From b68f2065cbebac669499aa00f08a762bacf21d82 Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Fri, 22 Dec 2023 21:25:30 +0530 Subject: [PATCH 01/17] Import3DModelFileAsync method Added To improve the loading model by checking the file extension detection. --- .../Blazor3D/Blazor3D/Viewers/Viewer.razor.cs | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs index 571b26b..008b51f 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs @@ -13,6 +13,7 @@ using Newtonsoft.Json.Linq; using HomagGroup.Blazor3D.Core; using HomagGroup.Blazor3D.Materials; +using HomagGroup.Blazor3D.Enums; namespace HomagGroup.Blazor3D.Viewers { @@ -239,6 +240,40 @@ public async Task Import3DModelAsync(ImportSettings settings) return settings.Uuid.Value; } + /// + /// Imports 3D model file to scene. + /// + /// URL of the 3D model file. + /// Material that will be applied to all loaded meshes. + /// URL of the texture file. + /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. + /// Guid of the loaded item + public async Task Import3DModelFileAsync(string fileUrl, MeshStandardMaterial? material = null, string? textureUrl = null, Guid? Uuid = null) + { + var settings = new ImportSettings() + { + FileURL = fileUrl, + Format = fileUrl.Split('.')[1].ToLower() switch + { + "stl" => Import3DFormats.Stl, + "obj" => Import3DFormats.Obj, + "gltf" => Import3DFormats.Gltf, + "glb" => Import3DFormats.Gltf, + "dae" => Import3DFormats.Collada, + "fbx" => Import3DFormats.Fbx, + _ => Import3DFormats.Obj + } + }; + + if (material is not null) settings.Material = material; + + if (textureUrl is not null) settings.TextureURL = textureUrl; + + if (Uuid is not null) settings.Uuid = Uuid; + + return Import3DModelAsync(settings); + } + /// /// Imports sprite to scene. /// From 1d3129bf5d016b86cc08dd8d004848c9dd266523 Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Fri, 22 Dec 2023 21:35:27 +0530 Subject: [PATCH 02/17] C# Language Version Updated to Latest 1) File scope Namespace applied to remove one level indentation. 2) Global using added --- .../Cameras/OrthographicCameraTests.cs | 19 +- .../Cameras/PerspectiveCameraTests.cs | 21 +- .../Helpers/ArrowHelperTests.cs | 21 +- .../Blazor3D.Tests/Helpers/AxesHelperTests.cs | 21 +- .../Blazor3D.Tests/Helpers/BoxHelperTests.cs | 21 +- .../Blazor3D.Tests/Helpers/GridHelperTests.cs | 21 +- .../Helpers/PlaneHelperTests.cs | 21 +- .../Helpers/PointLightHelperTests.cs | 21 +- .../Helpers/PolarGridHelperTests.cs | 21 +- .../Settings/AnimateRotationSettingsTests.cs | 21 +- .../Blazor3D/Blazor3D/Cameras/Camera.cs | 41 +- .../Blazor3D/Cameras/OrthographicCamera.cs | 119 ++- .../Blazor3D/Cameras/PerspectiveCamera.cs | 73 +- .../ComponentHelpers/ChildrenHelper.cs | 67 +- .../ComponentHelpers/SerializationHelper.cs | 22 +- .../Blazor3D/Controls/OrbitControls.cs | 67 +- .../Blazor3D/Blazor3D/Core/BufferGeometry.cs | 41 +- src/dotnet/Blazor3D/Blazor3D/Core/Object3D.cs | 114 ++- .../Blazor3D/Blazor3D/Enums/ImportModels.cs | 51 +- .../Blazor3D/Blazor3D/Enums/Lines/LineCap.cs | 15 +- .../Blazor3D/Blazor3D/Enums/Lines/LineJoin.cs | 15 +- .../Blazor3D/Blazor3D/Enums/WrappingType.cs | 35 +- .../Events/LoadedModuleEventHandler.cs | 15 +- .../Events/LoadedObjectEventHandler.cs | 15 +- .../Blazor3D/Blazor3D/Events/Object3DArgs.cs | 29 +- .../Events/SelectedObjectEventHandler.cs | 14 +- .../Blazor3D/Blazor3D/Extras/Core/Shape.cs | 108 ++- .../Blazor3D/Geometires/BoxGeometry.cs | 121 ++- .../Blazor3D/Geometires/CapsuleGeometry.cs | 79 +- .../Blazor3D/Geometires/CircleGeometry.cs | 89 ++- .../Blazor3D/Geometires/ConeGeometry.cs | 129 ++-- .../Geometires/Curves/SplineCurveGeometry.cs | 32 +- .../Blazor3D/Geometires/CylinderGeometry.cs | 141 ++-- .../Geometires/DodecahedronGeometry.cs | 55 +- .../Blazor3D/Geometires/ExtrudeGeometry.cs | 56 +- .../Geometires/ExtrudeGeometryOptions.cs | 27 +- .../Geometires/IcosahedronGeometry.cs | 55 +- .../Blazor3D/Geometires/Lines/LineGeometry.cs | 16 +- .../Blazor3D/Geometires/OctahedronGeometry.cs | 53 +- .../Blazor3D/Geometires/PlaneGeometry.cs | 77 +- .../Blazor3D/Geometires/RingGeometry.cs | 115 ++- .../Blazor3D/Geometires/ShapeGeometry.cs | 44 +- .../Blazor3D/Geometires/SphereGeometry.cs | 129 ++-- .../Geometires/TetrahedronGeometry.cs | 55 +- .../Geometires/Text/TextExtrudeGeometry.cs | 87 ++- .../Geometires/Text/TextShapeGeometry.cs | 49 +- .../Geometires/Text/TextStrokeGeometry.cs | 27 +- .../Blazor3D/Geometires/TorusGeometry.cs | 91 ++- .../Blazor3D/Geometires/TorusKnotGeometry.cs | 103 ++- src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs | 19 + .../Blazor3D/Blazor3D/Helpers/ArrowHelper.cs | 120 ++- .../Blazor3D/Blazor3D/Helpers/AxesHelper.cs | 49 +- .../Blazor3D/Blazor3D/Helpers/BoxHelper.cs | 45 +- .../Blazor3D/Blazor3D/Helpers/GridHelper.cs | 71 +- .../Blazor3D/Blazor3D/Helpers/PlaneHelper.cs | 72 +- .../Blazor3D/Helpers/PointLightHelper.cs | 71 +- .../Blazor3D/Helpers/PolarGridHelper.cs | 106 ++- .../Blazor3D/HomagGroup.Blazor3D.csproj | 52 +- .../Blazor3D/Blazor3D/Lights/AmbientLight.cs | 27 +- src/dotnet/Blazor3D/Blazor3D/Lights/Light.cs | 43 +- .../Blazor3D/Blazor3D/Lights/PointLight.cs | 49 +- .../Blazor3D/Materials/LineBasicMaterial.cs | 47 +- .../Blazor3D/Blazor3D/Materials/Material.cs | 107 ++- .../Materials/MeshStandardMaterial.cs | 77 +- .../Blazor3D/Materials/SpriteMaterial.cs | 42 +- src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs | 49 +- src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs | 57 +- src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs | 51 +- src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs | 73 +- src/dotnet/Blazor3D/Blazor3D/Objects/Group.cs | 23 +- src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs | 31 +- src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs | 61 +- .../Blazor3D/Blazor3D/Objects/Sprite.cs | 56 +- src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs | 11 +- src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs | 39 +- .../Settings/AnimateObject3DSettings.cs | 2 - .../Settings/AnimateRotationSettings.cs | 99 ++- .../Blazor3D/Settings/ImportSettings.cs | 61 +- .../Blazor3D/Settings/SpriteImportSettings.cs | 86 +-- .../Blazor3D/Settings/ViewerSettings.cs | 61 +- .../Settings/WebGLRendererSettings.cs | 35 +- .../Blazor3D/Blazor3D/Textures/Texture.cs | 108 ++- .../Blazor3D/Blazor3D/Viewers/Viewer.razor.cs | 686 +++++++++--------- .../Blazor3D/TestServer/Pages/Error.cshtml.cs | 25 +- .../Blazor3D/TestServer/Pages/_Host.cshtml | 2 +- .../Blazor3D/TestServer/Pages/_Layout.cshtml | 26 +- 86 files changed, 2567 insertions(+), 2751 deletions(-) create mode 100644 src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/OrthographicCameraTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/OrthographicCameraTests.cs index ac66317..fce53e3 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/OrthographicCameraTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/OrthographicCameraTests.cs @@ -1,13 +1,13 @@ using HomagGroup.Blazor3D.Cameras; -namespace HomagGroup.Blazor3D.Tests.Cameras +namespace HomagGroup.Blazor3D.Tests.Cameras; + +[TestClass] +public class OrthographicCameraTests { - [TestClass] - public class OrthographicCameraTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var camera = new OrthographicCamera(); Assert.AreEqual("OrthographicCamera", camera.Type); Assert.AreEqual(0.1, camera.Near); @@ -21,9 +21,9 @@ public void DefaultConstuctorShouldCreateWithPredefinedValues() Assert.IsNotNull(camera.LookAt); } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var camera = new OrthographicCamera(left: -2, right: 2, top: 2, bottom: -2, near: 0, far: 100, zoom: 0.5); Assert.AreEqual("OrthographicCamera", camera.Type); Assert.AreEqual(0, camera.Near); @@ -34,5 +34,4 @@ public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() Assert.AreEqual(-2, camera.Bottom); Assert.AreEqual(0.5, camera.Zoom); } - } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/PerspectiveCameraTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/PerspectiveCameraTests.cs index 232fe59..bd13864 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/PerspectiveCameraTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/PerspectiveCameraTests.cs @@ -1,13 +1,13 @@ using HomagGroup.Blazor3D.Cameras; -namespace HomagGroup.Blazor3D.Tests.Cameras +namespace HomagGroup.Blazor3D.Tests.Cameras; + +[TestClass] +public class PerspectiveCameraTests { - [TestClass] - public class PerspectiveCameraTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var camera = new PerspectiveCamera(); Assert.AreEqual("PerspectiveCamera", camera.Type); Assert.AreEqual(0.1, camera.Near); @@ -17,14 +17,13 @@ public void DefaultConstuctorShouldCreateWithPredefinedValues() Assert.IsNotNull(camera.LookAt); } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithPredefinedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithPredefinedValues() + { var camera = new PerspectiveCamera(fov:10, near:0.2, far:100); Assert.AreEqual("PerspectiveCamera", camera.Type); Assert.AreEqual(0.2, camera.Near); Assert.AreEqual(100, camera.Far); Assert.AreEqual(10, camera.Fov); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/ArrowHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/ArrowHelperTests.cs index 800c18a..f38cf4b 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/ArrowHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/ArrowHelperTests.cs @@ -1,14 +1,14 @@ using HomagGroup.Blazor3D.Helpers; using HomagGroup.Blazor3D.Maths; -namespace HomagGroup.Blazor3D.Tests.Helpers +namespace HomagGroup.Blazor3D.Tests.Helpers; + +[TestClass] +public class ArrowHelperTests { - [TestClass] - public class ArrowHelperTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var arrow = new ArrowHelper(); Assert.AreEqual("ArrowHelper", arrow.Type); Assert.AreEqual(0, arrow.Dir.X); @@ -23,9 +23,9 @@ public void DefaultConstuctorShouldCreateWithPredefinedValues() Assert.AreEqual(0.2*0.2, arrow.HeadWidth); } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var arrow = new ArrowHelper( dir: new Vector3(3, 3, 3), origin: new Vector3(3,3,3), @@ -45,5 +45,4 @@ public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() Assert.AreEqual(2, arrow.HeadLength); Assert.AreEqual(4, arrow.HeadWidth); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/AxesHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/AxesHelperTests.cs index 6486181..71a0b20 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/AxesHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/AxesHelperTests.cs @@ -1,24 +1,23 @@ using HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Tests.Helpers +namespace HomagGroup.Blazor3D.Tests.Helpers; + +[TestClass] +public class AxesHelperTests { - [TestClass] - public class AxesHelperTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var helper = new AxesHelper(); Assert.AreEqual("AxesHelper", helper.Type); Assert.AreEqual(1, helper.Size); } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var helper = new AxesHelper(5); Assert.AreEqual("AxesHelper", helper.Type); Assert.AreEqual(5, helper.Size); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/BoxHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/BoxHelperTests.cs index 5135436..11af3e2 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/BoxHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/BoxHelperTests.cs @@ -3,28 +3,27 @@ using System; using System.Collections.Generic; -namespace HomagGroup.Blazor3D.Tests.Helpers +namespace HomagGroup.Blazor3D.Tests.Helpers; + +[TestClass] +public class BoxHelperTests { - [TestClass] - public class BoxHelperTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var helper = new BoxHelper(); Assert.AreEqual("BoxHelper", helper.Type); Assert.IsNull(helper.Object3D); Assert.AreEqual("0xffff00", helper.Color); } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var mesh = new Mesh(); var helper = new BoxHelper(mesh, "red"); Assert.AreEqual("BoxHelper", helper.Type); Assert.IsNotNull(helper.Object3D); Assert.AreEqual("red", helper.Color); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/GridHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/GridHelperTests.cs index 9676792..af4fdc3 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/GridHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/GridHelperTests.cs @@ -1,13 +1,13 @@ using HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Tests.Helpers +namespace HomagGroup.Blazor3D.Tests.Helpers; + +[TestClass] +public class GridHelperTests { - [TestClass] - public class GridHelperTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var grid = new GridHelper(); Assert.AreEqual("GridHelper", grid.Type); Assert.AreEqual(10, grid.Size); @@ -17,9 +17,9 @@ public void DefaultConstuctorShouldCreateWithPredefinedValues() } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var grid = new GridHelper(6, 6, "red", "orange"); Assert.AreEqual("GridHelper", grid.Type); Assert.AreEqual(6, grid.Size); @@ -27,5 +27,4 @@ public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() Assert.AreEqual("red", grid.ColorCenterLine); Assert.AreEqual("orange", grid.ColorGrid); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PlaneHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PlaneHelperTests.cs index b3d799a..a77de24 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PlaneHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PlaneHelperTests.cs @@ -1,14 +1,14 @@ using HomagGroup.Blazor3D.Helpers; using HomagGroup.Blazor3D.Maths; -namespace HomagGroup.Blazor3D.Tests.Helpers +namespace HomagGroup.Blazor3D.Tests.Helpers; + +[TestClass] +public class PlaneHelperTests { - [TestClass] - public class PlaneHelperTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var plane = new PlaneHelper(); Assert.AreEqual("PlaneHelper", plane.Type); Assert.IsNotNull(plane.Plane); @@ -22,9 +22,9 @@ public void DefaultConstuctorShouldCreateWithPredefinedValues() } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var plane = new PlaneHelper(new Plane(new Vector3(1, 1, 1), 1)); Assert.AreEqual("PlaneHelper", plane.Type); Assert.IsNotNull(plane.Plane); @@ -36,5 +36,4 @@ public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() Assert.AreEqual(1, plane.Size); Assert.AreEqual("0xffff00", plane.Color); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PointLightHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PointLightHelperTests.cs index 6269cbb..2978a90 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PointLightHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PointLightHelperTests.cs @@ -1,14 +1,14 @@ using HomagGroup.Blazor3D.Helpers; using HomagGroup.Blazor3D.Lights; -namespace HomagGroup.Blazor3D.Tests.Helpers +namespace HomagGroup.Blazor3D.Tests.Helpers; + +[TestClass] +public class PointLightHelperTests { - [TestClass] - public class PointLightHelperTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var helper = new PointLightHelper(); Assert.AreEqual("PointLightHelper", helper.Type); Assert.IsNotNull(helper.Light); @@ -16,9 +16,9 @@ public void DefaultConstuctorShouldCreateWithPredefinedValues() Assert.AreEqual(1, helper.SphereSize); } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var light = new PointLight() { Color = "red" @@ -31,5 +31,4 @@ public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() Assert.AreEqual(2, helper.SphereSize); Assert.AreEqual("blue", helper.Color); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PolarGridHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PolarGridHelperTests.cs index eb7e3ea..35912f0 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PolarGridHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PolarGridHelperTests.cs @@ -1,13 +1,13 @@ using HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Tests.Helpers +namespace HomagGroup.Blazor3D.Tests.Helpers; + +[TestClass] +public class PolarGridHelperTests { - [TestClass] - public class PolarGridHelperTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var grid = new PolarGridHelper(); Assert.AreEqual("PolarGridHelper", grid.Type); Assert.AreEqual(10, grid.Radius); @@ -19,9 +19,9 @@ public void DefaultConstuctorShouldCreateWithPredefinedValues() } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var grid = new PolarGridHelper(2, 2, 6, 32, "red", "orange"); Assert.AreEqual("PolarGridHelper", grid.Type); Assert.AreEqual(2, grid.Radius); @@ -31,5 +31,4 @@ public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() Assert.AreEqual("red", grid.Color1); Assert.AreEqual("orange", grid.Color2); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Settings/AnimateRotationSettingsTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Settings/AnimateRotationSettingsTests.cs index 54aca24..883dc83 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Settings/AnimateRotationSettingsTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Settings/AnimateRotationSettingsTests.cs @@ -1,13 +1,13 @@ using HomagGroup.Blazor3D.Settings; -namespace HomagGroup.Blazor3D.Tests.Settings +namespace HomagGroup.Blazor3D.Tests.Settings; + +[TestClass] +public class AnimateRotationSettingsTests { - [TestClass] - public class AnimateRotationSettingsTests + [TestMethod] + public void DefaultConstuctorShouldCreateWithPredefinedValues() { - [TestMethod] - public void DefaultConstuctorShouldCreateWithPredefinedValues() - { var settings = new AnimateRotationSettings(); Assert.AreEqual(false, settings.AnimateRotation); @@ -18,9 +18,9 @@ public void DefaultConstuctorShouldCreateWithPredefinedValues() } - [TestMethod] - public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() - { + [TestMethod] + public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() + { var settings = new AnimateRotationSettings(true, 1, 1, 1, 1); Assert.AreEqual(true, settings.AnimateRotation); @@ -29,5 +29,4 @@ public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() Assert.AreEqual(1, settings.ThetaZ); Assert.AreEqual(1, settings.Radius); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Cameras/Camera.cs b/src/dotnet/Blazor3D/Blazor3D/Cameras/Camera.cs index a687814..86a56ed 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Cameras/Camera.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Cameras/Camera.cs @@ -1,28 +1,23 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Maths; -using HomagGroup.Blazor3D.Settings; +namespace HomagGroup.Blazor3D.Cameras; -namespace HomagGroup.Blazor3D.Cameras +/// +/// Abstract base class for cameras. +/// Wrapper for three.js Camera +/// +/// +public abstract class Camera : Object3D { - /// - /// Abstract base class for cameras. - /// Wrapper for three.js Camera - /// - /// - public abstract class Camera : Object3D + protected Camera(string type = "Camera") : base(type) { - protected Camera(string type = "Camera") : base(type) - { - } + } - /// - /// Settings used for camera's animated rotations. - /// - public AnimateRotationSettings AnimateRotationSettings { get; set; } = new AnimateRotationSettings(); + /// + /// Settings used for camera's animated rotations. + /// + public AnimateRotationSettings AnimateRotationSettings { get; set; } = new AnimateRotationSettings(); - /// - /// The point camera looks at. - /// - public Vector3 LookAt { get; set; } = new Vector3(); - } -} + /// + /// The point camera looks at. + /// + public Vector3 LookAt { get; set; } = new Vector3(); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Cameras/OrthographicCamera.cs b/src/dotnet/Blazor3D/Blazor3D/Cameras/OrthographicCamera.cs index efcd68e..d78fcde 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Cameras/OrthographicCamera.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Cameras/OrthographicCamera.cs @@ -1,71 +1,70 @@ -namespace HomagGroup.Blazor3D.Cameras +namespace HomagGroup.Blazor3D.Cameras; + +/// +/// Camera that uses orthographic projection. +/// In this projection mode, an object's size in the rendered image stays constant regardless of its distance from the camera. +/// This can be useful for rendering 2D scenes and UI elements, amongst other things. +/// +public sealed class OrthographicCamera : Camera { - /// - /// Camera that uses orthographic projection. - /// In this projection mode, an object's size in the rendered image stays constant regardless of its distance from the camera. - /// This can be useful for rendering 2D scenes and UI elements, amongst other things. - /// - public sealed class OrthographicCamera : Camera + public OrthographicCamera() : base("OrthographicCamera") { - public OrthographicCamera() : base("OrthographicCamera") - { - } + } - /// - /// Constructor with parameters. - /// - /// Camera frustum left plane. Default is -1. - /// Camera frustum right plane. Default is 1. - /// Camera frustum top plane. Default is 1. - /// Camera frustum bottom plane. Default is -1. - /// Camera frustum near plane distance. Default is 0.1. - /// Camera frustum far plane distance. Default is 1000. - /// Zoom factor of the camera. Default is 1. - public OrthographicCamera(double left = -1, double right = 1, double top = 1, double bottom = -1, double near = 0.1, double far = 2000, double zoom = 1) : this() - { - Left = left; - Right = right; - Top = top; - Bottom = bottom; - Near = near; - Far = far; - Zoom = zoom; - } + /// + /// Constructor with parameters. + /// + /// Camera frustum left plane. Default is -1. + /// Camera frustum right plane. Default is 1. + /// Camera frustum top plane. Default is 1. + /// Camera frustum bottom plane. Default is -1. + /// Camera frustum near plane distance. Default is 0.1. + /// Camera frustum far plane distance. Default is 1000. + /// Zoom factor of the camera. Default is 1. + public OrthographicCamera(double left = -1, double right = 1, double top = 1, double bottom = -1, double near = 0.1, double far = 2000, double zoom = 1) : this() + { + Left = left; + Right = right; + Top = top; + Bottom = bottom; + Near = near; + Far = far; + Zoom = zoom; + } - /// - /// Camera frustum left plane. Default is -1. - /// - public double Left { get; set; } = -1; + /// + /// Camera frustum left plane. Default is -1. + /// + public double Left { get; set; } = -1; - /// - /// Camera frustum right plane. Default is 1. - /// - public double Right { get; set; } = 1; + /// + /// Camera frustum right plane. Default is 1. + /// + public double Right { get; set; } = 1; - /// - /// Camera frustum top plane. Default is 1. - /// - public double Top { get; set; } = 1; + /// + /// Camera frustum top plane. Default is 1. + /// + public double Top { get; set; } = 1; - /// - /// Camera frustum bottom plane. Default is -1. - /// - public double Bottom { get; set; } = -1; + /// + /// Camera frustum bottom plane. Default is -1. + /// + public double Bottom { get; set; } = -1; - /// - /// Camera frustum near plane distance. Default is 0.1. - /// - public double Near { get; set; } = 0.1; + /// + /// Camera frustum near plane distance. Default is 0.1. + /// + public double Near { get; set; } = 0.1; - /// - /// Camera frustum far plane distance. Default is 2000. - /// - public double Far { get; set; } = 2000; + /// + /// Camera frustum far plane distance. Default is 2000. + /// + public double Far { get; set; } = 2000; - /// - /// Zoom factor of the camera. Default is 1. - /// - public double Zoom { get; set; } = 1; - } -} + /// + /// Zoom factor of the camera. Default is 1. + /// + public double Zoom { get; set; } = 1; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Cameras/PerspectiveCamera.cs b/src/dotnet/Blazor3D/Blazor3D/Cameras/PerspectiveCamera.cs index ed85196..54b6b89 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Cameras/PerspectiveCamera.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Cameras/PerspectiveCamera.cs @@ -1,44 +1,43 @@ -namespace HomagGroup.Blazor3D.Cameras +namespace HomagGroup.Blazor3D.Cameras; + +/// +/// Camera that uses perspective projection. +/// This projection mode is designed to mimic the way the human eyes see. +/// It is the most common projection mode used for rendering a 3D scene. +/// Wrapper for three.js PerspectiveCamera +/// +/// +public sealed class PerspectiveCamera : Camera { + public PerspectiveCamera() : base("PerspectiveCamera") + { + } + /// - /// Camera that uses perspective projection. - /// This projection mode is designed to mimic the way the human eyes see. - /// It is the most common projection mode used for rendering a 3D scene. - /// Wrapper for three.js PerspectiveCamera + /// Constructor with parameters. /// - /// - public sealed class PerspectiveCamera : Camera + /// Camera frustum vertical field of view. Default is 75. + /// Camera frustum near plane distance. Default is 0.1. + /// Camera frustum far plane distance. Default is 1000. + public PerspectiveCamera(double fov, double near, double far) : this() { - public PerspectiveCamera() : base("PerspectiveCamera") - { - } - - /// - /// Constructor with parameters. - /// - /// Camera frustum vertical field of view. Default is 75. - /// Camera frustum near plane distance. Default is 0.1. - /// Camera frustum far plane distance. Default is 1000. - public PerspectiveCamera(double fov, double near, double far) : this() - { - Fov = fov; - Near = near; - Far = far; - } + Fov = fov; + Near = near; + Far = far; + } - /// - /// Camera frustum vertical field of view. Default is 75. - /// - public double Fov { get; set; } = 75; + /// + /// Camera frustum vertical field of view. Default is 75. + /// + public double Fov { get; set; } = 75; - /// - /// Camera frustum near plane distance. Default is 0.1. - /// - public double Near { get; set; } = 0.1; + /// + /// Camera frustum near plane distance. Default is 0.1. + /// + public double Near { get; set; } = 0.1; - /// - /// Camera frustum far plane distance. Default is 1000. - /// - public double Far { get; set; } = 1000; - } -} + /// + /// Camera frustum far plane distance. Default is 1000. + /// + public double Far { get; set; } = 1000; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/ChildrenHelper.cs b/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/ChildrenHelper.cs index c974b50..bb7fbb2 100644 --- a/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/ChildrenHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/ChildrenHelper.cs @@ -1,51 +1,48 @@  -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.ComponentHelpers; -namespace HomagGroup.Blazor3D.ComponentHelpers +internal static class ChildrenHelper { - internal static class ChildrenHelper + internal static void RemoveObjectByUuid(Guid uuid, List children) { - internal static void RemoveObjectByUuid(Guid uuid, List children) + Object3D? result = null; + foreach (var child in children) { - Object3D? result = null; - foreach (var child in children) + if (child.Uuid == uuid) { - if (child.Uuid == uuid) - { - result = child; - break; - } - - if (child.Children.Count > 0) - { - RemoveObjectByUuid(uuid, child.Children); - }; + result = child; + break; } - if (result != null) - children.Remove(result); + if (child.Children.Count > 0) + { + RemoveObjectByUuid(uuid, child.Children); + }; } - internal static Object3D? GetObjectByUuid(Guid uuid, List children) + if (result != null) + children.Remove(result); + } + + internal static Object3D? GetObjectByUuid(Guid uuid, List children) + { + Object3D? result = null; + foreach (var child in children) { - Object3D? result = null; - foreach (var child in children) + if (child.Uuid == uuid) { - if (child.Uuid == uuid) - { - return child; - } + return child; + } - if (child.Children.Count > 0) + if (child.Children.Count > 0) + { + result = GetObjectByUuid(uuid, child.Children); + if (result != null) { - result = GetObjectByUuid(uuid, child.Children); - if (result != null) - { - return result; - } - }; - } - return result; + return result; + } + }; } + return result; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/SerializationHelper.cs b/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/SerializationHelper.cs index 27ec6b5..4214d8a 100644 --- a/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/SerializationHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/SerializationHelper.cs @@ -1,17 +1,15 @@ -using Newtonsoft.Json; -using Newtonsoft.Json.Serialization; +using Newtonsoft.Json.Serialization; -namespace HomagGroup.Blazor3D.ComponentHelpers +namespace HomagGroup.Blazor3D.ComponentHelpers; + +internal static class SerializationHelper { - internal static class SerializationHelper + internal static JsonSerializerSettings GetSerializerSettings() { - internal static JsonSerializerSettings GetSerializerSettings() + return new JsonSerializerSettings() { - return new JsonSerializerSettings() - { - ContractResolver = new CamelCasePropertyNamesContractResolver(), - ReferenceLoopHandling = ReferenceLoopHandling.Ignore, - }; - } + ContractResolver = new CamelCasePropertyNamesContractResolver(), + ReferenceLoopHandling = ReferenceLoopHandling.Ignore, + }; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Controls/OrbitControls.cs b/src/dotnet/Blazor3D/Blazor3D/Controls/OrbitControls.cs index ca6cd68..c892bc5 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Controls/OrbitControls.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Controls/OrbitControls.cs @@ -1,43 +1,40 @@ -using HomagGroup.Blazor3D.Maths; +namespace HomagGroup.Blazor3D.Controls; -namespace HomagGroup.Blazor3D.Controls +/// +/// Orbit controls. +/// +public sealed class OrbitControls { /// - /// Orbit controls. + /// If true, then enabled. Otherwise, disabled. Default is true. /// - public sealed class OrbitControls - { - /// - /// If true, then enabled. Otherwise, disabled. Default is true. - /// - public bool Enabled { get; set; } = true; - /// - /// Minimal distance. Default is 0. - /// - public double MinDistance { get; set; } = 0; - /// - /// Maximal distance to zoom. Default is 10000; - /// - public double MaxDistance { get; set; } = 10000; + public bool Enabled { get; set; } = true; + /// + /// Minimal distance. Default is 0. + /// + public double MinDistance { get; set; } = 0; + /// + /// Maximal distance to zoom. Default is 10000; + /// + public double MaxDistance { get; set; } = 10000; - /// - /// The point where the camera is looking at. Default is (0,0,0). - /// - public Vector3 TargetPosition { get; set; } = new Vector3(); + /// + /// The point where the camera is looking at. Default is (0,0,0). + /// + public Vector3 TargetPosition { get; set; } = new Vector3(); - /// - /// If true, then panning enabled. Otherwise, panning disabled. Default is true - /// - public bool EnablePan { get; set; } = true; + /// + /// If true, then panning enabled. Otherwise, panning disabled. Default is true + /// + public bool EnablePan { get; set; } = true; - /// - /// If true, than damping enabled. Otherwise, damping disabled. Default is true - /// - public bool EnableDamping { get; set; } = false; + /// + /// If true, than damping enabled. Otherwise, damping disabled. Default is true + /// + public bool EnableDamping { get; set; } = false; - /// - /// Damping factor. Default is 0.05 - /// - public double DampingFactor = 0.05; - } -} + /// + /// Damping factor. Default is 0.05 + /// + public double DampingFactor = 0.05; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Core/BufferGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Core/BufferGeometry.cs index 0eb4f64..2d32e16 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Core/BufferGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Core/BufferGeometry.cs @@ -1,28 +1,27 @@ -namespace HomagGroup.Blazor3D.Core +namespace HomagGroup.Blazor3D.Core; + +/// +/// A representation of geometry for mesh, line, or point. +/// Includes vertex positions, face indices, normals, colors, UVs, and custom attributes within buffers, +/// reducing the cost of passing all this data to the GPU. +/// Wrapper for three.js BufferGeometry +/// +public abstract class BufferGeometry { - /// - /// A representation of geometry for mesh, line, or point. - /// Includes vertex positions, face indices, normals, colors, UVs, and custom attributes within buffers, - /// reducing the cost of passing all this data to the GPU. - /// Wrapper for three.js BufferGeometry - /// - public abstract class BufferGeometry + protected BufferGeometry(string type) { - protected BufferGeometry(string type) - { Type = type; } - /// - /// Optional name of the object. Default is an empty string. It has not to be unique. - /// - public string Name { get; set; } = null!; + /// + /// Optional name of the object. Default is an empty string. It has not to be unique. + /// + public string Name { get; set; } = null!; - /// - /// Universal unique identifier of this object instance. It's automatically assigned Guid, so it shouldn't be edited. - /// - public Guid Uuid { get; set; } = Guid.NewGuid(); + /// + /// Universal unique identifier of this object instance. It's automatically assigned Guid, so it shouldn't be edited. + /// + public Guid Uuid { get; set; } = Guid.NewGuid(); - public string Type { get; } = "Geometry"; - } -} + public string Type { get; } = "Geometry"; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Core/Object3D.cs b/src/dotnet/Blazor3D/Blazor3D/Core/Object3D.cs index 877ce22..8c6d284 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Core/Object3D.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Core/Object3D.cs @@ -1,73 +1,69 @@ -using HomagGroup.Blazor3D.Maths; -using HomagGroup.Blazor3D.Settings; +namespace HomagGroup.Blazor3D.Core; -namespace HomagGroup.Blazor3D.Core +/// +/// It's a base abstract class for most objects in HomagGroup.Blazor3D. +/// It provides functionality for manipulating objects in 3D space. +///Wrapper for three.js Object3D +/// +public abstract class Object3D { - /// - /// It's a base abstract class for most objects in HomagGroup.Blazor3D. - /// It provides functionality for manipulating objects in 3D space. - ///Wrapper for three.js Object3D - /// - public abstract class Object3D + protected Object3D(string type) { - protected Object3D(string type) - { - Type = type; - } + Type = type; + } - /// - /// Represents the object's local position. Default is (0, 0, 0). - /// - public Vector3 Position { get; set; } = new Vector3(); + /// + /// Represents the object's local position. Default is (0, 0, 0). + /// + public Vector3 Position { get; set; } = new Vector3(); - /// - /// Object's local rotation, in radians. - /// - public Euler Rotation { get; set; } = new Euler(); + /// + /// Object's local rotation, in radians. + /// + public Euler Rotation { get; set; } = new Euler(); - /// - /// Represents the object's local scale. Default is (1, 1, 1). - /// - public Vector3 Scale { get; set; } = new Vector3(1, 1, 1); + /// + /// Represents the object's local scale. Default is (1, 1, 1). + /// + public Vector3 Scale { get; set; } = new Vector3(1, 1, 1); - public string Type { get; } = "Object3D"; + public string Type { get; } = "Object3D"; - /// - /// Optional name of the object. Default is an empty string. It has not to be unique. - /// - public string Name { get; set; } = string.Empty; + /// + /// Optional name of the object. Default is an empty string. It has not to be unique. + /// + public string Name { get; set; } = string.Empty; - /// - /// Universal unique identifier of this object instance. It's automatically assigned Guid, so it shouldn't be edited. - /// - public Guid Uuid { get; set; } = Guid.NewGuid(); + /// + /// Universal unique identifier of this object instance. It's automatically assigned Guid, so it shouldn't be edited. + /// + public Guid Uuid { get; set; } = Guid.NewGuid(); - /// - /// Collection of child objects. - /// - public List Children { get; set; } = new List(); + /// + /// Collection of child objects. + /// + public List Children { get; set; } = new List(); - /// - /// Settings to create movement animations on the object - /// - public AnimateObject3DSettings AnimateObject3DSettings { get; set; } + /// + /// Settings to create movement animations on the object + /// + public AnimateObject3DSettings AnimateObject3DSettings { get; set; } - /// - /// Adds a child object to the Children collection. - /// - /// Child to be added. - public void Add(Object3D child) - { - Children.Add(child); - } + /// + /// Adds a child object to the Children collection. + /// + /// Child to be added. + public void Add(Object3D child) + { + Children.Add(child); + } - /// - /// Adds the elements of the specified collection to the end of Children list. - /// - /// Collection of children objects. - public void AddRange(IEnumerable elements) - { - Children.AddRange(elements); - } + /// + /// Adds the elements of the specified collection to the end of Children list. + /// + /// Collection of children objects. + public void AddRange(IEnumerable elements) + { + Children.AddRange(elements); } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs b/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs index cad8ff5..9559d3e 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs @@ -1,31 +1,28 @@ -using HomagGroup.Blazor3D.Scenes; +namespace HomagGroup.Blazor3D.Enums; -namespace HomagGroup.Blazor3D.Enums +/// +/// 3D model formats, which can be used for importing to or exporting from . +/// +public enum Import3DFormats { /// - /// 3D model formats, which can be used for importing to or exporting from . + ///Wavefront Object format. /// - public enum Import3DFormats - { - /// - ///Wavefront Object format. - /// - Obj, - /// - /// Collada format. - /// - Collada, - /// - /// Autodesk FBX format. - /// - Fbx, - /// - /// glTF format. - /// - Gltf, - /// - /// Stl format. - /// - Stl - } -} + Obj, + /// + /// Collada format. + /// + Collada, + /// + /// Autodesk FBX format. + /// + Fbx, + /// + /// glTF format. + /// + Gltf, + /// + /// Stl format. + /// + Stl +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Enums/Lines/LineCap.cs b/src/dotnet/Blazor3D/Blazor3D/Enums/Lines/LineCap.cs index 2ce0385..91a8783 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Enums/Lines/LineCap.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Enums/Lines/LineCap.cs @@ -1,9 +1,8 @@ -namespace HomagGroup.Blazor3D.Enums.Lines +namespace HomagGroup.Blazor3D.Enums.Lines; + +public enum LineCap { - public enum LineCap - { - Round, - Butt, - Square - } -} + Round, + Butt, + Square +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Enums/Lines/LineJoin.cs b/src/dotnet/Blazor3D/Blazor3D/Enums/Lines/LineJoin.cs index 016516c..12fc30d 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Enums/Lines/LineJoin.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Enums/Lines/LineJoin.cs @@ -1,9 +1,8 @@ -namespace HomagGroup.Blazor3D.Enums.Lines +namespace HomagGroup.Blazor3D.Enums.Lines; + +public enum LineJoin { - public enum LineJoin - { - Round, - Bevel, - Miter - } -} + Round, + Bevel, + Miter +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Enums/WrappingType.cs b/src/dotnet/Blazor3D/Blazor3D/Enums/WrappingType.cs index ee61570..0627a9f 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Enums/WrappingType.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Enums/WrappingType.cs @@ -1,21 +1,20 @@ -namespace HomagGroup.Blazor3D.Enums +namespace HomagGroup.Blazor3D.Enums; + +/// +/// These define the texture's WrapS and WrapT properties, which define horizontal and vertical texture wrapping. +/// +public enum WrappingType { /// - /// These define the texture's WrapS and WrapT properties, which define horizontal and vertical texture wrapping. + /// The texture will simply repeat to infinity /// - public enum WrappingType - { - /// - /// The texture will simply repeat to infinity - /// - RepeatWrapping = 1000, - /// - /// The last pixel of the texture stretches to the edge of the mesh. - /// - ClampToEdgeWrapping = 1001, - /// - /// The texture will repeats to infinity, mirroring on each repeat. - /// - MirroredRepeatWrapping = 1002 - } -} + RepeatWrapping = 1000, + /// + /// The last pixel of the texture stretches to the edge of the mesh. + /// + ClampToEdgeWrapping = 1001, + /// + /// The texture will repeats to infinity, mirroring on each repeat. + /// + MirroredRepeatWrapping = 1002 +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Events/LoadedModuleEventHandler.cs b/src/dotnet/Blazor3D/Blazor3D/Events/LoadedModuleEventHandler.cs index c7778bf..a3a3d5e 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Events/LoadedModuleEventHandler.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Events/LoadedModuleEventHandler.cs @@ -1,8 +1,7 @@ -namespace HomagGroup.Blazor3D.Events -{ - /// - /// Delegate that handles JsModuleLoaded event. - /// - /// Task - public delegate Task LoadedModuleEventHandler(); -} +namespace HomagGroup.Blazor3D.Events; + +/// +/// Delegate that handles JsModuleLoaded event. +/// +/// Task +public delegate Task LoadedModuleEventHandler(); \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Events/LoadedObjectEventHandler.cs b/src/dotnet/Blazor3D/Blazor3D/Events/LoadedObjectEventHandler.cs index a8b2bd1..c111ae3 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Events/LoadedObjectEventHandler.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Events/LoadedObjectEventHandler.cs @@ -1,8 +1,7 @@ -namespace HomagGroup.Blazor3D.Events -{ - /// - /// Delegate that handles ObjectLoaded event. - /// - /// arguments for ObjectLoaded event handler. - public delegate Task LoadedObjectEventHandler(Object3DArgs e); -} +namespace HomagGroup.Blazor3D.Events; + +/// +/// Delegate that handles ObjectLoaded event. +/// +/// arguments for ObjectLoaded event handler. +public delegate Task LoadedObjectEventHandler(Object3DArgs e); \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Events/Object3DArgs.cs b/src/dotnet/Blazor3D/Blazor3D/Events/Object3DArgs.cs index e71b143..cdf421c 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Events/Object3DArgs.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Events/Object3DArgs.cs @@ -1,20 +1,19 @@ -namespace HomagGroup.Blazor3D.Events +namespace HomagGroup.Blazor3D.Events; + +internal class Object3DStaticArgs { - internal class Object3DStaticArgs - { - public string ContainerId { get; set; } = null!; + public string ContainerId { get; set; } = null!; - public Guid UUID { get; set; } - } + public Guid UUID { get; set; } +} +/// +/// Arguments for ObjectSelected and ObjectLoaded event handlers. +/// +public class Object3DArgs +{ /// - /// Arguments for ObjectSelected and ObjectLoaded event handlers. + /// Selected or Loaded object unique identifier. /// - public class Object3DArgs - { - /// - /// Selected or Loaded object unique identifier. - /// - public Guid UUID { get; set; } - } -} + public Guid UUID { get; set; } +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Events/SelectedObjectEventHandler.cs b/src/dotnet/Blazor3D/Blazor3D/Events/SelectedObjectEventHandler.cs index 1326be7..36d58b3 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Events/SelectedObjectEventHandler.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Events/SelectedObjectEventHandler.cs @@ -1,9 +1,7 @@ -namespace HomagGroup.Blazor3D.Events -{ - /// - /// Delegate that handles ObjectSelected event. - /// - /// arguments for ObjectSelected event handler. - public delegate void SelectedObjectEventHandler(Object3DArgs e); +namespace HomagGroup.Blazor3D.Events; -} +/// +/// Delegate that handles ObjectSelected event. +/// +/// arguments for ObjectSelected event handler. +public delegate void SelectedObjectEventHandler(Object3DArgs e); \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Extras/Core/Shape.cs b/src/dotnet/Blazor3D/Blazor3D/Extras/Core/Shape.cs index 00d950a..6a5e3aa 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Extras/Core/Shape.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Extras/Core/Shape.cs @@ -1,70 +1,68 @@ using HomagGroup.Blazor3D.Geometires; -using HomagGroup.Blazor3D.Maths; -namespace HomagGroup.Blazor3D.Extras.Core +namespace HomagGroup.Blazor3D.Extras.Core; + +/// +/// Defines an arbitrary 2d shape plane using paths with optional holes). +/// It can be used with , , to get points, or to get triangulated faces. +/// +public class Shape { /// - /// Defines an arbitrary 2d shape plane using paths with optional holes). - /// It can be used with , , to get points, or to get triangulated faces. + /// Universal unique identifier /// - public class Shape - { - /// - /// Universal unique identifier - /// - public Guid Uuid { get; set; } = Guid.NewGuid(); + public Guid Uuid { get; set; } = Guid.NewGuid(); - /// - /// Array of representing the shape verticies. - /// - public List Points { get; set; } = new List(); + /// + /// Array of representing the shape verticies. + /// + public List Points { get; set; } = new List(); - /// - /// Moves the current point to the specified point. Can be used for the first element of the Points collection. - /// - /// point. - /// MoveTo() can be used only to define first shape point - public void MoveTo(Vector2 point) + /// + /// Moves the current point to the specified point. Can be used for the first element of the Points collection. + /// + /// point. + /// MoveTo() can be used only to define first shape point + public void MoveTo(Vector2 point) + { + if (Points.Count > 0) { - if (Points.Count > 0) - { - throw new OverflowException("MoveTo() can be used only to define first shape point"); - } - Points.Add(point); + throw new OverflowException("MoveTo() can be used only to define first shape point"); } + Points.Add(point); + } - /// - /// Moves the current point to the specified point. - /// - /// X coordinate of the specified point. - /// Y coordinate of the specified point. - public void MoveTo(double x, double y) - { - MoveTo(new Vector2(x, y)); - } + /// + /// Moves the current point to the specified point. + /// + /// X coordinate of the specified point. + /// Y coordinate of the specified point. + public void MoveTo(double x, double y) + { + MoveTo(new Vector2(x, y)); + } - /// - /// Adds the vertice to the shape path. - /// - /// point. - /// LineTo() cannot be used to define first shape point - public void LineTo(Vector2 point) + /// + /// Adds the vertice to the shape path. + /// + /// point. + /// LineTo() cannot be used to define first shape point + public void LineTo(Vector2 point) + { + if (Points.Count == 0) { - if (Points.Count == 0) - { - throw new OverflowException("LineTo() cannot be used to define first shape point"); - } - Points.Add(point); + throw new OverflowException("LineTo() cannot be used to define first shape point"); } + Points.Add(point); + } - /// - /// Adds the vertice to the shape path. - /// - /// X coordinate of the specified vertice. - /// Y coordinate of the specified vertice. - public void LineTo(double x, double y) - { - LineTo(new Vector2(x, y)); - } + /// + /// Adds the vertice to the shape path. + /// + /// X coordinate of the specified vertice. + /// Y coordinate of the specified vertice. + public void LineTo(double x, double y) + { + LineTo(new Vector2(x, y)); } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/BoxGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/BoxGeometry.cs index 30189b5..6a73bbb 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/BoxGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/BoxGeometry.cs @@ -1,73 +1,70 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// Class for rectangular cuboid with a given 'width', 'height', and 'depth'. +/// This class inherits from +/// Wrapper for three.js BoxGeometry +/// +/// +public sealed class BoxGeometry : BufferGeometry { - /// - /// Class for rectangular cuboid with a given 'width', 'height', and 'depth'. - /// This class inherits from - /// Wrapper for three.js BoxGeometry - /// - /// - public sealed class BoxGeometry : BufferGeometry + public BoxGeometry() : base("BoxGeometry") { - public BoxGeometry() : base("BoxGeometry") - { - } + } - /// - /// Constructor with parameters - /// - /// The length of the edges parallel to the X axis. Default is 1. - /// The length of the edges parallel to the Y axis. Default is 1. - /// The length of the edges parallel to the Z axis. Default is 1. - /// Number of segmented rectangular faces along the width of the sides. Default is 1. - /// Number of segmented rectangular faces along the height of the sides. Default is 1. - /// Number of segmented rectangular faces along the depth of the sides. Default is 1. - public BoxGeometry( - double width = 1, - double height = 1, - double depth = 1, - int widthSegments = 1, - int heightSegments = 1, - int depthSegments = 1):this() - { - Width = width; - Height = height; - Depth = depth; - WidthSegments = widthSegments; - HeightSegments = heightSegments; - DepthSegments = depthSegments; - } + /// + /// Constructor with parameters + /// + /// The length of the edges parallel to the X axis. Default is 1. + /// The length of the edges parallel to the Y axis. Default is 1. + /// The length of the edges parallel to the Z axis. Default is 1. + /// Number of segmented rectangular faces along the width of the sides. Default is 1. + /// Number of segmented rectangular faces along the height of the sides. Default is 1. + /// Number of segmented rectangular faces along the depth of the sides. Default is 1. + public BoxGeometry( + double width = 1, + double height = 1, + double depth = 1, + int widthSegments = 1, + int heightSegments = 1, + int depthSegments = 1):this() + { + Width = width; + Height = height; + Depth = depth; + WidthSegments = widthSegments; + HeightSegments = heightSegments; + DepthSegments = depthSegments; + } - /// - /// The length of the edges parallel to the X axis. Default is 1. - /// - public double Width { get; set; } = 1; + /// + /// The length of the edges parallel to the X axis. Default is 1. + /// + public double Width { get; set; } = 1; - /// - /// The length of the edges parallel to the Y axis. Default is 1. - /// - public double Height { get; set; } = 1; + /// + /// The length of the edges parallel to the Y axis. Default is 1. + /// + public double Height { get; set; } = 1; - /// - /// The length of the edges parallel to the Z axis. Default is 1. - /// - public double Depth { get; set; } = 1; + /// + /// The length of the edges parallel to the Z axis. Default is 1. + /// + public double Depth { get; set; } = 1; - /// - /// Number of segmented rectangular faces along the width of the sides. Default is 1. - /// - public int WidthSegments { get; set; } = 1; + /// + /// Number of segmented rectangular faces along the width of the sides. Default is 1. + /// + public int WidthSegments { get; set; } = 1; - /// - /// Number of segmented rectangular faces along the height of the sides. Default is 1. - /// - public int HeightSegments { get; set; } = 1; + /// + /// Number of segmented rectangular faces along the height of the sides. Default is 1. + /// + public int HeightSegments { get; set; } = 1; - /// - /// Number of segmented rectangular faces along the depth of the sides. Default is 1. - /// - public int DepthSegments { get; set; } = 1; - } -} + /// + /// Number of segmented rectangular faces along the depth of the sides. Default is 1. + /// + public int DepthSegments { get; set; } = 1; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/CapsuleGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/CapsuleGeometry.cs index 2fa764c..1594e9b 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/CapsuleGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/CapsuleGeometry.cs @@ -1,50 +1,47 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// Class for a capsule with given radus and height. It is constructed using a lathe. +/// Wrapper for three.js CapsuleGeometry +/// +public sealed class CapsuleGeometry : BufferGeometry { + public CapsuleGeometry() : base("CapsuleGeometry") + { + } + /// - /// Class for a capsule with given radus and height. It is constructed using a lathe. - /// Wrapper for three.js CapsuleGeometry + /// Constructor with parameters /// - public sealed class CapsuleGeometry : BufferGeometry + /// Radius of the capsule. Default is 1. + /// Length of the middle section. Default is 1. + /// Number of curve segments used to build the caps. Default is 4. + /// Number of segmented faces around the circumference of the capsule. Default is 8. + public CapsuleGeometry(double radius = 1, double length = 1, int capSegments = 4, int radialSegments = 8) : this() { - public CapsuleGeometry() : base("CapsuleGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Radius of the capsule. Default is 1. - /// Length of the middle section. Default is 1. - /// Number of curve segments used to build the caps. Default is 4. - /// Number of segmented faces around the circumference of the capsule. Default is 8. - public CapsuleGeometry(double radius = 1, double length = 1, int capSegments = 4, int radialSegments = 8) : this() - { - Radius = radius; - Length = length; - CapSegments = capSegments; - RadialSegments = radialSegments; - } + Radius = radius; + Length = length; + CapSegments = capSegments; + RadialSegments = radialSegments; + } - /// - /// Radius of the capsule. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the capsule. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Length of the middle section. Default is 1. - /// - public double Length { get; set; } = 1; + /// + /// Length of the middle section. Default is 1. + /// + public double Length { get; set; } = 1; - /// - /// Number of curve segments used to build the caps. Default is 4. - /// - public int CapSegments { get; set; } = 4; + /// + /// Number of curve segments used to build the caps. Default is 4. + /// + public int CapSegments { get; set; } = 4; - /// - /// Number of segmented faces around the circumference of the capsule. Default is 8. - /// - public int RadialSegments { get; set; } = 8; - } -} + /// + /// Number of segmented faces around the circumference of the capsule. Default is 8. + /// + public int RadialSegments { get; set; } = 8; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/CircleGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/CircleGeometry.cs index 4d6c00c..fb75b7f 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/CircleGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/CircleGeometry.cs @@ -1,56 +1,53 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// Class for a simple shape of Euclidean geometry. +/// It is constructed from a number of triangular segments that are oriented around a central point and extend as far out as a given radius. +/// It is built counter-clockwise from a start angle and a given central angle. +/// It can also be used to create regular polygons, where the number of segments determines the number of sides. +/// This class inherits from +/// Wrapper for three.js CircleGeometry +/// +/// +public sealed class CircleGeometry : BufferGeometry { + public CircleGeometry() : base("CircleGeometry") + { + } + /// - /// Class for a simple shape of Euclidean geometry. - /// It is constructed from a number of triangular segments that are oriented around a central point and extend as far out as a given radius. - /// It is built counter-clockwise from a start angle and a given central angle. - /// It can also be used to create regular polygons, where the number of segments determines the number of sides. - /// This class inherits from - /// Wrapper for three.js CircleGeometry + /// Constructor with parameters /// - /// - public sealed class CircleGeometry : BufferGeometry + /// Radius of the circle. Default is 1. + /// Number of segments (triangles). Minimum = 3, default = 8. + /// Start angle for first segment. Default is 0 (three o'clock position). + /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. + public CircleGeometry(double radius = 1, int segments = 8, double thetaStart = 0, double thetaLength = (double)(2 * System.Math.PI)) : this() { - public CircleGeometry() : base("CircleGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Radius of the circle. Default is 1. - /// Number of segments (triangles). Minimum = 3, default = 8. - /// Start angle for first segment. Default is 0 (three o'clock position). - /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - public CircleGeometry(double radius = 1, int segments = 8, double thetaStart = 0, double thetaLength = (double)(2 * System.Math.PI)) : this() - { - Radius = radius; - Segments = segments; - ThetaStart = thetaStart; - ThetaLength = thetaLength; - } + Radius = radius; + Segments = segments; + ThetaStart = thetaStart; + ThetaLength = thetaLength; + } - /// - /// Radius of the circle. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the circle. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Number of segments (triangles). Minimum = 3, default = 8. - /// - public int Segments { get; set; } = 8; + /// + /// Number of segments (triangles). Minimum = 3, default = 8. + /// + public int Segments { get; set; } = 8; - /// - /// Start angle for first segment. Default is 0 (three o'clock position). - /// - public double ThetaStart { get; set; } = 0; + /// + /// Start angle for first segment. Default is 0 (three o'clock position). + /// + public double ThetaStart { get; set; } = 0; - /// - /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - /// - public double ThetaLength { get; set; } = (double)(2 * System.Math.PI); + /// + /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. + /// + public double ThetaLength { get; set; } = (double)(2 * System.Math.PI); - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/ConeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/ConeGeometry.cs index 895ed1d..a35624a 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/ConeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/ConeGeometry.cs @@ -1,79 +1,76 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating cone geometries. +/// Wrapper for three.js ConeGeometry +/// +public sealed class ConeGeometry : BufferGeometry { + public ConeGeometry() : base("ConeGeometry") + { + } + /// - /// A class for generating cone geometries. - /// Wrapper for three.js ConeGeometry + /// Constructor with parameters /// - public sealed class ConeGeometry : BufferGeometry + /// Radius of the cone base. Defaults to 1. + /// Height of the cone. Default is 1. + /// Number of segmented faces around the circumference of the cone. Default is 8. + /// umber of rows of faces along the height of the cone. Default is 1. + /// A Boolean indicating whether the base of the cone is open or capped. Default is false, meaning capped. + /// Start angle for first segment. Default is 0 (three o'clock position). + /// he central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. + public ConeGeometry( + double radius = 1, + double height = 1, + int radialSegments = 8, + int heightSegments = 1, + bool openEnded = false, + double thetaStart = 0, + double thetaLength = (double)(2 * System.Math.PI)) : this() { - public ConeGeometry() : base("ConeGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Radius of the cone base. Defaults to 1. - /// Height of the cone. Default is 1. - /// Number of segmented faces around the circumference of the cone. Default is 8. - /// umber of rows of faces along the height of the cone. Default is 1. - /// A Boolean indicating whether the base of the cone is open or capped. Default is false, meaning capped. - /// Start angle for first segment. Default is 0 (three o'clock position). - /// he central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - public ConeGeometry( - double radius = 1, - double height = 1, - int radialSegments = 8, - int heightSegments = 1, - bool openEnded = false, - double thetaStart = 0, - double thetaLength = (double)(2 * System.Math.PI)) : this() - { - Radius = radius; - Height = height; - RadialSegments = radialSegments; - HeightSegments = heightSegments; - OpenEnded = openEnded; - ThetaStart = thetaStart; - ThetaLength = thetaLength; - } + Radius = radius; + Height = height; + RadialSegments = radialSegments; + HeightSegments = heightSegments; + OpenEnded = openEnded; + ThetaStart = thetaStart; + ThetaLength = thetaLength; + } - /// - /// Radius of the cone base. Defaults to 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the cone base. Defaults to 1. + /// + public double Radius { get; set; } = 1; - /// - /// Height of the cone. Default is 1. - /// - public double Height { get; set; } = 1; + /// + /// Height of the cone. Default is 1. + /// + public double Height { get; set; } = 1; - /// - /// Number of segmented faces around the circumference of the cone. Default is 8. - /// - public int RadialSegments { get; set; } = 8; + /// + /// Number of segmented faces around the circumference of the cone. Default is 8. + /// + public int RadialSegments { get; set; } = 8; - /// - /// Number of rows of faces along the height of the cone. Default is 1. - /// - public int HeightSegments { get; set; } = 1; + /// + /// Number of rows of faces along the height of the cone. Default is 1. + /// + public int HeightSegments { get; set; } = 1; - /// - /// A Boolean indicating whether the base of the cone is open or capped. Default is false, meaning capped. - /// - public bool OpenEnded { get; set; } = false; + /// + /// A Boolean indicating whether the base of the cone is open or capped. Default is false, meaning capped. + /// + public bool OpenEnded { get; set; } = false; - /// - /// Start angle for first segment. Default is 0 (three o'clock position). - /// - public double ThetaStart { get; set; } = 0; + /// + /// Start angle for first segment. Default is 0 (three o'clock position). + /// + public double ThetaStart { get; set; } = 0; - /// - /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - /// - public double ThetaLength { get; set; } = (double)(2 * System.Math.PI); + /// + /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. + /// + public double ThetaLength { get; set; } = (double)(2 * System.Math.PI); - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Curves/SplineCurveGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/Curves/SplineCurveGeometry.cs index 7fb1f6c..95c9a84 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/Curves/SplineCurveGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/Curves/SplineCurveGeometry.cs @@ -1,24 +1,20 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Maths; +namespace HomagGroup.Blazor3D.Geometires.Curves; -namespace HomagGroup.Blazor3D.Geometires.Curves +public class SplineCurveGeometry : BufferGeometry { - public class SplineCurveGeometry : BufferGeometry - { - public SplineCurveGeometry() : base("SplineCurveGeometry") - {} + public SplineCurveGeometry() : base("SplineCurveGeometry") + {} - public List Points { get; set; } = new List(); + public List Points { get; set; } = new List(); - /// - /// This value determines the amount of divisions when calculating the cumulative segment lengths of a curve via .getLengths. - /// To ensure precision when using methods like .getSpacedPoints, it is recommended to increase .arcLengthDivisions if the curve is very large. Default is 200. - /// - public int ArcLengthDivisions { get; set; } = 200; + /// + /// This value determines the amount of divisions when calculating the cumulative segment lengths of a curve via .getLengths. + /// To ensure precision when using methods like .getSpacedPoints, it is recommended to increase .arcLengthDivisions if the curve is very large. Default is 200. + /// + public int ArcLengthDivisions { get; set; } = 200; - /// - /// number of pieces to divide the curve into. Default is 5. - /// - public int Divisions { get; set; } = 5; - } + /// + /// number of pieces to divide the curve into. Default is 5. + /// + public int Divisions { get; set; } = 5; } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/CylinderGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/CylinderGeometry.cs index 6670a7d..5719952 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/CylinderGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/CylinderGeometry.cs @@ -1,86 +1,83 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating cylinder geometries. +/// Wrapper for three.js CylinderGeometry +/// +public sealed class CylinderGeometry : BufferGeometry { + public CylinderGeometry() : base("CylinderGeometry") + { + } + /// - /// A class for generating cylinder geometries. - /// Wrapper for three.js CylinderGeometry + /// Constructor with parameters /// - public sealed class CylinderGeometry : BufferGeometry + /// Radius of the cylinder at the top. Default is 1. + /// Radius of the cylinder at the bottom. Default is 1. + /// Height of the cylinder. Default is 1. + /// Number of segmented faces around the circumference of the cylinder. Default is 8. + /// Number of rows of faces along the height of the cylinder. Default is 1. + /// A Boolean indicating whether the ends of the cylinder are open or capped. Default is false, meaning capped. + /// Start angle for first segment. Default is 0 (three o'clock position). + /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. + public CylinderGeometry(double radiusTop = 1, + double radiusBottom = 1, + double height = 1, + int radialSegments = 8, + int heightSegments = 1, + bool openEnded = false, + double thetaStart = 0, + double thetaLength = (double)(2 * Math.PI)) : this() { - public CylinderGeometry() : base("CylinderGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Radius of the cylinder at the top. Default is 1. - /// Radius of the cylinder at the bottom. Default is 1. - /// Height of the cylinder. Default is 1. - /// Number of segmented faces around the circumference of the cylinder. Default is 8. - /// Number of rows of faces along the height of the cylinder. Default is 1. - /// A Boolean indicating whether the ends of the cylinder are open or capped. Default is false, meaning capped. - /// Start angle for first segment. Default is 0 (three o'clock position). - /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - public CylinderGeometry(double radiusTop = 1, - double radiusBottom = 1, - double height = 1, - int radialSegments = 8, - int heightSegments = 1, - bool openEnded = false, - double thetaStart = 0, - double thetaLength = (double)(2 * Math.PI)) : this() - { - RadiusTop = radiusTop; - RadiusBottom = radiusBottom; - Height = height; - RadialSegments = radialSegments; - HeightSegments = heightSegments; - OpenEnded = openEnded; - ThetaStart = thetaStart; - ThetaLength = thetaLength; - } + RadiusTop = radiusTop; + RadiusBottom = radiusBottom; + Height = height; + RadialSegments = radialSegments; + HeightSegments = heightSegments; + OpenEnded = openEnded; + ThetaStart = thetaStart; + ThetaLength = thetaLength; + } - /// - /// Radius of the cylinder at the top. Default is 1. - /// - public double RadiusTop { get; set; } = 1; + /// + /// Radius of the cylinder at the top. Default is 1. + /// + public double RadiusTop { get; set; } = 1; - /// - /// Radius of the cylinder at the bottom. Default is 1. - /// - public double RadiusBottom { get; set; } = 1; + /// + /// Radius of the cylinder at the bottom. Default is 1. + /// + public double RadiusBottom { get; set; } = 1; - /// - /// Height of the cylinder. Default is 1. - /// - public double Height { get; set; } = 1; + /// + /// Height of the cylinder. Default is 1. + /// + public double Height { get; set; } = 1; - /// - /// Number of segmented faces around the circumference of the cylinder. Default is 8. - /// - public int RadialSegments { get; set; } = 8; + /// + /// Number of segmented faces around the circumference of the cylinder. Default is 8. + /// + public int RadialSegments { get; set; } = 8; - /// - /// Number of rows of faces along the height of the cylinder. Default is 1. - /// - public int HeightSegments { get; set; } = 1; + /// + /// Number of rows of faces along the height of the cylinder. Default is 1. + /// + public int HeightSegments { get; set; } = 1; - /// - /// A Boolean indicating whether the ends of the cylinder are open or capped. Default is false, meaning capped. - /// - public bool OpenEnded { get; set; } = false; + /// + /// A Boolean indicating whether the ends of the cylinder are open or capped. Default is false, meaning capped. + /// + public bool OpenEnded { get; set; } = false; - /// - /// Start angle for first segment. Default is 0 (three o'clock position). - /// - public double ThetaStart { get; set; } = 0; + /// + /// Start angle for first segment. Default is 0 (three o'clock position). + /// + public double ThetaStart { get; set; } = 0; - /// - /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - /// - public double ThetaLength { get; set; } = (double)(2 * Math.PI); - } -} + /// + /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. + /// + public double ThetaLength { get; set; } = (double)(2 * Math.PI); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/DodecahedronGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/DodecahedronGeometry.cs index c16e7df..b1e9327 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/DodecahedronGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/DodecahedronGeometry.cs @@ -1,36 +1,33 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating a dodecahedron geometries. +/// Wrapper for three.js DodecahedronGeometry +/// +public class DodecahedronGeometry : BufferGeometry { + public DodecahedronGeometry() : base("DodecahedronGeometry") + { + } + /// - /// A class for generating a dodecahedron geometries. - /// Wrapper for three.js DodecahedronGeometry + /// Constructor with parametes /// - public class DodecahedronGeometry : BufferGeometry + /// Radius of the dodecahedron. Default is 1. + /// Default is 0. Setting this to a value greater than 0 adds vertices making it no longer a dodecahedron. + public DodecahedronGeometry(double radius = 1, int detail = 0) : this() { - public DodecahedronGeometry() : base("DodecahedronGeometry") - { - } - - /// - /// Constructor with parametes - /// - /// Radius of the dodecahedron. Default is 1. - /// Default is 0. Setting this to a value greater than 0 adds vertices making it no longer a dodecahedron. - public DodecahedronGeometry(double radius = 1, int detail = 0) : this() - { - Radius = radius; - Detail = detail; - } + Radius = radius; + Detail = detail; + } - /// - /// Radius of the dodecahedron. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the dodecahedron. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Default is 0. Setting this to a value greater than 0 adds vertices making it no longer a dodecahedron. - /// - public int Detail { get; set; } = 0; - } -} + /// + /// Default is 0. Setting this to a value greater than 0 adds vertices making it no longer a dodecahedron. + /// + public int Detail { get; set; } = 0; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometry.cs index e0f00b7..a22afa5 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometry.cs @@ -1,36 +1,34 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Extras.Core; +using HomagGroup.Blazor3D.Extras.Core; -namespace HomagGroup.Blazor3D.Geometires +namespace HomagGroup.Blazor3D.Geometires; + +/// +/// Creates extruded geometry from a path shape. +/// +public class ExtrudeGeometry : BufferGeometry { + public ExtrudeGeometry() : base("ExtrudeGeometry") + { + } + /// - /// Creates extruded geometry from a path shape. + /// Construcor with parameters. /// - public class ExtrudeGeometry : BufferGeometry + /// polygonal shape. + /// options used for extrusion. + public ExtrudeGeometry(Shape shape, ExtrudeGeometryOptions options) : this() { - public ExtrudeGeometry() : base("ExtrudeGeometry") - { - } - - /// - /// Construcor with parameters. - /// - /// polygonal shape. - /// options used for extrusion. - public ExtrudeGeometry(Shape shape, ExtrudeGeometryOptions options) : this() - { - Shape = shape; - ExtrudeOptions = options; - } + Shape = shape; + ExtrudeOptions = options; + } - /// - /// polygonal shape. - /// - public Shape Shape { get; set; } = new Shape(); + /// + /// polygonal shape. + /// + public Shape Shape { get; set; } = new Shape(); - /// - /// options used for extrusion. - /// - public ExtrudeGeometryOptions ExtrudeOptions { get; set; } = new ExtrudeGeometryOptions(); - } -} + /// + /// options used for extrusion. + /// + public ExtrudeGeometryOptions ExtrudeOptions { get; set; } = new ExtrudeGeometryOptions(); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometryOptions.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometryOptions.cs index 31b80e2..6a1c18e 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometryOptions.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometryOptions.cs @@ -1,18 +1,17 @@ -namespace HomagGroup.Blazor3D.Geometires +namespace HomagGroup.Blazor3D.Geometires; + +/// +/// Options used for extrusion. +/// +public class ExtrudeGeometryOptions { /// - /// Options used for extrusion. + /// Extrusion depth. Default is 1. /// - public class ExtrudeGeometryOptions - { - /// - /// Extrusion depth. Default is 1. - /// - public double Depth { get; set; } = 1; + public double Depth { get; set; } = 1; - /// - /// Apply beveling to the shape. Default is true. - /// - public bool BevelEnabled { get; set; } = true; - } -} + /// + /// Apply beveling to the shape. Default is true. + /// + public bool BevelEnabled { get; set; } = true; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/IcosahedronGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/IcosahedronGeometry.cs index 92e94d3..bf046dd 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/IcosahedronGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/IcosahedronGeometry.cs @@ -1,36 +1,33 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating an icosahedron geometry. +/// Wrapper for three.js IcosahedronGeometry +/// +public class IcosahedronGeometry : BufferGeometry { + public IcosahedronGeometry() : base("IcosahedronGeometry") + { + } + /// - /// A class for generating an icosahedron geometry. - /// Wrapper for three.js IcosahedronGeometry + /// Constructor with parameters /// - public class IcosahedronGeometry : BufferGeometry + /// Radius of the icosahedron. Default is 1. + /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an icosahedron. When detail is greater than 1, it's closer to a sphere. + public IcosahedronGeometry(double radius = 1, int detail = 0) : this() { - public IcosahedronGeometry() : base("IcosahedronGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Radius of the icosahedron. Default is 1. - /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an icosahedron. When detail is greater than 1, it's closer to a sphere. - public IcosahedronGeometry(double radius = 1, int detail = 0) : this() - { - Radius = radius; - Detail = detail; - } + Radius = radius; + Detail = detail; + } - /// - /// Radius of the icosahedron. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the icosahedron. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an icosahedron. When detail is greater than 1, it's closer to a sphere. - /// - public int Detail { get; set; } = 0; - } -} + /// + /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an icosahedron. When detail is greater than 1, it's closer to a sphere. + /// + public int Detail { get; set; } = 0; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs index 3936c6a..181c4cc 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs @@ -1,15 +1,11 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Maths; +namespace HomagGroup.Blazor3D.Geometires.Lines; -namespace HomagGroup.Blazor3D.Geometires.Lines +public class LineGeometry : BufferGeometry { - public class LineGeometry : BufferGeometry + public LineGeometry() : base("LineGeometry") { - public LineGeometry() : base("LineGeometry") - { - } - - public List Points { get; set; } = new List(); } -} + + public List Points { get; set; } = new List(); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/OctahedronGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/OctahedronGeometry.cs index b4a052b..744a61c 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/OctahedronGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/OctahedronGeometry.cs @@ -1,35 +1,32 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating an octahedron geometry. +/// Wrapper for three.js OctahedronGeometry +/// +public sealed class OctahedronGeometry : BufferGeometry { + public OctahedronGeometry() : base("OctahedronGeometry") + { + } /// - /// A class for generating an octahedron geometry. - /// Wrapper for three.js OctahedronGeometry + /// Constructor with parameters /// - public sealed class OctahedronGeometry : BufferGeometry + /// Radius of the octahedron. Default is 1. + /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an octahedron. + public OctahedronGeometry(double radius = 1, int detail = 0) : this() { - public OctahedronGeometry() : base("OctahedronGeometry") - { - } - /// - /// Constructor with parameters - /// - /// Radius of the octahedron. Default is 1. - /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an octahedron. - public OctahedronGeometry(double radius = 1, int detail = 0) : this() - { - Radius = radius; - Detail = detail; - } + Radius = radius; + Detail = detail; + } - /// - /// Radius of the octahedron. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the octahedron. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an octahedron. - /// - public int Detail { get; set; } = 0; - } -} + /// + /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an octahedron. + /// + public int Detail { get; set; } = 0; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/PlaneGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/PlaneGeometry.cs index 209cbbe..b544e26 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/PlaneGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/PlaneGeometry.cs @@ -1,49 +1,46 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating plane geometries. +/// Wrapper for three.js PlaneGeometry +/// +public sealed class PlaneGeometry : BufferGeometry { + public PlaneGeometry() : base("PlaneGeometry") + { + } /// - /// A class for generating plane geometries. - /// Wrapper for three.js PlaneGeometry + /// Constructor with parameters /// - public sealed class PlaneGeometry : BufferGeometry + /// The length of the edges parallel to the X axis. Default is 1. + /// The length of the edges parallel to the Y axis. Default is 1. + /// Number of segmented rectangular faces along the width of the sides. Default is 1. + /// Number of segmented rectangular faces along the height of the sides. Default is 1. + public PlaneGeometry(double width = 1, double height = 1, int widthSegments = 1, int heightSegments = 1) : this() { - public PlaneGeometry() : base("PlaneGeometry") - { - } - /// - /// Constructor with parameters - /// - /// The length of the edges parallel to the X axis. Default is 1. - /// The length of the edges parallel to the Y axis. Default is 1. - /// Number of segmented rectangular faces along the width of the sides. Default is 1. - /// Number of segmented rectangular faces along the height of the sides. Default is 1. - public PlaneGeometry(double width = 1, double height = 1, int widthSegments = 1, int heightSegments = 1) : this() - { - Width = width; - Height = height; - WidthSegments = widthSegments; - HeightSegments = heightSegments; - } + Width = width; + Height = height; + WidthSegments = widthSegments; + HeightSegments = heightSegments; + } - /// - /// The length of the edges parallel to the X axis. Default is 1. - /// - public double Width { get; set; } = 1; + /// + /// The length of the edges parallel to the X axis. Default is 1. + /// + public double Width { get; set; } = 1; - /// - /// The length of the edges parallel to the Y axis. Default is 1. - /// - public double Height { get; set; } = 1; + /// + /// The length of the edges parallel to the Y axis. Default is 1. + /// + public double Height { get; set; } = 1; - /// - /// Number of segmented rectangular faces along the width of the sides. Default is 1. - /// - public int WidthSegments { get; set; } = 1; + /// + /// Number of segmented rectangular faces along the width of the sides. Default is 1. + /// + public int WidthSegments { get; set; } = 1; - /// - /// Number of segmented rectangular faces along the height of the sides. Default is 1. - /// - public int HeightSegments { get; set; } = 1; - } -} + /// + /// Number of segmented rectangular faces along the height of the sides. Default is 1. + /// + public int HeightSegments { get; set; } = 1; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/RingGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/RingGeometry.cs index 86c69af..cbe70a8 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/RingGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/RingGeometry.cs @@ -1,71 +1,68 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating a two-dimensional ring geometry. +/// Wrapper for three.js RingGeometry +/// +public sealed class RingGeometry : BufferGeometry { + public RingGeometry() : base("RingGeometry") + { + } + /// - /// A class for generating a two-dimensional ring geometry. - /// Wrapper for three.js RingGeometry + /// Constructor with parameters /// - public sealed class RingGeometry : BufferGeometry + /// Inner radius of the ring. Default is 0.5. + /// Outer radius of the ring. Default is 1. + /// Number of segments. A higher number means the ring will be more round. Minimum is 3. Default is 8. + /// Number of rows of faces from inner to outer radii. Minimum is 1. Default is 1. + /// Start angle for first segment. Default is 0 (three o'clock position). + /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. + public RingGeometry( + double innerRadius = 0.5f, + double outerRadius = 1, + int thetaSegments = 8, + int phiSegments = 1, + double thetaStart = 0, + double thetaLength = (double)(2 * Math.PI)) : this() { - public RingGeometry() : base("RingGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Inner radius of the ring. Default is 0.5. - /// Outer radius of the ring. Default is 1. - /// Number of segments. A higher number means the ring will be more round. Minimum is 3. Default is 8. - /// Number of rows of faces from inner to outer radii. Minimum is 1. Default is 1. - /// Start angle for first segment. Default is 0 (three o'clock position). - /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - public RingGeometry( - double innerRadius = 0.5f, - double outerRadius = 1, - int thetaSegments = 8, - int phiSegments = 1, - double thetaStart = 0, - double thetaLength = (double)(2 * Math.PI)) : this() - { - InnerRadius = innerRadius; - OuterRadius = outerRadius; - ThetaSegments = thetaSegments; - PhiSegments = phiSegments; - ThetaStart = thetaStart; - ThetaLength = thetaLength; - } + InnerRadius = innerRadius; + OuterRadius = outerRadius; + ThetaSegments = thetaSegments; + PhiSegments = phiSegments; + ThetaStart = thetaStart; + ThetaLength = thetaLength; + } - /// - /// Inner radius of the ring. Default is 0.5. - /// - public double InnerRadius { get; set; } = 0.5f; + /// + /// Inner radius of the ring. Default is 0.5. + /// + public double InnerRadius { get; set; } = 0.5f; - /// - /// Outer radius of the ring. Default is 1. - /// - public double OuterRadius { get; set; } = 1; + /// + /// Outer radius of the ring. Default is 1. + /// + public double OuterRadius { get; set; } = 1; - /// - /// Number of segments. A higher number means the ring will be more round. Minimum is 3. Default is 8. - /// - public int ThetaSegments { get; set; } = 8; + /// + /// Number of segments. A higher number means the ring will be more round. Minimum is 3. Default is 8. + /// + public int ThetaSegments { get; set; } = 8; - /// - /// Number of rows of faces from inner to outer radii. Minimum is 1. Default is 1. - /// - public int PhiSegments { get; set; } = 1; + /// + /// Number of rows of faces from inner to outer radii. Minimum is 1. Default is 1. + /// + public int PhiSegments { get; set; } = 1; - /// - /// Start angle for first segment. Default is 0 (three o'clock position). - /// - public double ThetaStart { get; set; } = 0; + /// + /// Start angle for first segment. Default is 0 (three o'clock position). + /// + public double ThetaStart { get; set; } = 0; - /// - /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - /// - public double ThetaLength { get; set; } = (double)(2 * Math.PI); - } -} + /// + /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. + /// + public double ThetaLength { get; set; } = (double)(2 * Math.PI); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs index d66f80f..e820fac 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs @@ -1,29 +1,27 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Extras.Core; +using HomagGroup.Blazor3D.Extras.Core; -namespace HomagGroup.Blazor3D.Geometires +namespace HomagGroup.Blazor3D.Geometires; + +/// +/// Creates an one-sided polygonal geometry from one or more path shapes. +/// +public class ShapeGeometry : BufferGeometry { + public ShapeGeometry() : base("ShapeGeometry") + { + } + /// - /// Creates an one-sided polygonal geometry from one or more path shapes. + /// onstructor with parameters /// - public class ShapeGeometry : BufferGeometry + /// polygonal shape. + public ShapeGeometry(Shape shape):this() { - public ShapeGeometry() : base("ShapeGeometry") - { - } - - /// - /// onstructor with parameters - /// - /// polygonal shape. - public ShapeGeometry(Shape shape):this() - { - Shape = shape; - } - - /// - /// polygonal shape. - /// - public Shape Shape { get; set; } = new Shape(); + Shape = shape; } -} + + /// + /// polygonal shape. + /// + public Shape Shape { get; set; } = new Shape(); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/SphereGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/SphereGeometry.cs index 5a4cc31..3ea4b26 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/SphereGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/SphereGeometry.cs @@ -1,78 +1,75 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating sphere geometries. +/// Wrapper for three.js SphereGeometry +/// +public sealed class SphereGeometry : BufferGeometry { + public SphereGeometry() : base("SphereGeometry") + { + } + /// - /// A class for generating sphere geometries. - /// Wrapper for three.js SphereGeometry + /// Constructor with parameters /// - public sealed class SphereGeometry : BufferGeometry + /// Radius of the sphere. Default is 1. + /// Number of horizontal segments. Minimum value is 3, and the default is 32. + /// Number of vertical segments. Minimum value is 2, and the default is 16. + /// Specifies horizontal starting angle. Default is 0. + /// Specifies horizontal sweep angle size. Default is Math.PI * 2. + /// Specifies vertical starting angle. Default is 0. + /// Specifies vertical sweep angle size. Default is Math.PI * 2. + public SphereGeometry( + double radius = 1, + int widthSegments = 32, + int heightSegments = 16, + double phiStart = 0, + double phiLength = (double)(2 * Math.PI), + double thetaStart = 0, + double thetaLength = (double)(2 * Math.PI)) : this() { - public SphereGeometry() : base("SphereGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Radius of the sphere. Default is 1. - /// Number of horizontal segments. Minimum value is 3, and the default is 32. - /// Number of vertical segments. Minimum value is 2, and the default is 16. - /// Specifies horizontal starting angle. Default is 0. - /// Specifies horizontal sweep angle size. Default is Math.PI * 2. - /// Specifies vertical starting angle. Default is 0. - /// Specifies vertical sweep angle size. Default is Math.PI * 2. - public SphereGeometry( - double radius = 1, - int widthSegments = 32, - int heightSegments = 16, - double phiStart = 0, - double phiLength = (double)(2 * Math.PI), - double thetaStart = 0, - double thetaLength = (double)(2 * Math.PI)) : this() - { - Radius = radius; - WidthSegments = widthSegments; - HeightSegments = heightSegments; - PhiStart = phiStart; - PhiLength = phiLength; - ThetaStart = thetaStart; - ThetaLength = thetaLength; - } + Radius = radius; + WidthSegments = widthSegments; + HeightSegments = heightSegments; + PhiStart = phiStart; + PhiLength = phiLength; + ThetaStart = thetaStart; + ThetaLength = thetaLength; + } - /// - /// Radius of the sphere. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the sphere. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Number of horizontal segments. Minimum value is 3, and the default is 32. - /// - public int WidthSegments { get; set; } = 32; + /// + /// Number of horizontal segments. Minimum value is 3, and the default is 32. + /// + public int WidthSegments { get; set; } = 32; - /// - /// Number of vertical segments. Minimum value is 2, and the default is 16. - /// - public int HeightSegments { get; set; } = 16; + /// + /// Number of vertical segments. Minimum value is 2, and the default is 16. + /// + public int HeightSegments { get; set; } = 16; - /// - /// Specifies horizontal starting angle. Default is 0. - /// - public double PhiStart { get; set; } = 0; + /// + /// Specifies horizontal starting angle. Default is 0. + /// + public double PhiStart { get; set; } = 0; - /// - /// Specifies horizontal sweep angle size. Default is Math.PI * 2. - /// - public double PhiLength { get; set; } = (double)(2 * Math.PI); + /// + /// Specifies horizontal sweep angle size. Default is Math.PI * 2. + /// + public double PhiLength { get; set; } = (double)(2 * Math.PI); - /// - /// Specifies vertical starting angle. Default is 0. - /// - public double ThetaStart { get; set; } = 0; + /// + /// Specifies vertical starting angle. Default is 0. + /// + public double ThetaStart { get; set; } = 0; - /// - /// Specifies vertical sweep angle size. Default is Math.PI * 2. - /// - public double ThetaLength { get; set; } = (double)(2 * Math.PI); - } -} + /// + /// Specifies vertical sweep angle size. Default is Math.PI * 2. + /// + public double ThetaLength { get; set; } = (double)(2 * Math.PI); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs index 7c0a2ee..2bf99ec 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs @@ -1,36 +1,33 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating a tetrahedron geometries. +/// Wrapper for three.js TetrahedronGeometry +/// +public sealed class TetrahedronGeometry : BufferGeometry { + + public TetrahedronGeometry() : base("TetrahedronGeometry") + { + } /// - /// A class for generating a tetrahedron geometries. - /// Wrapper for three.js TetrahedronGeometry + /// Constructor with parameters /// - public sealed class TetrahedronGeometry : BufferGeometry + /// Radius of the tetrahedron. Default is 1. + /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an tetrahedron. + public TetrahedronGeometry(double radius = 1, int detail = 0) : this() { + Radius = radius; + Detail = detail; + } - public TetrahedronGeometry() : base("TetrahedronGeometry") - { - } - /// - /// Constructor with parameters - /// - /// Radius of the tetrahedron. Default is 1. - /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an tetrahedron. - public TetrahedronGeometry(double radius = 1, int detail = 0) : this() - { - Radius = radius; - Detail = detail; - } - - /// - /// Radius of the tetrahedron. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the tetrahedron. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an tetrahedron. - /// - public int Detail { get; set; } = 0; - } -} + /// + /// Default is 0. Setting this to a value greater than 0 adds more vertices making it no longer an tetrahedron. + /// + public int Detail { get; set; } = 0; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextExtrudeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextExtrudeGeometry.cs index b31eb38..85af4d3 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextExtrudeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextExtrudeGeometry.cs @@ -1,49 +1,46 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires.Text; -namespace HomagGroup.Blazor3D.Geometires.Text +/// +/// Represents geometry to build extruded text +/// +public class TextExtrudeGeometry : TextShapeGeometry { - /// - /// Represents geometry to build extruded text - /// - public class TextExtrudeGeometry : TextShapeGeometry + public TextExtrudeGeometry() : base("TextExtrudeGeometry") { - public TextExtrudeGeometry() : base("TextExtrudeGeometry") - { - } - - /// - /// Thickness to extrude text. Default is 50. - /// - public double Height { get; set; } = 50; - - /// - /// Number of points on the curves. Default is 12. - /// - public int CurveSegments { get; set; } = 12; - - /// - /// Turn on bevel. Default is False. - /// - public bool BevelEnabled { get; set; } = false; - - /// - /// How deep into text bevel goes. Default is 10. - /// - public double BevelThickness { get; set; } = 10; - - /// - /// How far from text outline is bevel. Default is 8. - /// - public double BevelSize { get; set; } = 8; - - /// - /// How far from text outline bevel starts. Default is 0. - /// - public double BevelOffset { get; set; } = 0; - - /// - /// Number of bevel segments - /// - public int BevelSegments { get; set; } = 3; } -} + + /// + /// Thickness to extrude text. Default is 50. + /// + public double Height { get; set; } = 50; + + /// + /// Number of points on the curves. Default is 12. + /// + public int CurveSegments { get; set; } = 12; + + /// + /// Turn on bevel. Default is False. + /// + public bool BevelEnabled { get; set; } = false; + + /// + /// How deep into text bevel goes. Default is 10. + /// + public double BevelThickness { get; set; } = 10; + + /// + /// How far from text outline is bevel. Default is 8. + /// + public double BevelSize { get; set; } = 8; + + /// + /// How far from text outline bevel starts. Default is 0. + /// + public double BevelOffset { get; set; } = 0; + + /// + /// Number of bevel segments + /// + public int BevelSegments { get; set; } = 3; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextShapeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextShapeGeometry.cs index ca8ff94..83efeed 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextShapeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextShapeGeometry.cs @@ -1,33 +1,30 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires.Text; -namespace HomagGroup.Blazor3D.Geometires.Text +/// +/// Represents geometry to build shape text +/// +public class TextShapeGeometry : BufferGeometry { - /// - /// Represents geometry to build shape text - /// - public class TextShapeGeometry : BufferGeometry + public TextShapeGeometry() : base("TextShapeGeometry") { - public TextShapeGeometry() : base("TextShapeGeometry") - { - } + } - protected TextShapeGeometry(string type) : base(type) - { - } + protected TextShapeGeometry(string type) : base(type) + { + } - /// - /// The text that needs to be shown - /// - public string Text { get; set; } = "Hello, HomagGroup.Blazor3D!"; + /// + /// The text that needs to be shown + /// + public string Text { get; set; } = "Hello, HomagGroup.Blazor3D!"; - /// - /// The path or URL to the file. This can also be a Data URI - /// - public string FontURL { get; set; } = string.Empty; + /// + /// The path or URL to the file. This can also be a Data URI + /// + public string FontURL { get; set; } = string.Empty; - /// - /// Size of the text. Default is 100. - /// - public double Size { get; set; } = 100; - } -} + /// + /// Size of the text. Default is 100. + /// + public double Size { get; set; } = 100; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs index 727cc1e..0937e1b 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs @@ -1,20 +1,19 @@ -namespace HomagGroup.Blazor3D.Geometires.Text +namespace HomagGroup.Blazor3D.Geometires.Text; + +/// +/// Represents geometry to build stroke text +/// +public class TextStrokeGeometry : TextShapeGeometry { /// - /// Represents geometry to build stroke text + /// Constructor /// - public class TextStrokeGeometry : TextShapeGeometry + public TextStrokeGeometry() : base("TextStrokeGeometry") { - /// - /// Constructor - /// - public TextStrokeGeometry() : base("TextStrokeGeometry") - { } - /// - /// Stroke width - /// - public double StrokeWidth { get; set; } = 1; - } -} + /// + /// Stroke width + /// + public double StrokeWidth { get; set; } = 1; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs index 6f79e98..673d9dd 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs @@ -1,57 +1,54 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// A class for generating torus geometries. +/// Wrapper for three.js TorusGeometry +/// +public sealed class TorusGeometry : BufferGeometry { + public TorusGeometry() : base("TorusGeometry") + { + } + /// - /// A class for generating torus geometries. - /// Wrapper for three.js TorusGeometry + /// Constructor with parameters /// - public sealed class TorusGeometry : BufferGeometry + /// Radius of the torus, from the center of the torus to the center of the tube. Default is 1. + /// Radius of the tube. Default is 0.4. + /// Number of radial segments. Default is 8. + /// Number of tubular segments. Default is 6. + /// Central angle. Default is Math.PI * 2. + public TorusGeometry(double radius = 1, double tube = 0.4f, int radialSegments = 8, int tubularSegments = 6, double arc = (double)(2 * Math.PI)) : this() { - public TorusGeometry() : base("TorusGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Radius of the torus, from the center of the torus to the center of the tube. Default is 1. - /// Radius of the tube. Default is 0.4. - /// Number of radial segments. Default is 8. - /// Number of tubular segments. Default is 6. - /// Central angle. Default is Math.PI * 2. - public TorusGeometry(double radius = 1, double tube = 0.4f, int radialSegments = 8, int tubularSegments = 6, double arc = (double)(2 * Math.PI)) : this() - { - Radius = radius; - Tube = tube; - RadialSegments = radialSegments; - TubularSegments = tubularSegments; - Arc = arc; - } + Radius = radius; + Tube = tube; + RadialSegments = radialSegments; + TubularSegments = tubularSegments; + Arc = arc; + } - /// - /// Radius of the torus, from the center of the torus to the center of the tube. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the torus, from the center of the torus to the center of the tube. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Radius of the tube. Default is 0.4. - /// - public double Tube { get; set; } = 0.4f; + /// + /// Radius of the tube. Default is 0.4. + /// + public double Tube { get; set; } = 0.4f; - /// - /// Number of radial segments. Default is 8. - /// - public int RadialSegments { get; set; } = 8; + /// + /// Number of radial segments. Default is 8. + /// + public int RadialSegments { get; set; } = 8; - /// - /// Number of tubular segments. Default is 6. - /// - public int TubularSegments { get; set; } = 6; + /// + /// Number of tubular segments. Default is 6. + /// + public int TubularSegments { get; set; } = 6; - /// - /// Central angle. Default is Math.PI * 2. - /// - public double Arc { get; set; } = (double)(2 * Math.PI); - } -} + /// + /// Central angle. Default is Math.PI * 2. + /// + public double Arc { get; set; } = (double)(2 * Math.PI); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs index d5b0937..5056768 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs @@ -1,65 +1,62 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Geometires +/// +/// Class for torus knot, the particular shape of which is defined by a pair of coprime integers, p and q. If p and q are not coprime, the result will be a torus link. +/// Wrapper for three.js TorusKnotGeometry +/// +public sealed class TorusKnotGeometry : BufferGeometry { + public TorusKnotGeometry() : base("TorusKnotGeometry") + { + } + /// - /// Class for torus knot, the particular shape of which is defined by a pair of coprime integers, p and q. If p and q are not coprime, the result will be a torus link. - /// Wrapper for three.js TorusKnotGeometry + /// Constructor with parameters /// - public sealed class TorusKnotGeometry : BufferGeometry + /// Radius of the torus, from the center of the torus to the center of the tube. Default is 1. + /// Radius of the tube. Default is 0.4. + /// Number of radial segments. Default is 8. + /// Number of tubular segments. Default is 64. + /// This value determines, how many times the geometry winds around its axis of rotational symmetry. Default is 2. + /// This value determines, how many times the geometry winds around a circle in the interior of the torus. Default is 3. + public TorusKnotGeometry(double radius = 1, double tube = 0.4f, int radialSegments = 8, int tubularSegments = 64, int p = 2, int q = 3) :this() { - public TorusKnotGeometry() : base("TorusKnotGeometry") - { - } - - /// - /// Constructor with parameters - /// - /// Radius of the torus, from the center of the torus to the center of the tube. Default is 1. - /// Radius of the tube. Default is 0.4. - /// Number of radial segments. Default is 8. - /// Number of tubular segments. Default is 64. - /// This value determines, how many times the geometry winds around its axis of rotational symmetry. Default is 2. - /// This value determines, how many times the geometry winds around a circle in the interior of the torus. Default is 3. - public TorusKnotGeometry(double radius = 1, double tube = 0.4f, int radialSegments = 8, int tubularSegments = 64, int p = 2, int q = 3) :this() - { - Radius = radius; - Tube = tube; - RadialSegments = radialSegments; - TubularSegments = tubularSegments; - P = p; - Q = q; - } + Radius = radius; + Tube = tube; + RadialSegments = radialSegments; + TubularSegments = tubularSegments; + P = p; + Q = q; + } - /// - /// Radius of the torus, from the center of the torus to the center of the tube. Default is 1. - /// - public double Radius { get; set; } = 1; + /// + /// Radius of the torus, from the center of the torus to the center of the tube. Default is 1. + /// + public double Radius { get; set; } = 1; - /// - /// Radius of the tube. Default is 0.4. - /// - public double Tube { get; set; } = 0.4f; + /// + /// Radius of the tube. Default is 0.4. + /// + public double Tube { get; set; } = 0.4f; - /// - /// Number of radial segments. Default is 8. - /// - public int RadialSegments { get; set; } = 8; + /// + /// Number of radial segments. Default is 8. + /// + public int RadialSegments { get; set; } = 8; - /// - /// Number of tubular segments. Default is 64. - /// - public int TubularSegments { get; set; } = 64; + /// + /// Number of tubular segments. Default is 64. + /// + public int TubularSegments { get; set; } = 64; - /// - /// This value determines, how many times the geometry winds around its axis of rotational symmetry. Default is 2. - /// - public int P { get; set; } = 2; + /// + /// This value determines, how many times the geometry winds around its axis of rotational symmetry. Default is 2. + /// + public int P { get; set; } = 2; - /// - /// This value determines, how many times the geometry winds around a circle in the interior of the torus. Default is 3. - /// - public int Q { get; set; } = 3; - } -} + /// + /// This value determines, how many times the geometry winds around a circle in the interior of the torus. Default is 3. + /// + public int Q { get; set; } = 3; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs b/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs new file mode 100644 index 0000000..416d4a3 --- /dev/null +++ b/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs @@ -0,0 +1,19 @@ +// Global using directives + +global using HomagGroup.Blazor3D.Cameras; +global using HomagGroup.Blazor3D.ComponentHelpers; +global using HomagGroup.Blazor3D.Controls; +global using HomagGroup.Blazor3D.Core; +global using HomagGroup.Blazor3D.Enums; +global using HomagGroup.Blazor3D.Events; +global using HomagGroup.Blazor3D.Lights; +global using HomagGroup.Blazor3D.Materials; +global using HomagGroup.Blazor3D.Maths; +global using HomagGroup.Blazor3D.Objects; +global using HomagGroup.Blazor3D.Scenes; +global using HomagGroup.Blazor3D.Settings; +global using Microsoft.AspNetCore.Components; +global using Microsoft.JSInterop; +global using Newtonsoft.Json; +global using Newtonsoft.Json.Converters; +global using Newtonsoft.Json.Linq; \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/ArrowHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/ArrowHelper.cs index 8e314a6..7a14442 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/ArrowHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/ArrowHelper.cs @@ -1,73 +1,69 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Maths; +namespace HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Helpers +/// +/// An 3D arrow object for visualizing directions. +/// This object inherits from +/// Wrapper for three.js ArrowHelper +/// +/// +public sealed class ArrowHelper : Object3D { + public ArrowHelper() : base("ArrowHelper") + { + } + /// - /// An 3D arrow object for visualizing directions. - /// This object inherits from - /// Wrapper for three.js ArrowHelper + /// Constructor with parameters. /// - /// - public sealed class ArrowHelper : Object3D + /// Direction from origin. Must be a unit vector. It's normilized before applying. Default is (0, 0, 1). + /// Point at which the arrow starts. Default is (0, 0, 0). + /// Length of the arrow. Default is 1. + /// Color. Default is "0xffff00". + /// The length of the head of the arrow. Default is 0.2 * Length. + /// The width of the head of the arrow. Default is 0.2 * HeadLength. + public ArrowHelper( + Vector3 dir = null!, + Vector3 origin = null!, + double length = 1, + string color = "0xffff00", + double headLength = 0.2, + double headWidth = 0.2 * 0.2) : this() { - public ArrowHelper() : base("ArrowHelper") - { - } - - /// - /// Constructor with parameters. - /// - /// Direction from origin. Must be a unit vector. It's normilized before applying. Default is (0, 0, 1). - /// Point at which the arrow starts. Default is (0, 0, 0). - /// Length of the arrow. Default is 1. - /// Color. Default is "0xffff00". - /// The length of the head of the arrow. Default is 0.2 * Length. - /// The width of the head of the arrow. Default is 0.2 * HeadLength. - public ArrowHelper( - Vector3 dir = null!, - Vector3 origin = null!, - double length = 1, - string color = "0xffff00", - double headLength = 0.2, - double headWidth = 0.2 * 0.2) : this() - { - Dir = dir ?? new Vector3(0, 0, 1); - Origin = origin ?? new Vector3(0, 0, 0); - Length = length; - Color = color; - HeadLength = headLength; - HeadWidth = headWidth; - } + Dir = dir ?? new Vector3(0, 0, 1); + Origin = origin ?? new Vector3(0, 0, 0); + Length = length; + Color = color; + HeadLength = headLength; + HeadWidth = headWidth; + } - /// - /// Direction from origin. Must be a unit vector. It's normilized before applying. Default is (0, 0, 1). - /// - public Vector3 Dir { get; set; } = new Vector3(0, 0, 1); + /// + /// Direction from origin. Must be a unit vector. It's normilized before applying. Default is (0, 0, 1). + /// + public Vector3 Dir { get; set; } = new Vector3(0, 0, 1); - /// - /// Point at which the arrow starts. Default is (0, 0, 0). - /// - public Vector3 Origin { get; set; } = new Vector3(0, 0, 0); + /// + /// Point at which the arrow starts. Default is (0, 0, 0). + /// + public Vector3 Origin { get; set; } = new Vector3(0, 0, 0); - /// - /// Length of the arrow. Default is 1. - /// - public double Length { get; set; } = 1; + /// + /// Length of the arrow. Default is 1. + /// + public double Length { get; set; } = 1; - /// - /// Color. Default is "0xffff00". - /// - public string Color { get; set; } = "0xffff00"; + /// + /// Color. Default is "0xffff00". + /// + public string Color { get; set; } = "0xffff00"; - /// - /// The length of the head of the arrow. Default is 0.2 * Length. - /// - public double HeadLength { get; set; } = 0.2; + /// + /// The length of the head of the arrow. Default is 0.2 * Length. + /// + public double HeadLength { get; set; } = 0.2; - /// - /// The width of the head of the arrow. Default is 0.2 * HeadLength. - /// - public double HeadWidth { get; set; } = 0.2 * 0.2; - } -} + /// + /// The width of the head of the arrow. Default is 0.2 * HeadLength. + /// + public double HeadWidth { get; set; } = 0.2 * 0.2; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/AxesHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/AxesHelper.cs index 8b16a1e..ba5dc13 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/AxesHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/AxesHelper.cs @@ -1,33 +1,30 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Helpers +/// +/// An axis object to visualize the 3 axes in a simple way. +/// The X axis is red.The Y axis is green.The Z axis is blue. +/// This object inherits from +/// Wrapper for three.js AxesHelper +/// +/// +public sealed class AxesHelper : Object3D { + public AxesHelper() : base("AxesHelper") + { + } + /// - /// An axis object to visualize the 3 axes in a simple way. - /// The X axis is red.The Y axis is green.The Z axis is blue. - /// This object inherits from - /// Wrapper for three.js AxesHelper + /// Constructor with parameters /// - /// - public sealed class AxesHelper : Object3D + /// Size of the lines representing the axes. Default is 1. + public AxesHelper(double size = 1) : this() { - public AxesHelper() : base("AxesHelper") - { - } - - /// - /// Constructor with parameters - /// - /// Size of the lines representing the axes. Default is 1. - public AxesHelper(double size = 1) : this() - { - Size = size; - } + Size = size; + } - /// - /// Size of the lines representing the axes. Default is 1. - /// - public double Size { get; set; } = 1; - } -} + /// + /// Size of the lines representing the axes. Default is 1. + /// + public double Size { get; set; } = 1; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs index 56f8bbd..6009d0d 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs @@ -1,31 +1,28 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Helpers +/// +/// Helper object to graphically show the world-axis-aligned bounding box around an object. +/// This object inherits from +/// Wrapper for three.js BoxHelper +/// +/// +public sealed class BoxHelper : Object3D { - /// - /// Helper object to graphically show the world-axis-aligned bounding box around an object. - /// This object inherits from - /// Wrapper for three.js BoxHelper - /// - /// - public sealed class BoxHelper : Object3D + public BoxHelper() : base("BoxHelper") { - public BoxHelper() : base("BoxHelper") - { - } + } - public BoxHelper(Object3D object3d = null!, string color = "0xffff00") : this() - { - Object3D = object3d; - Color = color; - } + public BoxHelper(Object3D object3d = null!, string color = "0xffff00") : this() + { + Object3D = object3d; + Color = color; + } - /// - /// The to show the world-axis-aligned boundingbox. - /// - public Object3D Object3D { get; set; } = null!; + /// + /// The to show the world-axis-aligned boundingbox. + /// + public Object3D Object3D { get; set; } = null!; - public string Color { get; set; } = "0xffff00"; + public string Color { get; set; } = "0xffff00"; - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs index 4aa537c..3ccba3b 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs @@ -1,45 +1,42 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Helpers +/// +/// The GridHelper is an object to define grids. Grids are two-dimensional arrays of lines. +/// This object inherits from +/// Wrapper for three.js GridHelper +/// +/// +public sealed class GridHelper : Object3D { - /// - /// The GridHelper is an object to define grids. Grids are two-dimensional arrays of lines. - /// This object inherits from - /// Wrapper for three.js GridHelper - /// - /// - public sealed class GridHelper : Object3D + public GridHelper() : base("GridHelper") { - public GridHelper() : base("GridHelper") - { - } + } - public GridHelper(double size = 10, int devisions = 10, string colorCenterLine = "0x444444", string colorGrid = "0x888888") : this() - { - Size = size; - Divisions = devisions; - ColorCenterLine = colorCenterLine; - ColorGrid = colorGrid; - } + public GridHelper(double size = 10, int devisions = 10, string colorCenterLine = "0x444444", string colorGrid = "0x888888") : this() + { + Size = size; + Divisions = devisions; + ColorCenterLine = colorCenterLine; + ColorGrid = colorGrid; + } - /// - /// The size of the grid. Default is 10. - /// - public double Size { get; set; } = 10; + /// + /// The size of the grid. Default is 10. + /// + public double Size { get; set; } = 10; - /// - /// The number of divisions across the grid. Default is 10. - /// - public int Divisions { get; set; } = 10; + /// + /// The number of divisions across the grid. Default is 10. + /// + public int Divisions { get; set; } = 10; - /// - /// The color of the centerline. This can be a Color, a hexadecimal value and an CSS-Color name. Default is "0x444444:. - /// - public string ColorCenterLine { get; set; } = "0x444444"; + /// + /// The color of the centerline. This can be a Color, a hexadecimal value and an CSS-Color name. Default is "0x444444:. + /// + public string ColorCenterLine { get; set; } = "0x444444"; - /// - /// The color of the lines of the grid. This can be a Color, a hexadecimal value and an CSS-Color name. Default is "0x888888". - /// - public string ColorGrid { get; set; } = "0x888888"; - } -} + /// + /// The color of the lines of the grid. This can be a Color, a hexadecimal value and an CSS-Color name. Default is "0x888888". + /// + public string ColorGrid { get; set; } = "0x888888"; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/PlaneHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/PlaneHelper.cs index a14efcf..a86c0a5 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/PlaneHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/PlaneHelper.cs @@ -1,46 +1,42 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Maths; +namespace HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Helpers +/// +/// Helper object to visualize a . +/// This object inherits from +/// Wrapper for three.js PlaneHelper +/// +/// +public sealed class PlaneHelper : Object3D { + public PlaneHelper() : base("PlaneHelper") + { + } + /// - /// Helper object to visualize a . - /// This object inherits from - /// Wrapper for three.js PlaneHelper + /// Constructor with parameters /// - /// - public sealed class PlaneHelper : Object3D + /// The to visualize. + /// Side length of plane helper. Default is 1. + /// The color of the helper. Default is "0xffff00". + public PlaneHelper(Plane plane = null!, double size = 1, string color = "0xffff00") : this() { - public PlaneHelper() : base("PlaneHelper") - { - } - - /// - /// Constructor with parameters - /// - /// The to visualize. - /// Side length of plane helper. Default is 1. - /// The color of the helper. Default is "0xffff00". - public PlaneHelper(Plane plane = null!, double size = 1, string color = "0xffff00") : this() - { - Plane = plane ?? new Plane(); - Size = size; - Color = color; - } + Plane = plane ?? new Plane(); + Size = size; + Color = color; + } - /// - /// The to visualize. - /// - public Plane Plane { get; set; } = new Plane(); + /// + /// The to visualize. + /// + public Plane Plane { get; set; } = new Plane(); - /// - /// Side length of plane helper. Default is 1. - /// - public double Size { get; set; } = 1; + /// + /// Side length of plane helper. Default is 1. + /// + public double Size { get; set; } = 1; - /// - /// The color of the helper. Default is "0xffff00". - /// - public string Color { get; set; } = "0xffff00"; - } -} + /// + /// The color of the helper. Default is "0xffff00". + /// + public string Color { get; set; } = "0xffff00"; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/PointLightHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/PointLightHelper.cs index a0d0a10..2f5964a 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/PointLightHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/PointLightHelper.cs @@ -1,46 +1,41 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Lights; -using HomagGroup.Blazor3D.Objects; +namespace HomagGroup.Blazor3D.Helpers; -namespace HomagGroup.Blazor3D.Helpers +/// +/// This displays a helper object consisting of a spherical for visualizing a . +/// This object inherits from +/// Wrapper for three.js PointLightHelper +/// +public sealed class PointLightHelper : Object3D { + public PointLightHelper() : base("PointLightHelper") + { + } + /// - /// This displays a helper object consisting of a spherical for visualizing a . - /// This object inherits from - /// Wrapper for three.js PointLightHelper + /// Constructor with parameters /// - public sealed class PointLightHelper : Object3D + /// The light to be visualized. Must be already added to the scene. + /// The size of the sphere helper. Default is 1. + /// The size of the sphere helper. If color is not set, the helper will take the color of the light. + public PointLightHelper(PointLight light = null!, double sphereSize = 1, string color = null!) : this() { - public PointLightHelper() : base("PointLightHelper") - { - } - - /// - /// Constructor with parameters - /// - /// The light to be visualized. Must be already added to the scene. - /// The size of the sphere helper. Default is 1. - /// The size of the sphere helper. If color is not set, the helper will take the color of the light. - public PointLightHelper(PointLight light = null!, double sphereSize = 1, string color = null!) : this() - { - Light = light ?? new PointLight(); - SphereSize = sphereSize; - Color = color; - } + Light = light ?? new PointLight(); + SphereSize = sphereSize; + Color = color; + } - /// - /// The light to be visualized. Must be already added to the scene. - /// - public PointLight Light { get; set; } = new PointLight(); + /// + /// The light to be visualized. Must be already added to the scene. + /// + public PointLight Light { get; set; } = new PointLight(); - /// - /// The size of the sphere helper. Default is 1. - /// - public double SphereSize { get; set; } = 1; + /// + /// The size of the sphere helper. Default is 1. + /// + public double SphereSize { get; set; } = 1; - /// - /// The size of the sphere helper. If color is not set, the helper will take the color of the light. - /// - public string Color { get; set; } = null!; - } -} + /// + /// The size of the sphere helper. If color is not set, the helper will take the color of the light. + /// + public string Color { get; set; } = null!; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs index eda5190..f1eec18 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs @@ -1,63 +1,59 @@ -using HomagGroup.Blazor3D.Core; - - -namespace HomagGroup.Blazor3D.Helpers +namespace HomagGroup.Blazor3D.Helpers; + +/// +/// The PolarGridHelper is an object to define polar grids. Grids are two-dimensional arrays of lines. +/// This object inherits from +/// Wrapper for three.js PolarGridHelper +/// +/// +public class PolarGridHelper : Object3D { - /// - /// The PolarGridHelper is an object to define polar grids. Grids are two-dimensional arrays of lines. - /// This object inherits from - /// Wrapper for three.js PolarGridHelper - /// - /// - public class PolarGridHelper : Object3D + public PolarGridHelper() : base("PolarGridHelper") { - public PolarGridHelper() : base("PolarGridHelper") - { - } + } - public PolarGridHelper( - double radius = 10, - int radials = 16, - int circles = 8, - int divisions = 64, - string color1 = "0x444444", - string color2 = "0x888888") : this() - { - Radius = radius; - Radials = radials; - Circles = circles; - Divisions = divisions; - Color1 = color1; - Color2 = color2; - } + public PolarGridHelper( + double radius = 10, + int radials = 16, + int circles = 8, + int divisions = 64, + string color1 = "0x444444", + string color2 = "0x888888") : this() + { + Radius = radius; + Radials = radials; + Circles = circles; + Divisions = divisions; + Color1 = color1; + Color2 = color2; + } - /// - /// The radius of the polar grid. This can be any positive number. Default is 10. - /// - public double Radius { get; set; } = 10; + /// + /// The radius of the polar grid. This can be any positive number. Default is 10. + /// + public double Radius { get; set; } = 10; - /// - /// The number of radial lines. This can be any positive integer. Default is 16. - /// - public int Radials { get; set; } = 16; + /// + /// The number of radial lines. This can be any positive integer. Default is 16. + /// + public int Radials { get; set; } = 16; - /// - /// The number of circles. This can be any positive integer. Default is 8. - /// - public int Circles { get; set; } = 8; - /// - /// The number of line segments used for each circle. This can be any positive integer that is 3 or greater. Default is 64. - /// - public int Divisions { get; set; } = 64; + /// + /// The number of circles. This can be any positive integer. Default is 8. + /// + public int Circles { get; set; } = 8; + /// + /// The number of line segments used for each circle. This can be any positive integer that is 3 or greater. Default is 64. + /// + public int Divisions { get; set; } = 64; - /// - /// The first color used for grid elements. This can be a Color, a hexadecimal value and an CSS-Color name. Default is "0x444444". - /// - public string Color1 { get; set; } = "0x444444"; + /// + /// The first color used for grid elements. This can be a Color, a hexadecimal value and an CSS-Color name. Default is "0x444444". + /// + public string Color1 { get; set; } = "0x444444"; - /// - /// The second color used for grid elements. This can be a Color, a hexadecimal value and an CSS-Color name. Default is 0x888888 - /// - public string Color2 { get; set; } = "0x888888"; - } -} + /// + /// The second color used for grid elements. This can be a Color, a hexadecimal value and an CSS-Color name. Default is 0x888888 + /// + public string Color2 { get; set; } = "0x888888"; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj b/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj index d337a0d..38be3cd 100644 --- a/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj +++ b/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj @@ -1,12 +1,13 @@  - - net6.0 - enable - enable - True - ..\..\..\..\doc\HomagGroup.Blazor3D.xml - + + net6.0 + enable + latest + enable + True + ..\..\..\..\doc\HomagGroup.Blazor3D.xml + Blazor3D @@ -14,29 +15,30 @@ Blazor3D, three.js, Blazor, Razor, Homag-Group, Homag, HomagGroup git https://github.com/HomagGroup/HomagGroup.Blazor3D-Core - This Razor class library (RCL) contains the Blazor component which allows you create 3D scenes inside your Blazor application. -This Blazor3D component uses three.js library to display 3D scenes on html canvas. -See examples of using here https://github.com/HomagGroup/HomagGroup.Blazor3D + + This Razor class library (RCL) contains the Blazor component which allows you create 3D scenes inside your Blazor application. + This Blazor3D component uses three.js library to display 3D scenes on html canvas. + See examples of using here https://github.com/HomagGroup/HomagGroup.Blazor3D Blazor3D - - - 1701;1702;1591 - - - 1701;1702;1591 - + + 1701;1702;1591 + + + + 1701;1702;1591 + - - - + + + - - - - + + + + - + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Lights/AmbientLight.cs b/src/dotnet/Blazor3D/Blazor3D/Lights/AmbientLight.cs index ef6a118..04228fc 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Lights/AmbientLight.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Lights/AmbientLight.cs @@ -1,17 +1,16 @@ -namespace HomagGroup.Blazor3D.Lights +namespace HomagGroup.Blazor3D.Lights; + +/// +/// This light globally illuminates all objects in the scene equally. +/// This light cannot be used to cast shadows as it does not have a direction. +/// This class inherits from +/// Wrapper for three.js AmbientLight +/// +/// +public sealed class AmbientLight : Light { - /// - /// This light globally illuminates all objects in the scene equally. - /// This light cannot be used to cast shadows as it does not have a direction. - /// This class inherits from - /// Wrapper for three.js AmbientLight - /// - /// - public sealed class AmbientLight : Light + public AmbientLight() : base("AmbientLight") { - public AmbientLight() : base("AmbientLight") - { - Intensity = 0.6f; - } + Intensity = 0.6f; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Lights/Light.cs b/src/dotnet/Blazor3D/Blazor3D/Lights/Light.cs index dd0198c..87d9604 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Lights/Light.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Lights/Light.cs @@ -1,28 +1,25 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Lights; -namespace HomagGroup.Blazor3D.Lights +/// +/// Abstract base class for lights. +/// Wrapper for three.js Light +/// +/// +public abstract class Light : Object3D { - /// - /// Abstract base class for lights. - /// Wrapper for three.js Light - /// - /// - public abstract class Light : Object3D + protected Light(string type = "Light") : base(type) { - protected Light(string type = "Light") : base(type) - { - } + } - /// - /// Light color. - /// You can use web color values to set up required color. - /// Default value is "white" - /// - public string Color { get; set; } = "white"; + /// + /// Light color. + /// You can use web color values to set up required color. + /// Default value is "white" + /// + public string Color { get; set; } = "white"; - /// - /// Value of the light's strength/intensity. Default is 1. - /// - public double Intensity { get; set; } = 1; - } -} + /// + /// Value of the light's strength/intensity. Default is 1. + /// + public double Intensity { get; set; } = 1; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs b/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs index bc8064f..3afb089 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs @@ -1,29 +1,28 @@ -namespace HomagGroup.Blazor3D.Lights +namespace HomagGroup.Blazor3D.Lights; + +/// +/// A light that gets emitted from a single point in all directions. A common use case for this is to replicate the light emitted from a bare lightbulb. +/// This light can cast shadows +/// This class inherits from +/// Wrapper for three.js PointLight +/// +/// +public sealed class PointLight : Light { - /// - /// A light that gets emitted from a single point in all directions. A common use case for this is to replicate the light emitted from a bare lightbulb. - /// This light can cast shadows - /// This class inherits from - /// Wrapper for three.js PointLight - /// - /// - public sealed class PointLight : Light + public PointLight() : base("PointLight") { - public PointLight() : base("PointLight") - { - } - /// - /// When distance value is NOT 0, light will attenuate linearly from maximum intensity at the light's position down to zero at this distance from the light. - /// When distance is zero, light does not attenuate. - /// Default is 0. - /// - public double Distance { get; set; } = 0; - - /// - /// The amount the light dims along the distance of the light - /// Default is 1. - /// - public double Decay { get; set; } = 1; } -} + /// + /// When distance value is NOT 0, light will attenuate linearly from maximum intensity at the light's position down to zero at this distance from the light. + /// When distance is zero, light does not attenuate. + /// Default is 0. + /// + public double Distance { get; set; } = 0; + + /// + /// The amount the light dims along the distance of the light + /// Default is 1. + /// + public double Decay { get; set; } = 1; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs b/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs index 95763ee..83f6c75 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs @@ -1,32 +1,31 @@ -namespace HomagGroup.Blazor3D.Materials +namespace HomagGroup.Blazor3D.Materials; + +/// +/// A material for drawing wireframe-style geometries. +/// +public class LineBasicMaterial : Material { /// - /// A material for drawing wireframe-style geometries. + /// Default constructor /// - public class LineBasicMaterial : Material + public LineBasicMaterial() : base("LineBasicMaterial") { - /// - /// Default constructor - /// - public LineBasicMaterial() : base("LineBasicMaterial") - { - } + } - /// - /// Define appearance of line ends. Possible values are 'butt', 'round' and 'square'. Default is 'round'. - /// - public string LineCap { get; set; } = "round";// todo: deal with enum + /// + /// Define appearance of line ends. Possible values are 'butt', 'round' and 'square'. Default is 'round'. + /// + public string LineCap { get; set; } = "round";// todo: deal with enum - /// - /// Define appearance of line joints. Possible values are 'round', 'bevel' and 'miter'. Default is 'round'. - /// - public string LineJoin { get; set; } = "round";// todo: deal with enum + /// + /// Define appearance of line joints. Possible values are 'round', 'bevel' and 'miter'. Default is 'round'. + /// + public string LineJoin { get; set; } = "round";// todo: deal with enum - /// - /// Controls line thickness. Default is 1. - /// Due to limitations of the OpenGL Core Profile with the WebGL renderer on most platforms linewidth will always be 1 regardless of the set value. - /// - public double LineWidth { get; set; } = 1; - } -} + /// + /// Controls line thickness. Default is 1. + /// Due to limitations of the OpenGL Core Profile with the WebGL renderer on most platforms linewidth will always be 1 regardless of the set value. + /// + public double LineWidth { get; set; } = 1; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs b/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs index c72dc4a..26cdde1 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs @@ -1,59 +1,58 @@ -namespace HomagGroup.Blazor3D.Materials +namespace HomagGroup.Blazor3D.Materials; + +/// +/// Abstract base class for materials. +/// Materials describe the appearance of objects. They are defined in a mostly renderer-independent way, so you don't have to rewrite materials if you decide to use a different renderer. +/// Wrapper for three.js Material +/// +public abstract class Material { - /// - /// Abstract base class for materials. - /// Materials describe the appearance of objects. They are defined in a mostly renderer-independent way, so you don't have to rewrite materials if you decide to use a different renderer. - /// Wrapper for three.js Material - /// - public abstract class Material + protected Material(string type) { - protected Material(string type) - { Type = type; } - public string Type { get; } = "Material"; - - /// - /// Light color. - /// You can use web color values to set up required color. - /// Default value is "orange" - /// - public string Color { get; set; } = "orange"; - - /// - /// Optional name of the object. Default is an empty string. It has not to be unique. - /// - public string Name { get; set; } = string.Empty; - - /// - /// Universal unique identifier of this object instance. It's automatically assigned Guid, so it shouldn't be edited. - /// - public Guid Uuid { get; set; } = Guid.NewGuid(); - - /// - /// Defines whether this material is transparent. This has an effect on rendering as transparent objects need special treatment and are rendered after non-transparent objects. - /// When set to true, the extent to which the material is transparent is controlled by setting its opacity property. - /// Default is false. - /// - public bool Transparent { get; set; } - - /// - /// Float in the range of 0.0 - 1.0 indicating how transparent the material is. A value of 0.0 indicates fully transparent, 1.0 is fully opaque. - /// If the material's transparent property is not set to true, the material will remain fully opaque and this value will only affect its color. - /// Default is 1.0. - /// - public double Opacity { get; set; } = 1; - - /// - /// Wether to have depth test enabled when rendering this material. Default is true. - /// - public bool DepthTest { get; set; } = true; - - /// - /// Wether rendering this material has any affect on the depth buffer. Default is true. - /// When drawing 2D overlays it can be useful to disable the depth writing in order to layer several things together without creating z-index artifacts. - /// - public bool DepthWrite { get; set; } = true; - } -} + public string Type { get; } = "Material"; + + /// + /// Light color. + /// You can use web color values to set up required color. + /// Default value is "orange" + /// + public string Color { get; set; } = "orange"; + + /// + /// Optional name of the object. Default is an empty string. It has not to be unique. + /// + public string Name { get; set; } = string.Empty; + + /// + /// Universal unique identifier of this object instance. It's automatically assigned Guid, so it shouldn't be edited. + /// + public Guid Uuid { get; set; } = Guid.NewGuid(); + + /// + /// Defines whether this material is transparent. This has an effect on rendering as transparent objects need special treatment and are rendered after non-transparent objects. + /// When set to true, the extent to which the material is transparent is controlled by setting its opacity property. + /// Default is false. + /// + public bool Transparent { get; set; } + + /// + /// Float in the range of 0.0 - 1.0 indicating how transparent the material is. A value of 0.0 indicates fully transparent, 1.0 is fully opaque. + /// If the material's transparent property is not set to true, the material will remain fully opaque and this value will only affect its color. + /// Default is 1.0. + /// + public double Opacity { get; set; } = 1; + + /// + /// Wether to have depth test enabled when rendering this material. Default is true. + /// + public bool DepthTest { get; set; } = true; + + /// + /// Wether rendering this material has any affect on the depth buffer. Default is true. + /// When drawing 2D overlays it can be useful to disable the depth writing in order to layer several things together without creating z-index artifacts. + /// + public bool DepthWrite { get; set; } = true; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs b/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs index 47256d8..00adffb 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs @@ -1,44 +1,43 @@ using HomagGroup.Blazor3D.Textures; -namespace HomagGroup.Blazor3D.Materials +namespace HomagGroup.Blazor3D.Materials; + +/// +/// A standard physically based Material, using Metallic-Roughness workflow. +/// This class inherits from +/// Wrapper for three.js MeshStandardMaterial +/// +/// +public sealed class MeshStandardMaterial : Material { - /// - /// A standard physically based Material, using Metallic-Roughness workflow. - /// This class inherits from - /// Wrapper for three.js MeshStandardMaterial - /// - /// - public sealed class MeshStandardMaterial : Material - { - public MeshStandardMaterial() : base("MeshStandardMaterial") - { - - } - - /// - /// Define whether the material is rendered with flat shading. Default is false. - /// - public bool FlatShading { get; set; } = false; - - /// - /// How much the material is like a metal. Non-metallic materials such as wood or stone use 0.0, metallic use 1.0, with nothing (usually) in between. Default is 0.0. A value between 0.0 and 1.0 could be used for a rusty metal look. If metalnessMap is also provided, both values are multiplied. - /// - public double Metalness { get; set; } = 0; - - /// - /// How rough the material appears. 0.0 means a smooth mirror reflection, 1.0 means fully diffuse. Default is 1.0. If roughnessMap is also provided, both values are multiplied. - /// - public double Roughness { get; set; } = 1; - - /// - /// Render geometry as wireframe. Default is false (i.e. render as flat polygons). - /// - public bool Wireframe { get; set; } = false; - - /// - /// The color map. May optionally include an alpha channel, typically combined with Transparent (todo) or AlphaTest(todo). Default is null. The texture map color is modulated by the diffuse Color. - /// - public Texture Map { get; set; } = new Texture(); + public MeshStandardMaterial() : base("MeshStandardMaterial") + { + } -} + + /// + /// Define whether the material is rendered with flat shading. Default is false. + /// + public bool FlatShading { get; set; } = false; + + /// + /// How much the material is like a metal. Non-metallic materials such as wood or stone use 0.0, metallic use 1.0, with nothing (usually) in between. Default is 0.0. A value between 0.0 and 1.0 could be used for a rusty metal look. If metalnessMap is also provided, both values are multiplied. + /// + public double Metalness { get; set; } = 0; + + /// + /// How rough the material appears. 0.0 means a smooth mirror reflection, 1.0 means fully diffuse. Default is 1.0. If roughnessMap is also provided, both values are multiplied. + /// + public double Roughness { get; set; } = 1; + + /// + /// Render geometry as wireframe. Default is false (i.e. render as flat polygons). + /// + public bool Wireframe { get; set; } = false; + + /// + /// The color map. May optionally include an alpha channel, typically combined with Transparent (todo) or AlphaTest(todo). Default is null. The texture map color is modulated by the diffuse Color. + /// + public Texture Map { get; set; } = new Texture(); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs b/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs index d2ddc26..398796a 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs @@ -1,34 +1,32 @@ -using HomagGroup.Blazor3D.Maths; -using HomagGroup.Blazor3D.Textures; +using HomagGroup.Blazor3D.Textures; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; -namespace HomagGroup.Blazor3D.Materials +namespace HomagGroup.Blazor3D.Materials; + +public class SpriteMaterial : Material { - public class SpriteMaterial : Material + public SpriteMaterial() : base("SpriteMaterial") { - public SpriteMaterial() : base("SpriteMaterial") - { - } + } - /// - /// The color map. May optionally include an alpha channel, typically combined with Transparent (todo) or AlphaTest(todo). Default is null. The texture map color is modulated by the diffuse Color. - /// - public Texture Map { get; set; } = new Texture(); + /// + /// The color map. May optionally include an alpha channel, typically combined with Transparent (todo) or AlphaTest(todo). Default is null. The texture map color is modulated by the diffuse Color. + /// + public Texture Map { get; set; } = new Texture(); - /// - /// Whether the size of the sprite is attenuated by the camera depth. (Perspective camera only.) - /// Default is true. - /// - public bool SizeAttenuation { get; set; } = true; + /// + /// Whether the size of the sprite is attenuated by the camera depth. (Perspective camera only.) + /// Default is true. + /// + public bool SizeAttenuation { get; set; } = true; - /// - /// The rotation of the sprite in radians. Default is 0. - /// - public double Rotation { get; set; } = 0; + /// + /// The rotation of the sprite in radians. Default is 0. + /// + public double Rotation { get; set; } = 0; - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs b/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs index 629ac8f..7fdc5dd 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs @@ -1,28 +1,27 @@ -namespace HomagGroup.Blazor3D.Maths +namespace HomagGroup.Blazor3D.Maths; + +/// +/// Representing Euler Angles. +/// Euler angles describe a rotational transformation by rotating an object on its various axes in specified amounts per axis, and a specified axis order. +/// Iterating through a Euler instance will yield its components (x, y, z, order) in the corresponding order. +/// Wrapper for three.js Euler +/// +public sealed class Euler { /// - /// Representing Euler Angles. - /// Euler angles describe a rotational transformation by rotating an object on its various axes in specified amounts per axis, and a specified axis order. - /// Iterating through a Euler instance will yield its components (x, y, z, order) in the corresponding order. - /// Wrapper for three.js Euler + /// The double angle of the X axis in radians. Default is 0. Optional. /// - public sealed class Euler - { - /// - /// The double angle of the X axis in radians. Default is 0. Optional. - /// - public double X { get; set; } - /// - /// The double angle of the Y axis in radians. Default is 0. Optional. - /// - public double Y { get; set; } - /// - /// The double angle of the Z axis in radians. Default is 0. Optional. - /// - public double Z { get; set; } - /// - /// String representing the order that the rotations are applied. Default is 'XYZ'. Must be upper case. - /// - public string Order { get; set; } = "XYZ"; - } -} + public double X { get; set; } + /// + /// The double angle of the Y axis in radians. Default is 0. Optional. + /// + public double Y { get; set; } + /// + /// The double angle of the Z axis in radians. Default is 0. Optional. + /// + public double Z { get; set; } + /// + /// String representing the order that the rotations are applied. Default is 'XYZ'. Must be upper case. + /// + public string Order { get; set; } = "XYZ"; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs b/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs index b459ab4..dfc7174 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs @@ -1,35 +1,34 @@ -namespace HomagGroup.Blazor3D.Maths +namespace HomagGroup.Blazor3D.Maths; + +/// +/// A two dimensional surface that extends infinitely in 3d space, represented in Hessian normal form by a unit length normal vector and a constant. +/// Wrapper for three.js Plane +/// +public sealed class Plane { - /// - /// A two dimensional surface that extends infinitely in 3d space, represented in Hessian normal form by a unit length normal vector and a constant. - /// Wrapper for three.js Plane - /// - public sealed class Plane + public Plane() { - public Plane() - { - } + } - /// - /// Constructor with parameters. - /// - /// A unit length Vector3 defining the normal of the plane. Default is (1, 0, 0). - /// The signed distance from the origin to the plane. Default is 0. - public Plane(Vector3 normal = null!, double constant = 0) - { - Normal = normal ?? new Vector3(1, 0, 0); - Constant = constant; - } + /// + /// Constructor with parameters. + /// + /// A unit length Vector3 defining the normal of the plane. Default is (1, 0, 0). + /// The signed distance from the origin to the plane. Default is 0. + public Plane(Vector3 normal = null!, double constant = 0) + { + Normal = normal ?? new Vector3(1, 0, 0); + Constant = constant; + } - /// - /// A unit length Vector3 defining the normal of the plane. Default is (1, 0, 0). - /// - public Vector3 Normal { get; set; } = new Vector3(1, 0, 0); + /// + /// A unit length Vector3 defining the normal of the plane. Default is (1, 0, 0). + /// + public Vector3 Normal { get; set; } = new Vector3(1, 0, 0); - /// - /// The signed distance from the origin to the plane. Default is 0. - /// - public double Constant { get; set; } = 0; - } -} + /// + /// The signed distance from the origin to the plane. Default is 0. + /// + public double Constant { get; set; } = 0; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs b/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs index a2dfadf..853b0f0 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs @@ -1,38 +1,37 @@ -namespace HomagGroup.Blazor3D.Maths +namespace HomagGroup.Blazor3D.Maths; + +/// +/// Class representing a 2D vector. A 2D vector is an ordered pair of numbers (labeled x and y), which can be used to represent a number of things, such as point in 2D space, direction or any ordered pair of numbers. +/// Wrapper for three.js Vector2 +/// +public sealed class Vector2 { /// - /// Class representing a 2D vector. A 2D vector is an ordered pair of numbers (labeled x and y), which can be used to represent a number of things, such as point in 2D space, direction or any ordered pair of numbers. - /// Wrapper for three.js Vector2 + /// Default constructor. /// - public sealed class Vector2 + public Vector2() { - /// - /// Default constructor. - /// - public Vector2() - { } - /// - /// Constructor with parameters. - /// - /// double X value of this vector. Default is 0. - /// double Y value of this vector. Default is 0. - public Vector2(double x, double y) - { + /// + /// Constructor with parameters. + /// + /// double X value of this vector. Default is 0. + /// double Y value of this vector. Default is 0. + public Vector2(double x, double y) + { X = x; Y = y; } - /// - /// double X value of this vector. Default is 0. - /// - public double X { get; set; } + /// + /// double X value of this vector. Default is 0. + /// + public double X { get; set; } - /// - /// double Y value of this vector. Default is 0. - /// - public double Y { get; set; } - } -} + /// + /// double Y value of this vector. Default is 0. + /// + public double Y { get; set; } +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs b/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs index 37bb2f1..adf04fd 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs @@ -1,51 +1,50 @@ -namespace HomagGroup.Blazor3D.Maths +namespace HomagGroup.Blazor3D.Maths; + +/// +/// Class representing a 3D vector. A 3D vector is an ordered triplet of numbers (labeled x, y, and z), +/// which can be used to represent a number of things, such as: +///
    +///
  • A point in 3D space.
    • +///
  • A direction, length or scale in 3D space.
    • +///
  • Any arbitrary ordered triplet of numbers.
    • +///
+/// Wrapper for three.js Vector3 +/// +public sealed class Vector3 { /// - /// Class representing a 3D vector. A 3D vector is an ordered triplet of numbers (labeled x, y, and z), - /// which can be used to represent a number of things, such as: - ///
    - ///
  • A point in 3D space.
    • - ///
  • A direction, length or scale in 3D space.
    • - ///
  • Any arbitrary ordered triplet of numbers.
    • - ///
- /// Wrapper for three.js Vector3 + /// Default constructor. /// - public sealed class Vector3 + public Vector3() { - /// - /// Default constructor. - /// - public Vector3() - { } - /// - /// Constructor with parameters. - /// - /// double X value of this vector. Default is 0. - /// double Y value of this vector. Default is 0. - /// double Z value of this vector. Default is 0. - public Vector3(double x, double y, double z) - { + /// + /// Constructor with parameters. + /// + /// double X value of this vector. Default is 0. + /// double Y value of this vector. Default is 0. + /// double Z value of this vector. Default is 0. + public Vector3(double x, double y, double z) + { X = x; Y = y; Z = z; } - /// - /// double X value of this vector. Default is 0. - /// - public double X { get; set; } + /// + /// double X value of this vector. Default is 0. + /// + public double X { get; set; } - /// - /// double Y value of this vector. Default is 0. - /// - public double Y { get; set; } + /// + /// double Y value of this vector. Default is 0. + /// + public double Y { get; set; } - /// - /// double Z value of this vector. Default is 0. - /// - public double Z { get; set; } - } -} + /// + /// double Z value of this vector. Default is 0. + /// + public double Z { get; set; } +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Group.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Group.cs index b65d542..e648dc4 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Group.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Group.cs @@ -1,17 +1,14 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Objects; -namespace HomagGroup.Blazor3D.Objects +/// +/// This is almost identical to an . Its purpose is to make working with groups of objects syntactically clearer. +/// This object inherits from +/// Wrapper for three.js Group +/// +/// +public sealed class Group : Object3D { - /// - /// This is almost identical to an . Its purpose is to make working with groups of objects syntactically clearer. - /// This object inherits from - /// Wrapper for three.js Group - /// - /// - public sealed class Group : Object3D + public Group() : base("Group") { - public Group() : base("Group") - { - } } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs index 7d03f2f..acd5149 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs @@ -1,22 +1,19 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Geometires; +using HomagGroup.Blazor3D.Geometires; using HomagGroup.Blazor3D.Geometires.Lines; -using HomagGroup.Blazor3D.Materials; -namespace HomagGroup.Blazor3D.Objects +namespace HomagGroup.Blazor3D.Objects; + +public class Line : Object3D { - public class Line : Object3D - { - public Line() : base("Line") { } + public Line() : base("Line") { } - /// - /// Collection of (or derived classes) materials, defining the object's appearance. - /// - public Material Material { get; set; } = new LineBasicMaterial(); + /// + /// Collection of (or derived classes) materials, defining the object's appearance. + /// + public Material Material { get; set; } = new LineBasicMaterial(); - /// - /// An instance of (or derived classes), defining the object's structure. - /// - public BufferGeometry Geometry { get; set; } = new LineGeometry(); - } -} + /// + /// An instance of (or derived classes), defining the object's structure. + /// + public BufferGeometry Geometry { get; set; } = new LineGeometry(); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs index d7c681d..53e4a23 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs @@ -1,41 +1,38 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Geometires; -using HomagGroup.Blazor3D.Materials; +using HomagGroup.Blazor3D.Geometires; -namespace HomagGroup.Blazor3D.Objects +namespace HomagGroup.Blazor3D.Objects; + +/// +/// Class representing triangulated polygon mesh based objects. Also serves as a base for other classes. +/// This object inherits from +/// Wrapper for three.js Mesh +/// +/// +public class Mesh : Object3D { - /// - /// Class representing triangulated polygon mesh based objects. Also serves as a base for other classes. - /// This object inherits from - /// Wrapper for three.js Mesh - /// - /// - public class Mesh : Object3D + public Mesh() : base("Mesh") { - public Mesh() : base("Mesh") - { - } + } - protected Mesh(string type) : base(type) - { + protected Mesh(string type) : base(type) + { - } + } - //TODO: make Array of materials - /// - /// Collection of (or derived classes) materials, defining the object's appearance. - /// - public Material Material { get; set; } = new MeshStandardMaterial(); + //TODO: make Array of materials + /// + /// Collection of (or derived classes) materials, defining the object's appearance. + /// + public Material Material { get; set; } = new MeshStandardMaterial(); - /// - /// An instance of (or derived classes), defining the object's structure. - /// - public BufferGeometry Geometry { get; set; } = new BoxGeometry(); + /// + /// An instance of (or derived classes), defining the object's structure. + /// + public BufferGeometry Geometry { get; set; } = new BoxGeometry(); - /// - /// Material to draw edges with EdgesGeometry. If not specified, no edges will be drawn. - /// - public LineBasicMaterial EdgesMaterial { get; set; } = null!; - } -} + /// + /// Material to draw edges with EdgesGeometry. If not specified, no edges will be drawn. + /// + public LineBasicMaterial EdgesMaterial { get; set; } = null!; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs index b1ecfdb..f38f234 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs @@ -1,39 +1,35 @@ -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Geometires; -using HomagGroup.Blazor3D.Materials; -using HomagGroup.Blazor3D.Maths; +using HomagGroup.Blazor3D.Geometires; using HomagGroup.Blazor3D.Textures; -namespace HomagGroup.Blazor3D.Objects +namespace HomagGroup.Blazor3D.Objects; + +/// +/// Class representing triangulated polygon mesh based objects. Also serves as a base for other classes. +/// This object inherits from +/// Wrapper for three.js Mesh +/// +/// +public class Sprite : Object3D { - /// - /// Class representing triangulated polygon mesh based objects. Also serves as a base for other classes. - /// This object inherits from - /// Wrapper for three.js Mesh - /// - /// - public class Sprite : Object3D + public Sprite() : base("Sprite") { - public Sprite() : base("Sprite") - { - } + } - protected Sprite(string type) : base(type) - { + protected Sprite(string type) : base(type) + { - } + } - /// - /// Collection of (or derived classes) materials, defining the object's appearance. - /// - public SpriteMaterial Material { get; set; } = new SpriteMaterial(); + /// + /// Collection of (or derived classes) materials, defining the object's appearance. + /// + public SpriteMaterial Material { get; set; } = new SpriteMaterial(); - /// - /// The sprite's anchor point, and the point around which the sprite rotates. A value of (0.5,0.5) - /// coresponds to the midpoint of the sprite. A value of (0,0) corresponds to the lower left corner of the sprite. - /// The default is (0.5,0.5) - /// - public Vector2 Center { get; set; } = new Vector2(0.5,0.5); - } -} + /// + /// The sprite's anchor point, and the point around which the sprite rotates. A value of (0.5,0.5) + /// coresponds to the midpoint of the sprite. A value of (0,0) corresponds to the lower left corner of the sprite. + /// The default is (0.5,0.5) + /// + public Vector2 Center { get; set; } = new Vector2(0.5,0.5); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs index e02d71a..111bb53 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs @@ -1,10 +1,9 @@ -namespace HomagGroup.Blazor3D.Objects +namespace HomagGroup.Blazor3D.Objects; + +public class Text : Mesh { - public class Text : Mesh + public Text() : base("Text") { - public Text() : base("Text") - { - } } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs b/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs index e0908b5..ef939be 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs @@ -1,26 +1,23 @@ -using HomagGroup.Blazor3D.Core; +namespace HomagGroup.Blazor3D.Scenes; -namespace HomagGroup.Blazor3D.Scenes +/// +/// Scenes allow you to set up what and where is to be rendered by HomagGroup.Blazor3D. +/// This is the place where you put your 3D objects and lights. +/// This object inherits from +/// Wrapper for three.js Scene +/// +/// +public sealed class Scene : Object3D { - /// - /// Scenes allow you to set up what and where is to be rendered by HomagGroup.Blazor3D. - /// This is the place where you put your 3D objects and lights. - /// This object inherits from - /// Wrapper for three.js Scene - /// - /// - public sealed class Scene : Object3D + public Scene() : base("Scene") { - public Scene() : base("Scene") - { - - } - /// - /// Scene background color. - /// You can use web color values to set up required color. - /// Default value is "DarkSlateBlue"> - /// - public string BackGroundColor { get; set; } = "DarkSlateBlue"; } -} + + /// + /// Scene background color. + /// You can use web color values to set up required color. + /// Default value is "DarkSlateBlue"> + /// + public string BackGroundColor { get; set; } = "DarkSlateBlue"; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateObject3DSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateObject3DSettings.cs index f556ad7..d8de1d0 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateObject3DSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateObject3DSettings.cs @@ -1,5 +1,3 @@ -using HomagGroup.Blazor3D.Maths; - namespace HomagGroup.Blazor3D.Settings; /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs index 668fd31..7da3edd 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs @@ -1,58 +1,55 @@ -using HomagGroup.Blazor3D.Maths; +namespace HomagGroup.Blazor3D.Settings; -namespace HomagGroup.Blazor3D.Settings +/// +/// Settings used for animated rotations. +/// +public sealed class AnimateRotationSettings { - /// - /// Settings used for animated rotations. - /// - public sealed class AnimateRotationSettings + public AnimateRotationSettings() { - public AnimateRotationSettings() - { - } + } - /// - /// Constructor with parameters - /// - /// The option indicates whether the rotation animation should be applied. Default is false. - /// The angle in degreees to rotate around the X axis on each animation frame. Default is 0.1. - /// The angle in degreees to rotate around the Y axis on each animation frame. Default is 0.1. - /// The angle in degreees to rotate around the Z axis on each animation frame. Default is 0.1. - /// Radius of rotation. Default is 5. - public AnimateRotationSettings(bool animateRotation = false, double thetaX = 0.1, double thetaY = 0.1, double thetaZ = 0.1, double radius = 5) - { - AnimateRotation = animateRotation; - ThetaX = thetaX; - ThetaY = thetaY; - ThetaZ = thetaZ; - Radius = radius; - } + /// + /// Constructor with parameters + /// + /// The option indicates whether the rotation animation should be applied. Default is false. + /// The angle in degreees to rotate around the X axis on each animation frame. Default is 0.1. + /// The angle in degreees to rotate around the Y axis on each animation frame. Default is 0.1. + /// The angle in degreees to rotate around the Z axis on each animation frame. Default is 0.1. + /// Radius of rotation. Default is 5. + public AnimateRotationSettings(bool animateRotation = false, double thetaX = 0.1, double thetaY = 0.1, double thetaZ = 0.1, double radius = 5) + { + AnimateRotation = animateRotation; + ThetaX = thetaX; + ThetaY = thetaY; + ThetaZ = thetaZ; + Radius = radius; + } - /// - /// The option indicates whether the rotation animation should be applied. Default is false. - /// - public bool AnimateRotation { get; set; } = false; + /// + /// The option indicates whether the rotation animation should be applied. Default is false. + /// + public bool AnimateRotation { get; set; } = false; - /// - /// The angle in degreees to rotate around the X axis on each animation frame. Default is 0.1. - /// - public double ThetaX { get; set; } = 0.1; - /// - /// The angle in degreees to rotate around the Y axis on each animation frame. Default is 0.1. - /// - public double ThetaY { get; set; } = 0.1; - /// - /// The angle in degreees to rotate around the Z axis on each animation frame. Default is 0.1. - /// - public double ThetaZ { get; set; } = 0.1; - /// - /// Radius of rotation. Default is 5. - /// - public double Radius { get; set; } = 5; - /// - /// Stops animation when user starts using orbit controls. Default is false. - /// - public bool StopAnimationOnOrbitControlMove { get; set; } = false; - } -} + /// + /// The angle in degreees to rotate around the X axis on each animation frame. Default is 0.1. + /// + public double ThetaX { get; set; } = 0.1; + /// + /// The angle in degreees to rotate around the Y axis on each animation frame. Default is 0.1. + /// + public double ThetaY { get; set; } = 0.1; + /// + /// The angle in degreees to rotate around the Z axis on each animation frame. Default is 0.1. + /// + public double ThetaZ { get; set; } = 0.1; + /// + /// Radius of rotation. Default is 5. + /// + public double Radius { get; set; } = 5; + /// + /// Stops animation when user starts using orbit controls. Default is false. + /// + public bool StopAnimationOnOrbitControlMove { get; set; } = false; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs index a334d5b..a6776ef 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs @@ -1,38 +1,31 @@ - -using HomagGroup.Blazor3D.Enums; -using HomagGroup.Blazor3D.Materials; -using Newtonsoft.Json; -using Newtonsoft.Json.Converters; +namespace HomagGroup.Blazor3D.Settings; -namespace HomagGroup.Blazor3D.Settings +/// +/// Settings that will be applied during 3D model file importing. +/// +public class ImportSettings { /// - /// Settings that will be applied during 3D model file importing. + /// format of 3D model. /// - public class ImportSettings - { - /// - /// format of 3D model. - /// - [JsonConverter(typeof(StringEnumConverter))] //todo: may be use serialization helper - public Import3DFormats Format { get; set; } - /// - /// URL of the 3D model file. - /// - public string FileURL { get; set; } = null!; - /// - /// URL of the texture file - /// - public string? TextureURL { get; set; } = null; - /// - /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. - /// - public Guid? Uuid { get; set; } = null; - /// - /// Material that will be applied to all loaded meshes. - /// Currently works only for STL format. - /// If not specified, the default is applied to the imported objects. - /// - public MeshStandardMaterial Material { get; set; } = null!; - } -} + [JsonConverter(typeof(StringEnumConverter))] //todo: may be use serialization helper + public Import3DFormats Format { get; set; } + /// + /// URL of the 3D model file. + /// + public string FileURL { get; set; } = null!; + /// + /// URL of the texture file + /// + public string? TextureURL { get; set; } = null; + /// + /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. + /// + public Guid? Uuid { get; set; } = null; + /// + /// Material that will be applied to all loaded meshes. + /// Currently works only for STL format. + /// If not specified, the default is applied to the imported objects. + /// + public MeshStandardMaterial Material { get; set; } = null!; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/SpriteImportSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/SpriteImportSettings.cs index 0ff5f4b..b43b8f6 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/SpriteImportSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/SpriteImportSettings.cs @@ -1,52 +1,46 @@ -using HomagGroup.Blazor3D.Enums; -using HomagGroup.Blazor3D.Materials; -using HomagGroup.Blazor3D.Maths; -using Newtonsoft.Json.Converters; -using System; +using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; -namespace HomagGroup.Blazor3D.Settings +namespace HomagGroup.Blazor3D.Settings; + +public class SpriteImportSettings { - public class SpriteImportSettings - { - /// - /// URL of the sprite image. - /// - public string FileURL { get; set; } = null!; - - /// - /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. - /// - public Guid? Uuid { get; set; } = null; - - /// - /// Material that will be applied to loaded sprites. - /// If not specified, the default is applied to the imported objects. - /// - public SpriteMaterial Material { get; set; } = null!; - - /// - /// Optional name of the object. Default is an empty string. It has not to be unique. - /// - public string Name { get; set; } = string.Empty; - - /// - /// A Vector3 representing the object's local position. Default is (0,0,0). - /// - public Vector3 Position { get; set; } = new Vector3(0, 0, 0); - - /// - /// Ojbect's local rotation - /// - public Euler Rotation { get; set; } = new Euler(); - - /// - /// The object's local scale. Default is a Vector3(1, 1, 1) - /// - public Vector3 Scale { get; set; } = new Vector3(1, 1, 1); - } - -} + /// + /// URL of the sprite image. + /// + public string FileURL { get; set; } = null!; + + /// + /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. + /// + public Guid? Uuid { get; set; } = null; + + /// + /// Material that will be applied to loaded sprites. + /// If not specified, the default is applied to the imported objects. + /// + public SpriteMaterial Material { get; set; } = null!; + + /// + /// Optional name of the object. Default is an empty string. It has not to be unique. + /// + public string Name { get; set; } = string.Empty; + + /// + /// A Vector3 representing the object's local position. Default is (0,0,0). + /// + public Vector3 Position { get; set; } = new Vector3(0, 0, 0); + + /// + /// Ojbect's local rotation + /// + public Euler Rotation { get; set; } = new Euler(); + + /// + /// The object's local scale. Default is a Vector3(1, 1, 1) + /// + public Vector3 Scale { get; set; } = new Vector3(1, 1, 1); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/ViewerSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/ViewerSettings.cs index f8c4bd2..87ce073 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/ViewerSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/ViewerSettings.cs @@ -1,41 +1,40 @@ using HomagGroup.Blazor3D.Viewers; -namespace HomagGroup.Blazor3D.Settings +namespace HomagGroup.Blazor3D.Settings; + +/// +/// Class for HomagGroup.Blazor3D Viewer settings. +/// +public sealed class ViewerSettings { /// - /// Class for HomagGroup.Blazor3D Viewer settings. + /// Identifier of the html container where instance will be created. + /// Must be unique on the html page! Default is "blazorview3d" /// - public sealed class ViewerSettings - { - /// - /// Identifier of the html container where instance will be created. - /// Must be unique on the html page! Default is "blazorview3d" - /// - public string ContainerId { get; set; } = "blazorview3d"; + public string ContainerId { get; set; } = "blazorview3d"; - /// - /// If true, user can select objects by mouse. Default is false. - /// - public bool CanSelect { get; set; } = false; + /// + /// If true, user can select objects by mouse. Default is false. + /// + public bool CanSelect { get; set; } = false; - /// - /// If true, the helpers can be selected by mouse. Default is false. - /// - public bool CanSelectHelpers { get; set; } = false; + /// + /// If true, the helpers can be selected by mouse. Default is false. + /// + public bool CanSelectHelpers { get; set; } = false; - /// - /// Color the selected element is highlighted. Default is "lime". - /// - public string SelectedColor { get; set; } = "lime"; + /// + /// Color the selected element is highlighted. Default is "lime". + /// + public string SelectedColor { get; set; } = "lime"; - /// - /// Show or hide ViewHelper - /// - public bool ShowViewHelper { get; set; } = true; + /// + /// Show or hide ViewHelper + /// + public bool ShowViewHelper { get; set; } = true; - /// - /// HomagGroup.Blazor3D Viewer WebGLRenderer settings - /// - public WebGLRendererSettings WebGLRendererSettings { get; set; } = new WebGLRendererSettings(); - } -} + /// + /// HomagGroup.Blazor3D Viewer WebGLRenderer settings + /// + public WebGLRendererSettings WebGLRendererSettings { get; set; } = new WebGLRendererSettings(); +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs index e8049b3..f2b3bc5 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs @@ -1,23 +1,22 @@ -namespace HomagGroup.Blazor3D.Settings +namespace HomagGroup.Blazor3D.Settings; + +/// +/// Class for HomagGroup.Blazor3D Viewer WebGLRenderer settings. +/// +public class WebGLRendererSettings { /// - /// Class for HomagGroup.Blazor3D Viewer WebGLRenderer settings. + /// Whether to perform antialiasing. Default is true. /// - public class WebGLRendererSettings - { - /// - /// Whether to perform antialiasing. Default is true. - /// - public bool Antialias { get; set; } = true; + public bool Antialias { get; set; } = true; - /// - /// controls the default clear alpha value. When set to true, the value is 0. Otherwise it's 1. Default is false. - /// - public bool Alpha { get; set; } = false; + /// + /// controls the default clear alpha value. When set to true, the value is 0. Otherwise it's 1. Default is false. + /// + public bool Alpha { get; set; } = false; - /// - /// whether the renderer will assume that colors have premultiplied alpha. Default is true. - /// - public bool PremultipliedAlpha { get; set; } = true; - } -} + /// + /// whether the renderer will assume that colors have premultiplied alpha. Default is true. + /// + public bool PremultipliedAlpha { get; set; } = true; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs b/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs index 5278eba..f5a4250 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs @@ -1,70 +1,66 @@ -using HomagGroup.Blazor3D.Enums; -using HomagGroup.Blazor3D.Maths; +namespace HomagGroup.Blazor3D.Textures; -namespace HomagGroup.Blazor3D.Textures +public class Texture { - public class Texture - { - public Texture() { } + public Texture() { } - protected Texture(string type) - { - Type = type; - } + protected Texture(string type) + { + Type = type; + } - public string Type { get; } = "Texture"; + public string Type { get; } = "Texture"; - /// - /// Optional name of the texture (doesn't need to be unique). Default is an empty string. - /// - public string Name { get; set; } = string.Empty; + /// + /// Optional name of the texture (doesn't need to be unique). Default is an empty string. + /// + public string Name { get; set; } = string.Empty; - /// - /// Universal unique identifier of this object instance. It's automatically assigned Guid, so it shouldn't be edited. - /// - public Guid Uuid { get; set; } = Guid.NewGuid(); + /// + /// Universal unique identifier of this object instance. It's automatically assigned Guid, so it shouldn't be edited. + /// + public Guid Uuid { get; set; } = Guid.NewGuid(); - /// - /// URL of the texture image file. - /// - public string TextureUrl { get; set; } = string.Empty; + /// + /// URL of the texture image file. + /// + public string TextureUrl { get; set; } = string.Empty; - /// - /// This defines how the texture is wrapped horizontally and corresponds to U in UV mapping. - /// The default is , where the edge is clamped to the outer edge texels. - /// See the for details. - /// - public WrappingType WrapS { get; set; } = WrappingType.ClampToEdgeWrapping; + /// + /// This defines how the texture is wrapped horizontally and corresponds to U in UV mapping. + /// The default is , where the edge is clamped to the outer edge texels. + /// See the for details. + /// + public WrappingType WrapS { get; set; } = WrappingType.ClampToEdgeWrapping; - /// - /// This defines how the texture is wrapped vertically and corresponds to V in UV mapping. - /// The same choices are available as for WrapS. See the for details. - /// NOTE: tiling of images in textures only functions if image dimensions are powers of two (2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, ...) in terms of pixels. Individual dimensions need not be equal, but each must be a power of two. This is a limitation of WebGL, not three.js. - /// - public WrappingType WrapT { get; set; } = WrappingType.ClampToEdgeWrapping; + /// + /// This defines how the texture is wrapped vertically and corresponds to V in UV mapping. + /// The same choices are available as for WrapS. See the for details. + /// NOTE: tiling of images in textures only functions if image dimensions are powers of two (2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, ...) in terms of pixels. Individual dimensions need not be equal, but each must be a power of two. This is a limitation of WebGL, not three.js. + /// + public WrappingType WrapT { get; set; } = WrappingType.ClampToEdgeWrapping; - /// - /// How many times the texture is repeated across the surface, in each direction U and V. - /// If repeat is set greater than 1 in either direction, the corresponding Wrap parameter should also be set to or to achieve the desired tiling effect. - /// Setting different repeat values for textures is restricted in the same way like Offset. - /// - public Vector2 Repeat { get; set; } = new Vector2(1, 1); + /// + /// How many times the texture is repeated across the surface, in each direction U and V. + /// If repeat is set greater than 1 in either direction, the corresponding Wrap parameter should also be set to or to achieve the desired tiling effect. + /// Setting different repeat values for textures is restricted in the same way like Offset. + /// + public Vector2 Repeat { get; set; } = new Vector2(1, 1); - /// - /// How much a single repetition of the texture is offset from the beginning, in each direction U and V. Typical range is 0.0 to 1.0. - /// For more details see here - /// - public Vector2 Offset { get; set; } = new Vector2(0, 0); + /// + /// How much a single repetition of the texture is offset from the beginning, in each direction U and V. Typical range is 0.0 to 1.0. + /// For more details see here + /// + public Vector2 Offset { get; set; } = new Vector2(0, 0); - /// - /// The point around which rotation occurs. A value of (0.5, 0.5) corresponds to the center of the texture. Default is (0, 0), the lower left. - /// - public Vector2 Center { get; set; } = new Vector2(0, 0); + /// + /// The point around which rotation occurs. A value of (0.5, 0.5) corresponds to the center of the texture. Default is (0, 0), the lower left. + /// + public Vector2 Center { get; set; } = new Vector2(0, 0); - /// - /// How much the texture is rotated around the center point, in radians. Positive values are counter-clockwise. Default is 0. - /// - public double Rotation { get; set; } = 0; - } -} + /// + /// How much the texture is rotated around the center point, in radians. Positive values are counter-clockwise. Default is 0. + /// + public double Rotation { get; set; } = 0; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs index 008b51f..fa12663 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs @@ -1,104 +1,87 @@ -using Microsoft.JSInterop; -using Microsoft.AspNetCore.Components; -using HomagGroup.Blazor3D.Settings; -using HomagGroup.Blazor3D.Scenes; -using HomagGroup.Blazor3D.Cameras; -using HomagGroup.Blazor3D.Controls; -using Newtonsoft.Json; -using HomagGroup.Blazor3D.Maths; -using HomagGroup.Blazor3D.Objects; -using HomagGroup.Blazor3D.Lights; -using HomagGroup.Blazor3D.ComponentHelpers; -using HomagGroup.Blazor3D.Events; -using Newtonsoft.Json.Linq; -using HomagGroup.Blazor3D.Core; -using HomagGroup.Blazor3D.Materials; -using HomagGroup.Blazor3D.Enums; - -namespace HomagGroup.Blazor3D.Viewers +namespace HomagGroup.Blazor3D.Viewers; + +/// +/// HomagGroup.Blazor3D viewer component. +/// +public sealed partial class Viewer : IDisposable { - /// - /// HomagGroup.Blazor3D viewer component. - /// - public sealed partial class Viewer : IDisposable - { - private IJSObjectReference bundleModule = null!; + private IJSObjectReference bundleModule = null!; - private delegate void SelectedObjectStaticEventHandler(Object3DStaticArgs e); - private static event SelectedObjectStaticEventHandler ObjectSelectedStatic = null!; + private delegate void SelectedObjectStaticEventHandler(Object3DStaticArgs e); + private static event SelectedObjectStaticEventHandler ObjectSelectedStatic = null!; - private delegate void LoadedObjectStaticEventHandler(Object3DStaticArgs e); - private static event LoadedObjectStaticEventHandler ObjectLoadedStatic = null!; + private delegate void LoadedObjectStaticEventHandler(Object3DStaticArgs e); + private static event LoadedObjectStaticEventHandler ObjectLoadedStatic = null!; - private event LoadedObjectEventHandler ObjectLoadedPrivate = null!; + private event LoadedObjectEventHandler ObjectLoadedPrivate = null!; - /// - /// Raises when user selects object by mouse clicking inside viewer area. - /// - public event SelectedObjectEventHandler ObjectSelected = null!; + /// + /// Raises when user selects object by mouse clicking inside viewer area. + /// + public event SelectedObjectEventHandler ObjectSelected = null!; - /// - /// Raises after complete loading of imported file content. - /// - public event LoadedObjectEventHandler ObjectLoaded = null!; + /// + /// Raises after complete loading of imported file content. + /// + public event LoadedObjectEventHandler ObjectLoaded = null!; - /// - /// Raises after JavaScript module is completely loaded. - /// - public event LoadedModuleEventHandler JsModuleLoaded = null!; + /// + /// Raises after JavaScript module is completely loaded. + /// + public event LoadedModuleEventHandler JsModuleLoaded = null!; - /// - /// parameter of the component. - /// - [Parameter] - public ViewerSettings ViewerSettings { get; set; } = new ViewerSettings(); - - /// - /// parameter of the component. Default is empty scene. - /// - [Parameter] - public Scene Scene { get; set; } = new Scene(); - - /// - /// If true and there is no children objects in the scene, then adds the default lights and box mesh. Default value is false. - /// - [Parameter] - public bool UseDefaultScene { get; set; } = false; - - /// - /// used to display the scene. - /// - [Parameter] - public Camera Camera { get; set; } = new PerspectiveCamera() { Position = new Vector3(3, 3, 3) }; - - /// - /// used to rotate, pan and scale the view. - /// - [Parameter] - public OrbitControls OrbitControls { get; set; } = new OrbitControls(); - - protected override async Task OnAfterRenderAsync(bool firstRender) + /// + /// parameter of the component. + /// + [Parameter] + public ViewerSettings ViewerSettings { get; set; } = new ViewerSettings(); + + /// + /// parameter of the component. Default is empty scene. + /// + [Parameter] + public Scene Scene { get; set; } = new Scene(); + + /// + /// If true and there is no children objects in the scene, then adds the default lights and box mesh. Default value is false. + /// + [Parameter] + public bool UseDefaultScene { get; set; } = false; + + /// + /// used to display the scene. + /// + [Parameter] + public Camera Camera { get; set; } = new PerspectiveCamera() { Position = new Vector3(3, 3, 3) }; + + /// + /// used to rotate, pan and scale the view. + /// + [Parameter] + public OrbitControls OrbitControls { get; set; } = new OrbitControls(); + + protected override async Task OnAfterRenderAsync(bool firstRender) + { + if (firstRender) { - if (firstRender) - { - ObjectSelectedStatic += OnObjectSelectedStatic; - ObjectLoadedStatic += OnObjectLoadedStatic; - ObjectLoadedPrivate += OnObjectLoadedPrivate; + ObjectSelectedStatic += OnObjectSelectedStatic; + ObjectLoadedStatic += OnObjectLoadedStatic; + ObjectLoadedPrivate += OnObjectLoadedPrivate; - bundleModule = await JSRuntime.InvokeAsync( + bundleModule = await JSRuntime.InvokeAsync( "import", "./_content/Blazor3D/js/bundle.js") .AsTask(); - if (UseDefaultScene && !Scene.Children.Any()) - { - AddDefaultScene(); - } + if (UseDefaultScene && !Scene.Children.Any()) + { + AddDefaultScene(); + } - var json = JsonConvert.SerializeObject(new + var json = JsonConvert.SerializeObject(new { Scene = Scene, ViewerSettings = ViewerSettings, @@ -107,342 +90,341 @@ protected override async Task OnAfterRenderAsync(bool firstRender) }, SerializationHelper.GetSerializerSettings()); - await bundleModule.InvokeVoidAsync("loadViewer", json); - await OnModuleLoaded(); - } + await bundleModule.InvokeVoidAsync("loadViewer", json); + await OnModuleLoaded(); } + } - /// - /// Updates scene changes. - /// - /// Task - public async Task UpdateScene() - { - var json = JsonConvert.SerializeObject(Scene, SerializationHelper.GetSerializerSettings()); - await bundleModule.InvokeVoidAsync("updateScene", json); - } + /// + /// Updates scene changes. + /// + /// Task + public async Task UpdateScene() + { + var json = JsonConvert.SerializeObject(Scene, SerializationHelper.GetSerializerSettings()); + await bundleModule.InvokeVoidAsync("updateScene", json); + } - /// - /// Sets the camera position to specified value. - /// - /// New position. - /// New camera target point coordinates. - /// Task - public async Task SetCameraPositionAsync(Vector3 position, Vector3 lookAt = null!) - { - await bundleModule.InvokeVoidAsync("setCameraPosition", position, lookAt); - } + /// + /// Sets the camera position to specified value. + /// + /// New position. + /// New camera target point coordinates. + /// Task + public async Task SetCameraPositionAsync(Vector3 position, Vector3 lookAt = null!) + { + await bundleModule.InvokeVoidAsync("setCameraPosition", position, lookAt); + } - /// - /// Apply updated camera settings to viewer. - /// - /// Task - public async Task UpdateCamera(Camera camera) - { - Camera = camera; - var json = JsonConvert.SerializeObject(Camera, SerializationHelper.GetSerializerSettings()); - await bundleModule.InvokeVoidAsync("updateCamera", json); - } + /// + /// Apply updated camera settings to viewer. + /// + /// Task + public async Task UpdateCamera(Camera camera) + { + Camera = camera; + var json = JsonConvert.SerializeObject(Camera, SerializationHelper.GetSerializerSettings()); + await bundleModule.InvokeVoidAsync("updateCamera", json); + } - /// - /// Prints information about current camera and orbit controls into browser console. - /// - /// Task - public async Task ShowCurrentCameraInfo() - { - await bundleModule.InvokeVoidAsync("showCurrentCameraInfo"); - } + /// + /// Prints information about current camera and orbit controls into browser console. + /// + /// Task + public async Task ShowCurrentCameraInfo() + { + await bundleModule.InvokeVoidAsync("showCurrentCameraInfo"); + } - /// - /// Apply updated orbit controls to viewer. - /// - /// new orbit controls - /// Task - public async Task UpdateOrbitControls(OrbitControls orbitControls) - { - OrbitControls = orbitControls; - var json = JsonConvert.SerializeObject(OrbitControls, SerializationHelper.GetSerializerSettings()); - await bundleModule.InvokeVoidAsync("updateOrbitControls", json); - } + /// + /// Apply updated orbit controls to viewer. + /// + /// new orbit controls + /// Task + public async Task UpdateOrbitControls(OrbitControls orbitControls) + { + OrbitControls = orbitControls; + var json = JsonConvert.SerializeObject(OrbitControls, SerializationHelper.GetSerializerSettings()); + await bundleModule.InvokeVoidAsync("updateOrbitControls", json); + } - [JSInvokable] - public static Task ReceiveSelectedObjectUUID(string containerId, string uuid) + [JSInvokable] + public static Task ReceiveSelectedObjectUUID(string containerId, string uuid) + { + var guid = string.IsNullOrWhiteSpace(uuid) ? Guid.Empty : Guid.Parse(uuid); + var result = containerId + uuid; + ObjectSelectedStatic?.Invoke(new Object3DStaticArgs() { - var guid = string.IsNullOrWhiteSpace(uuid) ? Guid.Empty : Guid.Parse(uuid); - var result = containerId + uuid; - ObjectSelectedStatic?.Invoke(new Object3DStaticArgs() - { - ContainerId = containerId, - UUID = guid, - }); - return Task.FromResult(result); - } + ContainerId = containerId, + UUID = guid, + }); + return Task.FromResult(result); + } - [JSInvokable] - public static Task ReceiveLoadedObjectUUID(string containerId, string uuid) + [JSInvokable] + public static Task ReceiveLoadedObjectUUID(string containerId, string uuid) + { + var result = containerId + uuid; + ObjectLoadedStatic?.Invoke(new Object3DStaticArgs() { - var result = containerId + uuid; - ObjectLoadedStatic?.Invoke(new Object3DStaticArgs() - { - ContainerId = containerId, - UUID = new Guid(uuid), - }); - return Task.CompletedTask; - } + ContainerId = containerId, + UUID = new Guid(uuid), + }); + return Task.CompletedTask; + } - /// - /// Removes object from scene by it's unique identifier. - /// - /// Object's unique identifier. - /// Task - public async Task RemoveByUuidAsync(Guid uuid) + /// + /// Removes object from scene by it's unique identifier. + /// + /// Object's unique identifier. + /// Task + public async Task RemoveByUuidAsync(Guid uuid) + { + var result = await bundleModule.InvokeAsync("removeByUuid", uuid); + if (result) { - var result = await bundleModule.InvokeAsync("removeByUuid", uuid); - if (result) - { - ChildrenHelper.RemoveObjectByUuid(uuid, Scene.Children); - } + ChildrenHelper.RemoveObjectByUuid(uuid, Scene.Children); } + } - /// - /// Selects object in scene by it's unique identifier - /// - /// Unique identifier of object to select - /// Task - public async Task SelectByUuidAsync(Guid uuid) - { - await bundleModule.InvokeVoidAsync("selectByUuid", uuid); - } + /// + /// Selects object in scene by it's unique identifier + /// + /// Unique identifier of object to select + /// Task + public async Task SelectByUuidAsync(Guid uuid) + { + await bundleModule.InvokeVoidAsync("selectByUuid", uuid); + } - /// - /// Clears scene. - /// - /// Task - public async Task ClearSceneAsync() - { - await bundleModule.InvokeVoidAsync("clearScene"); - Scene.Children.Clear(); - } + /// + /// Clears scene. + /// + /// Task + public async Task ClearSceneAsync() + { + await bundleModule.InvokeVoidAsync("clearScene"); + Scene.Children.Clear(); + } - /// - /// Imports 3D model to scene. - /// - /// Settings that will be applied during 3D model file importing. - /// Guid of the loaded item - public async Task Import3DModelAsync(ImportSettings settings) - { - settings.Uuid = settings.Uuid ?? Guid.NewGuid(); - settings.Material = settings.Material ?? new MeshStandardMaterial(); - var json = JsonConvert.SerializeObject(settings, SerializationHelper.GetSerializerSettings()); - await bundleModule.InvokeVoidAsync("import3DModel", json); - return settings.Uuid.Value; - } + /// + /// Imports 3D model to scene. + /// + /// Settings that will be applied during 3D model file importing. + /// Guid of the loaded item + public async Task Import3DModelAsync(ImportSettings settings) + { + settings.Uuid = settings.Uuid ?? Guid.NewGuid(); + settings.Material = settings.Material ?? new MeshStandardMaterial(); + var json = JsonConvert.SerializeObject(settings, SerializationHelper.GetSerializerSettings()); + await bundleModule.InvokeVoidAsync("import3DModel", json); + return settings.Uuid.Value; + } - /// - /// Imports 3D model file to scene. - /// - /// URL of the 3D model file. - /// Material that will be applied to all loaded meshes. - /// URL of the texture file. - /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. - /// Guid of the loaded item - public async Task Import3DModelFileAsync(string fileUrl, MeshStandardMaterial? material = null, string? textureUrl = null, Guid? Uuid = null) + /// + /// Imports 3D model file to scene. + /// + /// URL of the 3D model file. + /// Material that will be applied to all loaded meshes. + /// URL of the texture file. + /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. + /// Guid of the loaded item + public async Task Import3DModelFileAsync(string fileUrl, MeshStandardMaterial? material = null, string? textureUrl = null, Guid? Uuid = null) + { + var settings = new ImportSettings() { - var settings = new ImportSettings() + FileURL = fileUrl, + Format = fileUrl.Split('.')[1].ToLower() switch { - FileURL = fileUrl, - Format = fileUrl.Split('.')[1].ToLower() switch - { - "stl" => Import3DFormats.Stl, - "obj" => Import3DFormats.Obj, - "gltf" => Import3DFormats.Gltf, - "glb" => Import3DFormats.Gltf, - "dae" => Import3DFormats.Collada, - "fbx" => Import3DFormats.Fbx, - _ => Import3DFormats.Obj - } - }; + "stl" => Import3DFormats.Stl, + "obj" => Import3DFormats.Obj, + "gltf" => Import3DFormats.Gltf, + "glb" => Import3DFormats.Gltf, + "dae" => Import3DFormats.Collada, + "fbx" => Import3DFormats.Fbx, + _ => Import3DFormats.Obj + } + }; - if (material is not null) settings.Material = material; + if (material is not null) settings.Material = material; - if (textureUrl is not null) settings.TextureURL = textureUrl; + if (textureUrl is not null) settings.TextureURL = textureUrl; - if (Uuid is not null) settings.Uuid = Uuid; + if (Uuid is not null) settings.Uuid = Uuid; - return Import3DModelAsync(settings); - } + return await Import3DModelAsync(settings); + } - /// - /// Imports sprite to scene. - /// - /// Settings that will be applied during 2D sprite file importing. - /// Guid of the loaded item - public async Task ImportSpriteAsync(SpriteImportSettings settings) - { - settings.Uuid = settings.Uuid ?? Guid.NewGuid(); - settings.Material = settings.Material ?? new SpriteMaterial(); - var json = JsonConvert.SerializeObject(settings, SerializationHelper.GetSerializerSettings()); - await bundleModule.InvokeVoidAsync("importSprite", json); - return settings.Uuid.Value; - } + /// + /// Imports sprite to scene. + /// + /// Settings that will be applied during 2D sprite file importing. + /// Guid of the loaded item + public async Task ImportSpriteAsync(SpriteImportSettings settings) + { + settings.Uuid = settings.Uuid ?? Guid.NewGuid(); + settings.Material = settings.Material ?? new SpriteMaterial(); + var json = JsonConvert.SerializeObject(settings, SerializationHelper.GetSerializerSettings()); + await bundleModule.InvokeVoidAsync("importSprite", json); + return settings.Uuid.Value; + } + + /// + /// Recursively finds object by it's uuid in collection. + /// + /// Object's uuid + /// Children collection. Usually it's Scene.Children + /// Found object or null + public static Object3D? GetObjectByUuid(Guid uuid, List children) + { + return ChildrenHelper.GetObjectByUuid(uuid, children); + } + + private async Task OnModuleLoaded() + { + LoadedModuleEventHandler handler = JsModuleLoaded; - /// - /// Recursively finds object by it's uuid in collection. - /// - /// Object's uuid - /// Children collection. Usually it's Scene.Children - /// Found object or null - public static Object3D? GetObjectByUuid(Guid uuid, List children) + if (handler == null) { - return ChildrenHelper.GetObjectByUuid(uuid, children); + return; } - private async Task OnModuleLoaded() - { - LoadedModuleEventHandler handler = JsModuleLoaded; + Delegate[] invocationList = handler.GetInvocationList(); + Task[] handlerTasks = new Task[invocationList.Length]; - if (handler == null) - { - return; - } + for (int i = 0; i < invocationList.Length; i++) + { + handlerTasks[i] = ((LoadedModuleEventHandler)invocationList[i])(); + } - Delegate[] invocationList = handler.GetInvocationList(); - Task[] handlerTasks = new Task[invocationList.Length]; + await Task.WhenAll(handlerTasks); + } - for (int i = 0; i < invocationList.Length; i++) + //todo: move to helper + private void AddDefaultScene() + { + Scene.Add(new AmbientLight()); + Scene.Add(new PointLight() + { + Position = new Vector3 { - handlerTasks[i] = ((LoadedModuleEventHandler)invocationList[i])(); + X = 1, + Y = 3, + Z = 0 } + }); + Scene.Add(new Mesh()); + } - await Task.WhenAll(handlerTasks); - } - - //todo: move to helper - private void AddDefaultScene() + private void OnObjectSelectedStatic(Object3DStaticArgs e) + { + if (ViewerSettings.ContainerId == e.ContainerId) { - Scene.Add(new AmbientLight()); - Scene.Add(new PointLight() - { - Position = new Vector3 - { - X = 1, - Y = 3, - Z = 0 - } - }); - Scene.Add(new Mesh()); + ObjectSelected?.Invoke(new Object3DArgs() { UUID = e.UUID }); } + } - private void OnObjectSelectedStatic(Object3DStaticArgs e) + private void OnObjectLoadedStatic(Object3DStaticArgs e) + { + if (ViewerSettings.ContainerId == e.ContainerId) { - if (ViewerSettings.ContainerId == e.ContainerId) - { - ObjectSelected?.Invoke(new Object3DArgs() { UUID = e.UUID }); - } + ObjectLoadedPrivate?.Invoke(new Object3DArgs() { UUID = e.UUID }); } + } - private void OnObjectLoadedStatic(Object3DStaticArgs e) + //todo: move to children helper + private List ParseChildren(JToken? children) + { + var result = new List(); + if (children?.Type != JTokenType.Array) { - if (ViewerSettings.ContainerId == e.ContainerId) - { - ObjectLoadedPrivate?.Invoke(new Object3DArgs() { UUID = e.UUID }); - } + return result; } - //todo: move to children helper - private List ParseChildren(JToken? children) + foreach (JToken child in children) { - var result = new List(); - if (children?.Type != JTokenType.Array) + var c = child as JObject; + if (c == null) { - return result; + continue; } - foreach (JToken child in children) + var type = c.Property("type")?.Value.ToString(); + var name = c.Property("name")?.Value.ToString() ?? string.Empty; + var uuid = c.Property("uuid")?.Value.ToString() ?? string.Empty; + if (type == "Mesh") { - var c = child as JObject; - if (c == null) - { - continue; - } - - var type = c.Property("type")?.Value.ToString(); - var name = c.Property("name")?.Value.ToString() ?? string.Empty; - var uuid = c.Property("uuid")?.Value.ToString() ?? string.Empty; - if (type == "Mesh") + var mesh = new Mesh() { - var mesh = new Mesh() - { - Name = name, - Uuid = Guid.Parse(uuid) - }; - result.Add(mesh); - } - - if (type == "Group") - { - var ch = c.Property("children")?.Value; - var childrenResult = ParseChildren(ch); - var group = new Group - { - Name = name, - Uuid = Guid.Parse(uuid), - }; - group.Children.AddRange(childrenResult); - } + Name = name, + Uuid = Guid.Parse(uuid) + }; + result.Add(mesh); } - return result; - } - private async Task OnObjectLoadedPrivate(Object3DArgs e) - { - var json = await bundleModule.InvokeAsync("getSceneItemByGuid", e.UUID); - if (json.Contains("\"type\":\"Group\"")) + if (type == "Group") { - var jobject = JObject.Parse(json); - var name = jobject.Property("name")?.Value.ToString() ?? string.Empty; - var uuidstr = jobject.Property("uuid")?.Value.ToString() ?? string.Empty; - var children = jobject.Property("children")?.Value; - var childrenResult = ParseChildren(children); + var ch = c.Property("children")?.Value; + var childrenResult = ParseChildren(ch); var group = new Group { Name = name, - Uuid = Guid.Parse(uuidstr), + Uuid = Guid.Parse(uuid), }; group.Children.AddRange(childrenResult); - - Scene.Children.Add(group); - ObjectLoaded?.Invoke(new Object3DArgs() { UUID = e.UUID }); } + } + return result; + } - if (json.Contains("\"type\":\"Mesh\"")) + private async Task OnObjectLoadedPrivate(Object3DArgs e) + { + var json = await bundleModule.InvokeAsync("getSceneItemByGuid", e.UUID); + if (json.Contains("\"type\":\"Group\"")) + { + var jobject = JObject.Parse(json); + var name = jobject.Property("name")?.Value.ToString() ?? string.Empty; + var uuidstr = jobject.Property("uuid")?.Value.ToString() ?? string.Empty; + var children = jobject.Property("children")?.Value; + var childrenResult = ParseChildren(children); + var group = new Group { - var mesh = JsonConvert.DeserializeObject(json); - if (mesh != null) - { - Scene.Children.Add(mesh); - ObjectLoaded?.Invoke(new Object3DArgs() { UUID = e.UUID }); - } - } + Name = name, + Uuid = Guid.Parse(uuidstr), + }; + group.Children.AddRange(childrenResult); - if (json.Contains("\"type\":\"Sprite\"")) + Scene.Children.Add(group); + ObjectLoaded?.Invoke(new Object3DArgs() { UUID = e.UUID }); + } + + if (json.Contains("\"type\":\"Mesh\"")) + { + var mesh = JsonConvert.DeserializeObject(json); + if (mesh != null) { - var sprite = JsonConvert.DeserializeObject(json); - if (sprite != null) - { - Scene.Children.Add(sprite); - ObjectLoaded?.Invoke(new Object3DArgs() { UUID= e.UUID }); - } + Scene.Children.Add(mesh); + ObjectLoaded?.Invoke(new Object3DArgs() { UUID = e.UUID }); } } - public void Dispose() + if (json.Contains("\"type\":\"Sprite\"")) { - ObjectSelectedStatic -= OnObjectSelectedStatic; - ObjectLoadedStatic -= OnObjectLoadedStatic; - ObjectLoadedPrivate -= OnObjectLoadedPrivate; + var sprite = JsonConvert.DeserializeObject(json); + if (sprite != null) + { + Scene.Children.Add(sprite); + ObjectLoaded?.Invoke(new Object3DArgs() { UUID= e.UUID }); + } } } -} + + public void Dispose() + { + ObjectSelectedStatic -= OnObjectSelectedStatic; + ObjectLoadedStatic -= OnObjectLoadedStatic; + ObjectLoadedPrivate -= OnObjectLoadedPrivate; + } +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs b/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs index ab1109c..74b2e43 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs +++ b/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs @@ -2,26 +2,25 @@ using Microsoft.AspNetCore.Mvc.RazorPages; using System.Diagnostics; -namespace TestServer.Pages +namespace TestServer.Pages; + +[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)] +[IgnoreAntiforgeryToken] +public class ErrorModel : PageModel { - [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)] - [IgnoreAntiforgeryToken] - public class ErrorModel : PageModel - { - public string? RequestId { get; set; } + public string? RequestId { get; set; } - public bool ShowRequestId => !string.IsNullOrEmpty(RequestId); + public bool ShowRequestId => !string.IsNullOrEmpty(RequestId); - private readonly ILogger _logger; + private readonly ILogger _logger; - public ErrorModel(ILogger logger) - { + public ErrorModel(ILogger logger) + { _logger = logger; } - public void OnGet() - { + public void OnGet() + { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier; } - } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/_Host.cshtml b/src/dotnet/Blazor3D/TestServer/Pages/_Host.cshtml index 0b13da7..836ad3c 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/_Host.cshtml +++ b/src/dotnet/Blazor3D/TestServer/Pages/_Host.cshtml @@ -1,5 +1,5 @@ @page "/" -@namespace TestServer.Pages +@namespace TestServer.Pages; @addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers @{ Layout = "_Layout"; diff --git a/src/dotnet/Blazor3D/TestServer/Pages/_Layout.cshtml b/src/dotnet/Blazor3D/TestServer/Pages/_Layout.cshtml index 72252fa..7d7f205 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/_Layout.cshtml +++ b/src/dotnet/Blazor3D/TestServer/Pages/_Layout.cshtml @@ -1,5 +1,5 @@ @using Microsoft.AspNetCore.Components.Web -@namespace TestServer.Pages +@namespace TestServer.Pages; @addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers @@ -14,19 +14,19 @@ - @RenderBody() +@RenderBody() -
- - An error has occurred. This application may no longer respond until reloaded. - - - An unhandled exception has occurred. See browser dev tools for details. - - Reload - 🗙 -
+
+ + An error has occurred. This application may no longer respond until reloaded. + + + An unhandled exception has occurred. See browser dev tools for details. + + Reload + 🗙 +
- + From 052a402e533a8a2c870be663c51d91a3094d31da Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Fri, 22 Dec 2023 22:12:12 +0530 Subject: [PATCH 03/17] Importing USDZ --- .../Blazor3D/Blazor3D/Enums/ImportModels.cs | 6 +- src/javascript/Viewer/Loaders.js | 295 ++++++++++-------- src/javascript/package-lock.json | 16 +- src/javascript/package.json | 3 +- 4 files changed, 191 insertions(+), 129 deletions(-) diff --git a/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs b/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs index 9559d3e..7a4e128 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs @@ -24,5 +24,9 @@ public enum Import3DFormats /// /// Stl format. /// - Stl + Stl, + /// + /// Usdz format. + /// + Usdz } \ No newline at end of file diff --git a/src/javascript/Viewer/Loaders.js b/src/javascript/Viewer/Loaders.js index 69083e5..d759969 100644 --- a/src/javascript/Viewer/Loaders.js +++ b/src/javascript/Viewer/Loaders.js @@ -4,142 +4,185 @@ import { ColladaLoader } from "three/examples/jsm/loaders/ColladaLoader"; import { FBXLoader } from "three/examples/jsm/loaders/FBXLoader"; import { GLTFLoader } from "three/examples/jsm/loaders/GLTFLoader"; import { STLLoader } from 'three/examples/jsm/loaders/STLLoader.js'; +import { USDZLoader } from "three-usdz-loader"; import Transforms from "../Utils/Transforms"; import MaterialBuilder from "../Builders/MaterialBuilder"; -class Loaders { - static loadGltf(scene, url, guid, containerId) { - const loader = new GLTFLoader(); - loader.load(url, (object) => { - object.scene.uuid = guid; - scene.add(object.scene); - Loaders.callDotNet(containerId, guid); - }); - } - static loadFbx(scene, url, guid, containerId) { - const loader = new FBXLoader(); - loader.load(url, (object) => { - scene.add(object); - object.uuid = guid; - Loaders.callDotNet(containerId, guid); - }); - } - - static loadCollada(scene, url, guid, containerId) { - let object; - const manager = new THREE.LoadingManager(() => { - scene.add(object); - object.uuid = guid; - Loaders.callDotNet(containerId, guid); - }); - const loader = new ColladaLoader(manager); - loader.load(url, (obj) => { - object = obj.scene; - }); - } - - static loadOBJ(scene, objUrl, textureUrl, guid, containerId) { - let object; - const manager = new THREE.LoadingManager(() => { - if (textureUrl){ - object.traverse(function (child) { - if (child.isMesh) child.material.map = texture; +class Loaders +{ + static loadGltf(scene, url, guid, containerId) + { + const loader = new GLTFLoader(); + loader.load(url, (object) => + { + object.scene.uuid = guid; + scene.add(object.scene); + Loaders.callDotNet(containerId, guid); }); - } - scene.add(object); - object.uuid = guid; - Loaders.callDotNet(containerId, guid); - }); - - const textureLoader = new THREE.TextureLoader(manager); - const texture = textureLoader.load(textureUrl); - - const loader = new OBJLoader(manager); - loader.load(objUrl, (obj) => { - object = obj; - }); - return object; - } - - static loadStl(scene, url, guid, containerId, materialSettings) { - let mesh; - const loader = new STLLoader(); - loader.load( url, function ( geometry ) { - - // const material = new THREE.MeshPhongMaterial( { color: 0xff5533, specular: 0x111111, shininess: 200 } ); - // const material = new THREE.MeshStandardMaterial({ - // color: 0xff5533, - // }); - const material = MaterialBuilder.buildMaterial(materialSettings); - mesh = new THREE.Mesh( geometry, material ); - mesh.uuid = guid; - - // mesh.position.set( 0, - 0.25, 0.6 ); - // mesh.rotation.set( 0, - Math.PI / 2, 0 ); - // mesh.scale.set( 0.5, 0.5, 0.5 ); - - // mesh.castShadow = true; - // mesh.receiveShadow = true; - - scene.add( mesh ); - Loaders.callDotNet(containerId, guid); - - } ); - } - - static import3DModel(scene, settings, containerId) { - const format = settings.format; - let objUrl = settings.fileURL; - let textureUrl = settings.textureURL; - let guid = settings.uuid; - let material = settings.material; - - if(format == "Obj"){ - return Loaders.loadOBJ(scene, objUrl, textureUrl, guid, containerId); } - if(format == "Collada"){ - return Loaders.loadCollada(scene, objUrl, guid, containerId); + static loadFbx(scene, url, guid, containerId) + { + const loader = new FBXLoader(); + loader.load(url, (object) => + { + scene.add(object); + object.uuid = guid; + Loaders.callDotNet(containerId, guid); + }); } - if(format == "Fbx"){ - return Loaders.loadFbx(scene, objUrl, guid, containerId); + + static loadCollada(scene, url, guid, containerId) + { + let object; + const manager = new THREE.LoadingManager(() => + { + scene.add(object); + object.uuid = guid; + Loaders.callDotNet(containerId, guid); + }); + const loader = new ColladaLoader(manager); + loader.load(url, (obj) => + { + object = obj.scene; + }); } - if(format == "Gltf"){ - return Loaders.loadGltf(scene, objUrl, guid, containerId); + + static loadOBJ(scene, objUrl, textureUrl, guid, containerId) + { + let object; + const manager = new THREE.LoadingManager(() => + { + if (textureUrl) + { + object.traverse(function (child) + { + if (child.isMesh) child.material.map = texture; + }); + } + scene.add(object); + object.uuid = guid; + Loaders.callDotNet(containerId, guid); + }); + + const textureLoader = new THREE.TextureLoader(manager); + const texture = textureLoader.load(textureUrl); + + const loader = new OBJLoader(manager); + loader.load(objUrl, (obj) => + { + object = obj; + }); + return object; } - if(format == "Stl"){ - return Loaders.loadStl(scene, objUrl, guid, containerId, material); + static loadStl(scene, url, guid, containerId, materialSettings) + { + let mesh; + const loader = new STLLoader(); + loader.load(url, function (geometry) + { + + // const material = new THREE.MeshPhongMaterial( { color: 0xff5533, specular: 0x111111, shininess: 200 } ); + // const material = new THREE.MeshStandardMaterial({ + // color: 0xff5533, + // }); + const material = MaterialBuilder.buildMaterial(materialSettings); + mesh = new THREE.Mesh(geometry, material); + mesh.uuid = guid; + + // mesh.position.set( 0, - 0.25, 0.6 ); + // mesh.rotation.set( 0, - Math.PI / 2, 0 ); + // mesh.scale.set( 0.5, 0.5, 0.5 ); + + // mesh.castShadow = true; + // mesh.receiveShadow = true; + + scene.add(mesh); + Loaders.callDotNet(containerId, guid); + + }); + } + + static loadUsdz(scene, url, guid, containerId, materialSettings) + { + let mesh; + const loader = new USDZLoader(); + loader.load(url, function (geometry) + { + const material = MaterialBuilder.buildMaterial(materialSettings); + mesh = new THREE.Mesh(geometry, material); + mesh.uuid = guid; + + scene.add(mesh); + Loaders.callDotNet(containerId, guid); + }); + } + + static import3DModel(scene, settings, containerId) + { + const format = settings.format; + let objUrl = settings.fileURL; + let textureUrl = settings.textureURL; + let guid = settings.uuid; + let material = settings.material; + + if (format == "Obj") + { + return Loaders.loadOBJ(scene, objUrl, textureUrl, guid, containerId); + } + if (format == "Collada") + { + return Loaders.loadCollada(scene, objUrl, guid, containerId); + } + if (format == "Fbx") + { + return Loaders.loadFbx(scene, objUrl, guid, containerId); + } + if (format == "Gltf") + { + return Loaders.loadGltf(scene, objUrl, guid, containerId); + } + + if (format == "Stl") + { + return Loaders.loadStl(scene, objUrl, guid, containerId, material); + } + + if (format == "Usdz") + { + return Loaders.loadUsdz(scene, objUrl, guid, containerId, material); + } + + return null; + } + + static importSprite(scene, settings, containerId) + { + let url = settings.fileURL; + let guid = settings.uuid; + let sprite; + settings.material.map.textureUrl = url; + const material = MaterialBuilder.buildMaterial(settings.material); + sprite = new THREE.Sprite(material); + Transforms.setPosition(sprite, settings.position); + Transforms.setRotation(sprite, settings.rotation); + Transforms.setScale(sprite, settings.scale); + sprite.uuid = guid; + sprite.name = settings.name; + scene.add(sprite); + Loaders.callDotNet(containerId, guid); + } + + + static callDotNet(containerId, uuid) + { + DotNet.invokeMethodAsync( + "Blazor3D", + "ReceiveLoadedObjectUUID", + containerId, + uuid + ); } - - return null; - } - - static importSprite(scene, settings, containerId) - { - let url = settings.fileURL; - let guid = settings.uuid; - let sprite; - settings.material.map.textureUrl = url; - const material = MaterialBuilder.buildMaterial(settings.material); - sprite = new THREE.Sprite(material); - Transforms.setPosition(sprite,settings.position); - Transforms.setRotation(sprite, settings.rotation); - Transforms.setScale(sprite, settings.scale); - sprite.uuid = guid; - sprite.name = settings.name; - scene.add (sprite); - Loaders.callDotNet(containerId,guid); - } - - - static callDotNet(containerId, uuid){ - DotNet.invokeMethodAsync( - "Blazor3D", - "ReceiveLoadedObjectUUID", - containerId, - uuid - ); - } } export default Loaders; diff --git a/src/javascript/package-lock.json b/src/javascript/package-lock.json index 30d57e2..2c9fa7b 100644 --- a/src/javascript/package-lock.json +++ b/src/javascript/package-lock.json @@ -9,7 +9,8 @@ "version": "1.0.0", "license": "ISC", "dependencies": { - "three": "^0.143.0" + "three": "^0.143.0", + "three-usdz-loader": "^1.0.7" }, "devDependencies": { "webpack": "^5.82.0", @@ -1143,6 +1144,19 @@ "resolved": "https://registry.npmjs.org/three/-/three-0.143.0.tgz", "integrity": "sha512-oKcAGYHhJ46TGEuHjodo2n6TY2R6lbvrkp+feKZxqsUL/WkH7GKKaeu6RHeyb2Xjfk2dPLRKLsOP0KM2VgT8Zg==" }, + "node_modules/three-usdz-loader": { + "version": "1.0.7", + "resolved": "https://registry.npmjs.org/three-usdz-loader/-/three-usdz-loader-1.0.7.tgz", + "integrity": "sha512-ZW3mnxYgqgD5oVdbukAOX6g8TK6HEsKYplw73ofe56fHGxDgWRhPu2ny9o2yolobyFqjR1+gcdNVGSCdzmiBBg==", + "dependencies": { + "three": "^0.141.0" + } + }, + "node_modules/three-usdz-loader/node_modules/three": { + "version": "0.141.0", + "resolved": "https://registry.npmjs.org/three/-/three-0.141.0.tgz", + "integrity": "sha512-JaSDAPWuk4RTzG5BYRQm8YZbERUxTfTDVouWgHMisS2to4E5fotMS9F2zPFNOIJyEFTTQDDKPpsgZVThKU3pXA==" + }, "node_modules/update-browserslist-db": { "version": "1.0.11", "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.11.tgz", diff --git a/src/javascript/package.json b/src/javascript/package.json index eaa2ed9..f84aecc 100644 --- a/src/javascript/package.json +++ b/src/javascript/package.json @@ -13,7 +13,8 @@ "author": "", "license": "ISC", "dependencies": { - "three": "^0.143.0" + "three": "^0.143.0", + "three-usdz-loader": "^1.0.7" }, "devDependencies": { "webpack": "^5.82.0", From 5e72f7066e0b7f80705566ef684a0fc2205f5776 Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Fri, 22 Dec 2023 22:17:47 +0530 Subject: [PATCH 04/17] Import File Updated --- .../Blazor3D/Blazor3D/Viewers/Viewer.razor.cs | 29 +++++++++---------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs index fa12663..0ea054e 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs @@ -15,7 +15,7 @@ public sealed partial class Viewer : IDisposable private event LoadedObjectEventHandler ObjectLoadedPrivate = null!; - + /// /// Raises when user selects object by mouse clicking inside viewer area. /// @@ -26,12 +26,12 @@ public sealed partial class Viewer : IDisposable /// public event LoadedObjectEventHandler ObjectLoaded = null!; - + /// /// Raises after JavaScript module is completely loaded. /// public event LoadedModuleEventHandler JsModuleLoaded = null!; - + /// /// parameter of the component. @@ -82,12 +82,12 @@ protected override async Task OnAfterRenderAsync(bool firstRender) } var json = JsonConvert.SerializeObject(new - { - Scene = Scene, - ViewerSettings = ViewerSettings, - Camera = Camera, - OrbitControls = OrbitControls, - }, + { + Scene = Scene, + ViewerSettings = ViewerSettings, + Camera = Camera, + OrbitControls = OrbitControls, + }, SerializationHelper.GetSerializerSettings()); await bundleModule.InvokeVoidAsync("loadViewer", json); @@ -116,7 +116,7 @@ public async Task SetCameraPositionAsync(Vector3 position, Vector3 lookAt = null await bundleModule.InvokeVoidAsync("setCameraPosition", position, lookAt); } - + /// /// Apply updated camera settings to viewer. @@ -239,12 +239,11 @@ public async Task Import3DModelFileAsync(string fileUrl, MeshStandardMater Format = fileUrl.Split('.')[1].ToLower() switch { "stl" => Import3DFormats.Stl, - "obj" => Import3DFormats.Obj, - "gltf" => Import3DFormats.Gltf, - "glb" => Import3DFormats.Gltf, + "gltf" or "glb" => Import3DFormats.Gltf, "dae" => Import3DFormats.Collada, "fbx" => Import3DFormats.Fbx, - _ => Import3DFormats.Obj + "usd" or "usda" or "usdc" or "usdz" => Import3DFormats.Usdz, + "obj" or _ => Import3DFormats.Obj } }; @@ -416,7 +415,7 @@ private async Task OnObjectLoadedPrivate(Object3DArgs e) if (sprite != null) { Scene.Children.Add(sprite); - ObjectLoaded?.Invoke(new Object3DArgs() { UUID= e.UUID }); + ObjectLoaded?.Invoke(new Object3DArgs() { UUID = e.UUID }); } } } From 79e2467c96c2c1276e60f14c440b7fcf5c305cee Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Sat, 23 Dec 2023 20:09:40 +0530 Subject: [PATCH 05/17] Update HomagGroup.Blazor3D.xml --- doc/HomagGroup.Blazor3D.xml | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/doc/HomagGroup.Blazor3D.xml b/doc/HomagGroup.Blazor3D.xml index 6584f65..be98d97 100644 --- a/doc/HomagGroup.Blazor3D.xml +++ b/doc/HomagGroup.Blazor3D.xml @@ -249,6 +249,11 @@ Stl format. + + + Usdz format. + + These define the texture's WrapS and WrapT properties, which define horizontal and vertical texture wrapping. @@ -1966,6 +1971,16 @@ Settings that will be applied during 3D model file importing. Guid of the loaded item + + + Imports 3D model file to scene. + + URL of the 3D model file. + Material that will be applied to all loaded meshes. + URL of the texture file. + UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. + Guid of the loaded item + Imports sprite to scene. From 6fdf295a688d3dc02792c4422af6b9597bf1473f Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Sat, 23 Dec 2023 21:43:54 +0530 Subject: [PATCH 06/17] TestServer Updated to .Net 8 --- doc/HomagGroup.Blazor3D.xml | 6 +++ .../Blazor3D/Blazor3D/Cameras/Camera.cs | 6 +++ .../Extensions/ServiceCollectionExtension.cs | 19 +++++++++ src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs | 5 ++- .../Blazor3D/HomagGroup.Blazor3D.csproj | 1 + src/dotnet/Blazor3D/TestServer/App.razor | 40 +++++++++++++------ .../Blazor3D/TestServer/GlobalUsings.cs | 2 + .../Blazor3D/TestServer/Pages/Index.razor | 12 ------ .../Blazor3D/TestServer/Pages/Page2.razor | 21 ++-------- .../Blazor3D/TestServer/Pages/Page3.razor | 14 ------- .../Blazor3D/TestServer/Pages/Page4.razor | 13 ------ .../Blazor3D/TestServer/Pages/Page5.razor | 18 +-------- .../Blazor3D/TestServer/Pages/Page6.razor | 10 ----- .../Blazor3D/TestServer/Pages/Page7.razor | 18 +-------- .../Blazor3D/TestServer/Pages/_Host.cshtml | 8 ---- .../Blazor3D/TestServer/Pages/_Layout.cshtml | 32 --------------- src/dotnet/Blazor3D/TestServer/Program.cs | 16 ++++---- src/dotnet/Blazor3D/TestServer/Routes.razor | 12 ++++++ .../Blazor3D/TestServer/TestServer.csproj | 22 +++++----- src/dotnet/Blazor3D/TestServer/_Imports.razor | 25 ++++++++++-- 20 files changed, 119 insertions(+), 181 deletions(-) create mode 100644 src/dotnet/Blazor3D/Blazor3D/Extensions/ServiceCollectionExtension.cs create mode 100644 src/dotnet/Blazor3D/TestServer/GlobalUsings.cs delete mode 100644 src/dotnet/Blazor3D/TestServer/Pages/_Host.cshtml delete mode 100644 src/dotnet/Blazor3D/TestServer/Pages/_Layout.cshtml create mode 100644 src/dotnet/Blazor3D/TestServer/Routes.razor diff --git a/doc/HomagGroup.Blazor3D.xml b/doc/HomagGroup.Blazor3D.xml index be98d97..20cc0d0 100644 --- a/doc/HomagGroup.Blazor3D.xml +++ b/doc/HomagGroup.Blazor3D.xml @@ -21,6 +21,12 @@ The point camera looks at. + + + This is used by the LookAt method, for example, to determine the orientation of the result. + Default is ( 0, 1, 0 ). + + Camera that uses orthographic projection. diff --git a/src/dotnet/Blazor3D/Blazor3D/Cameras/Camera.cs b/src/dotnet/Blazor3D/Blazor3D/Cameras/Camera.cs index 86a56ed..ea24e18 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Cameras/Camera.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Cameras/Camera.cs @@ -20,4 +20,10 @@ protected Camera(string type = "Camera") : base(type) /// The point camera looks at. /// public Vector3 LookAt { get; set; } = new Vector3(); + + /// + /// This is used by the LookAt method, for example, to determine the orientation of the result. + /// Default is ( 0, 1, 0 ). + /// + public Vector3 Up { get; set; } = new Vector3(0, 1, 0); } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Extensions/ServiceCollectionExtension.cs b/src/dotnet/Blazor3D/Blazor3D/Extensions/ServiceCollectionExtension.cs new file mode 100644 index 0000000..a6a43a2 --- /dev/null +++ b/src/dotnet/Blazor3D/Blazor3D/Extensions/ServiceCollectionExtension.cs @@ -0,0 +1,19 @@ +namespace HomagGroup.Blazor3D.Extensions; + +public static class ServiceCollectionExtension +{ + public static IServiceCollection AddBlazor3DFileTypes(this IServiceCollection services) + { + var provider = new FileExtensionContentTypeProvider(); + + provider.Mappings.Add(".fbx", "application/octet-stream"); + provider.Mappings.Add(".gltf", "model/gltf+json"); + provider.Mappings.Add(".glb", "model/gltf-binary"); + provider.Mappings.Add(".dae", "model/vnd.collada+xml"); + provider.Mappings.Add(".stl", "model/stl"); + + services.Configure(s => s.ContentTypeProvider = provider); + + return services; + } +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs b/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs index 416d4a3..6ada875 100644 --- a/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs @@ -1,5 +1,3 @@ -// Global using directives - global using HomagGroup.Blazor3D.Cameras; global using HomagGroup.Blazor3D.ComponentHelpers; global using HomagGroup.Blazor3D.Controls; @@ -12,7 +10,10 @@ global using HomagGroup.Blazor3D.Objects; global using HomagGroup.Blazor3D.Scenes; global using HomagGroup.Blazor3D.Settings; +global using Microsoft.AspNetCore.Builder; global using Microsoft.AspNetCore.Components; +global using Microsoft.AspNetCore.StaticFiles; +global using Microsoft.Extensions.DependencyInjection; global using Microsoft.JSInterop; global using Newtonsoft.Json; global using Newtonsoft.Json.Converters; diff --git a/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj b/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj index 38be3cd..1d5c0e0 100644 --- a/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj +++ b/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj @@ -38,6 +38,7 @@ + diff --git a/src/dotnet/Blazor3D/TestServer/App.razor b/src/dotnet/Blazor3D/TestServer/App.razor index 6fd3ed1..3a6b4bc 100644 --- a/src/dotnet/Blazor3D/TestServer/App.razor +++ b/src/dotnet/Blazor3D/TestServer/App.razor @@ -1,12 +1,28 @@ - - - - - - - Not found - -

Sorry, there's nothing at this address.

- - - + + + + + + + + + + + + + + +
+ + An error has occurred. This application may no longer respond until reloaded. + + + An unhandled exception has occurred. See browser dev tools for details. + + Reload + 🗙 +
+ + + + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/GlobalUsings.cs b/src/dotnet/Blazor3D/TestServer/GlobalUsings.cs new file mode 100644 index 0000000..8017f8e --- /dev/null +++ b/src/dotnet/Blazor3D/TestServer/GlobalUsings.cs @@ -0,0 +1,2 @@ +global using HomagGroup.Blazor3D.Extensions; +global using TestServer; \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Index.razor b/src/dotnet/Blazor3D/TestServer/Pages/Index.razor index f234ead..867bd13 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Index.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Index.razor @@ -1,17 +1,5 @@ @page "/" @implements IDisposable -@using HomagGroup.Blazor3D.Core -@using HomagGroup.Blazor3D.Enums -@using HomagGroup.Blazor3D.Events -@using HomagGroup.Blazor3D.Geometires -@using HomagGroup.Blazor3D.Helpers -@using HomagGroup.Blazor3D.Lights -@using HomagGroup.Blazor3D.Materials -@using HomagGroup.Blazor3D.Maths -@using HomagGroup.Blazor3D.Objects -@using HomagGroup.Blazor3D.Scenes -@using HomagGroup.Blazor3D.Viewers -@using HomagGroup.Blazor3D.Cameras
diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page2.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page2.razor index 85c5682..a21ead2 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page2.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page2.razor @@ -1,17 +1,5 @@ @page "/page2" @implements IDisposable -@using HomagGroup.Blazor3D.Core -@using HomagGroup.Blazor3D.Enums -@using HomagGroup.Blazor3D.Events -@using HomagGroup.Blazor3D.Geometires -@using HomagGroup.Blazor3D.Helpers -@using HomagGroup.Blazor3D.Lights -@using HomagGroup.Blazor3D.Materials -@using HomagGroup.Blazor3D.Maths -@using HomagGroup.Blazor3D.Objects -@using HomagGroup.Blazor3D.Scenes -@using HomagGroup.Blazor3D.Viewers -@using HomagGroup.Blazor3D.Cameras
@@ -79,12 +67,9 @@ private async Task OnModuleLoaded() { - //await View3D1.Import3DModelAsync( - // Import3DFormats.Fbx, - // "https://threejs.org/examples/models/fbx/Samba%20Dancing.fbx", - // null, - // loadedObjectGuid); - // await View3D1.SetCameraPositionAsync(new Vector3(0, 100, 250), new Vector3(0, 50, 0)); + await View3D1.Import3DModelFileAsync("https://threejs.org/examples/models/fbx/Samba%20Dancing.fbx", Uuid: loadedObjectGuid); + + await View3D1.SetCameraPositionAsync(new Vector3(0, 100, 250), new Vector3(0, 50, 0)); } private void AddLights() diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page3.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page3.razor index 7934d6b..80dcb39 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page3.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page3.razor @@ -1,19 +1,5 @@ @page "/page3" @implements IDisposable -@using HomagGroup.Blazor3D.Core -@using HomagGroup.Blazor3D.Enums -@using HomagGroup.Blazor3D.Events -@using HomagGroup.Blazor3D.Geometires -@using HomagGroup.Blazor3D.Helpers -@using HomagGroup.Blazor3D.Lights -@using HomagGroup.Blazor3D.Materials -@using HomagGroup.Blazor3D.Maths -@using HomagGroup.Blazor3D.Objects -@using HomagGroup.Blazor3D.Scenes -@using HomagGroup.Blazor3D.Textures; -@using HomagGroup.Blazor3D.Viewers -@using HomagGroup.Blazor3D.Cameras -@using System.Globalization
diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page4.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page4.razor index d7c8244..693d7ba 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page4.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page4.razor @@ -1,18 +1,5 @@ @page "/page4" @implements IDisposable -@using HomagGroup.Blazor3D.Core -@using HomagGroup.Blazor3D.Enums -@using HomagGroup.Blazor3D.Events -@using HomagGroup.Blazor3D.Extras.Core; -@using HomagGroup.Blazor3D.Geometires -@using HomagGroup.Blazor3D.Helpers -@using HomagGroup.Blazor3D.Lights -@using HomagGroup.Blazor3D.Materials -@using HomagGroup.Blazor3D.Maths -@using HomagGroup.Blazor3D.Objects -@using HomagGroup.Blazor3D.Scenes -@using HomagGroup.Blazor3D.Viewers -@using HomagGroup.Blazor3D.Cameras
diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page5.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page5.razor index ec3b054..ae4803e 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page5.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page5.razor @@ -1,20 +1,5 @@ @page "/page5" @implements IDisposable -@using HomagGroup.Blazor3D.Core -@using HomagGroup.Blazor3D.Enums -@using HomagGroup.Blazor3D.Events -@using HomagGroup.Blazor3D.Extras.Core; -@using HomagGroup.Blazor3D.Geometires -@using HomagGroup.Blazor3D.Geometires.Lines; -@using HomagGroup.Blazor3D.Geometires.Text; -@using HomagGroup.Blazor3D.Helpers -@using HomagGroup.Blazor3D.Lights -@using HomagGroup.Blazor3D.Materials -@using HomagGroup.Blazor3D.Maths -@using HomagGroup.Blazor3D.Objects -@using HomagGroup.Blazor3D.Scenes -@using HomagGroup.Blazor3D.Viewers -@using HomagGroup.Blazor3D.Cameras
@@ -168,5 +153,4 @@ View3D1.ObjectSelected -= OnObjectSelected; View3D1.JsModuleLoaded -= OnModuleLoaded; } -} - +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page6.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page6.razor index 1b264ce..25df4ea 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page6.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page6.razor @@ -1,15 +1,5 @@ @page "/page6" @implements IDisposable -@using HomagGroup.Blazor3D.Events -@using HomagGroup.Blazor3D.Maths -@using HomagGroup.Blazor3D.Objects -@using HomagGroup.Blazor3D.Scenes -@using HomagGroup.Blazor3D.Viewers -@using HomagGroup.Blazor3D.Cameras -@using HomagGroup.Blazor3D.Geometires -@using HomagGroup.Blazor3D.Geometires.Curves -@using HomagGroup.Blazor3D.Lights -@using HomagGroup.Blazor3D.Materials
diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page7.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page7.razor index e1f30f0..a538732 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page7.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page7.razor @@ -1,20 +1,5 @@ @page "/page7" @implements IDisposable -@using HomagGroup.Blazor3D.Core -@using HomagGroup.Blazor3D.Enums -@using HomagGroup.Blazor3D.Events -@using HomagGroup.Blazor3D.Extras.Core; -@using HomagGroup.Blazor3D.Geometires -@using HomagGroup.Blazor3D.Geometires.Lines; -@using HomagGroup.Blazor3D.Geometires.Text; -@using HomagGroup.Blazor3D.Helpers -@using HomagGroup.Blazor3D.Lights -@using HomagGroup.Blazor3D.Materials -@using HomagGroup.Blazor3D.Maths -@using HomagGroup.Blazor3D.Objects -@using HomagGroup.Blazor3D.Scenes -@using HomagGroup.Blazor3D.Viewers -@using HomagGroup.Blazor3D.Cameras
@@ -155,5 +140,4 @@ View3D1.ObjectSelected -= OnObjectSelected; View3D1.JsModuleLoaded -= OnModuleLoaded; } -} - +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/_Host.cshtml b/src/dotnet/Blazor3D/TestServer/Pages/_Host.cshtml deleted file mode 100644 index 836ad3c..0000000 --- a/src/dotnet/Blazor3D/TestServer/Pages/_Host.cshtml +++ /dev/null @@ -1,8 +0,0 @@ -@page "/" -@namespace TestServer.Pages; -@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers -@{ - Layout = "_Layout"; -} - - diff --git a/src/dotnet/Blazor3D/TestServer/Pages/_Layout.cshtml b/src/dotnet/Blazor3D/TestServer/Pages/_Layout.cshtml deleted file mode 100644 index 7d7f205..0000000 --- a/src/dotnet/Blazor3D/TestServer/Pages/_Layout.cshtml +++ /dev/null @@ -1,32 +0,0 @@ -@using Microsoft.AspNetCore.Components.Web -@namespace TestServer.Pages; -@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers - - - - - - - - - - - - - -@RenderBody() - -
- - An error has occurred. This application may no longer respond until reloaded. - - - An unhandled exception has occurred. See browser dev tools for details. - - Reload - 🗙 -
- - - - diff --git a/src/dotnet/Blazor3D/TestServer/Program.cs b/src/dotnet/Blazor3D/TestServer/Program.cs index 3f7b537..a89d213 100644 --- a/src/dotnet/Blazor3D/TestServer/Program.cs +++ b/src/dotnet/Blazor3D/TestServer/Program.cs @@ -1,12 +1,9 @@ -using Microsoft.AspNetCore.Components; -using Microsoft.AspNetCore.Components.Web; - - var builder = WebApplication.CreateBuilder(args); // Add services to the container. -builder.Services.AddRazorPages(); -builder.Services.AddServerSideBlazor(); +builder.Services.AddRazorComponents().AddInteractiveServerComponents(); + +builder.Services.AddBlazor3DFileTypes(); var app = builder.Build(); @@ -24,7 +21,8 @@ app.UseRouting(); -app.MapBlazorHub(); -app.MapFallbackToPage("/_Host"); +app.UseAntiforgery(); + +app.MapRazorComponents().AddInteractiveServerRenderMode(); -app.Run(); +app.Run(); \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Routes.razor b/src/dotnet/Blazor3D/TestServer/Routes.razor new file mode 100644 index 0000000..5212a2b --- /dev/null +++ b/src/dotnet/Blazor3D/TestServer/Routes.razor @@ -0,0 +1,12 @@ + + + + + + + Not found + +

Sorry, there's nothing at this address.

+ + + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/TestServer.csproj b/src/dotnet/Blazor3D/TestServer/TestServer.csproj index ccbbe8f..7daf004 100644 --- a/src/dotnet/Blazor3D/TestServer/TestServer.csproj +++ b/src/dotnet/Blazor3D/TestServer/TestServer.csproj @@ -1,17 +1,13 @@ - - net6.0 - enable - enable - + + net8.0 + enable + enable + - - - + + + - - - - - + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/_Imports.razor b/src/dotnet/Blazor3D/TestServer/_Imports.razor index 447010e..c03bb87 100644 --- a/src/dotnet/Blazor3D/TestServer/_Imports.razor +++ b/src/dotnet/Blazor3D/TestServer/_Imports.razor @@ -1,4 +1,21 @@ -@using System.Net.Http +@using HomagGroup.Blazor3D +@using HomagGroup.Blazor3D.Cameras +@using HomagGroup.Blazor3D.Core +@using HomagGroup.Blazor3D.Enums +@using HomagGroup.Blazor3D.Events +@using HomagGroup.Blazor3D.Extras.Core +@using HomagGroup.Blazor3D.Geometires +@using HomagGroup.Blazor3D.Geometires.Curves +@using HomagGroup.Blazor3D.Geometires.Text +@using HomagGroup.Blazor3D.Helpers +@using HomagGroup.Blazor3D.Lights +@using HomagGroup.Blazor3D.Materials +@using HomagGroup.Blazor3D.Maths +@using HomagGroup.Blazor3D.Objects +@using HomagGroup.Blazor3D.Scenes +@using HomagGroup.Blazor3D.Settings +@using HomagGroup.Blazor3D.Textures; +@using HomagGroup.Blazor3D.Viewers @using Microsoft.AspNetCore.Authorization @using Microsoft.AspNetCore.Components.Authorization @using Microsoft.AspNetCore.Components.Forms @@ -6,8 +23,8 @@ @using Microsoft.AspNetCore.Components.Web @using Microsoft.AspNetCore.Components.Web.Virtualization @using Microsoft.JSInterop +@using System.Globalization +@using System.Net.Http @using TestServer @using TestServer.Shared -@using HomagGroup.Blazor3D -@using HomagGroup.Blazor3D.Settings - +@using static Microsoft.AspNetCore.Components.Web.RenderMode \ No newline at end of file From 9eaee3567bc34539dc80881488842a18c3ba59be Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Sat, 23 Dec 2023 23:07:33 +0530 Subject: [PATCH 07/17] Code Cleanup & Formatting --- .../Cameras/OrthographicCameraTests.cs | 46 +- .../Cameras/PerspectiveCameraTests.cs | 32 +- .../Blazor3D/Blazor3D.Tests/GlobalUsings.cs | 9 + .../Helpers/ArrowHelperTests.cs | 69 +- .../Blazor3D.Tests/Helpers/AxesHelperTests.cs | 20 +- .../Blazor3D.Tests/Helpers/BoxHelperTests.cs | 29 +- .../Blazor3D.Tests/Helpers/GridHelperTests.cs | 33 +- .../Helpers/PlaneHelperTests.cs | 50 +- .../Helpers/PointLightHelperTests.cs | 39 +- .../Helpers/PolarGridHelperTests.cs | 41 +- .../HomagGroup.Blazor3D.Tests.csproj | 32 +- .../Settings/AnimateRotationSettingsTests.cs | 33 +- src/dotnet/Blazor3D/Blazor3D.Tests/Usings.cs | 1 - .../Blazor3D/Cameras/OrthographicCamera.cs | 4 +- .../ComponentHelpers/ChildrenHelper.cs | 12 +- .../Blazor3D/Controls/OrbitControls.cs | 2 + .../Blazor3D/Blazor3D/Core/BufferGeometry.cs | 4 +- .../Blazor3D/Blazor3D/Enums/ImportModels.cs | 5 + .../Blazor3D/Blazor3D/Enums/WrappingType.cs | 2 + .../Blazor3D/Blazor3D/Extras/Core/Shape.cs | 6 +- .../Blazor3D/Geometires/BoxGeometry.cs | 3 +- .../Blazor3D/Geometires/CircleGeometry.cs | 6 +- .../Blazor3D/Geometires/ConeGeometry.cs | 5 +- .../Geometires/Curves/SplineCurveGeometry.cs | 5 +- .../Blazor3D/Geometires/Lines/LineGeometry.cs | 1 - .../Blazor3D/Geometires/OctahedronGeometry.cs | 1 + .../Blazor3D/Geometires/PlaneGeometry.cs | 1 + .../Blazor3D/Geometires/ShapeGeometry.cs | 2 +- .../Geometires/TetrahedronGeometry.cs | 2 +- .../Geometires/Text/TextStrokeGeometry.cs | 2 +- .../Blazor3D/Geometires/TorusGeometry.cs | 3 +- .../Blazor3D/Geometires/TorusKnotGeometry.cs | 3 +- src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs | 1 + .../Blazor3D/Blazor3D/Helpers/BoxHelper.cs | 1 - .../Blazor3D/Blazor3D/Helpers/GridHelper.cs | 3 +- .../Blazor3D/Helpers/PolarGridHelper.cs | 1 + .../Blazor3D/Blazor3D/Lights/PointLight.cs | 2 +- .../Blazor3D/Materials/LineBasicMaterial.cs | 4 +- .../Blazor3D/Blazor3D/Materials/Material.cs | 4 +- .../Materials/MeshStandardMaterial.cs | 2 - .../Blazor3D/Materials/SpriteMaterial.cs | 1 - src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs | 3 + src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs | 1 - src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs | 9 +- src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs | 11 +- src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs | 7 +- src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs | 6 +- .../Blazor3D/Blazor3D/Objects/Sprite.cs | 7 +- src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs | 1 - src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs | 1 - .../Settings/AnimateRotationSettings.cs | 8 +- .../Blazor3D/Settings/ImportSettings.cs | 4 + .../Settings/WebGLRendererSettings.cs | 2 +- .../Blazor3D/Blazor3D/Textures/Texture.cs | 6 +- .../Blazor3D/Blazor3D/Viewers/Viewer.razor | 2 +- .../Blazor3D/Blazor3D/Viewers/Viewer.razor.cs | 19 +- .../Blazor3D/Viewers/Viewer.razor.css | 5 +- src/dotnet/Blazor3D/Blazor3D/_Imports.razor | 2 +- src/dotnet/Blazor3D/TestServer/App.razor | 38 +- .../Blazor3D/TestServer/Pages/Error.cshtml | 50 +- .../Blazor3D/TestServer/Pages/Error.cshtml.cs | 8 +- .../Blazor3D/TestServer/Pages/Index.razor | 338 ++-- .../Blazor3D/TestServer/Pages/Page2.razor | 243 +-- .../Blazor3D/TestServer/Pages/Page3.razor | 72 +- .../Blazor3D/TestServer/Pages/Page4.razor | 68 +- .../Blazor3D/TestServer/Pages/Page5.razor | 135 +- .../Blazor3D/TestServer/Pages/Page6.razor | 46 +- .../Blazor3D/TestServer/Pages/Page7.razor | 98 +- .../TestServer/Properties/launchSettings.json | 2 +- src/dotnet/Blazor3D/TestServer/Routes.razor | 4 +- .../TestServer/Shared/MainLayout.razor | 4 +- .../TestServer/Shared/MainLayout.razor.css | 42 +- .../Blazor3D/TestServer/Shared/NavMenu.razor | 3 +- .../TestServer/Shared/NavMenu.razor.css | 44 +- .../TestServer/appsettings.Development.json | 2 +- .../Blazor3D/TestServer/appsettings.json | 2 +- .../Blazor3D/TestServer/wwwroot/css/site.css | 50 +- .../fonts/helvetiker_regular.typeface.json | 1545 ++++++++++++++++- src/dotnet/Blazor3D/TestWebAsm/App.razor | 6 +- .../Blazor3D/TestWebAsm/Pages/Index.razor | 101 +- src/dotnet/Blazor3D/TestWebAsm/Program.cs | 2 +- .../TestWebAsm/Properties/launchSettings.json | 2 +- .../TestWebAsm/Shared/MainLayout.razor | 4 +- .../TestWebAsm/Shared/MainLayout.razor.css | 48 +- .../Blazor3D/TestWebAsm/Shared/NavMenu.razor | 3 +- .../TestWebAsm/Shared/NavMenu.razor.css | 44 +- .../Blazor3D/TestWebAsm/TestWebAsm.csproj | 27 +- src/dotnet/Blazor3D/TestWebAsm/_Imports.razor | 2 +- .../Blazor3D/TestWebAsm/wwwroot/css/app.css | 44 +- .../Blazor3D/TestWebAsm/wwwroot/index.html | 28 +- 90 files changed, 2597 insertions(+), 1124 deletions(-) create mode 100644 src/dotnet/Blazor3D/Blazor3D.Tests/GlobalUsings.cs delete mode 100644 src/dotnet/Blazor3D/Blazor3D.Tests/Usings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/OrthographicCameraTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/OrthographicCameraTests.cs index fce53e3..150ac16 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/OrthographicCameraTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/OrthographicCameraTests.cs @@ -1,5 +1,3 @@ -using HomagGroup.Blazor3D.Cameras; - namespace HomagGroup.Blazor3D.Tests.Cameras; [TestClass] @@ -8,30 +6,30 @@ public class OrthographicCameraTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var camera = new OrthographicCamera(); - Assert.AreEqual("OrthographicCamera", camera.Type); - Assert.AreEqual(0.1, camera.Near); - Assert.AreEqual(2000, camera.Far); - Assert.AreEqual(-1, camera.Left); - Assert.AreEqual(1, camera.Right); - Assert.AreEqual(1, camera.Top); - Assert.AreEqual(-1, camera.Bottom); - Assert.AreEqual(1, camera.Zoom); - Assert.IsNotNull(camera.AnimateRotationSettings); - Assert.IsNotNull(camera.LookAt); - } + var camera = new OrthographicCamera(); + Assert.AreEqual("OrthographicCamera", camera.Type); + Assert.AreEqual(0.1, camera.Near); + Assert.AreEqual(2000, camera.Far); + Assert.AreEqual(-1, camera.Left); + Assert.AreEqual(1, camera.Right); + Assert.AreEqual(1, camera.Top); + Assert.AreEqual(-1, camera.Bottom); + Assert.AreEqual(1, camera.Zoom); + Assert.IsNotNull(camera.AnimateRotationSettings); + Assert.IsNotNull(camera.LookAt); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var camera = new OrthographicCamera(left: -2, right: 2, top: 2, bottom: -2, near: 0, far: 100, zoom: 0.5); - Assert.AreEqual("OrthographicCamera", camera.Type); - Assert.AreEqual(0, camera.Near); - Assert.AreEqual(100, camera.Far); - Assert.AreEqual(-2, camera.Left); - Assert.AreEqual(2, camera.Right); - Assert.AreEqual(2, camera.Top); - Assert.AreEqual(-2, camera.Bottom); - Assert.AreEqual(0.5, camera.Zoom); - } + var camera = new OrthographicCamera(left: -2, right: 2, top: 2, bottom: -2, near: 0, far: 100, zoom: 0.5); + Assert.AreEqual("OrthographicCamera", camera.Type); + Assert.AreEqual(0, camera.Near); + Assert.AreEqual(100, camera.Far); + Assert.AreEqual(-2, camera.Left); + Assert.AreEqual(2, camera.Right); + Assert.AreEqual(2, camera.Top); + Assert.AreEqual(-2, camera.Bottom); + Assert.AreEqual(0.5, camera.Zoom); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/PerspectiveCameraTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/PerspectiveCameraTests.cs index bd13864..95139a9 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/PerspectiveCameraTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Cameras/PerspectiveCameraTests.cs @@ -1,6 +1,4 @@ -using HomagGroup.Blazor3D.Cameras; - -namespace HomagGroup.Blazor3D.Tests.Cameras; +namespace HomagGroup.Blazor3D.Tests.Cameras; [TestClass] public class PerspectiveCameraTests @@ -8,22 +6,22 @@ public class PerspectiveCameraTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var camera = new PerspectiveCamera(); - Assert.AreEqual("PerspectiveCamera", camera.Type); - Assert.AreEqual(0.1, camera.Near); - Assert.AreEqual(1000, camera.Far); - Assert.AreEqual(75, camera.Fov); - Assert.IsNotNull(camera.AnimateRotationSettings); - Assert.IsNotNull(camera.LookAt); - } + var camera = new PerspectiveCamera(); + Assert.AreEqual("PerspectiveCamera", camera.Type); + Assert.AreEqual(0.1, camera.Near); + Assert.AreEqual(1000, camera.Far); + Assert.AreEqual(75, camera.Fov); + Assert.IsNotNull(camera.AnimateRotationSettings); + Assert.IsNotNull(camera.LookAt); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithPredefinedValues() { - var camera = new PerspectiveCamera(fov:10, near:0.2, far:100); - Assert.AreEqual("PerspectiveCamera", camera.Type); - Assert.AreEqual(0.2, camera.Near); - Assert.AreEqual(100, camera.Far); - Assert.AreEqual(10, camera.Fov); - } + var camera = new PerspectiveCamera(fov: 10, near: 0.2, far: 100); + Assert.AreEqual("PerspectiveCamera", camera.Type); + Assert.AreEqual(0.2, camera.Near); + Assert.AreEqual(100, camera.Far); + Assert.AreEqual(10, camera.Fov); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/GlobalUsings.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/GlobalUsings.cs new file mode 100644 index 0000000..324d160 --- /dev/null +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/GlobalUsings.cs @@ -0,0 +1,9 @@ +// Global using directives + +global using HomagGroup.Blazor3D.Cameras; +global using HomagGroup.Blazor3D.Helpers; +global using HomagGroup.Blazor3D.Lights; +global using HomagGroup.Blazor3D.Maths; +global using HomagGroup.Blazor3D.Objects; +global using HomagGroup.Blazor3D.Settings; +global using Microsoft.VisualStudio.TestTools.UnitTesting; \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/ArrowHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/ArrowHelperTests.cs index f38cf4b..4ad78fe 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/ArrowHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/ArrowHelperTests.cs @@ -1,7 +1,4 @@ -using HomagGroup.Blazor3D.Helpers; -using HomagGroup.Blazor3D.Maths; - -namespace HomagGroup.Blazor3D.Tests.Helpers; +namespace HomagGroup.Blazor3D.Tests.Helpers; [TestClass] public class ArrowHelperTests @@ -9,40 +6,40 @@ public class ArrowHelperTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var arrow = new ArrowHelper(); - Assert.AreEqual("ArrowHelper", arrow.Type); - Assert.AreEqual(0, arrow.Dir.X); - Assert.AreEqual(0, arrow.Dir.Y); - Assert.AreEqual(1, arrow.Dir.Z); - Assert.AreEqual(0, arrow.Origin.X); - Assert.AreEqual(0, arrow.Origin.Y); - Assert.AreEqual(0, arrow.Origin.Z); - Assert.AreEqual(1, arrow.Length); - Assert.AreEqual("0xffff00", arrow.Color); - Assert.AreEqual(0.2, arrow.HeadLength); - Assert.AreEqual(0.2*0.2, arrow.HeadWidth); - } + var arrow = new ArrowHelper(); + Assert.AreEqual("ArrowHelper", arrow.Type); + Assert.AreEqual(0, arrow.Dir.X); + Assert.AreEqual(0, arrow.Dir.Y); + Assert.AreEqual(1, arrow.Dir.Z); + Assert.AreEqual(0, arrow.Origin.X); + Assert.AreEqual(0, arrow.Origin.Y); + Assert.AreEqual(0, arrow.Origin.Z); + Assert.AreEqual(1, arrow.Length); + Assert.AreEqual("0xffff00", arrow.Color); + Assert.AreEqual(0.2, arrow.HeadLength); + Assert.AreEqual(0.2 * 0.2, arrow.HeadWidth); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var arrow = new ArrowHelper( - dir: new Vector3(3, 3, 3), - origin: new Vector3(3,3,3), - length: 5, - color: "red", - headLength: 2, - headWidth: 4); - Assert.AreEqual("ArrowHelper", arrow.Type); - Assert.AreEqual(3, arrow.Dir.X); - Assert.AreEqual(3, arrow.Dir.Y); - Assert.AreEqual(3, arrow.Dir.Z); - Assert.AreEqual(3, arrow.Origin.X); - Assert.AreEqual(3, arrow.Origin.Y); - Assert.AreEqual(3, arrow.Origin.Z); - Assert.AreEqual(5, arrow.Length); - Assert.AreEqual("red", arrow.Color); - Assert.AreEqual(2, arrow.HeadLength); - Assert.AreEqual(4, arrow.HeadWidth); - } + var arrow = new ArrowHelper( + dir: new Vector3(3, 3, 3), + origin: new Vector3(3, 3, 3), + length: 5, + color: "red", + headLength: 2, + headWidth: 4); + Assert.AreEqual("ArrowHelper", arrow.Type); + Assert.AreEqual(3, arrow.Dir.X); + Assert.AreEqual(3, arrow.Dir.Y); + Assert.AreEqual(3, arrow.Dir.Z); + Assert.AreEqual(3, arrow.Origin.X); + Assert.AreEqual(3, arrow.Origin.Y); + Assert.AreEqual(3, arrow.Origin.Z); + Assert.AreEqual(5, arrow.Length); + Assert.AreEqual("red", arrow.Color); + Assert.AreEqual(2, arrow.HeadLength); + Assert.AreEqual(4, arrow.HeadWidth); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/AxesHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/AxesHelperTests.cs index 71a0b20..b5a7215 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/AxesHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/AxesHelperTests.cs @@ -1,6 +1,4 @@ -using HomagGroup.Blazor3D.Helpers; - -namespace HomagGroup.Blazor3D.Tests.Helpers; +namespace HomagGroup.Blazor3D.Tests.Helpers; [TestClass] public class AxesHelperTests @@ -8,16 +6,16 @@ public class AxesHelperTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var helper = new AxesHelper(); - Assert.AreEqual("AxesHelper", helper.Type); - Assert.AreEqual(1, helper.Size); - } + var helper = new AxesHelper(); + Assert.AreEqual("AxesHelper", helper.Type); + Assert.AreEqual(1, helper.Size); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var helper = new AxesHelper(5); - Assert.AreEqual("AxesHelper", helper.Type); - Assert.AreEqual(5, helper.Size); - } + var helper = new AxesHelper(5); + Assert.AreEqual("AxesHelper", helper.Type); + Assert.AreEqual(5, helper.Size); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/BoxHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/BoxHelperTests.cs index 11af3e2..544af17 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/BoxHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/BoxHelperTests.cs @@ -1,9 +1,4 @@ -using HomagGroup.Blazor3D.Helpers; -using HomagGroup.Blazor3D.Objects; -using System; -using System.Collections.Generic; - -namespace HomagGroup.Blazor3D.Tests.Helpers; +namespace HomagGroup.Blazor3D.Tests.Helpers; [TestClass] public class BoxHelperTests @@ -11,19 +6,19 @@ public class BoxHelperTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var helper = new BoxHelper(); - Assert.AreEqual("BoxHelper", helper.Type); - Assert.IsNull(helper.Object3D); - Assert.AreEqual("0xffff00", helper.Color); - } + var helper = new BoxHelper(); + Assert.AreEqual("BoxHelper", helper.Type); + Assert.IsNull(helper.Object3D); + Assert.AreEqual("0xffff00", helper.Color); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var mesh = new Mesh(); - var helper = new BoxHelper(mesh, "red"); - Assert.AreEqual("BoxHelper", helper.Type); - Assert.IsNotNull(helper.Object3D); - Assert.AreEqual("red", helper.Color); - } + var mesh = new Mesh(); + var helper = new BoxHelper(mesh, "red"); + Assert.AreEqual("BoxHelper", helper.Type); + Assert.IsNotNull(helper.Object3D); + Assert.AreEqual("red", helper.Color); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/GridHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/GridHelperTests.cs index af4fdc3..37745cb 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/GridHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/GridHelperTests.cs @@ -1,6 +1,4 @@ -using HomagGroup.Blazor3D.Helpers; - -namespace HomagGroup.Blazor3D.Tests.Helpers; +namespace HomagGroup.Blazor3D.Tests.Helpers; [TestClass] public class GridHelperTests @@ -8,23 +6,22 @@ public class GridHelperTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var grid = new GridHelper(); - Assert.AreEqual("GridHelper", grid.Type); - Assert.AreEqual(10, grid.Size); - Assert.AreEqual(10, grid.Divisions); - Assert.AreEqual("0x444444", grid.ColorCenterLine); - Assert.AreEqual("0x888888", grid.ColorGrid); - - } + var grid = new GridHelper(); + Assert.AreEqual("GridHelper", grid.Type); + Assert.AreEqual(10, grid.Size); + Assert.AreEqual(10, grid.Divisions); + Assert.AreEqual("0x444444", grid.ColorCenterLine); + Assert.AreEqual("0x888888", grid.ColorGrid); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var grid = new GridHelper(6, 6, "red", "orange"); - Assert.AreEqual("GridHelper", grid.Type); - Assert.AreEqual(6, grid.Size); - Assert.AreEqual(6, grid.Divisions); - Assert.AreEqual("red", grid.ColorCenterLine); - Assert.AreEqual("orange", grid.ColorGrid); - } + var grid = new GridHelper(6, 6, "red", "orange"); + Assert.AreEqual("GridHelper", grid.Type); + Assert.AreEqual(6, grid.Size); + Assert.AreEqual(6, grid.Divisions); + Assert.AreEqual("red", grid.ColorCenterLine); + Assert.AreEqual("orange", grid.ColorGrid); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PlaneHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PlaneHelperTests.cs index a77de24..8b60ac0 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PlaneHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PlaneHelperTests.cs @@ -1,7 +1,4 @@ -using HomagGroup.Blazor3D.Helpers; -using HomagGroup.Blazor3D.Maths; - -namespace HomagGroup.Blazor3D.Tests.Helpers; +namespace HomagGroup.Blazor3D.Tests.Helpers; [TestClass] public class PlaneHelperTests @@ -9,31 +6,30 @@ public class PlaneHelperTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var plane = new PlaneHelper(); - Assert.AreEqual("PlaneHelper", plane.Type); - Assert.IsNotNull(plane.Plane); - Assert.IsNotNull(plane.Plane.Normal); - Assert.AreEqual(1, plane.Plane.Normal.X); - Assert.AreEqual(0, plane.Plane.Normal.Y); - Assert.AreEqual(0, plane.Plane.Normal.Z); - Assert.AreEqual(0, plane.Plane.Constant); - Assert.AreEqual(1, plane.Size); - Assert.AreEqual("0xffff00", plane.Color); - - } + var plane = new PlaneHelper(); + Assert.AreEqual("PlaneHelper", plane.Type); + Assert.IsNotNull(plane.Plane); + Assert.IsNotNull(plane.Plane.Normal); + Assert.AreEqual(1, plane.Plane.Normal.X); + Assert.AreEqual(0, plane.Plane.Normal.Y); + Assert.AreEqual(0, plane.Plane.Normal.Z); + Assert.AreEqual(0, plane.Plane.Constant); + Assert.AreEqual(1, plane.Size); + Assert.AreEqual("0xffff00", plane.Color); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var plane = new PlaneHelper(new Plane(new Vector3(1, 1, 1), 1)); - Assert.AreEqual("PlaneHelper", plane.Type); - Assert.IsNotNull(plane.Plane); - Assert.IsNotNull(plane.Plane.Normal); - Assert.AreEqual(1, plane.Plane.Normal.X); - Assert.AreEqual(1, plane.Plane.Normal.Y); - Assert.AreEqual(1, plane.Plane.Normal.Z); - Assert.AreEqual(1, plane.Plane.Constant); - Assert.AreEqual(1, plane.Size); - Assert.AreEqual("0xffff00", plane.Color); - } + var plane = new PlaneHelper(new Plane(new Vector3(1, 1, 1), 1)); + Assert.AreEqual("PlaneHelper", plane.Type); + Assert.IsNotNull(plane.Plane); + Assert.IsNotNull(plane.Plane.Normal); + Assert.AreEqual(1, plane.Plane.Normal.X); + Assert.AreEqual(1, plane.Plane.Normal.Y); + Assert.AreEqual(1, plane.Plane.Normal.Z); + Assert.AreEqual(1, plane.Plane.Constant); + Assert.AreEqual(1, plane.Size); + Assert.AreEqual("0xffff00", plane.Color); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PointLightHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PointLightHelperTests.cs index 2978a90..30016ed 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PointLightHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PointLightHelperTests.cs @@ -1,7 +1,4 @@ -using HomagGroup.Blazor3D.Helpers; -using HomagGroup.Blazor3D.Lights; - -namespace HomagGroup.Blazor3D.Tests.Helpers; +namespace HomagGroup.Blazor3D.Tests.Helpers; [TestClass] public class PointLightHelperTests @@ -9,26 +6,26 @@ public class PointLightHelperTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var helper = new PointLightHelper(); - Assert.AreEqual("PointLightHelper", helper.Type); - Assert.IsNotNull(helper.Light); - Assert.IsNull(helper.Color); - Assert.AreEqual(1, helper.SphereSize); - } + var helper = new PointLightHelper(); + Assert.AreEqual("PointLightHelper", helper.Type); + Assert.IsNotNull(helper.Light); + Assert.IsNull(helper.Color); + Assert.AreEqual(1, helper.SphereSize); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var light = new PointLight() - { - Color = "red" - }; + var light = new PointLight() + { + Color = "red" + }; - var helper = new PointLightHelper(light, 2, "blue"); - Assert.AreEqual("PointLightHelper", helper.Type); - Assert.IsNotNull(helper.Light); - Assert.AreEqual("red", helper.Light.Color); - Assert.AreEqual(2, helper.SphereSize); - Assert.AreEqual("blue", helper.Color); - } + var helper = new PointLightHelper(light, 2, "blue"); + Assert.AreEqual("PointLightHelper", helper.Type); + Assert.IsNotNull(helper.Light); + Assert.AreEqual("red", helper.Light.Color); + Assert.AreEqual(2, helper.SphereSize); + Assert.AreEqual("blue", helper.Color); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PolarGridHelperTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PolarGridHelperTests.cs index 35912f0..a48ad2f 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PolarGridHelperTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Helpers/PolarGridHelperTests.cs @@ -1,6 +1,4 @@ -using HomagGroup.Blazor3D.Helpers; - -namespace HomagGroup.Blazor3D.Tests.Helpers; +namespace HomagGroup.Blazor3D.Tests.Helpers; [TestClass] public class PolarGridHelperTests @@ -8,27 +6,26 @@ public class PolarGridHelperTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var grid = new PolarGridHelper(); - Assert.AreEqual("PolarGridHelper", grid.Type); - Assert.AreEqual(10, grid.Radius); - Assert.AreEqual(16, grid.Radials); - Assert.AreEqual(8, grid.Circles); - Assert.AreEqual(64, grid.Divisions); - Assert.AreEqual("0x444444", grid.Color1); - Assert.AreEqual("0x888888", grid.Color2); - - } + var grid = new PolarGridHelper(); + Assert.AreEqual("PolarGridHelper", grid.Type); + Assert.AreEqual(10, grid.Radius); + Assert.AreEqual(16, grid.Radials); + Assert.AreEqual(8, grid.Circles); + Assert.AreEqual(64, grid.Divisions); + Assert.AreEqual("0x444444", grid.Color1); + Assert.AreEqual("0x888888", grid.Color2); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var grid = new PolarGridHelper(2, 2, 6, 32, "red", "orange"); - Assert.AreEqual("PolarGridHelper", grid.Type); - Assert.AreEqual(2, grid.Radius); - Assert.AreEqual(2, grid.Radials); - Assert.AreEqual(6, grid.Circles); - Assert.AreEqual(32, grid.Divisions); - Assert.AreEqual("red", grid.Color1); - Assert.AreEqual("orange", grid.Color2); - } + var grid = new PolarGridHelper(2, 2, 6, 32, "red", "orange"); + Assert.AreEqual("PolarGridHelper", grid.Type); + Assert.AreEqual(2, grid.Radius); + Assert.AreEqual(2, grid.Radials); + Assert.AreEqual(6, grid.Circles); + Assert.AreEqual(32, grid.Divisions); + Assert.AreEqual("red", grid.Color1); + Assert.AreEqual("orange", grid.Color2); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/HomagGroup.Blazor3D.Tests.csproj b/src/dotnet/Blazor3D/Blazor3D.Tests/HomagGroup.Blazor3D.Tests.csproj index c59c5dd..db11ae9 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/HomagGroup.Blazor3D.Tests.csproj +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/HomagGroup.Blazor3D.Tests.csproj @@ -1,22 +1,22 @@  - - net6.0 - enable - enable + + net6.0 + enable + enable - false - + false + - - - - - - + + + + + + - - - + + + - + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Settings/AnimateRotationSettingsTests.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Settings/AnimateRotationSettingsTests.cs index 883dc83..79b4c30 100644 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Settings/AnimateRotationSettingsTests.cs +++ b/src/dotnet/Blazor3D/Blazor3D.Tests/Settings/AnimateRotationSettingsTests.cs @@ -1,6 +1,4 @@ -using HomagGroup.Blazor3D.Settings; - -namespace HomagGroup.Blazor3D.Tests.Settings; +namespace HomagGroup.Blazor3D.Tests.Settings; [TestClass] public class AnimateRotationSettingsTests @@ -8,25 +6,24 @@ public class AnimateRotationSettingsTests [TestMethod] public void DefaultConstuctorShouldCreateWithPredefinedValues() { - var settings = new AnimateRotationSettings(); + var settings = new AnimateRotationSettings(); - Assert.AreEqual(false, settings.AnimateRotation); - Assert.AreEqual(0.1, settings.ThetaX); - Assert.AreEqual(0.1, settings.ThetaY); - Assert.AreEqual(0.1, settings.ThetaZ); - Assert.AreEqual(5, settings.Radius); - - } + Assert.AreEqual(false, settings.AnimateRotation); + Assert.AreEqual(0.1, settings.ThetaX); + Assert.AreEqual(0.1, settings.ThetaY); + Assert.AreEqual(0.1, settings.ThetaZ); + Assert.AreEqual(5, settings.Radius); + } [TestMethod] public void ConstuctorWithParamsShouldCreateWithSpecifiedValues() { - var settings = new AnimateRotationSettings(true, 1, 1, 1, 1); + var settings = new AnimateRotationSettings(true, 1, 1, 1, 1); - Assert.AreEqual(true, settings.AnimateRotation); - Assert.AreEqual(1, settings.ThetaX); - Assert.AreEqual(1, settings.ThetaY); - Assert.AreEqual(1, settings.ThetaZ); - Assert.AreEqual(1, settings.Radius); - } + Assert.AreEqual(true, settings.AnimateRotation); + Assert.AreEqual(1, settings.ThetaX); + Assert.AreEqual(1, settings.ThetaY); + Assert.AreEqual(1, settings.ThetaZ); + Assert.AreEqual(1, settings.Radius); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D.Tests/Usings.cs b/src/dotnet/Blazor3D/Blazor3D.Tests/Usings.cs deleted file mode 100644 index ab67c7e..0000000 --- a/src/dotnet/Blazor3D/Blazor3D.Tests/Usings.cs +++ /dev/null @@ -1 +0,0 @@ -global using Microsoft.VisualStudio.TestTools.UnitTesting; \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Cameras/OrthographicCamera.cs b/src/dotnet/Blazor3D/Blazor3D/Cameras/OrthographicCamera.cs index d78fcde..83538e5 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Cameras/OrthographicCamera.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Cameras/OrthographicCamera.cs @@ -9,7 +9,6 @@ public sealed class OrthographicCamera : Camera { public OrthographicCamera() : base("OrthographicCamera") { - } /// @@ -22,7 +21,8 @@ public OrthographicCamera() : base("OrthographicCamera") /// Camera frustum near plane distance. Default is 0.1. /// Camera frustum far plane distance. Default is 1000. /// Zoom factor of the camera. Default is 1. - public OrthographicCamera(double left = -1, double right = 1, double top = 1, double bottom = -1, double near = 0.1, double far = 2000, double zoom = 1) : this() + public OrthographicCamera(double left = -1, double right = 1, double top = 1, double bottom = -1, double near = 0.1, + double far = 2000, double zoom = 1) : this() { Left = left; Right = right; diff --git a/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/ChildrenHelper.cs b/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/ChildrenHelper.cs index bb7fbb2..2b0a029 100644 --- a/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/ChildrenHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/ComponentHelpers/ChildrenHelper.cs @@ -1,5 +1,4 @@ - -namespace HomagGroup.Blazor3D.ComponentHelpers; +namespace HomagGroup.Blazor3D.ComponentHelpers; internal static class ChildrenHelper { @@ -17,7 +16,9 @@ internal static void RemoveObjectByUuid(Guid uuid, List children) if (child.Children.Count > 0) { RemoveObjectByUuid(uuid, child.Children); - }; + } + + ; } if (result != null) @@ -41,8 +42,11 @@ internal static void RemoveObjectByUuid(Guid uuid, List children) { return result; } - }; + } + + ; } + return result; } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Controls/OrbitControls.cs b/src/dotnet/Blazor3D/Blazor3D/Controls/OrbitControls.cs index c892bc5..5e91567 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Controls/OrbitControls.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Controls/OrbitControls.cs @@ -9,10 +9,12 @@ public sealed class OrbitControls /// If true, then enabled. Otherwise, disabled. Default is true. /// public bool Enabled { get; set; } = true; + /// /// Minimal distance. Default is 0. /// public double MinDistance { get; set; } = 0; + /// /// Maximal distance to zoom. Default is 10000; /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Core/BufferGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Core/BufferGeometry.cs index 2d32e16..6c3b8f8 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Core/BufferGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Core/BufferGeometry.cs @@ -10,8 +10,8 @@ public abstract class BufferGeometry { protected BufferGeometry(string type) { - Type = type; - } + Type = type; + } /// /// Optional name of the object. Default is an empty string. It has not to be unique. diff --git a/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs b/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs index 7a4e128..088869a 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Enums/ImportModels.cs @@ -9,22 +9,27 @@ public enum Import3DFormats ///Wavefront Object format. /// Obj, + /// /// Collada format. /// Collada, + /// /// Autodesk FBX format. /// Fbx, + /// /// glTF format. /// Gltf, + /// /// Stl format. /// Stl, + /// /// Usdz format. /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Enums/WrappingType.cs b/src/dotnet/Blazor3D/Blazor3D/Enums/WrappingType.cs index 0627a9f..6b47d99 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Enums/WrappingType.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Enums/WrappingType.cs @@ -9,10 +9,12 @@ public enum WrappingType /// The texture will simply repeat to infinity ///
RepeatWrapping = 1000, + /// /// The last pixel of the texture stretches to the edge of the mesh. /// ClampToEdgeWrapping = 1001, + /// /// The texture will repeats to infinity, mirroring on each repeat. /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Extras/Core/Shape.cs b/src/dotnet/Blazor3D/Blazor3D/Extras/Core/Shape.cs index 6a5e3aa..5ead6a3 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Extras/Core/Shape.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Extras/Core/Shape.cs @@ -1,6 +1,4 @@ -using HomagGroup.Blazor3D.Geometires; - -namespace HomagGroup.Blazor3D.Extras.Core; +namespace HomagGroup.Blazor3D.Extras.Core; /// /// Defines an arbitrary 2d shape plane using paths with optional holes). @@ -29,6 +27,7 @@ public void MoveTo(Vector2 point) { throw new OverflowException("MoveTo() can be used only to define first shape point"); } + Points.Add(point); } @@ -53,6 +52,7 @@ public void LineTo(Vector2 point) { throw new OverflowException("LineTo() cannot be used to define first shape point"); } + Points.Add(point); } diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/BoxGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/BoxGeometry.cs index 6a73bbb..ada3428 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/BoxGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/BoxGeometry.cs @@ -10,7 +10,6 @@ public sealed class BoxGeometry : BufferGeometry { public BoxGeometry() : base("BoxGeometry") { - } /// @@ -28,7 +27,7 @@ public BoxGeometry( double depth = 1, int widthSegments = 1, int heightSegments = 1, - int depthSegments = 1):this() + int depthSegments = 1) : this() { Width = width; Height = height; diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/CircleGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/CircleGeometry.cs index fb75b7f..810c507 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/CircleGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/CircleGeometry.cs @@ -22,7 +22,8 @@ public CircleGeometry() : base("CircleGeometry") /// Number of segments (triangles). Minimum = 3, default = 8. /// Start angle for first segment. Default is 0 (three o'clock position). /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. - public CircleGeometry(double radius = 1, int segments = 8, double thetaStart = 0, double thetaLength = (double)(2 * System.Math.PI)) : this() + public CircleGeometry(double radius = 1, int segments = 8, double thetaStart = 0, + double thetaLength = (double)(2 * Math.PI)) : this() { Radius = radius; Segments = segments; @@ -48,6 +49,5 @@ public CircleGeometry(double radius = 1, int segments = 8, double thetaStart = 0 /// /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. /// - public double ThetaLength { get; set; } = (double)(2 * System.Math.PI); - + public double ThetaLength { get; set; } = (double)(2 * Math.PI); } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/ConeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/ConeGeometry.cs index a35624a..3338f6b 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/ConeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/ConeGeometry.cs @@ -27,7 +27,7 @@ public ConeGeometry( int heightSegments = 1, bool openEnded = false, double thetaStart = 0, - double thetaLength = (double)(2 * System.Math.PI)) : this() + double thetaLength = (double)(2 * Math.PI)) : this() { Radius = radius; Height = height; @@ -71,6 +71,5 @@ public ConeGeometry( /// /// The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete circle. /// - public double ThetaLength { get; set; } = (double)(2 * System.Math.PI); - + public double ThetaLength { get; set; } = (double)(2 * Math.PI); } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Curves/SplineCurveGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/Curves/SplineCurveGeometry.cs index 95c9a84..47f1bea 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/Curves/SplineCurveGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/Curves/SplineCurveGeometry.cs @@ -3,10 +3,11 @@ public class SplineCurveGeometry : BufferGeometry { public SplineCurveGeometry() : base("SplineCurveGeometry") - {} + { + } public List Points { get; set; } = new List(); - + /// /// This value determines the amount of divisions when calculating the cumulative segment lengths of a curve via .getLengths. /// To ensure precision when using methods like .getSpacedPoints, it is recommended to increase .arcLengthDivisions if the curve is very large. Default is 200. diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs index 181c4cc..c7f5819 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs @@ -4,7 +4,6 @@ public class LineGeometry : BufferGeometry { public LineGeometry() : base("LineGeometry") { - } public List Points { get; set; } = new List(); diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/OctahedronGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/OctahedronGeometry.cs index 744a61c..8f28296 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/OctahedronGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/OctahedronGeometry.cs @@ -9,6 +9,7 @@ public sealed class OctahedronGeometry : BufferGeometry public OctahedronGeometry() : base("OctahedronGeometry") { } + /// /// Constructor with parameters /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/PlaneGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/PlaneGeometry.cs index b544e26..74ea5c3 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/PlaneGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/PlaneGeometry.cs @@ -9,6 +9,7 @@ public sealed class PlaneGeometry : BufferGeometry public PlaneGeometry() : base("PlaneGeometry") { } + /// /// Constructor with parameters /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs index e820fac..5118e86 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs @@ -15,7 +15,7 @@ public ShapeGeometry() : base("ShapeGeometry") /// onstructor with parameters /// /// polygonal shape. - public ShapeGeometry(Shape shape):this() + public ShapeGeometry(Shape shape) : this() { Shape = shape; } diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs index 2bf99ec..94b531e 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs @@ -6,10 +6,10 @@ /// public sealed class TetrahedronGeometry : BufferGeometry { - public TetrahedronGeometry() : base("TetrahedronGeometry") { } + /// /// Constructor with parameters /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs index 0937e1b..e308eca 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs @@ -10,7 +10,7 @@ public class TextStrokeGeometry : TextShapeGeometry /// public TextStrokeGeometry() : base("TextStrokeGeometry") { - } + } /// /// Stroke width diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs index 673d9dd..c3850c1 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs @@ -18,7 +18,8 @@ public TorusGeometry() : base("TorusGeometry") /// Number of radial segments. Default is 8. /// Number of tubular segments. Default is 6. /// Central angle. Default is Math.PI * 2. - public TorusGeometry(double radius = 1, double tube = 0.4f, int radialSegments = 8, int tubularSegments = 6, double arc = (double)(2 * Math.PI)) : this() + public TorusGeometry(double radius = 1, double tube = 0.4f, int radialSegments = 8, int tubularSegments = 6, + double arc = (double)(2 * Math.PI)) : this() { Radius = radius; Tube = tube; diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs b/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs index 5056768..ec51281 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs @@ -19,7 +19,8 @@ public TorusKnotGeometry() : base("TorusKnotGeometry") /// Number of tubular segments. Default is 64. /// This value determines, how many times the geometry winds around its axis of rotational symmetry. Default is 2. /// This value determines, how many times the geometry winds around a circle in the interior of the torus. Default is 3. - public TorusKnotGeometry(double radius = 1, double tube = 0.4f, int radialSegments = 8, int tubularSegments = 64, int p = 2, int q = 3) :this() + public TorusKnotGeometry(double radius = 1, double tube = 0.4f, int radialSegments = 8, int tubularSegments = 64, + int p = 2, int q = 3) : this() { Radius = radius; Tube = tube; diff --git a/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs b/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs index 6ada875..9479541 100644 --- a/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs @@ -4,6 +4,7 @@ global using HomagGroup.Blazor3D.Core; global using HomagGroup.Blazor3D.Enums; global using HomagGroup.Blazor3D.Events; +global using HomagGroup.Blazor3D.Geometires; global using HomagGroup.Blazor3D.Lights; global using HomagGroup.Blazor3D.Materials; global using HomagGroup.Blazor3D.Maths; diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs index 6009d0d..082266d 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs @@ -24,5 +24,4 @@ public BoxHelper(Object3D object3d = null!, string color = "0xffff00") : this() public Object3D Object3D { get; set; } = null!; public string Color { get; set; } = "0xffff00"; - } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs index 3ccba3b..e5e7891 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs @@ -12,7 +12,8 @@ public GridHelper() : base("GridHelper") { } - public GridHelper(double size = 10, int devisions = 10, string colorCenterLine = "0x444444", string colorGrid = "0x888888") : this() + public GridHelper(double size = 10, int devisions = 10, string colorCenterLine = "0x444444", + string colorGrid = "0x888888") : this() { Size = size; Divisions = devisions; diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs b/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs index f1eec18..991b30c 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs @@ -42,6 +42,7 @@ public PolarGridHelper( /// The number of circles. This can be any positive integer. Default is 8. /// public int Circles { get; set; } = 8; + /// /// The number of line segments used for each circle. This can be any positive integer that is 3 or greater. Default is 64. /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs b/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs index 3afb089..8a009fb 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs @@ -11,8 +11,8 @@ public sealed class PointLight : Light { public PointLight() : base("PointLight") { - } + /// /// When distance value is NOT 0, light will attenuate linearly from maximum intensity at the light's position down to zero at this distance from the light. /// When distance is zero, light does not attenuate. diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs b/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs index 83f6c75..1028a18 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs @@ -15,12 +15,12 @@ public LineBasicMaterial() : base("LineBasicMaterial") /// /// Define appearance of line ends. Possible values are 'butt', 'round' and 'square'. Default is 'round'. /// - public string LineCap { get; set; } = "round";// todo: deal with enum + public string LineCap { get; set; } = "round"; // todo: deal with enum /// /// Define appearance of line joints. Possible values are 'round', 'bevel' and 'miter'. Default is 'round'. /// - public string LineJoin { get; set; } = "round";// todo: deal with enum + public string LineJoin { get; set; } = "round"; // todo: deal with enum /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs b/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs index 26cdde1..c26a9b8 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs @@ -9,8 +9,8 @@ public abstract class Material { protected Material(string type) { - Type = type; - } + Type = type; + } public string Type { get; } = "Material"; diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs b/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs index 00adffb..0dc87c9 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs @@ -10,10 +10,8 @@ namespace HomagGroup.Blazor3D.Materials; /// public sealed class MeshStandardMaterial : Material { - public MeshStandardMaterial() : base("MeshStandardMaterial") { - } /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs b/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs index 398796a..4d97f84 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs @@ -28,5 +28,4 @@ public SpriteMaterial() : base("SpriteMaterial") /// The rotation of the sprite in radians. Default is 0. /// public double Rotation { get; set; } = 0; - } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs b/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs index 7fdc5dd..d8cee8a 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs @@ -12,14 +12,17 @@ public sealed class Euler /// The double angle of the X axis in radians. Default is 0. Optional. /// public double X { get; set; } + /// /// The double angle of the Y axis in radians. Default is 0. Optional. /// public double Y { get; set; } + /// /// The double angle of the Z axis in radians. Default is 0. Optional. /// public double Z { get; set; } + /// /// String representing the order that the rotations are applied. Default is 'XYZ'. Must be upper case. /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs b/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs index dfc7174..0b4deb8 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs @@ -8,7 +8,6 @@ public sealed class Plane { public Plane() { - } /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs b/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs index 853b0f0..8be2859 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs @@ -11,8 +11,7 @@ public sealed class Vector2 /// public Vector2() { - - } + } /// /// Constructor with parameters. @@ -21,9 +20,9 @@ public Vector2() /// double Y value of this vector. Default is 0. public Vector2(double x, double y) { - X = x; - Y = y; - } + X = x; + Y = y; + } /// /// double X value of this vector. Default is 0. diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs b/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs index adf04fd..66006b0 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs @@ -17,8 +17,7 @@ public sealed class Vector3 /// public Vector3() { - - } + } /// /// Constructor with parameters. @@ -28,10 +27,10 @@ public Vector3() /// double Z value of this vector. Default is 0. public Vector3(double x, double y, double z) { - X = x; - Y = y; - Z = z; - } + X = x; + Y = y; + Z = z; + } /// /// double X value of this vector. Default is 0. diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs index acd5149..7ff7fa1 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs @@ -1,11 +1,12 @@ -using HomagGroup.Blazor3D.Geometires; -using HomagGroup.Blazor3D.Geometires.Lines; +using HomagGroup.Blazor3D.Geometires.Lines; namespace HomagGroup.Blazor3D.Objects; public class Line : Object3D { - public Line() : base("Line") { } + public Line() : base("Line") + { + } /// /// Collection of (or derived classes) materials, defining the object's appearance. diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs index 53e4a23..61461f4 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs @@ -1,6 +1,4 @@ -using HomagGroup.Blazor3D.Geometires; - -namespace HomagGroup.Blazor3D.Objects; +namespace HomagGroup.Blazor3D.Objects; /// /// Class representing triangulated polygon mesh based objects. Also serves as a base for other classes. @@ -12,12 +10,10 @@ public class Mesh : Object3D { public Mesh() : base("Mesh") { - } protected Mesh(string type) : base(type) { - } //TODO: make Array of materials diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs index f38f234..21aa691 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs @@ -1,5 +1,4 @@ -using HomagGroup.Blazor3D.Geometires; -using HomagGroup.Blazor3D.Textures; +using HomagGroup.Blazor3D.Textures; namespace HomagGroup.Blazor3D.Objects; @@ -13,12 +12,10 @@ public class Sprite : Object3D { public Sprite() : base("Sprite") { - } protected Sprite(string type) : base(type) { - } /// @@ -31,5 +28,5 @@ protected Sprite(string type) : base(type) /// coresponds to the midpoint of the sprite. A value of (0,0) corresponds to the lower left corner of the sprite. /// The default is (0.5,0.5) /// - public Vector2 Center { get; set; } = new Vector2(0.5,0.5); + public Vector2 Center { get; set; } = new Vector2(0.5, 0.5); } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs b/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs index 111bb53..7c14dca 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs @@ -4,6 +4,5 @@ public class Text : Mesh { public Text() : base("Text") { - } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs b/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs index ef939be..6dd5477 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs @@ -11,7 +11,6 @@ public sealed class Scene : Object3D { public Scene() : base("Scene") { - } /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs index 7da3edd..bed1594 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs @@ -7,7 +7,6 @@ public sealed class AnimateRotationSettings { public AnimateRotationSettings() { - } /// @@ -18,7 +17,8 @@ public AnimateRotationSettings() /// The angle in degreees to rotate around the Y axis on each animation frame. Default is 0.1. /// The angle in degreees to rotate around the Z axis on each animation frame. Default is 0.1. /// Radius of rotation. Default is 5. - public AnimateRotationSettings(bool animateRotation = false, double thetaX = 0.1, double thetaY = 0.1, double thetaZ = 0.1, double radius = 5) + public AnimateRotationSettings(bool animateRotation = false, double thetaX = 0.1, double thetaY = 0.1, + double thetaZ = 0.1, double radius = 5) { AnimateRotation = animateRotation; ThetaX = thetaX; @@ -36,18 +36,22 @@ public AnimateRotationSettings(bool animateRotation = false, double thetaX = 0. /// The angle in degreees to rotate around the X axis on each animation frame. Default is 0.1. /// public double ThetaX { get; set; } = 0.1; + /// /// The angle in degreees to rotate around the Y axis on each animation frame. Default is 0.1. /// public double ThetaY { get; set; } = 0.1; + /// /// The angle in degreees to rotate around the Z axis on each animation frame. Default is 0.1. /// public double ThetaZ { get; set; } = 0.1; + /// /// Radius of rotation. Default is 5. /// public double Radius { get; set; } = 5; + /// /// Stops animation when user starts using orbit controls. Default is false. /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs index a6776ef..a6a7287 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs @@ -10,18 +10,22 @@ public class ImportSettings /// [JsonConverter(typeof(StringEnumConverter))] //todo: may be use serialization helper public Import3DFormats Format { get; set; } + /// /// URL of the 3D model file. /// public string FileURL { get; set; } = null!; + /// /// URL of the texture file /// public string? TextureURL { get; set; } = null; + /// /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. /// public Guid? Uuid { get; set; } = null; + /// /// Material that will be applied to all loaded meshes. /// Currently works only for STL format. diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs b/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs index f2b3bc5..88bc02a 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs @@ -14,7 +14,7 @@ public class WebGLRendererSettings /// controls the default clear alpha value. When set to true, the value is 0. Otherwise it's 1. Default is false. /// public bool Alpha { get; set; } = false; - + /// /// whether the renderer will assume that colors have premultiplied alpha. Default is true. /// diff --git a/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs b/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs index f5a4250..84f75b4 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs @@ -2,9 +2,11 @@ public class Texture { - public Texture() { } + public Texture() + { + } - protected Texture(string type) + protected Texture(string type) { Type = type; } diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor index 1645c57..ea6b30f 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor +++ b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor @@ -1,4 +1,4 @@ @inject IJSRuntime JSRuntime @implements IDisposable -
+
\ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs index 0ea054e..86f928a 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs @@ -8,9 +8,11 @@ public sealed partial class Viewer : IDisposable private IJSObjectReference bundleModule = null!; private delegate void SelectedObjectStaticEventHandler(Object3DStaticArgs e); + private static event SelectedObjectStaticEventHandler ObjectSelectedStatic = null!; private delegate void LoadedObjectStaticEventHandler(Object3DStaticArgs e); + private static event LoadedObjectStaticEventHandler ObjectLoadedStatic = null!; private event LoadedObjectEventHandler ObjectLoadedPrivate = null!; @@ -82,12 +84,12 @@ protected override async Task OnAfterRenderAsync(bool firstRender) } var json = JsonConvert.SerializeObject(new - { - Scene = Scene, - ViewerSettings = ViewerSettings, - Camera = Camera, - OrbitControls = OrbitControls, - }, + { + Scene = Scene, + ViewerSettings = ViewerSettings, + Camera = Camera, + OrbitControls = OrbitControls, + }, SerializationHelper.GetSerializerSettings()); await bundleModule.InvokeVoidAsync("loadViewer", json); @@ -117,7 +119,6 @@ public async Task SetCameraPositionAsync(Vector3 position, Vector3 lookAt = null } - /// /// Apply updated camera settings to viewer. /// @@ -231,7 +232,8 @@ public async Task Import3DModelAsync(ImportSettings settings) /// URL of the texture file. /// UUID of the object to be loaded. Nullable. If not specified, the new Guid is genrated. /// Guid of the loaded item - public async Task Import3DModelFileAsync(string fileUrl, MeshStandardMaterial? material = null, string? textureUrl = null, Guid? Uuid = null) + public async Task Import3DModelFileAsync(string fileUrl, MeshStandardMaterial? material = null, + string? textureUrl = null, Guid? Uuid = null) { var settings = new ImportSettings() { @@ -375,6 +377,7 @@ private List ParseChildren(JToken? children) group.Children.AddRange(childrenResult); } } + return result; } diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.css b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.css index 99efe1f..d01a8c8 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.css +++ b/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.css @@ -1,5 +1,4 @@ .viewer3dContainer { width: 100%; - height:100%; -} - + height: 100%; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/_Imports.razor b/src/dotnet/Blazor3D/Blazor3D/_Imports.razor index b4df76f..9423b43 100644 --- a/src/dotnet/Blazor3D/Blazor3D/_Imports.razor +++ b/src/dotnet/Blazor3D/Blazor3D/_Imports.razor @@ -1,2 +1,2 @@ @using Microsoft.AspNetCore.Components.Web -@using Microsoft.JSInterop +@using Microsoft.JSInterop \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/App.razor b/src/dotnet/Blazor3D/TestServer/App.razor index 3a6b4bc..2d1a6d3 100644 --- a/src/dotnet/Blazor3D/TestServer/App.razor +++ b/src/dotnet/Blazor3D/TestServer/App.razor @@ -1,28 +1,28 @@  - - - - - - - + + + + + + + - + -
- - An error has occurred. This application may no longer respond until reloaded. - - - An unhandled exception has occurred. See browser dev tools for details. - - Reload - 🗙 -
+
+ + An error has occurred. This application may no longer respond until reloaded. + + + An unhandled exception has occurred. See browser dev tools for details. + + Reload + 🗙 +
- + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml b/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml index b10c7b1..fd959e1 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml +++ b/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml @@ -5,38 +5,38 @@ - - + + Error - - + + -
-
-

Error.

-

An error occurred while processing your request.

+
+
+

Error.

+

An error occurred while processing your request.

- @if (Model.ShowRequestId) - { -

- Request ID: @Model.RequestId -

- } - -

Development Mode

-

- Swapping to the Development environment displays detailed information about the error that occurred. -

+ @if (Model.ShowRequestId) + {

- The Development environment shouldn't be enabled for deployed applications. - It can result in displaying sensitive information from exceptions to end users. - For local debugging, enable the Development environment by setting the ASPNETCORE_ENVIRONMENT environment variable to Development - and restarting the app. + Request ID: @Model.RequestId

-
+ } + +

Development Mode

+

+ Swapping to the Development environment displays detailed information about the error that occurred. +

+

+ The Development environment shouldn't be enabled for deployed applications. + It can result in displaying sensitive information from exceptions to end users. + For local debugging, enable the Development environment by setting the ASPNETCORE_ENVIRONMENT environment variable to Development + and restarting the app. +

+
- + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs b/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs index 74b2e43..6fe72fb 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs +++ b/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs @@ -16,11 +16,11 @@ public class ErrorModel : PageModel public ErrorModel(ILogger logger) { - _logger = logger; - } + _logger = logger; + } public void OnGet() { - RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier; - } + RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier; + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Index.razor b/src/dotnet/Blazor3D/TestServer/Pages/Index.razor index 867bd13..b52c11c 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Index.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Index.razor @@ -3,7 +3,7 @@
- + @**@
@@ -22,16 +22,17 @@ private bool toggler = false; private Viewer View3D1 = null!; private Guid objGuid; + private ViewerSettings settings = new ViewerSettings() + { + ContainerId = "rsid", + CanSelect = true, + CanSelectHelpers = false, + WebGLRendererSettings = new WebGLRendererSettings { - ContainerId = "rsid", - CanSelect = true, - CanSelectHelpers = false, - WebGLRendererSettings = new WebGLRendererSettings - { - Antialias = true - } - }; + Antialias = true + } + }; private Scene scene = new Scene(); //private Camera camera = new PerspectiveCamera @@ -47,19 +48,20 @@ private Guid? selectObjectGuid = null; private Camera camera = new OrthographicCamera() + { + Left = -5, + Right = 5, + Top = 5, + Bottom = -5, + Position = new Vector3(1, 1, 1), + AnimateRotationSettings = new AnimateRotationSettings(true, 0.1, 0, 0.1, radius: 3) { - Left = -5, - Right = 5, - Top = 5, - Bottom = -5, - Position = new Vector3(1, 1, 1), - AnimateRotationSettings = new AnimateRotationSettings(true,0.1, 0, 0.1, radius: 3) - { - StopAnimationOnOrbitControlMove = true - }, + StopAnimationOnOrbitControlMove = true + }, + + //Zoom = 0.5 + }; - //Zoom = 0.5 - }; protected override Task OnInitializedAsync() { AddLights(); @@ -82,16 +84,16 @@ private async Task OnModuleLoaded() { var settings = new ImportSettings + { + Format = Import3DFormats.Stl, + FileURL = "https://threejs.org/examples/models/stl/ascii/slotted_disk.stl", + Material = new MeshStandardMaterial { - Format = Import3DFormats.Stl, - FileURL = "https://threejs.org/examples/models/stl/ascii/slotted_disk.stl", - Material = new MeshStandardMaterial - { - Color = "lightgrey", - Roughness = 0.5f, - Metalness = 0.5f - } - }; + Color = "lightgrey", + Roughness = 0.5f, + Metalness = 0.5f + } + }; loadedObjectGuid = await View3D1.Import3DModelAsync(settings); await View3D1.SetCameraPositionAsync(new Vector3(0, 3, 3), new Vector3(0, 1, 0)); } @@ -100,154 +102,154 @@ { scene.Add(new AmbientLight()); var plight = new PointLight() - { - //Color = "red", - Decay = 2, - Position = new Vector3(1, 5, 0) - }; + { + //Color = "red", + Decay = 2, + Position = new Vector3(1, 5, 0) + }; scene.Add(plight); scene.Add(new PointLightHelper(plight, 0.5)); } + private void FillScene() { //scene.Add(new Mesh()); scene.Add(new Mesh + { + Geometry = new BoxGeometry(width: 2, height: 0.5f), + Position = new Vector3(-1, 1, -1), + Rotation = new Euler { - Geometry = new BoxGeometry(width: 2, height: 0.5f), - Position = new Vector3(-1, 1, -1), - Rotation = new Euler - { - X = Math.PI / 4 - }, - EdgesMaterial = new LineBasicMaterial - { - Color = "black" - } - }); + X = Math.PI / 4 + }, + EdgesMaterial = new LineBasicMaterial + { + Color = "black" + } + }); scene.Add(new Mesh - { - Geometry = new CircleGeometry(radius: 1.5f, segments: 12), - Position = new Vector3(1, 1, -1), - Scale = new Vector3(0.5f, 1f, 1f) - }); + { + Geometry = new CircleGeometry(radius: 1.5f, segments: 12), + Position = new Vector3(1, 1, -1), + Scale = new Vector3(0.5f, 1f, 1f) + }); var capsule = new Mesh + { + Geometry = new CapsuleGeometry(radius: 1, length: 2), + Position = new Vector3(-3, 0, -3), + Material = new MeshStandardMaterial() { - Geometry = new CapsuleGeometry(radius: 1, length: 2), - Position = new Vector3(-3, 0, -3), - Material = new MeshStandardMaterial() - { - Color = "blue" - }, - EdgesMaterial = new LineBasicMaterial - { - Color = "black" - } - }; + Color = "blue" + }, + EdgesMaterial = new LineBasicMaterial + { + Color = "black" + } + }; scene.Add(capsule); scene.Add(new Mesh + { + Geometry = new ConeGeometry(radius: 1.3f, height: 2, radialSegments: 16), + Position = new Vector3(3, 0, -3), + Material = new MeshStandardMaterial() { - Geometry = new ConeGeometry(radius: 1.3f, height: 2, radialSegments: 16), - Position = new Vector3(3, 0, -3), - Material = new MeshStandardMaterial() - { - Color = "green", - FlatShading = true, - Metalness = 0.5f, - Roughness = 0.5f - } - }); + Color = "green", + FlatShading = true, + Metalness = 0.5f, + Roughness = 0.5f + } + }); scene.Add(new Mesh + { + Geometry = new CylinderGeometry(radiusTop: 0.5f, height: 2, radialSegments: 16), + Position = new Vector3(0, 0, -3), + Material = new MeshStandardMaterial() { - Geometry = new CylinderGeometry(radiusTop: 0.5f, height: 2, radialSegments: 16), - Position = new Vector3(0, 0, -3), - Material = new MeshStandardMaterial() - { - Color = "red", - Wireframe = true, - } - }); + Color = "red", + Wireframe = true, + } + }); scene.Add(new Mesh + { + Geometry = new DodecahedronGeometry(radius: 1.5f), + Position = new Vector3(-5, 0, -5), + Material = new MeshStandardMaterial() { - Geometry = new DodecahedronGeometry(radius: 1.5f), - Position = new Vector3(-5, 0, -5), - Material = new MeshStandardMaterial() - { - Color = "darkviolet" - } - }); + Color = "darkviolet" + } + }); scene.Add(new Mesh + { + Geometry = new IcosahedronGeometry(radius: 1.5f), + Position = new Vector3(5, 0, -5), + Material = new MeshStandardMaterial() { - Geometry = new IcosahedronGeometry(radius: 1.5f), - Position = new Vector3(5, 0, -5), - Material = new MeshStandardMaterial() - { - Color = "violet" - } - }); + Color = "violet" + } + }); scene.Add(new Mesh + { + Geometry = new OctahedronGeometry(radius: 1.5f), + Position = new Vector3(0, 0, -5), + Material = new MeshStandardMaterial() { - - Geometry = new OctahedronGeometry(radius: 1.5f), - Position = new Vector3(0, 0, -5), - Material = new MeshStandardMaterial() - { - Color = "pink" - } - }); + Color = "pink" + } + }); scene.Add(new Mesh - { - Geometry = new PlaneGeometry(width: 0.5f, height: 2), - Position = new Vector3(-3, 1, -1), - }); + { + Geometry = new PlaneGeometry(width: 0.5f, height: 2), + Position = new Vector3(-3, 1, -1), + }); scene.Add(new Mesh - { - Geometry = new RingGeometry(innerRadius: 0.6f, outerRadius: 0.7f), - Position = new Vector3(3, 1, -1), - }); + { + Geometry = new RingGeometry(innerRadius: 0.6f, outerRadius: 0.7f), + Position = new Vector3(3, 1, -1), + }); scene.Add(new Mesh + { + Geometry = new SphereGeometry(radius: 1.5f), + Material = new MeshStandardMaterial() { - Geometry = new SphereGeometry(radius: 1.5f), - Material = new MeshStandardMaterial() - { - Color = "darkgreen" - }, - Position = new Vector3(0, 0, -8), - }); + Color = "darkgreen" + }, + Position = new Vector3(0, 0, -8), + }); scene.Add(new Mesh + { + Geometry = new TetrahedronGeometry(radius: 1.5f), + Position = new Vector3(-3, 0, -8), + Material = new MeshStandardMaterial() { - Geometry = new TetrahedronGeometry(radius: 1.5f), - Position = new Vector3(-3, 0, -8), - Material = new MeshStandardMaterial() - { - Color = "lightblue" - } - }); + Color = "lightblue" + } + }); scene.Add(new Mesh + { + Geometry = new TorusGeometry(tube: 0.8f, radialSegments: 12, tubularSegments: 12), + Position = new Vector3(3, 0, -8), + Material = new MeshStandardMaterial() { - Geometry = new TorusGeometry(tube: 0.8f, radialSegments: 12, tubularSegments: 12), - Position = new Vector3(3, 0, -8), - Material = new MeshStandardMaterial() - { - Color = "lightgreen" - } - }); + Color = "lightgreen" + } + }); scene.Add(new Mesh + { + Geometry = new TorusKnotGeometry(tube: 0.1f), + Position = new Vector3(7, 0, -8), + Material = new MeshStandardMaterial() { - Geometry = new TorusKnotGeometry(tube: 0.1f), - Position = new Vector3(7, 0, -8), - Material = new MeshStandardMaterial() - { - Color = "magenta" - } - }); + Color = "magenta" + } + }); scene.Add(new ArrowHelper(new Vector3(1, 1, 1), new Vector3(1, 1, 1), 3, "red", 1, 0.2)); @@ -256,19 +258,17 @@ scene.Add(new BoxHelper(capsule, "black")); scene.Add(new GridHelper(2, 6, "red", "orange") - { - Position = new Vector3(-2, 0, 0) - }); + { + Position = new Vector3(-2, 0, 0) + }); scene.Add(new PolarGridHelper(radius: 2, radials: 8, circles: 6, divisions: 32, "red", "orange") - { - Position = new Vector3(2, 0, 0) - }); + { + Position = new Vector3(2, 0, 0) + }); var plane = new Plane(new Vector3(-1, 1, 1), 1); scene.Add(new PlaneHelper(plane, 1, "green")); - - } private void OnObjectSelected(Object3DArgs e) @@ -295,23 +295,23 @@ private async Task OnLoadObjButtonClick() { - loadedObjectGuid = Guid.NewGuid();// alway do this. + loadedObjectGuid = Guid.NewGuid(); // alway do this. // if you need to control the loaded object uuid, generate it here. loadedObjectGuid = Guid.NewGuid(); var settings = new ImportSettings - { - Format = Import3DFormats.Obj,//choose appropriate format - FileURL = "https://threejs.org/examples/models/obj/male02/male02.obj",// link to your model file - TextureURL = "https://threejs.org/examples/textures/uv_grid_opengl.jpg", // link to the texture or skip this, - Uuid = loadedObjectGuid //// skip this, or set null if you don't care the uuid of loaded mesh or group - }; + { + Format = Import3DFormats.Obj, //choose appropriate format + FileURL = "https://threejs.org/examples/models/obj/male02/male02.obj", // link to your model file + TextureURL = "https://threejs.org/examples/textures/uv_grid_opengl.jpg", // link to the texture or skip this, + Uuid = loadedObjectGuid //// skip this, or set null if you don't care the uuid of loaded mesh or group + }; await View3D1.Import3DModelAsync(settings); // set camera position to view your loaded model await View3D1.SetCameraPositionAsync( - new Vector3(0, 100, 250),// camera position - new Vector3(0, 50, 0));// optional camera target + new Vector3(0, 100, 250), // camera position + new Vector3(0, 50, 0)); // optional camera target } private async Task OnClearAllClick() @@ -320,7 +320,6 @@ } - private async Task OnClearLast() { if (scene.Children.Count > 0) @@ -329,6 +328,7 @@ await View3D1.RemoveByUuidAsync(last.Uuid); } } + public void Dispose() { View3D1.ObjectSelected -= OnObjectSelected; @@ -341,23 +341,24 @@ if (toggler == false) { await View3D1.UpdateCamera(new OrthographicCamera() - { - Left = -5, - Right = 5, - Top = 5, - Bottom = -5, - Position = new Vector3(1, 1, 1), - AnimateRotationSettings = new AnimateRotationSettings(true, 0.1, 0, 0.1, radius: 3), - }); + { + Left = -5, + Right = 5, + Top = 5, + Bottom = -5, + Position = new Vector3(1, 1, 1), + AnimateRotationSettings = new AnimateRotationSettings(true, 0.1, 0, 0.1, radius: 3), + }); } else { await View3D1.UpdateCamera(new PerspectiveCamera - { - Position = new Vector3(3, 3, 3), - LookAt = new Vector3(0, 0.5f, 0) - }); + { + Position = new Vector3(3, 3, 3), + LookAt = new Vector3(0, 0.5f, 0) + }); } + toggler = !toggler; } @@ -367,7 +368,6 @@ { await View3D1.SelectByUuidAsync(selectObjectGuid.Value); } - } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page2.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page2.razor index a21ead2..ce8e5e6 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page2.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page2.razor @@ -3,7 +3,7 @@
- + @**@
@@ -18,19 +18,21 @@ @code { private Viewer View3D1 = null!; private Guid objGuid; + private ViewerSettings settings = new ViewerSettings() - { - ContainerId = "rsid", - CanSelect = true, - CanSelectHelpers = false - }; + { + ContainerId = "rsid", + CanSelect = true, + CanSelectHelpers = false + }; private Scene scene = new Scene(); + private Camera camera = new PerspectiveCamera - { - Position = new Vector3(3, 3, 3), - LookAt = new Vector3(0, 0.5f, 0) - }; + { + Position = new Vector3(3, 3, 3), + LookAt = new Vector3(0, 0.5f, 0) + }; private string selectionMsg = string.Empty; @@ -68,7 +70,7 @@ private async Task OnModuleLoaded() { await View3D1.Import3DModelFileAsync("https://threejs.org/examples/models/fbx/Samba%20Dancing.fbx", Uuid: loadedObjectGuid); - + await View3D1.SetCameraPositionAsync(new Vector3(0, 100, 250), new Vector3(0, 50, 0)); } @@ -76,146 +78,146 @@ { scene.Add(new AmbientLight()); var plight = new PointLight() - { - //Color = "red", - Decay = 2, - Position = new Vector3(1, 5, 0) - }; + { + //Color = "red", + Decay = 2, + Position = new Vector3(1, 5, 0) + }; scene.Add(plight); scene.Add(new PointLightHelper(plight, 0.5)); } + private void FillScene() { //scene.Add(new Mesh()); scene.Add(new Mesh + { + Geometry = new BoxGeometry(width: 2, height: 0.5f), + Position = new Vector3(-1, 1, -1), + Rotation = new Euler { - Geometry = new BoxGeometry(width: 2, height: 0.5f), - Position = new Vector3(-1, 1, -1), - Rotation = new Euler - { - X = Math.PI / 4 - } - }); + X = Math.PI / 4 + } + }); scene.Add(new Mesh - { - Geometry = new CircleGeometry(radius: 1.5f, segments: 12), - Position = new Vector3(1, 1, -1), - Scale = new Vector3(0.5f, 1f, 1f) - }); + { + Geometry = new CircleGeometry(radius: 1.5f, segments: 12), + Position = new Vector3(1, 1, -1), + Scale = new Vector3(0.5f, 1f, 1f) + }); var capsule = new Mesh + { + Geometry = new CapsuleGeometry(radius: 1, length: 2), + Position = new Vector3(-3, 0, -3), + Material = new MeshStandardMaterial() { - Geometry = new CapsuleGeometry(radius: 1, length: 2), - Position = new Vector3(-3, 0, -3), - Material = new MeshStandardMaterial() - { - Color = "blue" - } - }; + Color = "blue" + } + }; scene.Add(capsule); scene.Add(new Mesh + { + Geometry = new ConeGeometry(radius: 1.3f, height: 2, radialSegments: 16), + Position = new Vector3(3, 0, -3), + Material = new MeshStandardMaterial() { - Geometry = new ConeGeometry(radius: 1.3f, height: 2, radialSegments: 16), - Position = new Vector3(3, 0, -3), - Material = new MeshStandardMaterial() - { - Color = "green", - FlatShading = true, - Metalness = 0.5f, - Roughness = 0.5f - } - }); + Color = "green", + FlatShading = true, + Metalness = 0.5f, + Roughness = 0.5f + } + }); scene.Add(new Mesh + { + Geometry = new CylinderGeometry(radiusTop: 0.5f, height: 2, radialSegments: 16), + Position = new Vector3(0, 0, -3), + Material = new MeshStandardMaterial() { - Geometry = new CylinderGeometry(radiusTop: 0.5f, height: 2, radialSegments: 16), - Position = new Vector3(0, 0, -3), - Material = new MeshStandardMaterial() - { - Color = "red", - Wireframe = true, - } - }); + Color = "red", + Wireframe = true, + } + }); scene.Add(new Mesh + { + Geometry = new DodecahedronGeometry(radius: 1.5f), + Position = new Vector3(-5, 0, -5), + Material = new MeshStandardMaterial() { - Geometry = new DodecahedronGeometry(radius: 1.5f), - Position = new Vector3(-5, 0, -5), - Material = new MeshStandardMaterial() - { - Color = "darkviolet" - } - }); + Color = "darkviolet" + } + }); scene.Add(new Mesh + { + Geometry = new IcosahedronGeometry(radius: 1.5f), + Position = new Vector3(5, 0, -5), + Material = new MeshStandardMaterial() { - Geometry = new IcosahedronGeometry(radius: 1.5f), - Position = new Vector3(5, 0, -5), - Material = new MeshStandardMaterial() - { - Color = "violet" - } - }); + Color = "violet" + } + }); scene.Add(new Mesh + { + Geometry = new OctahedronGeometry(radius: 1.5f), + Position = new Vector3(0, 0, -5), + Material = new MeshStandardMaterial() { - - Geometry = new OctahedronGeometry(radius: 1.5f), - Position = new Vector3(0, 0, -5), - Material = new MeshStandardMaterial() - { - Color = "pink" - } - }); + Color = "pink" + } + }); scene.Add(new Mesh - { - Geometry = new PlaneGeometry(width: 0.5f, height: 2), - Position = new Vector3(-3, 1, -1), - }); + { + Geometry = new PlaneGeometry(width: 0.5f, height: 2), + Position = new Vector3(-3, 1, -1), + }); scene.Add(new Mesh - { - Geometry = new RingGeometry(innerRadius: 0.6f, outerRadius: 0.7f), - Position = new Vector3(3, 1, -1), - }); + { + Geometry = new RingGeometry(innerRadius: 0.6f, outerRadius: 0.7f), + Position = new Vector3(3, 1, -1), + }); scene.Add(new Mesh + { + Geometry = new SphereGeometry(radius: 1.5f), + Material = new MeshStandardMaterial() { - Geometry = new SphereGeometry(radius: 1.5f), - Material = new MeshStandardMaterial() - { - Color = "darkgreen" - }, - Position = new Vector3(0, 0, -8), - }); + Color = "darkgreen" + }, + Position = new Vector3(0, 0, -8), + }); scene.Add(new Mesh + { + Geometry = new TetrahedronGeometry(radius: 1.5f), + Position = new Vector3(-3, 0, -8), + Material = new MeshStandardMaterial() { - Geometry = new TetrahedronGeometry(radius: 1.5f), - Position = new Vector3(-3, 0, -8), - Material = new MeshStandardMaterial() - { - Color = "lightblue" - } - }); + Color = "lightblue" + } + }); scene.Add(new Mesh + { + Geometry = new TorusGeometry(tube: 0.8f, radialSegments: 12, tubularSegments: 12), + Position = new Vector3(3, 0, -8), + Material = new MeshStandardMaterial() { - Geometry = new TorusGeometry(tube: 0.8f, radialSegments: 12, tubularSegments: 12), - Position = new Vector3(3, 0, -8), - Material = new MeshStandardMaterial() - { - Color = "lightgreen" - } - }); + Color = "lightgreen" + } + }); scene.Add(new Mesh + { + Geometry = new TorusKnotGeometry(tube: 0.1f), + Position = new Vector3(7, 0, -8), + Material = new MeshStandardMaterial() { - Geometry = new TorusKnotGeometry(tube: 0.1f), - Position = new Vector3(7, 0, -8), - Material = new MeshStandardMaterial() - { - Color = "magenta" - } - }); + Color = "magenta" + } + }); scene.Add(new ArrowHelper(new Vector3(1, 1, 1), new Vector3(1, 1, 1), 3, "red", 1, 0.2)); @@ -224,19 +226,17 @@ scene.Add(new BoxHelper(capsule, "black")); scene.Add(new GridHelper(2, 6, "red", "orange") - { - Position = new Vector3(-2, 0, 0) - }); + { + Position = new Vector3(-2, 0, 0) + }); scene.Add(new PolarGridHelper(radius: 2, radials: 8, circles: 6, divisions: 32, "red", "orange") - { - Position = new Vector3(2, 0, 0) - }); + { + Position = new Vector3(2, 0, 0) + }); var plane = new Plane(new Vector3(-1, 1, 1), 1); scene.Add(new PlaneHelper(plane, 1, "green")); - - } private void OnObjectSelected(Object3DArgs e) @@ -263,7 +263,7 @@ private async Task OnLoadObjButtonClick() { - loadedObjectGuid = Guid.NewGuid();// alway do this. + loadedObjectGuid = Guid.NewGuid(); // alway do this. //await View3D1.Import3DModelAsync( // Import3DFormats.Obj,//choose appropriate format @@ -335,11 +335,12 @@ { await View3D1.ShowCurrentCameraInfo(); } + public void Dispose() { View3D1.ObjectSelected -= OnObjectSelected; View3D1.ObjectLoaded -= OnObjectLoaded; View3D1.JsModuleLoaded -= OnModuleLoaded; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page3.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page3.razor index 80dcb39..7d11c59 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page3.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page3.razor @@ -3,7 +3,7 @@
- +
@@ -12,11 +12,11 @@
- + - + - + @@ -28,19 +28,21 @@ private Viewer View3D1 = null!; private Guid objGuid; private Guid lastSelectedGuid; + private ViewerSettings settings = new ViewerSettings() - { - ContainerId = "rsid", - CanSelect = true, - CanSelectHelpers = false - }; + { + ContainerId = "rsid", + CanSelect = true, + CanSelectHelpers = false + }; private Scene scene = new Scene(); + private Camera camera = new PerspectiveCamera - { - Position = new Vector3(3, 3, 3), - LookAt = new Vector3(0, 0.5f, 0) - }; + { + Position = new Vector3(3, 3, 3), + LookAt = new Vector3(0, 0.5f, 0) + }; private double xCoord { get; set; } private double yCoord { get; set; } @@ -70,11 +72,11 @@ { scene.Add(new AmbientLight()); var plight = new PointLight() - { - //Color = "red", - Decay = 2, - Position = new Vector3(1, 5, 0) - }; + { + //Color = "red", + Decay = 2, + Position = new Vector3(1, 5, 0) + }; scene.Add(plight); scene.Add(new PointLightHelper(plight, 0.5)); } @@ -87,25 +89,24 @@ private async Task OnCreateCubeButtonClick() { var texture = new Texture() - { - TextureUrl = "uv_grid_opengl.jpg", - WrapS = WrappingType.MirroredRepeatWrapping, - WrapT = WrappingType.MirroredRepeatWrapping, - Repeat = new Vector2(3, 3), - Offset = new Vector2(0.2f, 0.2f), - Rotation = Math.PI / 4 - + { + TextureUrl = "uv_grid_opengl.jpg", + WrapS = WrappingType.MirroredRepeatWrapping, + WrapT = WrappingType.MirroredRepeatWrapping, + Repeat = new Vector2(3, 3), + Offset = new Vector2(0.2f, 0.2f), + Rotation = Math.PI / 4 }; var mesh = new Mesh + { + Geometry = new BoxGeometry(), + Position = new Vector3(xCoord, yCoord, zCoord), + Material = new MeshStandardMaterial() { - Geometry = new BoxGeometry(), - Position = new Vector3(xCoord, yCoord, zCoord), - Material = new MeshStandardMaterial() - { - Color = "white", - Map = texture - } - }; + Color = "white", + Map = texture + } + }; scene.Add(mesh); await View3D1.UpdateScene(); @@ -146,6 +147,7 @@ { return; } + var last = scene.Children.Last(); await View3D1.RemoveByUuidAsync(last.Uuid); } @@ -165,5 +167,5 @@ { View3D1.ObjectSelected -= OnObjectSelected; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page4.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page4.razor index 693d7ba..41646f1 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page4.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page4.razor @@ -3,7 +3,7 @@
- +
@selectionMsg
@@ -11,19 +11,21 @@ @code { private Viewer View3D1 = null!; private Guid objGuid; + private ViewerSettings settings = new ViewerSettings() - { - ContainerId = "rsid", - CanSelect = true, - CanSelectHelpers = false, - }; + { + ContainerId = "rsid", + CanSelect = true, + CanSelectHelpers = false, + }; private Scene scene = new Scene(); + private Camera camera = new PerspectiveCamera - { - Position = new Vector3(3, 3, 3), - LookAt = new Vector3(0, 0.5f, 0) - }; + { + Position = new Vector3(3, 3, 3), + LookAt = new Vector3(0, 0.5f, 0) + }; private string selectionMsg = string.Empty; @@ -59,14 +61,15 @@ { scene.Add(new AmbientLight()); var plight = new PointLight() - { - //Color = "red", - Decay = 2, - Position = new Vector3(1, 5, 0) - }; + { + //Color = "red", + Decay = 2, + Position = new Vector3(1, 5, 0) + }; scene.Add(plight); scene.Add(new PointLightHelper(plight, 0.5)); } + private void FillScene() { //scene.Add(new Mesh()); @@ -81,34 +84,33 @@ var group = new Group(); group.Add(new Mesh - { - Geometry = new ShapeGeometry(shape), - }); + { + Geometry = new ShapeGeometry(shape), + }); var options = new ExtrudeGeometryOptions - { - Depth = 0.5, - BevelEnabled = false - }; + { + Depth = 0.5, + BevelEnabled = false + }; group.Add(new Mesh - { - Geometry = new ExtrudeGeometry(shape, options), - Position = new Vector3() { X = 3 }, - Material = new MeshStandardMaterial { Color = "green", Transparent = true, Opacity = 0.7 } - }); + { + Geometry = new ExtrudeGeometry(shape, options), + Position = new Vector3() { X = 3 }, + Material = new MeshStandardMaterial { Color = "green", Transparent = true, Opacity = 0.7 } + }); scene.Add(group); group = new Group(); group.Add(new Mesh - { - Geometry = new ShapeGeometry(shape), - Material = new MeshStandardMaterial { Color = "blue", Transparent = true, Opacity = 0.7 } - }); + { + Geometry = new ShapeGeometry(shape), + Material = new MeshStandardMaterial { Color = "blue", Transparent = true, Opacity = 0.7 } + }); group.Position.Z = -5; scene.Add(group); - } private void OnObjectSelected(Object3DArgs e) @@ -126,5 +128,5 @@ View3D1.ObjectSelected -= OnObjectSelected; View3D1.JsModuleLoaded -= OnModuleLoaded; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page5.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page5.razor index ae4803e..314e81c 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page5.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page5.razor @@ -3,7 +3,7 @@
- +
@selectionMsg
@@ -11,19 +11,21 @@ @code { private Viewer View3D1 = null!; private Guid objGuid; + private ViewerSettings settings = new ViewerSettings() - { - ContainerId = "rsid", - CanSelect = true, - CanSelectHelpers = false, - }; + { + ContainerId = "rsid", + CanSelect = true, + CanSelectHelpers = false, + }; private Scene scene = new Scene(); + private Camera camera = new PerspectiveCamera - { - Position = new Vector3(3, 3, 3), - LookAt = new Vector3(0, 0.5f, 0) - }; + { + Position = new Vector3(3, 3, 3), + LookAt = new Vector3(0, 0.5f, 0) + }; private string selectionMsg = string.Empty; @@ -59,83 +61,83 @@ { scene.Add(new AmbientLight()); var plight = new PointLight() - { - //Color = "red", - Decay = 2, - Position = new Vector3(1, 5, 0) - }; + { + //Color = "red", + Decay = 2, + Position = new Vector3(1, 5, 0) + }; scene.Add(plight); scene.Add(new PointLightHelper(plight, 0.5)); } + private void FillScene() { var text = new Text + { + Material = new MeshStandardMaterial { - Material = new MeshStandardMaterial - { - Color = "red", - }, - Geometry = new TextExtrudeGeometry - { - FontURL = "fonts/helvetiker_regular.typeface.json", - Size = 1, - Height = 0.1, - } - }; + Color = "red", + }, + Geometry = new TextExtrudeGeometry + { + FontURL = "fonts/helvetiker_regular.typeface.json", + Size = 1, + Height = 0.1, + } + }; scene.Add(text); text = new Text + { + Material = new MeshStandardMaterial + { + Color = "blue", + }, + Geometry = new TextExtrudeGeometry { - Material = new MeshStandardMaterial - { - Color = "blue", - }, - Geometry = new TextExtrudeGeometry - { - FontURL = "fonts/helvetiker_regular.typeface.json", - Size = 1, - Height = 0.5, - BevelEnabled = true, - BevelSegments = 2, - BevelSize = 0.05, - BevelThickness = 0.1 - }, - Position = new Vector3(0, 0, -1) - }; + FontURL = "fonts/helvetiker_regular.typeface.json", + Size = 1, + Height = 0.5, + BevelEnabled = true, + BevelSegments = 2, + BevelSize = 0.05, + BevelThickness = 0.1 + }, + Position = new Vector3(0, 0, -1) + }; scene.Add(text); text = new Text + { + Material = new MeshStandardMaterial + { + Color = "violet", + }, + Geometry = new TextShapeGeometry { - Material = new MeshStandardMaterial - { - Color = "violet", - }, - Geometry = new TextShapeGeometry - { - FontURL = "fonts/helvetiker_regular.typeface.json", - Size = 1, - }, - Position = new Vector3(0, 0, 1) - }; + FontURL = "fonts/helvetiker_regular.typeface.json", + Size = 1, + }, + Position = new Vector3(0, 0, 1) + }; scene.Add(text); text = new Text + { + Material = new MeshStandardMaterial + { + Color = "violet", + }, + Geometry = new TextStrokeGeometry { - Material = new MeshStandardMaterial - { - Color = "violet", - }, - Geometry = new TextStrokeGeometry - { - FontURL = "fonts/helvetiker_regular.typeface.json", - Size = 1, - StrokeWidth = 0.05 - }, - Position = new Vector3(0, 0, 2) - }; + FontURL = "fonts/helvetiker_regular.typeface.json", + Size = 1, + StrokeWidth = 0.05 + }, + Position = new Vector3(0, 0, 2) + }; scene.Add(text); - } private void OnObjectSelected(Object3DArgs e) @@ -153,4 +155,5 @@ View3D1.ObjectSelected -= OnObjectSelected; View3D1.JsModuleLoaded -= OnModuleLoaded; } + } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page6.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page6.razor index 25df4ea..9002970 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page6.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page6.razor @@ -3,7 +3,7 @@
- +
@selectionMsg
@@ -11,28 +11,29 @@ @code { private Viewer View3D1 = null!; private Guid objGuid; + private ViewerSettings settings = new ViewerSettings() + { + ContainerId = "rsid", + CanSelect = true, + CanSelectHelpers = false, + WebGLRendererSettings = new WebGLRendererSettings() { - ContainerId = "rsid", - CanSelect = true, - CanSelectHelpers = false, - WebGLRendererSettings = new WebGLRendererSettings() - { - PremultipliedAlpha = false, - Alpha = true, - Antialias = true, - } - }; + PremultipliedAlpha = false, + Alpha = true, + Antialias = true, + } + }; private Scene scene = new Scene() { BackGroundColor = string.Empty, }; - + private Camera camera = new PerspectiveCamera - { - Position = new Vector3(0, 0, 10), - }; + { + Position = new Vector3(0, 0, 10), + }; private string selectionMsg = string.Empty; @@ -57,7 +58,7 @@ private async Task OnModuleLoaded() { } - + private void AddLights() { scene.Add(new AmbientLight()); @@ -85,15 +86,15 @@ new(10, 0), } }, - Material = new LineBasicMaterial {Color = "red"}, + Material = new LineBasicMaterial { Color = "red" }, }; - + var mesh = new Mesh { Geometry = new CircleGeometry(radius: 1f, segments: 12), - Position = new Vector3(-5,5, 0), - Scale = new Vector3(0.3f,0.3f, 0.3f), - Material = new MeshStandardMaterial(){Color = "green"}, + Position = new Vector3(-5, 5, 0), + Scale = new Vector3(0.3f, 0.3f, 0.3f), + Material = new MeshStandardMaterial() { Color = "green" }, AnimateObject3DSettings = new AnimateObject3DSettings() { Speed = 3, @@ -155,7 +156,7 @@ LoopAnimation = true, }, }; - + scene.Add(splineMesh); scene.Add(mesh); } @@ -175,4 +176,5 @@ View3D1.ObjectSelected -= OnObjectSelected; View3D1.JsModuleLoaded -= OnModuleLoaded; } + } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Page7.razor b/src/dotnet/Blazor3D/TestServer/Pages/Page7.razor index a538732..082b924 100644 --- a/src/dotnet/Blazor3D/TestServer/Pages/Page7.razor +++ b/src/dotnet/Blazor3D/TestServer/Pages/Page7.razor @@ -3,7 +3,7 @@
- +
@selectionMsg
@@ -11,17 +11,18 @@ @code { private Viewer View3D1 = null!; private Guid objGuid; + private ViewerSettings settings = new ViewerSettings() + { + ContainerId = "rsid", + CanSelect = true, + CanSelectHelpers = false, + WebGLRendererSettings = new WebGLRendererSettings() { - ContainerId = "rsid", - CanSelect = true, - CanSelectHelpers = false, - WebGLRendererSettings = new WebGLRendererSettings() - { - PremultipliedAlpha = false, - Alpha = true, - } - }; + PremultipliedAlpha = false, + Alpha = true, + } + }; private Scene scene = new Scene() { @@ -29,10 +30,10 @@ }; private Camera camera = new PerspectiveCamera - { - Position = new Vector3(3, 3, 3), - LookAt = new Vector3(0, 0.5f, 0) - }; + { + Position = new Vector3(3, 3, 3), + LookAt = new Vector3(0, 0.5f, 0) + }; private string selectionMsg = string.Empty; @@ -56,23 +57,21 @@ private async Task OnModuleLoaded() { - var spriteMaterial = new SpriteMaterial - { - Transparent = true, - Name = "BlazorLogo", - Color = "white", - DepthTest = false, - DepthWrite = false, - }; + { + Transparent = true, + Name = "BlazorLogo", + Color = "white", + DepthTest = false, + DepthWrite = false, + }; var settings = new SpriteImportSettings - { - FileURL = "images/Blazor.png", - Material = spriteMaterial, - Position = new Vector3(3, 0, 0) - - }; + { + FileURL = "images/Blazor.png", + Material = spriteMaterial, + Position = new Vector3(3, 0, 0) + }; await View3D1.ImportSpriteAsync(settings); //await View3D1.Import3DModelAsync( @@ -87,42 +86,42 @@ { scene.Add(new AmbientLight()); var plight = new PointLight() - { - //Color = "red", - Decay = 2, - Position = new Vector3(1, 5, 0) - }; + { + //Color = "red", + Decay = 2, + Position = new Vector3(1, 5, 0) + }; scene.Add(plight); scene.Add(new PointLightHelper(plight, 0.5)); } + private void FillScene() { scene.Add(new Mesh + { + Geometry = new BoxGeometry(width: 2, height: 0.5f), + Position = new Vector3(-1, 1, -1), + Rotation = new Euler { - Geometry = new BoxGeometry(width: 2, height: 0.5f), - Position = new Vector3(-1, 1, -1), - Rotation = new Euler - { - X = Math.PI / 4 - } - }); + X = Math.PI / 4 + } + }); var rotation = new Euler(); //rotation.Y = 0.78; rotation.X = 0.78; rotation.Z = 0.78; var sprite = new Sprite() + { + Position = new Vector3(0, -2, 0), + Material = new SpriteMaterial() { - Position = new Vector3(0, -2, 0), - Material = new SpriteMaterial() - { - Color = "magenta", - Rotation = Math.PI / 4.0, - }, - Name = "Magenta Sprite", - }; + Color = "magenta", + Rotation = Math.PI / 4.0, + }, + Name = "Magenta Sprite", + }; scene.Add(sprite); - } private void OnObjectSelected(Object3DArgs e) @@ -140,4 +139,5 @@ View3D1.ObjectSelected -= OnObjectSelected; View3D1.JsModuleLoaded -= OnModuleLoaded; } + } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Properties/launchSettings.json b/src/dotnet/Blazor3D/TestServer/Properties/launchSettings.json index 56988ad..fb30b51 100644 --- a/src/dotnet/Blazor3D/TestServer/Properties/launchSettings.json +++ b/src/dotnet/Blazor3D/TestServer/Properties/launchSettings.json @@ -25,4 +25,4 @@ } } } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Routes.razor b/src/dotnet/Blazor3D/TestServer/Routes.razor index 5212a2b..c7730d1 100644 --- a/src/dotnet/Blazor3D/TestServer/Routes.razor +++ b/src/dotnet/Blazor3D/TestServer/Routes.razor @@ -1,7 +1,7 @@  - - + + Not found diff --git a/src/dotnet/Blazor3D/TestServer/Shared/MainLayout.razor b/src/dotnet/Blazor3D/TestServer/Shared/MainLayout.razor index 15018cd..9972c59 100644 --- a/src/dotnet/Blazor3D/TestServer/Shared/MainLayout.razor +++ b/src/dotnet/Blazor3D/TestServer/Shared/MainLayout.razor @@ -4,7 +4,7 @@
- +
@@ -16,4 +16,4 @@ @Body
-
+
\ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Shared/MainLayout.razor.css b/src/dotnet/Blazor3D/TestServer/Shared/MainLayout.razor.css index 551e4b2..bd9ed56 100644 --- a/src/dotnet/Blazor3D/TestServer/Shared/MainLayout.razor.css +++ b/src/dotnet/Blazor3D/TestServer/Shared/MainLayout.razor.css @@ -4,13 +4,9 @@ flex-direction: column; } -main { - flex: 1; -} +main { flex: 1; } -.sidebar { - background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%); -} +.sidebar { background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%); } .top-row { background-color: #f7f7f7; @@ -21,34 +17,26 @@ main { align-items: center; } - .top-row ::deep a, .top-row .btn-link { - white-space: nowrap; - margin-left: 1.5rem; - } +.top-row ::deep a, .top-row .btn-link { + white-space: nowrap; + margin-left: 1.5rem; +} - .top-row a:first-child { - overflow: hidden; - text-overflow: ellipsis; - } +.top-row a:first-child { + overflow: hidden; + text-overflow: ellipsis; +} @media (max-width: 640.98px) { - .top-row:not(.auth) { - display: none; - } + .top-row:not(.auth) { display: none; } - .top-row.auth { - justify-content: space-between; - } + .top-row.auth { justify-content: space-between; } - .top-row a, .top-row .btn-link { - margin-left: 0; - } + .top-row a, .top-row .btn-link { margin-left: 0; } } @media (min-width: 641px) { - .page { - flex-direction: row; - } + .page { flex-direction: row; } .sidebar { width: 250px; @@ -67,4 +55,4 @@ main { padding-left: 2rem !important; padding-right: 1.5rem !important; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Shared/NavMenu.razor b/src/dotnet/Blazor3D/TestServer/Shared/NavMenu.razor index cebcfb0..5fca2e0 100644 --- a/src/dotnet/Blazor3D/TestServer/Shared/NavMenu.razor +++ b/src/dotnet/Blazor3D/TestServer/Shared/NavMenu.razor @@ -56,4 +56,5 @@ { collapseNavMenu = !collapseNavMenu; } -} + +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/Shared/NavMenu.razor.css b/src/dotnet/Blazor3D/TestServer/Shared/NavMenu.razor.css index acc5f9f..cac8867 100644 --- a/src/dotnet/Blazor3D/TestServer/Shared/NavMenu.razor.css +++ b/src/dotnet/Blazor3D/TestServer/Shared/NavMenu.razor.css @@ -1,15 +1,11 @@ -.navbar-toggler { - background-color: rgba(255, 255, 255, 0.1); -} +.navbar-toggler { background-color: rgba(255, 255, 255, 0.1); } .top-row { height: 3.5rem; - background-color: rgba(0,0,0,0.4); + background-color: rgba(0, 0, 0, 0.4); } -.navbar-brand { - font-size: 1.1rem; -} +.navbar-brand { font-size: 1.1rem; } .oi { width: 2rem; @@ -23,40 +19,34 @@ padding-bottom: 0.5rem; } - .nav-item:first-of-type { - padding-top: 1rem; - } +.nav-item:first-of-type { padding-top: 1rem; } - .nav-item:last-of-type { - padding-bottom: 1rem; - } +.nav-item:last-of-type { padding-bottom: 1rem; } - .nav-item ::deep a { - color: #d7d7d7; - border-radius: 4px; - height: 3rem; - display: flex; - align-items: center; - line-height: 3rem; - } +.nav-item ::deep a { + color: #d7d7d7; + border-radius: 4px; + height: 3rem; + display: flex; + align-items: center; + line-height: 3rem; +} .nav-item ::deep a.active { - background-color: rgba(255,255,255,0.25); + background-color: rgba(255, 255, 255, 0.25); color: white; } .nav-item ::deep a:hover { - background-color: rgba(255,255,255,0.1); + background-color: rgba(255, 255, 255, 0.1); color: white; } @media (min-width: 641px) { - .navbar-toggler { - display: none; - } + .navbar-toggler { display: none; } .collapse { /* Never collapse the sidebar for wide screens */ display: block; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/appsettings.Development.json b/src/dotnet/Blazor3D/TestServer/appsettings.Development.json index 770d3e9..b6f634e 100644 --- a/src/dotnet/Blazor3D/TestServer/appsettings.Development.json +++ b/src/dotnet/Blazor3D/TestServer/appsettings.Development.json @@ -6,4 +6,4 @@ "Microsoft.AspNetCore": "Warning" } } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/appsettings.json b/src/dotnet/Blazor3D/TestServer/appsettings.json index 10f68b8..ec04bc1 100644 --- a/src/dotnet/Blazor3D/TestServer/appsettings.json +++ b/src/dotnet/Blazor3D/TestServer/appsettings.json @@ -6,4 +6,4 @@ } }, "AllowedHosts": "*" -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/wwwroot/css/site.css b/src/dotnet/Blazor3D/TestServer/wwwroot/css/site.css index cca4ca2..f8a5e86 100644 --- a/src/dotnet/Blazor3D/TestServer/wwwroot/css/site.css +++ b/src/dotnet/Blazor3D/TestServer/wwwroot/css/site.css @@ -1,16 +1,10 @@ @import url('open-iconic/font/css/open-iconic-bootstrap.min.css'); -html, body { - font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; -} +html, body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; } -h1:focus { - outline: none; -} +h1:focus { outline: none; } -a, .btn-link { - color: #0071c1; -} +a, .btn-link { color: #0071c1; } .btn-primary { color: #fff; @@ -18,21 +12,13 @@ a, .btn-link { border-color: #1861ac; } -.content { - padding-top: 1.1rem; -} +.content { padding-top: 1.1rem; } -.valid.modified:not([type=checkbox]) { - outline: 1px solid #26b050; -} +.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; } -.invalid { - outline: 1px solid red; -} +.invalid { outline: 1px solid red; } -.validation-message { - color: red; -} +.validation-message { color: red; } #blazor-error-ui { background: lightyellow; @@ -46,12 +32,12 @@ a, .btn-link { z-index: 1000; } - #blazor-error-ui .dismiss { - cursor: pointer; - position: absolute; - right: 0.75rem; - top: 0.5rem; - } +#blazor-error-ui .dismiss { + cursor: pointer; + position: absolute; + right: 0.75rem; + top: 0.5rem; +} .blazor-error-boundary { background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121; @@ -59,11 +45,9 @@ a, .btn-link { color: white; } - .blazor-error-boundary::after { - content: "An error has occurred." - } +.blazor-error-boundary::after { content: "An error has occurred." } -.v3d{ - display:flex; +.v3d { + display: flex; height: 600px; -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestServer/wwwroot/fonts/helvetiker_regular.typeface.json b/src/dotnet/Blazor3D/TestServer/wwwroot/fonts/helvetiker_regular.typeface.json index d19293b..a926268 100644 --- a/src/dotnet/Blazor3D/TestServer/wwwroot/fonts/helvetiker_regular.typeface.json +++ b/src/dotnet/Blazor3D/TestServer/wwwroot/fonts/helvetiker_regular.typeface.json @@ -1 +1,1544 @@ -{"glyphs":{"ο":{"x_min":0,"x_max":712,"ha":815,"o":"m 356 -25 q 96 88 192 -25 q 0 368 0 201 q 92 642 0 533 q 356 761 192 761 q 617 644 517 761 q 712 368 712 533 q 619 91 712 201 q 356 -25 520 -25 m 356 85 q 527 175 465 85 q 583 369 583 255 q 528 562 583 484 q 356 651 466 651 q 189 560 250 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481 q 330 651 437 651 q 162 559 223 651 q 108 366 108 479 q 162 177 108 254 q 333 87 224 87 q 502 178 441 87 q 557 371 557 258 " + }, + "‡": + { + "x_min": 0, + "x_max": 777, + "ha": 835, + "o": + "m 458 238 l 458 0 l 319 0 l 319 238 l 0 238 l 0 360 l 319 360 l 319 681 l 0 683 l 0 804 l 319 804 l 319 1015 l 458 1013 l 458 804 l 777 804 l 777 683 l 458 683 l 458 360 l 777 360 l 777 238 l 458 238 " + }, + "ψ": + { + "x_min": 0, + "x_max": 808, + "ha": 907, + "o": + "m 465 -278 l 341 -278 l 341 -15 q 87 102 180 -15 q 0 378 0 210 l 0 739 l 133 739 l 133 379 q 182 195 133 275 q 341 98 242 98 l 341 922 l 465 922 l 465 98 q 623 195 563 98 q 675 382 675 278 l 675 742 l 808 742 l 808 381 q 720 104 808 213 q 466 -13 627 -13 l 465 -278 " + }, + "η": + { + "x_min": 0.78125, + "x_max": 697, + "ha": 810, + "o": + "m 697 -278 l 572 -278 l 572 454 q 540 587 572 536 q 425 650 501 650 q 271 579 337 650 q 206 420 206 509 l 206 0 l 81 0 l 81 489 q 73 588 81 562 q 0 644 56 644 l 0 741 q 68 755 38 755 q 158 720 124 755 q 200 630 193 686 q 297 726 234 692 q 434 761 359 761 q 620 692 544 761 q 697 516 697 624 l 697 -278 " + } + }, + "cssFontWeight": "normal", + "ascender": 1189, + "underlinePosition": -100, + "cssFontStyle": "normal", + "boundingBox": { "yMin": -334, "xMin": -111, "yMax": 1189, "xMax": 1672 }, + "resolution": 1000, + "original_font_information": { + "postscript_name": "Helvetiker-Regular", + "version_string": "Version 1.00 2004 initial release", + "vendor_url": "http://www.magenta.gr/", + "full_font_name": "Helvetiker", + "font_family_name": "Helvetiker", + "copyright": "Copyright (c) Μagenta ltd, 2004", + "description": "", + "trademark": "", + "designer": "", + "designer_url": "", + "unique_font_identifier": "Μagenta ltd:Helvetiker:22-10-104", + "license_url": "http://www.ellak.gr/fonts/MgOpen/license.html", + "license_description": + "Copyright (c) 2004 by MAGENTA Ltd. All Rights Reserved.\r\n\r\nPermission is hereby granted, free of charge, to any person obtaining a copy of the fonts accompanying this license (\"Fonts\") and associated documentation files (the \"Font Software\"), to reproduce and distribute the Font Software, including without limitation the rights to use, copy, merge, publish, distribute, and/or sell copies of the Font Software, and to permit persons to whom the Font Software is furnished to do so, subject to the following conditions: \r\n\r\nThe above copyright and this permission notice shall be included in all copies of one or more of the Font Software typefaces.\r\n\r\nThe Font Software may be modified, altered, or added to, and in particular the designs of glyphs or characters in the Fonts may be modified and additional glyphs or characters may be added to the Fonts, only if the fonts are renamed to names not containing the word \"MgOpen\", or if the modifications are accepted for inclusion in the Font Software itself by the each appointed Administrator.\r\n\r\nThis License becomes null and void to the extent applicable to Fonts or Font Software that has been modified and is distributed under the \"MgOpen\" name.\r\n\r\nThe Font Software may be sold as part of a larger software package but no copy of one or more of the Font Software typefaces may be sold by itself. \r\n\r\nTHE FONT SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL MAGENTA OR PERSONS OR BODIES IN CHARGE OF ADMINISTRATION AND MAINTENANCE OF THE FONT SOFTWARE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE.", + "manufacturer_name": "Μagenta ltd", + "font_sub_family_name": "Regular" + }, + "descender": -334, + "familyName": "Helvetiker", + "lineHeight": 1522, + "underlineThickness": 50 +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/App.razor b/src/dotnet/Blazor3D/TestWebAsm/App.razor index 6fd3ed1..c7730d1 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/App.razor +++ b/src/dotnet/Blazor3D/TestWebAsm/App.razor @@ -1,7 +1,7 @@  - - + + Not found @@ -9,4 +9,4 @@

Sorry, there's nothing at this address.

 - + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Pages/Index.razor b/src/dotnet/Blazor3D/TestWebAsm/Pages/Index.razor index 58f9640..9893a34 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Pages/Index.razor +++ b/src/dotnet/Blazor3D/TestWebAsm/Pages/Index.razor @@ -20,10 +20,11 @@ @code { private Viewer View3D1 = null!; private Guid objGuid; + private ViewerSettings settings = new ViewerSettings() - { - ContainerId = "rsid", - }; + { + ContainerId = "rsid", + }; private Scene scene = new Scene(); @@ -31,67 +32,65 @@ { scene.Add(new AmbientLight()); scene.Add(new PointLight() + { + Decay = 2, + Position = new Vector3 { - Decay = 2, - Position = new Vector3 - { - X = 1, - Y = 3, - Z = 0 - } - }); + X = 1, + Y = 3, + Z = 0 + } + }); scene.Add(new Mesh()); scene.Add(new Mesh + { + Geometry = new BoxGeometry { - Geometry = new BoxGeometry - { - Width = 2, - Height = 0.5f - }, - Position = new Vector3 - { - X = -1, - Y = 1, - Z = -1 - } - , - Rotation = new Euler - { - X = Math.PI/4 - } - }); + Width = 2, + Height = 0.5f + }, + Position = new Vector3 + { + X = -1, + Y = 1, + Z = -1 + }, + Rotation = new Euler + { + X = Math.PI / 4 + } + }); scene.Add(new Mesh + { + Geometry = new CircleGeometry(), + Position = new Vector3 { - Geometry = new CircleGeometry(), - Position = new Vector3 - { - X = 1, - Y = 1, - Z = -1 - }, - Scale = new Vector3(0.5f, 1f, 1f) - }); + X = 1, + Y = 1, + Z = -1 + }, + Scale = new Vector3(0.5f, 1f, 1f) + }); return base.OnInitializedAsync(); } private async Task OnLoadObjButtonClick() { - //await View3D1.Import3DModelAsync( - // Import3DFormats.Fbx, - // "https://threejs.org/examples/models/fbx/Samba%20Dancing.fbx", - // null, - // Guid.NewGuid()); - // await View3D1.SetCameraPositionAsync(new Vector3(0, 100, 250)); + //await View3D1.Import3DModelAsync( + // Import3DFormats.Fbx, + // "https://threejs.org/examples/models/fbx/Samba%20Dancing.fbx", + // null, + // Guid.NewGuid()); + // await View3D1.SetCameraPositionAsync(new Vector3(0, 100, 250)); - // await View3D1.Import3DModelAsync( - // Import3DFormats.Gltf, - // "https://threejs.org/examples/models/gltf/DamagedHelmet/glTF/DamagedHelmet.gltf", - // null, - // Guid.NewGuid()); - // await View3D1.SetCameraPositionAsync(new Vector3(0, 1, 5)); + // await View3D1.Import3DModelAsync( + // Import3DFormats.Gltf, + // "https://threejs.org/examples/models/gltf/DamagedHelmet/glTF/DamagedHelmet.gltf", + // null, + // Guid.NewGuid()); + // await View3D1.SetCameraPositionAsync(new Vector3(0, 1, 5)); } -} - +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Program.cs b/src/dotnet/Blazor3D/TestWebAsm/Program.cs index ceeba67..f94bbd4 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Program.cs +++ b/src/dotnet/Blazor3D/TestWebAsm/Program.cs @@ -8,4 +8,4 @@ builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) }); -await builder.Build().RunAsync(); +await builder.Build().RunAsync(); \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Properties/launchSettings.json b/src/dotnet/Blazor3D/TestWebAsm/Properties/launchSettings.json index 76eac54..1b02b43 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Properties/launchSettings.json +++ b/src/dotnet/Blazor3D/TestWebAsm/Properties/launchSettings.json @@ -27,4 +27,4 @@ } } } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor b/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor index 839b8fe..f6943e5 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor +++ b/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor @@ -2,7 +2,7 @@
- +
@@ -14,4 +14,4 @@ @Body
-
+
\ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor.css b/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor.css index c865427..14ae22b 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor.css +++ b/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor.css @@ -4,13 +4,9 @@ flex-direction: column; } -main { - flex: 1; -} +main { flex: 1; } -.sidebar { - background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%); -} +.sidebar { background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%); } .top-row { background-color: #f7f7f7; @@ -21,39 +17,29 @@ main { align-items: center; } - .top-row ::deep a, .top-row ::deep .btn-link { - white-space: nowrap; - margin-left: 1.5rem; - text-decoration: none; - } +.top-row ::deep a, .top-row ::deep .btn-link { + white-space: nowrap; + margin-left: 1.5rem; + text-decoration: none; +} - .top-row ::deep a:hover, .top-row ::deep .btn-link:hover { - text-decoration: underline; - } +.top-row ::deep a:hover, .top-row ::deep .btn-link:hover { text-decoration: underline; } - .top-row ::deep a:first-child { - overflow: hidden; - text-overflow: ellipsis; - } +.top-row ::deep a:first-child { + overflow: hidden; + text-overflow: ellipsis; +} @media (max-width: 640.98px) { - .top-row:not(.auth) { - display: none; - } + .top-row:not(.auth) { display: none; } - .top-row.auth { - justify-content: space-between; - } + .top-row.auth { justify-content: space-between; } - .top-row ::deep a, .top-row ::deep .btn-link { - margin-left: 0; - } + .top-row ::deep a, .top-row ::deep .btn-link { margin-left: 0; } } @media (min-width: 641px) { - .page { - flex-direction: row; - } + .page { flex-direction: row; } .sidebar { width: 250px; @@ -78,4 +64,4 @@ main { padding-left: 2rem !important; padding-right: 1.5rem !important; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor b/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor index 8928758..84b1368 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor +++ b/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor @@ -26,4 +26,5 @@ { collapseNavMenu = !collapseNavMenu; } -} + +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor.css b/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor.css index acc5f9f..cac8867 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor.css +++ b/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor.css @@ -1,15 +1,11 @@ -.navbar-toggler { - background-color: rgba(255, 255, 255, 0.1); -} +.navbar-toggler { background-color: rgba(255, 255, 255, 0.1); } .top-row { height: 3.5rem; - background-color: rgba(0,0,0,0.4); + background-color: rgba(0, 0, 0, 0.4); } -.navbar-brand { - font-size: 1.1rem; -} +.navbar-brand { font-size: 1.1rem; } .oi { width: 2rem; @@ -23,40 +19,34 @@ padding-bottom: 0.5rem; } - .nav-item:first-of-type { - padding-top: 1rem; - } +.nav-item:first-of-type { padding-top: 1rem; } - .nav-item:last-of-type { - padding-bottom: 1rem; - } +.nav-item:last-of-type { padding-bottom: 1rem; } - .nav-item ::deep a { - color: #d7d7d7; - border-radius: 4px; - height: 3rem; - display: flex; - align-items: center; - line-height: 3rem; - } +.nav-item ::deep a { + color: #d7d7d7; + border-radius: 4px; + height: 3rem; + display: flex; + align-items: center; + line-height: 3rem; +} .nav-item ::deep a.active { - background-color: rgba(255,255,255,0.25); + background-color: rgba(255, 255, 255, 0.25); color: white; } .nav-item ::deep a:hover { - background-color: rgba(255,255,255,0.1); + background-color: rgba(255, 255, 255, 0.1); color: white; } @media (min-width: 641px) { - .navbar-toggler { - display: none; - } + .navbar-toggler { display: none; } .collapse { /* Never collapse the sidebar for wide screens */ display: block; } -} +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/TestWebAsm.csproj b/src/dotnet/Blazor3D/TestWebAsm/TestWebAsm.csproj index 02e75d3..4288804 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/TestWebAsm.csproj +++ b/src/dotnet/Blazor3D/TestWebAsm/TestWebAsm.csproj @@ -1,18 +1,19 @@ - - net6.0 - enable - enable - + + net6.0 + enable + enable + - - - - + + + + - - - + + + - + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/_Imports.razor b/src/dotnet/Blazor3D/TestWebAsm/_Imports.razor index 47d9207..6499901 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/_Imports.razor +++ b/src/dotnet/Blazor3D/TestWebAsm/_Imports.razor @@ -9,4 +9,4 @@ @using TestWebAsm @using TestWebAsm.Shared @using HomagGroup.Blazor3D -@using HomagGroup.Blazor3D.Settings +@using HomagGroup.Blazor3D.Settings \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/wwwroot/css/app.css b/src/dotnet/Blazor3D/TestWebAsm/wwwroot/css/app.css index 9cd148f..e9c2333 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/wwwroot/css/app.css +++ b/src/dotnet/Blazor3D/TestWebAsm/wwwroot/css/app.css @@ -1,16 +1,10 @@ @import url('open-iconic/font/css/open-iconic-bootstrap.min.css'); -html, body { - font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; -} +html, body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; } -h1:focus { - outline: none; -} +h1:focus { outline: none; } -a, .btn-link { - color: #0071c1; -} +a, .btn-link { color: #0071c1; } .btn-primary { color: #fff; @@ -18,21 +12,13 @@ a, .btn-link { border-color: #1861ac; } -.content { - padding-top: 1.1rem; -} +.content { padding-top: 1.1rem; } -.valid.modified:not([type=checkbox]) { - outline: 1px solid #26b050; -} +.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; } -.invalid { - outline: 1px solid red; -} +.invalid { outline: 1px solid red; } -.validation-message { - color: red; -} +.validation-message { color: red; } #blazor-error-ui { background: lightyellow; @@ -46,12 +32,12 @@ a, .btn-link { z-index: 1000; } - #blazor-error-ui .dismiss { - cursor: pointer; - position: absolute; - right: 0.75rem; - top: 0.5rem; - } +#blazor-error-ui .dismiss { + cursor: pointer; + position: absolute; + right: 0.75rem; + top: 0.5rem; +} .blazor-error-boundary { background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121; @@ -59,6 +45,4 @@ a, .btn-link { color: white; } - .blazor-error-boundary::after { - content: "An error has occurred." - } +.blazor-error-boundary::after { content: "An error has occurred." } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/wwwroot/index.html b/src/dotnet/Blazor3D/TestWebAsm/wwwroot/index.html index f372cc1..d30d58c 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/wwwroot/index.html +++ b/src/dotnet/Blazor3D/TestWebAsm/wwwroot/index.html @@ -2,24 +2,24 @@ - - + + TestWebAsm - - - - + + + + -
Loading...
+
Loading...
-
- An unhandled error has occurred. - Reload - 🗙 -
- +
+ An unhandled error has occurred. + Reload + 🗙 +
+ - + \ No newline at end of file From 63033a8c341fab9e4225cd1c84cd024e4a6aba4f Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Sat, 23 Dec 2023 23:08:29 +0530 Subject: [PATCH 08/17] TestWebAsm project updated to .Net 8 --- src/dotnet/Blazor3D/Blazor3D.sln | 6 ++ .../Extensions/ServiceCollectionExtension.cs | 16 +++- .../Layout}/MainLayout.razor | 6 ++ .../Layout}/MainLayout.razor.css | 0 .../Layout}/NavMenu.razor | 0 .../Layout}/NavMenu.razor.css | 0 .../TestWebAsm.Client/Pages/Index.razor | 87 +++++++++++++++++ .../Blazor3D/TestWebAsm.Client/Program.cs | 5 + .../Blazor3D/TestWebAsm.Client/Routes.razor | 6 ++ .../TestWebAsm.Client.csproj | 19 ++++ .../Blazor3D/TestWebAsm.Client/_Imports.razor | 18 ++++ .../wwwroot/appsettings.Development.json | 8 ++ .../wwwroot/appsettings.json | 8 ++ src/dotnet/Blazor3D/TestWebAsm/App.razor | 12 --- .../Blazor3D/TestWebAsm/Components/App.razor | 20 ++++ .../TestWebAsm/Components/Pages/Error.razor | 35 +++++++ .../{ => Components}/_Imports.razor | 13 ++- .../Blazor3D/TestWebAsm/GlobalUsings.cs | 3 + .../Blazor3D/TestWebAsm/Pages/Index.razor | 96 ------------------- src/dotnet/Blazor3D/TestWebAsm/Program.cs | 35 +++++-- .../Blazor3D/TestWebAsm/TestWebAsm.csproj | 10 +- .../TestWebAsm/appsettings.Development.json | 8 ++ .../Blazor3D/TestWebAsm/appsettings.json | 9 ++ .../Blazor3D/TestWebAsm/wwwroot/index.html | 25 ----- 24 files changed, 286 insertions(+), 159 deletions(-) rename src/dotnet/Blazor3D/{TestWebAsm/Shared => TestWebAsm.Client/Layout}/MainLayout.razor (70%) rename src/dotnet/Blazor3D/{TestWebAsm/Shared => TestWebAsm.Client/Layout}/MainLayout.razor.css (100%) rename src/dotnet/Blazor3D/{TestWebAsm/Shared => TestWebAsm.Client/Layout}/NavMenu.razor (100%) rename src/dotnet/Blazor3D/{TestWebAsm/Shared => TestWebAsm.Client/Layout}/NavMenu.razor.css (100%) create mode 100644 src/dotnet/Blazor3D/TestWebAsm.Client/Pages/Index.razor create mode 100644 src/dotnet/Blazor3D/TestWebAsm.Client/Program.cs create mode 100644 src/dotnet/Blazor3D/TestWebAsm.Client/Routes.razor create mode 100644 src/dotnet/Blazor3D/TestWebAsm.Client/TestWebAsm.Client.csproj create mode 100644 src/dotnet/Blazor3D/TestWebAsm.Client/_Imports.razor create mode 100644 src/dotnet/Blazor3D/TestWebAsm.Client/wwwroot/appsettings.Development.json create mode 100644 src/dotnet/Blazor3D/TestWebAsm.Client/wwwroot/appsettings.json delete mode 100644 src/dotnet/Blazor3D/TestWebAsm/App.razor create mode 100644 src/dotnet/Blazor3D/TestWebAsm/Components/App.razor create mode 100644 src/dotnet/Blazor3D/TestWebAsm/Components/Pages/Error.razor rename src/dotnet/Blazor3D/TestWebAsm/{ => Components}/_Imports.razor (50%) create mode 100644 src/dotnet/Blazor3D/TestWebAsm/GlobalUsings.cs delete mode 100644 src/dotnet/Blazor3D/TestWebAsm/Pages/Index.razor create mode 100644 src/dotnet/Blazor3D/TestWebAsm/appsettings.Development.json create mode 100644 src/dotnet/Blazor3D/TestWebAsm/appsettings.json delete mode 100644 src/dotnet/Blazor3D/TestWebAsm/wwwroot/index.html diff --git a/src/dotnet/Blazor3D/Blazor3D.sln b/src/dotnet/Blazor3D/Blazor3D.sln index 7d6b1fe..966ca7b 100644 --- a/src/dotnet/Blazor3D/Blazor3D.sln +++ b/src/dotnet/Blazor3D/Blazor3D.sln @@ -16,6 +16,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Documents", "Documents", "{ EndProject Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HomagGroup.Blazor3D.Tests", "Blazor3D.Tests\HomagGroup.Blazor3D.Tests.csproj", "{121CFD4A-111F-439A-A680-7A654426A075}" EndProject +Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TestWebAsm.Client", "TestWebAsm.Client\TestWebAsm.Client.csproj", "{402D0B80-8938-4F17-89E6-76E6D3456DE1}" +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|Any CPU = Debug|Any CPU @@ -38,6 +40,10 @@ Global {121CFD4A-111F-439A-A680-7A654426A075}.Debug|Any CPU.Build.0 = Debug|Any CPU {121CFD4A-111F-439A-A680-7A654426A075}.Release|Any CPU.ActiveCfg = Release|Any CPU {121CFD4A-111F-439A-A680-7A654426A075}.Release|Any CPU.Build.0 = Release|Any CPU + {402D0B80-8938-4F17-89E6-76E6D3456DE1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {402D0B80-8938-4F17-89E6-76E6D3456DE1}.Debug|Any CPU.Build.0 = Debug|Any CPU + {402D0B80-8938-4F17-89E6-76E6D3456DE1}.Release|Any CPU.ActiveCfg = Release|Any CPU + {402D0B80-8938-4F17-89E6-76E6D3456DE1}.Release|Any CPU.Build.0 = Release|Any CPU EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE diff --git a/src/dotnet/Blazor3D/Blazor3D/Extensions/ServiceCollectionExtension.cs b/src/dotnet/Blazor3D/Blazor3D/Extensions/ServiceCollectionExtension.cs index a6a43a2..01c904c 100644 --- a/src/dotnet/Blazor3D/Blazor3D/Extensions/ServiceCollectionExtension.cs +++ b/src/dotnet/Blazor3D/Blazor3D/Extensions/ServiceCollectionExtension.cs @@ -6,14 +6,20 @@ public static IServiceCollection AddBlazor3DFileTypes(this IServiceCollection se { var provider = new FileExtensionContentTypeProvider(); - provider.Mappings.Add(".fbx", "application/octet-stream"); - provider.Mappings.Add(".gltf", "model/gltf+json"); - provider.Mappings.Add(".glb", "model/gltf-binary"); - provider.Mappings.Add(".dae", "model/vnd.collada+xml"); - provider.Mappings.Add(".stl", "model/stl"); + provider.AddMapping(".fbx", "application/octet-stream"); + provider.AddMapping(".gltf", "model/gltf+json"); + provider.AddMapping(".glb", "model/gltf-binary"); + provider.AddMapping(".dae", "model/vnd.collada+xml"); + provider.AddMapping(".stl", "model/stl"); services.Configure(s => s.ContentTypeProvider = provider); return services; } + + private static void AddMapping(this FileExtensionContentTypeProvider provider, string fileExtension, string mimeType) + { + if (!provider.Mappings.ContainsKey(fileExtension)) + provider.Mappings.Add(fileExtension, mimeType); + } } \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor b/src/dotnet/Blazor3D/TestWebAsm.Client/Layout/MainLayout.razor similarity index 70% rename from src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor rename to src/dotnet/Blazor3D/TestWebAsm.Client/Layout/MainLayout.razor index f6943e5..ea1910d 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor +++ b/src/dotnet/Blazor3D/TestWebAsm.Client/Layout/MainLayout.razor @@ -14,4 +14,10 @@ @Body +
+ +
+ An unhandled error has occurred. + Reload + 🗙
\ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor.css b/src/dotnet/Blazor3D/TestWebAsm.Client/Layout/MainLayout.razor.css similarity index 100% rename from src/dotnet/Blazor3D/TestWebAsm/Shared/MainLayout.razor.css rename to src/dotnet/Blazor3D/TestWebAsm.Client/Layout/MainLayout.razor.css diff --git a/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor b/src/dotnet/Blazor3D/TestWebAsm.Client/Layout/NavMenu.razor similarity index 100% rename from src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor rename to src/dotnet/Blazor3D/TestWebAsm.Client/Layout/NavMenu.razor diff --git a/src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor.css b/src/dotnet/Blazor3D/TestWebAsm.Client/Layout/NavMenu.razor.css similarity index 100% rename from src/dotnet/Blazor3D/TestWebAsm/Shared/NavMenu.razor.css rename to src/dotnet/Blazor3D/TestWebAsm.Client/Layout/NavMenu.razor.css diff --git a/src/dotnet/Blazor3D/TestWebAsm.Client/Pages/Index.razor b/src/dotnet/Blazor3D/TestWebAsm.Client/Pages/Index.razor new file mode 100644 index 0000000..cb30ab6 --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm.Client/Pages/Index.razor @@ -0,0 +1,87 @@ +@page "/" +@page "/index" + +Index + +
+
+ +
+
+ + +
+ +
+ +@code { + private Viewer View3D1 = null!; + private Guid objGuid; + + private ViewerSettings settings = new ViewerSettings() + { + ContainerId = "rsid", + }; + + private Scene scene = new Scene(); + + protected override Task OnInitializedAsync() + { + scene.Add(new AmbientLight()); + scene.Add(new PointLight() + { + Decay = 2, + Position = new Vector3 + { + X = 1, + Y = 3, + Z = 0 + } + }); + scene.Add(new Mesh()); + scene.Add(new Mesh + { + Geometry = new BoxGeometry + { + Width = 2, + Height = 0.5f + }, + Position = new Vector3 + { + X = -1, + Y = 1, + Z = -1 + }, + Rotation = new Euler + { + X = Math.PI / 4 + } + }); + + scene.Add(new Mesh + { + Geometry = new CircleGeometry(), + Position = new Vector3 + { + X = 1, + Y = 1, + Z = -1 + }, + Scale = new Vector3(0.5f, 1f, 1f) + }); + + return base.OnInitializedAsync(); + } + + private async Task OnLoadFbxButtonClick() + { + await View3D1.Import3DModelFileAsync("https://threejs.org/examples/models/fbx/Samba%20Dancing.fbx"); + await View3D1.SetCameraPositionAsync(new Vector3(0, 100, 250)); + } + + private async Task OnLoadGltfButtonClick() + { + await View3D1.Import3DModelFileAsync("https://threejs.org/examples/models/gltf/DamagedHelmet/glTF/DamagedHelmet.gltf"); + await View3D1.SetCameraPositionAsync(new Vector3(0, 1, 5)); + } +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm.Client/Program.cs b/src/dotnet/Blazor3D/TestWebAsm.Client/Program.cs new file mode 100644 index 0000000..519269f --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm.Client/Program.cs @@ -0,0 +1,5 @@ +using Microsoft.AspNetCore.Components.WebAssembly.Hosting; + +var builder = WebAssemblyHostBuilder.CreateDefault(args); + +await builder.Build().RunAsync(); diff --git a/src/dotnet/Blazor3D/TestWebAsm.Client/Routes.razor b/src/dotnet/Blazor3D/TestWebAsm.Client/Routes.razor new file mode 100644 index 0000000..ff7d4a3 --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm.Client/Routes.razor @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm.Client/TestWebAsm.Client.csproj b/src/dotnet/Blazor3D/TestWebAsm.Client/TestWebAsm.Client.csproj new file mode 100644 index 0000000..1a2fee2 --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm.Client/TestWebAsm.Client.csproj @@ -0,0 +1,19 @@ + + + + net8.0 + enable + enable + true + Default + + + + + + + + + + + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm.Client/_Imports.razor b/src/dotnet/Blazor3D/TestWebAsm.Client/_Imports.razor new file mode 100644 index 0000000..2a1e04d --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm.Client/_Imports.razor @@ -0,0 +1,18 @@ +@using HomagGroup.Blazor3D +@using HomagGroup.Blazor3D.Enums +@using HomagGroup.Blazor3D.Geometires +@using HomagGroup.Blazor3D.Lights +@using HomagGroup.Blazor3D.Maths +@using HomagGroup.Blazor3D.Objects +@using HomagGroup.Blazor3D.Scenes +@using HomagGroup.Blazor3D.Settings +@using HomagGroup.Blazor3D.Viewers +@using Microsoft.AspNetCore.Components.Forms +@using Microsoft.AspNetCore.Components.Routing +@using Microsoft.AspNetCore.Components.Web +@using Microsoft.AspNetCore.Components.Web.Virtualization +@using Microsoft.JSInterop +@using System.Net.Http +@using System.Net.Http.Json +@using TestWebAsm.Client +@using static Microsoft.AspNetCore.Components.Web.RenderMode \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm.Client/wwwroot/appsettings.Development.json b/src/dotnet/Blazor3D/TestWebAsm.Client/wwwroot/appsettings.Development.json new file mode 100644 index 0000000..0c208ae --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm.Client/wwwroot/appsettings.Development.json @@ -0,0 +1,8 @@ +{ + "Logging": { + "LogLevel": { + "Default": "Information", + "Microsoft.AspNetCore": "Warning" + } + } +} diff --git a/src/dotnet/Blazor3D/TestWebAsm.Client/wwwroot/appsettings.json b/src/dotnet/Blazor3D/TestWebAsm.Client/wwwroot/appsettings.json new file mode 100644 index 0000000..0c208ae --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm.Client/wwwroot/appsettings.json @@ -0,0 +1,8 @@ +{ + "Logging": { + "LogLevel": { + "Default": "Information", + "Microsoft.AspNetCore": "Warning" + } + } +} diff --git a/src/dotnet/Blazor3D/TestWebAsm/App.razor b/src/dotnet/Blazor3D/TestWebAsm/App.razor deleted file mode 100644 index c7730d1..0000000 --- a/src/dotnet/Blazor3D/TestWebAsm/App.razor +++ /dev/null @@ -1,12 +0,0 @@ - - - - - - - Not found - -

Sorry, there's nothing at this address.

- - - \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Components/App.razor b/src/dotnet/Blazor3D/TestWebAsm/Components/App.razor new file mode 100644 index 0000000..b945f15 --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm/Components/App.razor @@ -0,0 +1,20 @@ + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Components/Pages/Error.razor b/src/dotnet/Blazor3D/TestWebAsm/Components/Pages/Error.razor new file mode 100644 index 0000000..872b4c3 --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm/Components/Pages/Error.razor @@ -0,0 +1,35 @@ +@page "/Error" +@using System.Diagnostics + +Error + +

Error.

+

An error occurred while processing your request.

+ +@if (ShowRequestId) +{ +

+ Request ID: @RequestId +

+} + +

Development Mode

+

+ Swapping to Development environment will display more detailed information about the error that occurred. +

+

+ The Development environment shouldn't be enabled for deployed applications. + It can result in displaying sensitive information from exceptions to end users. + For local debugging, enable the Development environment by setting the ASPNETCORE_ENVIRONMENT environment variable to Development + and restarting the app. +

+ +@code { + [CascadingParameter] + private HttpContext? HttpContext { get; set; } + + private string? RequestId { get; set; } + private bool ShowRequestId => !string.IsNullOrEmpty(RequestId); + + protected override void OnInitialized() => RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier; +} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/_Imports.razor b/src/dotnet/Blazor3D/TestWebAsm/Components/_Imports.razor similarity index 50% rename from src/dotnet/Blazor3D/TestWebAsm/_Imports.razor rename to src/dotnet/Blazor3D/TestWebAsm/Components/_Imports.razor index 6499901..2ab8e9e 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/_Imports.razor +++ b/src/dotnet/Blazor3D/TestWebAsm/Components/_Imports.razor @@ -1,12 +1,11 @@ -@using System.Net.Http -@using System.Net.Http.Json -@using Microsoft.AspNetCore.Components.Forms +@using Microsoft.AspNetCore.Components.Forms @using Microsoft.AspNetCore.Components.Routing @using Microsoft.AspNetCore.Components.Web @using Microsoft.AspNetCore.Components.Web.Virtualization -@using Microsoft.AspNetCore.Components.WebAssembly.Http @using Microsoft.JSInterop +@using System.Net.Http +@using System.Net.Http.Json @using TestWebAsm -@using TestWebAsm.Shared -@using HomagGroup.Blazor3D -@using HomagGroup.Blazor3D.Settings \ No newline at end of file +@using TestWebAsm.Client +@using TestWebAsm.Components +@using static Microsoft.AspNetCore.Components.Web.RenderMode \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/GlobalUsings.cs b/src/dotnet/Blazor3D/TestWebAsm/GlobalUsings.cs new file mode 100644 index 0000000..038b1b5 --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm/GlobalUsings.cs @@ -0,0 +1,3 @@ +global using HomagGroup.Blazor3D.Extensions; +global using TestWebAsm.Components; +global using Index = TestWebAsm.Client.Pages.Index; \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Pages/Index.razor b/src/dotnet/Blazor3D/TestWebAsm/Pages/Index.razor deleted file mode 100644 index 9893a34..0000000 --- a/src/dotnet/Blazor3D/TestWebAsm/Pages/Index.razor +++ /dev/null @@ -1,96 +0,0 @@ -@page "/" -@using HomagGroup.Blazor3D.Enums -@using HomagGroup.Blazor3D.Geometires -@using HomagGroup.Blazor3D.Lights -@using HomagGroup.Blazor3D.Maths -@using HomagGroup.Blazor3D.Objects -@using HomagGroup.Blazor3D.Scenes -@using HomagGroup.Blazor3D.Viewers - -
-
- -
-
- -
- -
- -@code { - private Viewer View3D1 = null!; - private Guid objGuid; - - private ViewerSettings settings = new ViewerSettings() - { - ContainerId = "rsid", - }; - - private Scene scene = new Scene(); - - protected override Task OnInitializedAsync() - { - scene.Add(new AmbientLight()); - scene.Add(new PointLight() - { - Decay = 2, - Position = new Vector3 - { - X = 1, - Y = 3, - Z = 0 - } - }); - scene.Add(new Mesh()); - scene.Add(new Mesh - { - Geometry = new BoxGeometry - { - Width = 2, - Height = 0.5f - }, - Position = new Vector3 - { - X = -1, - Y = 1, - Z = -1 - }, - Rotation = new Euler - { - X = Math.PI / 4 - } - }); - - scene.Add(new Mesh - { - Geometry = new CircleGeometry(), - Position = new Vector3 - { - X = 1, - Y = 1, - Z = -1 - }, - Scale = new Vector3(0.5f, 1f, 1f) - }); - - return base.OnInitializedAsync(); - } - - private async Task OnLoadObjButtonClick() - { - //await View3D1.Import3DModelAsync( - // Import3DFormats.Fbx, - // "https://threejs.org/examples/models/fbx/Samba%20Dancing.fbx", - // null, - // Guid.NewGuid()); - // await View3D1.SetCameraPositionAsync(new Vector3(0, 100, 250)); - - // await View3D1.Import3DModelAsync( - // Import3DFormats.Gltf, - // "https://threejs.org/examples/models/gltf/DamagedHelmet/glTF/DamagedHelmet.gltf", - // null, - // Guid.NewGuid()); - // await View3D1.SetCameraPositionAsync(new Vector3(0, 1, 5)); - } - -} \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/Program.cs b/src/dotnet/Blazor3D/TestWebAsm/Program.cs index f94bbd4..d3fa8f1 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/Program.cs +++ b/src/dotnet/Blazor3D/TestWebAsm/Program.cs @@ -1,11 +1,30 @@ -using Microsoft.AspNetCore.Components.Web; -using Microsoft.AspNetCore.Components.WebAssembly.Hosting; -using TestWebAsm; +var builder = WebApplication.CreateBuilder(args); -var builder = WebAssemblyHostBuilder.CreateDefault(args); -builder.RootComponents.Add("#app"); -builder.RootComponents.Add("head::after"); +builder.Services.AddRazorComponents().AddInteractiveWebAssemblyComponents(); -builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) }); +builder.Services.AddBlazor3DFileTypes(); -await builder.Build().RunAsync(); \ No newline at end of file +var app = builder.Build(); + +// Configure the HTTP request pipeline. +if (app.Environment.IsDevelopment()) +{ + app.UseWebAssemblyDebugging(); +} +else +{ + app.UseExceptionHandler("/Error", createScopeForErrors: true); + // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts. + app.UseHsts(); +} + +app.UseHttpsRedirection(); + +app.UseStaticFiles(); +app.UseAntiforgery(); + +app.MapRazorComponents() + .AddInteractiveWebAssemblyRenderMode() + .AddAdditionalAssemblies(typeof(Index).Assembly); + +await app.RunAsync(); \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/TestWebAsm.csproj b/src/dotnet/Blazor3D/TestWebAsm/TestWebAsm.csproj index 4288804..7d6e39e 100644 --- a/src/dotnet/Blazor3D/TestWebAsm/TestWebAsm.csproj +++ b/src/dotnet/Blazor3D/TestWebAsm/TestWebAsm.csproj @@ -1,19 +1,17 @@ - + - net6.0 + net8.0 enable enable - - + - + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/TestWebAsm/appsettings.Development.json b/src/dotnet/Blazor3D/TestWebAsm/appsettings.Development.json new file mode 100644 index 0000000..0c208ae --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm/appsettings.Development.json @@ -0,0 +1,8 @@ +{ + "Logging": { + "LogLevel": { + "Default": "Information", + "Microsoft.AspNetCore": "Warning" + } + } +} diff --git a/src/dotnet/Blazor3D/TestWebAsm/appsettings.json b/src/dotnet/Blazor3D/TestWebAsm/appsettings.json new file mode 100644 index 0000000..10f68b8 --- /dev/null +++ b/src/dotnet/Blazor3D/TestWebAsm/appsettings.json @@ -0,0 +1,9 @@ +{ + "Logging": { + "LogLevel": { + "Default": "Information", + "Microsoft.AspNetCore": "Warning" + } + }, + "AllowedHosts": "*" +} diff --git a/src/dotnet/Blazor3D/TestWebAsm/wwwroot/index.html b/src/dotnet/Blazor3D/TestWebAsm/wwwroot/index.html deleted file mode 100644 index d30d58c..0000000 --- a/src/dotnet/Blazor3D/TestWebAsm/wwwroot/index.html +++ /dev/null @@ -1,25 +0,0 @@ - - - - - - - TestWebAsm - - - - - - - -
Loading...
- -
- An unhandled error has occurred. - Reload - 🗙 -
- - - - \ No newline at end of file From cf11841774764ebc067f7eacc9b7b523ebbb81c1 Mon Sep 17 00:00:00 2001 From: Kannan Chithambaranathan Date: Sat, 30 Dec 2023 21:25:26 +0530 Subject: [PATCH 09/17] JavaScript Files included in the project location All JavaScript Files moved to npmJS location. Then added the Build event in csproj. Every time build the project will automatically build the javascript bundle file. --- src/{dotnet => }/Blazor3D.Web/.dockerignore | 0 src/{dotnet => }/Blazor3D.Web/Blazor3D.Web.sln | 0 .../Areas/Identity/Pages/_ViewStart.cshtml | 0 .../Blazor3D.Web/Blazor3D.Web/Blazor3D.Web.csproj | 0 .../Blazor3D.Web/Controllers/HomeController.cs | 0 .../Blazor3D.Web/Controllers/ReferenceController.cs | 0 .../Blazor3D.Web/Data/ApplicationDbContext.cs | 0 .../Blazor3D.Web/Blazor3D.Web/Dockerfile | 0 .../Migrations/20220708070619_Initial.Designer.cs | 0 .../Migrations/20220708070619_Initial.cs | 0 .../Migrations/ApplicationDbContextModelSnapshot.cs | 0 .../Blazor3D.Web/Models/ErrorViewModel.cs | 0 .../Blazor3D.Web/Blazor3D.Web/Program.cs | 0 .../Blazor3D.Web/Properties/launchSettings.json | 0 .../Properties/serviceDependencies.json | 0 .../Properties/serviceDependencies.local.json | 0 .../Blazor3D.Web/Blazor3D.Web/Templates/Index.html | 0 .../Blazor3D.Web/Views/Home/GettingStarted.cshtml | 0 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b/src/Blazor3D/Blazor3D/Geometires/ExtrudeGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/ExtrudeGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometryOptions.cs b/src/Blazor3D/Blazor3D/Geometires/ExtrudeGeometryOptions.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/ExtrudeGeometryOptions.cs rename to src/Blazor3D/Blazor3D/Geometires/ExtrudeGeometryOptions.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/IcosahedronGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/IcosahedronGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/IcosahedronGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/IcosahedronGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/Lines/LineGeometry.cs similarity index 100% rename from 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a/src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/ShapeGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/SphereGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/SphereGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/SphereGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/SphereGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/TetrahedronGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextExtrudeGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/Text/TextExtrudeGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextExtrudeGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/Text/TextExtrudeGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextShapeGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/Text/TextShapeGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextShapeGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/Text/TextShapeGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/Text/TextStrokeGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/TorusGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs b/src/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs rename to src/Blazor3D/Blazor3D/Geometires/TorusKnotGeometry.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs b/src/Blazor3D/Blazor3D/GlobalUsings.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/GlobalUsings.cs rename to src/Blazor3D/Blazor3D/GlobalUsings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/ArrowHelper.cs b/src/Blazor3D/Blazor3D/Helpers/ArrowHelper.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Helpers/ArrowHelper.cs rename to src/Blazor3D/Blazor3D/Helpers/ArrowHelper.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/AxesHelper.cs b/src/Blazor3D/Blazor3D/Helpers/AxesHelper.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Helpers/AxesHelper.cs rename to src/Blazor3D/Blazor3D/Helpers/AxesHelper.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs b/src/Blazor3D/Blazor3D/Helpers/BoxHelper.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Helpers/BoxHelper.cs rename to src/Blazor3D/Blazor3D/Helpers/BoxHelper.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs b/src/Blazor3D/Blazor3D/Helpers/GridHelper.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Helpers/GridHelper.cs rename to src/Blazor3D/Blazor3D/Helpers/GridHelper.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/PlaneHelper.cs b/src/Blazor3D/Blazor3D/Helpers/PlaneHelper.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Helpers/PlaneHelper.cs rename to src/Blazor3D/Blazor3D/Helpers/PlaneHelper.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/PointLightHelper.cs b/src/Blazor3D/Blazor3D/Helpers/PointLightHelper.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Helpers/PointLightHelper.cs rename to src/Blazor3D/Blazor3D/Helpers/PointLightHelper.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs b/src/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs rename to src/Blazor3D/Blazor3D/Helpers/PolarGridHelper.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj b/src/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj similarity index 90% rename from src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj rename to src/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj index 1d5c0e0..3e0809f 100644 --- a/src/dotnet/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj +++ b/src/Blazor3D/Blazor3D/HomagGroup.Blazor3D.csproj @@ -42,4 +42,8 @@ + + + + \ No newline at end of file diff --git a/src/dotnet/Blazor3D/Blazor3D/Lights/AmbientLight.cs b/src/Blazor3D/Blazor3D/Lights/AmbientLight.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Lights/AmbientLight.cs rename to src/Blazor3D/Blazor3D/Lights/AmbientLight.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Lights/Light.cs b/src/Blazor3D/Blazor3D/Lights/Light.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Lights/Light.cs rename to src/Blazor3D/Blazor3D/Lights/Light.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs b/src/Blazor3D/Blazor3D/Lights/PointLight.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Lights/PointLight.cs rename to src/Blazor3D/Blazor3D/Lights/PointLight.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs b/src/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs rename to src/Blazor3D/Blazor3D/Materials/LineBasicMaterial.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs b/src/Blazor3D/Blazor3D/Materials/Material.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Materials/Material.cs rename to src/Blazor3D/Blazor3D/Materials/Material.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs b/src/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs rename to src/Blazor3D/Blazor3D/Materials/MeshStandardMaterial.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs b/src/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs rename to src/Blazor3D/Blazor3D/Materials/SpriteMaterial.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs b/src/Blazor3D/Blazor3D/Maths/Euler.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Maths/Euler.cs rename to src/Blazor3D/Blazor3D/Maths/Euler.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs b/src/Blazor3D/Blazor3D/Maths/Plane.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Maths/Plane.cs rename to src/Blazor3D/Blazor3D/Maths/Plane.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs b/src/Blazor3D/Blazor3D/Maths/Vector2.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Maths/Vector2.cs rename to src/Blazor3D/Blazor3D/Maths/Vector2.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs b/src/Blazor3D/Blazor3D/Maths/Vector3.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Maths/Vector3.cs rename to src/Blazor3D/Blazor3D/Maths/Vector3.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Group.cs b/src/Blazor3D/Blazor3D/Objects/Group.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Objects/Group.cs rename to src/Blazor3D/Blazor3D/Objects/Group.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs b/src/Blazor3D/Blazor3D/Objects/Line.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Objects/Line.cs rename to src/Blazor3D/Blazor3D/Objects/Line.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs b/src/Blazor3D/Blazor3D/Objects/Mesh.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Objects/Mesh.cs rename to src/Blazor3D/Blazor3D/Objects/Mesh.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs b/src/Blazor3D/Blazor3D/Objects/Sprite.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Objects/Sprite.cs rename to src/Blazor3D/Blazor3D/Objects/Sprite.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs b/src/Blazor3D/Blazor3D/Objects/Text.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Objects/Text.cs rename to src/Blazor3D/Blazor3D/Objects/Text.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs b/src/Blazor3D/Blazor3D/Scenes/Scene.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Scenes/Scene.cs rename to src/Blazor3D/Blazor3D/Scenes/Scene.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateObject3DSettings.cs b/src/Blazor3D/Blazor3D/Settings/AnimateObject3DSettings.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Settings/AnimateObject3DSettings.cs rename to src/Blazor3D/Blazor3D/Settings/AnimateObject3DSettings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs b/src/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs rename to src/Blazor3D/Blazor3D/Settings/AnimateRotationSettings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs b/src/Blazor3D/Blazor3D/Settings/ImportSettings.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Settings/ImportSettings.cs rename to src/Blazor3D/Blazor3D/Settings/ImportSettings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/SpriteImportSettings.cs b/src/Blazor3D/Blazor3D/Settings/SpriteImportSettings.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Settings/SpriteImportSettings.cs rename to src/Blazor3D/Blazor3D/Settings/SpriteImportSettings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/ViewerSettings.cs b/src/Blazor3D/Blazor3D/Settings/ViewerSettings.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Settings/ViewerSettings.cs rename to src/Blazor3D/Blazor3D/Settings/ViewerSettings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs b/src/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs rename to src/Blazor3D/Blazor3D/Settings/WebGLRendererSettings.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs b/src/Blazor3D/Blazor3D/Textures/Texture.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Textures/Texture.cs rename to src/Blazor3D/Blazor3D/Textures/Texture.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor b/src/Blazor3D/Blazor3D/Viewers/Viewer.razor similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor rename to src/Blazor3D/Blazor3D/Viewers/Viewer.razor diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs b/src/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs rename to src/Blazor3D/Blazor3D/Viewers/Viewer.razor.cs diff --git a/src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.css b/src/Blazor3D/Blazor3D/Viewers/Viewer.razor.css similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/Viewers/Viewer.razor.css rename to src/Blazor3D/Blazor3D/Viewers/Viewer.razor.css diff --git a/src/dotnet/Blazor3D/Blazor3D/_Imports.razor b/src/Blazor3D/Blazor3D/_Imports.razor similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/_Imports.razor rename to src/Blazor3D/Blazor3D/_Imports.razor diff --git a/src/javascript/Builders/CameraBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/CameraBuilder.js similarity index 100% rename from src/javascript/Builders/CameraBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/CameraBuilder.js diff --git a/src/javascript/Builders/GeometryBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/GeometryBuilder.js similarity index 100% rename from src/javascript/Builders/GeometryBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/GeometryBuilder.js diff --git a/src/javascript/Builders/GroupBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/GroupBuilder.js similarity index 100% rename from src/javascript/Builders/GroupBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/GroupBuilder.js diff --git a/src/javascript/Builders/HelperBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/HelperBuilder.js similarity index 100% rename from src/javascript/Builders/HelperBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/HelperBuilder.js diff --git a/src/javascript/Builders/LightBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/LightBuilder.js similarity index 100% rename from src/javascript/Builders/LightBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/LightBuilder.js diff --git a/src/javascript/Builders/LineBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/LineBuilder.js similarity index 100% rename from src/javascript/Builders/LineBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/LineBuilder.js diff --git a/src/javascript/Builders/MaterialBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/MaterialBuilder.js similarity index 100% rename from src/javascript/Builders/MaterialBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/MaterialBuilder.js diff --git a/src/javascript/Builders/MeshBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/MeshBuilder.js similarity index 100% rename from src/javascript/Builders/MeshBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/MeshBuilder.js diff --git a/src/javascript/Builders/SceneBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/SceneBuilder.js similarity index 100% rename from src/javascript/Builders/SceneBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/SceneBuilder.js diff --git a/src/javascript/Builders/SpriteBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/SpriteBuilder.js similarity index 100% rename from src/javascript/Builders/SpriteBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/SpriteBuilder.js diff --git a/src/javascript/Builders/TextBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/TextBuilder.js similarity index 100% rename from src/javascript/Builders/TextBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/TextBuilder.js diff --git a/src/javascript/Builders/TextGeometryBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/TextGeometryBuilder.js similarity index 100% rename from src/javascript/Builders/TextGeometryBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/TextGeometryBuilder.js diff --git a/src/javascript/Builders/TextureBuilder.js b/src/Blazor3D/Blazor3D/npmJS/Builders/TextureBuilder.js similarity index 100% rename from src/javascript/Builders/TextureBuilder.js rename to src/Blazor3D/Blazor3D/npmJS/Builders/TextureBuilder.js diff --git a/src/javascript/Utils/Transforms.js b/src/Blazor3D/Blazor3D/npmJS/Utils/Transforms.js similarity index 100% rename from src/javascript/Utils/Transforms.js rename to src/Blazor3D/Blazor3D/npmJS/Utils/Transforms.js diff --git a/src/javascript/Viewer/Exporters.js b/src/Blazor3D/Blazor3D/npmJS/Viewer/Exporters.js similarity index 100% rename from src/javascript/Viewer/Exporters.js rename to src/Blazor3D/Blazor3D/npmJS/Viewer/Exporters.js diff --git a/src/javascript/Viewer/Loaders.js b/src/Blazor3D/Blazor3D/npmJS/Viewer/Loaders.js similarity index 97% rename from src/javascript/Viewer/Loaders.js rename to src/Blazor3D/Blazor3D/npmJS/Viewer/Loaders.js index d759969..1a33f9f 100644 --- a/src/javascript/Viewer/Loaders.js +++ b/src/Blazor3D/Blazor3D/npmJS/Viewer/Loaders.js @@ -127,31 +127,19 @@ class Loaders let material = settings.material; if (format == "Obj") - { return Loaders.loadOBJ(scene, objUrl, textureUrl, guid, containerId); - } if (format == "Collada") - { return Loaders.loadCollada(scene, objUrl, guid, containerId); - } if (format == "Fbx") - { return Loaders.loadFbx(scene, objUrl, guid, containerId); - } if (format == "Gltf") - { return Loaders.loadGltf(scene, objUrl, guid, containerId); - } if (format == "Stl") - { return Loaders.loadStl(scene, objUrl, guid, containerId, material); - } if (format == "Usdz") - { return Loaders.loadUsdz(scene, objUrl, guid, containerId, material); - } return null; } diff --git a/src/javascript/Viewer/Viewer3D.js b/src/Blazor3D/Blazor3D/npmJS/Viewer/Viewer3D.js similarity index 100% rename from src/javascript/Viewer/Viewer3D.js rename to src/Blazor3D/Blazor3D/npmJS/Viewer/Viewer3D.js diff --git a/src/javascript/index.js b/src/Blazor3D/Blazor3D/npmJS/index.js similarity index 100% rename from src/javascript/index.js rename to src/Blazor3D/Blazor3D/npmJS/index.js diff --git a/src/javascript/package-lock.json b/src/Blazor3D/Blazor3D/npmJS/package-lock.json similarity index 100% rename from src/javascript/package-lock.json rename to src/Blazor3D/Blazor3D/npmJS/package-lock.json diff --git a/src/javascript/package.json b/src/Blazor3D/Blazor3D/npmJS/package.json similarity index 89% rename from src/javascript/package.json rename to src/Blazor3D/Blazor3D/npmJS/package.json index f84aecc..662e267 100644 --- a/src/javascript/package.json +++ b/src/Blazor3D/Blazor3D/npmJS/package.json @@ -4,7 +4,6 @@ "description": "", "private": true, "scripts": { - "test": "echo \"Error: no test specified\" && exit 1", "build": "webpack --progress --profile", "watch": "webpack --progress --profile --watch", "production": "webpack --progress --profile --mode production" diff --git a/src/javascript/webpack.config.js b/src/Blazor3D/Blazor3D/npmJS/webpack.config.js similarity index 93% rename from src/javascript/webpack.config.js rename to src/Blazor3D/Blazor3D/npmJS/webpack.config.js index 6a8662f..3401183 100644 --- a/src/javascript/webpack.config.js +++ b/src/Blazor3D/Blazor3D/npmJS/webpack.config.js @@ -2,7 +2,7 @@ const path = require('path'); const webpack = require('webpack'); const bundleFileName = 'bundle'; -const dirName = '../dotnet/Blazor3D/Blazor3D/wwwroot/js'; +const dirName = '../wwwroot/js'; module.exports = (env, argv) => { //todo: bundle.min.js for production mode diff --git a/src/dotnet/Blazor3D/Blazor3D/wwwroot/js/bundle.js b/src/Blazor3D/Blazor3D/wwwroot/js/bundle.js similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/wwwroot/js/bundle.js rename to src/Blazor3D/Blazor3D/wwwroot/js/bundle.js diff --git a/src/dotnet/Blazor3D/Blazor3D/wwwroot/js/bundle.js.LICENSE.txt b/src/Blazor3D/Blazor3D/wwwroot/js/bundle.js.LICENSE.txt similarity index 100% rename from src/dotnet/Blazor3D/Blazor3D/wwwroot/js/bundle.js.LICENSE.txt rename to src/Blazor3D/Blazor3D/wwwroot/js/bundle.js.LICENSE.txt diff --git a/src/dotnet/Blazor3D/TestServer/App.razor b/src/Blazor3D/TestServer/App.razor similarity index 100% rename from src/dotnet/Blazor3D/TestServer/App.razor rename to src/Blazor3D/TestServer/App.razor diff --git a/src/dotnet/Blazor3D/TestServer/GlobalUsings.cs b/src/Blazor3D/TestServer/GlobalUsings.cs similarity index 100% rename from src/dotnet/Blazor3D/TestServer/GlobalUsings.cs rename to src/Blazor3D/TestServer/GlobalUsings.cs diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml b/src/Blazor3D/TestServer/Pages/Error.cshtml similarity index 100% rename from src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml rename to src/Blazor3D/TestServer/Pages/Error.cshtml diff --git a/src/dotnet/Blazor3D/TestServer/Pages/Error.cshtml.cs b/src/Blazor3D/TestServer/Pages/Error.cshtml.cs similarity index 100% rename from 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camera.lookAt(x, y, z);\n return camera;\n }\n}\n\nexport default CameraBuilder;\n","import * as THREE from \"three\";\n\nclass GeometryBuilder {\n static buildGeometry(options) {\n if (options.type == \"BoxGeometry\") {\n const geometry = new THREE.BoxGeometry(\n options.width,\n options.height,\n options.depth,\n options.widthSegments,\n options.heightSegments,\n options.depthSegments\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"CapsuleGeometry\") {\n const geometry = new THREE.CapsuleGeometry(\n options.radius,\n options.length,\n options.capSubdivisions,\n options.radialSegments\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"CircleGeometry\") {\n const geometry = new THREE.CircleGeometry(\n options.radius,\n options.segments,\n options.thetaStart,\n options.thetaLength\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"ConeGeometry\") {\n const geometry = new THREE.ConeGeometry(\n options.radius,\n options.height,\n options.radialSegments,\n options.heigthSegments,\n options.openEnded,\n options.thetaStart,\n options.thetaLength\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"CylinderGeometry\") {\n const geometry = new THREE.CylinderGeometry(\n options.radiusTop,\n options.radiusBottom,\n options.height,\n options.radialSegments,\n options.heigthSegments,\n options.openEnded,\n options.thetaStart,\n options.thetaLength\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"DodecahedronGeometry\") {\n const geometry = new THREE.DodecahedronGeometry(\n options.radius,\n options.detail\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"IcosahedronGeometry\") {\n const geometry = new THREE.IcosahedronGeometry(\n options.radius,\n options.detail\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"OctahedronGeometry\") {\n const geometry = new THREE.OctahedronGeometry(\n options.radius,\n options.detail\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"PlaneGeometry\") {\n const geometry = new THREE.PlaneGeometry(\n options.width,\n options.height,\n options.widthSegments,\n options.heightSegments\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"RingGeometry\") {\n const geometry = new THREE.RingGeometry(\n options.innerRadius,\n options.outerRadius,\n options.thetaSegments,\n options.phiSegments,\n options.thetaStart,\n options.thetaLength\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"SphereGeometry\") {\n const geometry = new THREE.SphereGeometry(\n options.radius,\n options.widthSegments,\n options.heightSegments,\n options.phiStart,\n options.phiLength,\n options.thetaStart,\n options.thetaLength\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"TetrahedronGeometry\") {\n const geometry = new THREE.TetrahedronGeometry(\n options.radius,\n options.detail\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"TorusGeometry\") {\n const geometry = new THREE.TorusGeometry(\n options.radius,\n options.tube,\n options.radialSegments,\n options.tubularSegments,\n options.arc\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"TorusKnotGeometry\") {\n const geometry = new THREE.TorusKnotGeometry(\n options.radius,\n options.tube,\n options.tubularSegments,\n options.radialSegments,\n options.p,\n options.pq,\n );\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"ShapeGeometry\") {\n const shape = new THREE.Shape(options.shape.points);\n shape.uuid = options.shape.uuid;\n const geometry = new THREE.ShapeGeometry(shape);\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"ExtrudeGeometry\") {\n const shape = new THREE.Shape(options.shape.points);\n shape.uuid = options.shape.uuid;\n\n const geometry = new THREE.ExtrudeGeometry(shape, options.extrudeOptions);\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"SplineCurveGeometry\") {\n const curve = new THREE.SplineCurve(options.points);\n const curvePoints = curve.getPoints(options.divisions)\n const geometry = new THREE.BufferGeometry().setFromPoints( curvePoints )\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"LineGeometry\") {\n const geometry = new THREE.BufferGeometry().setFromPoints( options.points )\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n console.log(\"geometry type not found\", options);\n }\n}\n\nexport default GeometryBuilder;\n","import * as THREE from \"three\";\nimport Transforms from \"../Utils/Transforms\";\nimport SceneBuilder from \"./SceneBuilder\";\n\nclass GroupBuilder {\n\n static BuildGroup(options, scene) {\n const group = new THREE.Group();\n options.children.forEach((childOptions) => {\n // todo: changes for text here (see Viewer.SetScene)\n var child = SceneBuilder.BuildChild(childOptions, scene);\n if (child) {\n group.add(child);\n }\n });\n Transforms.setPosition(group, options.position);\n Transforms.setRotation(group, options.rotation);\n Transforms.setScale(group, options.scale);\n return group;\n }\n}\n\nexport default GroupBuilder;","import * as THREE from \"three\";\nimport Transforms from \"../Utils/Transforms\";\n\nclass HelperBuilder {\n static BuildHelper(options, scene) {\n if (options.type == \"ArrowHelper\") {\n const dir = new THREE.Vector3(\n options.dir.x,\n options.dir.y,\n options.dir.z\n );\n dir.normalize();\n const origin = new THREE.Vector3(\n options.origin.x,\n options.origin.y,\n options.origin.z\n );\n const arrow = new THREE.ArrowHelper(\n dir,\n origin,\n options.length,\n options.color,\n options.headLength,\n options.headWidth\n );\n arrow.uuid = options.uuid;\n\n // transitions are not aplicable here??? todo: investigate this \n return arrow;\n }\n\n if (options.type == \"AxesHelper\") {\n const axes = new THREE.AxesHelper(options.size);\n axes.uuid = options.uuid;\n Transforms.setPosition(axes, options.position);\n Transforms.setRotation(axes, options.rotation);\n Transforms.setScale(axes, options.scale);\n return axes;\n }\n\n if (options.type == \"BoxHelper\") {\n const obj = scene.getObjectByProperty(\"uuid\", options.object3D.uuid);\n if (!obj) {\n throw `BoxHelper's object with uuid ${options.object3D.uuid} not found`;\n }\n const box = new THREE.BoxHelper(obj, options.color);\n box.uuid = options.uuid;\n // transitions do not work here\n return box;\n }\n\n if (options.type == \"GridHelper\") {\n const grid = new THREE.GridHelper(\n options.size,\n options.divisions,\n options.colorCenterLine,\n options.colorGrid\n );\n grid.uuid = options.uuid;\n Transforms.setPosition(grid, options.position);\n Transforms.setRotation(grid, options.rotation);\n Transforms.setScale(grid, options.scale);\n return grid;\n }\n\n if (options.type == \"PolarGridHelper\") {\n const grid = new THREE.PolarGridHelper(\n options.radius,\n options.radials,\n options.circles,\n options.divisions,\n options.color1,\n options.color2\n );\n grid.uuid = options.uuid;\n Transforms.setPosition(grid, options.position);\n Transforms.setRotation(grid, options.rotation);\n Transforms.setScale(grid, options.scale);\n return grid;\n }\n\n if (options.type == \"PlaneHelper\") {\n let { x, y, z } = options.plane.normal;\n let normal = new THREE.Vector3(x, y, z);\n let plane = new THREE.Plane(normal, options.plane.constant);\n\n const planeHelper = new THREE.PlaneHelper(plane, options.size, options.color);\n planeHelper.uuid = options.uuid;\n Transforms.setPosition(planeHelper, options.position);\n Transforms.setRotation(planeHelper, options.rotation);\n Transforms.setScale(planeHelper, options.scale);\n return planeHelper;\n }\n\n\n if (options.type == \"PointLightHelper\") {\n const obj = scene.getObjectByProperty(\"uuid\", options.light.uuid);\n if (!obj) {\n throw `BoxHelper's object with uuid ${options.light.uuid} not found`;\n }\n var color = options.color;\n if(!color){\n color = obj.color;\n }\n const plight = new THREE.PointLightHelper(obj, options.sphereSize, color);\n plight.uuid = options.uuid;\n // transitions do not work here\n return plight;\n }\n }\n}\n\nexport default HelperBuilder;\n","import * as THREE from \"three\";\nimport Transforms from \"../Utils/Transforms\";\n\nclass LightBuilder {\n static BuildAmbientLight(options) {\n const light = new THREE.AmbientLight(options.color, options.intensity);\n Transforms.setPosition(light, options.position);\n return light;\n }\n\n static BuildPointLight(options) {\n const light = new THREE.PointLight(\n options.color,\n options.intensity,\n options.distance,\n options.decay\n );\n light.uuid = options.uuid;\n Transforms.setPosition(light, options.position);\n return light;\n }\n}\n\nexport default LightBuilder;\n","import * as THREE from \"three\";\nimport Transforms from \"../Utils/Transforms\";\nimport GeometryBuilder from \"./GeometryBuilder\";\nimport MaterialBuilder from \"./MaterialBuilder\";\n\nclass LineBuilder {\n static BuildMesh(options) {\n const geometry = GeometryBuilder.buildGeometry(options.geometry);\n const material = MaterialBuilder.buildMaterial(options.material);\n const line = new THREE.Line(geometry, material);\n\n //todo: linecaps ...\n\n \n line.uuid = options.uuid;\n Transforms.setPosition(line, options.position);\n Transforms.setRotation(line,options.rotation);\n Transforms.setScale(line,options.scale);\n return line;\n }\n}\n\nexport default LineBuilder;\n","import * as THREE from \"three\";\nimport TextureBuilder from \"./TextureBuilder\";\n\nclass MaterialBuilder {\n static buildMaterial(options) {\n if (options.type == \"MeshStandardMaterial\") {\n\n let map = TextureBuilder.buildTexture(options.map);\n \n const material = new THREE.MeshStandardMaterial({\n color: options.color,\n transparent : options.transparent,\n opacity : options.opacity,\n flatShading : options.flatShading,\n metalness: options.metalness,\n roughness: options.roughness,\n wireframe: options.wireframe,\n map: map,\n depthTest: options.depthTest,\n depthWrite: options.depthWrite\n });\n material.uuid = options.uuid;\n return material;\n }\n\n if (options.type == \"LineBasicMaterial\") {\n\n const material = new THREE.LineBasicMaterial({\n color: options.color,\n transparent : options.transparent,\n opacity : options.opacity,\n linecap : options.lineCap,\n linejoin : options.lineJoin,\n linewidth : options.lineWidth,\n depthTest: options.depthTest,\n depthWrite: options.depthWrite\n });\n material.uuid = options.uuid;\n return material;\n }\n\n if(options.type == \"SpriteMaterial\") {\n let map = TextureBuilder.buildTexture(options.map);\n const material = new THREE.SpriteMaterial({\n isSpriteMaterial:true,\n color: options.color,\n transparent : options.transparent,\n opacity : options.opacity,\n map: map,\n rotation: options.rotation,\n depthTest: options.depthTest,\n depthWrite: options.depthWrite\n })\n material.uuid = options.uuid;\n return material;\n }\n }\n}\n\nexport default MaterialBuilder;\n","import * as THREE from \"three\";\nimport Transforms from \"../Utils/Transforms\";\nimport GeometryBuilder from \"./GeometryBuilder\";\nimport MaterialBuilder from \"./MaterialBuilder\";\n\nclass MeshBuilder {\n static BuildMesh(options) {\n const geometry = GeometryBuilder.buildGeometry(options.geometry);\n const material = MaterialBuilder.buildMaterial(options.material);\n const mesh = new THREE.Mesh(geometry, material);\n mesh.uuid = options.uuid;\n\n if (options.edgesMaterial) {\n const edges = this.BuildEdges(geometry, options.edgesMaterial);\n mesh.add(edges);\n }\n\n Transforms.setPosition(mesh, options.position);\n Transforms.setRotation(mesh, options.rotation);\n Transforms.setScale(mesh, options.scale);\n return mesh;\n }\n\n static BuildEdges(geometry, options) {\n const edges = new THREE.EdgesGeometry(geometry);\n const material = MaterialBuilder.buildMaterial(options);\n return new THREE.LineSegments(edges, material);\n }\n}\n\nexport default MeshBuilder;\n","import HelperBuilder from \"./HelperBuilder\";\nimport LightBuilder from \"./LightBuilder\";\nimport MeshBuilder from \"./MeshBuilder\";\nimport GroupBuilder from \"./GroupBuilder\";\nimport LineBuilder from \"./LineBuilder\";\nimport SpriteBuilder from \"./SpriteBuilder\";\n\nclass SceneBuilder {\n\n static BuildChild(options, scene) {\n if (options.type == \"Mesh\") {\n return MeshBuilder.BuildMesh(options);\n }\n\n if (options.type == \"Line\") {\n return LineBuilder.BuildMesh(options);\n }\n \n if (options.type == \"SplineCurve\"){\n return SplineCurveBuilder.BuildMesh(options)\n }\n\n if (options.type == \"Group\") {\n return GroupBuilder.BuildGroup(options);\n }\n\n if (options.type == \"AmbientLight\") {\n return LightBuilder.BuildAmbientLight(options);\n }\n\n if (options.type == \"PointLight\") {\n return LightBuilder.BuildPointLight(options);\n }\n\n if (options.type.includes(\"Helper\")) {\n return HelperBuilder.BuildHelper(options, scene);\n }\n\n if (options.type.includes(\"Sprite\")) {\n return SpriteBuilder.BuildSprite(options);\n }\n }\n}\n\nexport default SceneBuilder;\n","import * as THREE from \"three\";\nimport Transforms from \"../Utils/Transforms\";\nimport MaterialBuilder from \"./MaterialBuilder\";\n\nclass SpriteBuilder {\n\n static BuildSprite(options) {\n const material = MaterialBuilder.buildMaterial(options.material);\n const sprite = new THREE.Sprite(material);\n sprite.center = options.center;\n Transforms.setPosition(sprite, options.position);\n Transforms.setRotation(sprite, options.rotation);\n Transforms.setScale(sprite, options.scale);\n sprite.uuid = options.uuid;\n sprite.name = options.name;\n return sprite;\n }\n}\n\nexport default SpriteBuilder;\n","import * as THREE from \"three\";\nimport Transforms from \"../Utils/Transforms\";\nimport MaterialBuilder from \"./MaterialBuilder\";\nimport TextGeometryBuilder from \"./TextGeometryBuilder\"\nimport { FontLoader } from 'three/examples/jsm/loaders/FontLoader.js';\n\nclass TextBuilder {\n\n static BuildText(options, parent) {\n\n const loader = new FontLoader();\n\n loader.load(\n // font URL\n options.geometry.fontURL,\n // callback function called on font loading\n function (font) {\n const geometry = TextGeometryBuilder.buildGeometry(options.geometry, font);\n\n if (options.geometry.type != \"TextStrokeGeometry\") {\n const material = MaterialBuilder.buildMaterial(options.material);\n const mesh = new THREE.Mesh(geometry, material);\n mesh.uuid = options.uuid;\n Transforms.setPosition(mesh, options.position);\n Transforms.setRotation(mesh, options.rotation);\n Transforms.setScale(mesh, options.scale);\n parent.add(mesh);\n }\n else { // build stroke text here\n const strokeText = new THREE.Group();\n Transforms.setPosition(strokeText, options.position);\n Transforms.setRotation(strokeText, options.rotation);\n Transforms.setScale(strokeText, options.scale);\n strokeText.uuid = options.uuid;\n\n const matDark = new THREE.MeshBasicMaterial({\n color: options.material.color,\n side: THREE.DoubleSide\n });\n\n geometry.forEach(element => {\n const strokeMesh = new THREE.Mesh(element, matDark);\n strokeText.add(strokeMesh);\n });\n\n parent.add(strokeText);\n }\n },\n\n // onProgress callback\n function (xhr) {\n\n },\n\n // onError callback\n function (err) {\n console.error('Font loading failed. ', err);\n }\n );\n }\n}\n\nexport default TextBuilder;","import * as THREE from \"three\";\nimport { TextGeometry } from 'three/examples/jsm/geometries/TextGeometry';\nimport { SVGLoader } from \"three/examples/jsm/loaders/SVGLoader\"\n\nclass TextGeometryBuilder {\n static buildGeometry(options, font) {\n if (options.type == \"TextExtrudeGeometry\") {\n const geometry = new TextGeometry(options.text,\n {\n font: font,\n size: options.size,\n height: options.height,\n curveSegments: options.curveSegments,\n bevelEnabled: options.bevelEnabled,\n bevelThickness: options.bevelThickness,\n bevelSize: options.bevelSize,\n bevelOffset: options.bevelOffset,\n bevelSegments: options.bevelSegments,\n });\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"TextShapeGeometry\") {\n const shapes = font.generateShapes(options.text, options.size);\n const geometry = new THREE.ShapeGeometry(shapes);\n geometry.uuid = options.uuid;\n return geometry;\n }\n\n if (options.type == \"TextStrokeGeometry\") {\n const shapes = font.generateShapes(options.text, options.size);\n const holeShapes = [];\n\n for (let i = 0; i < shapes.length; i++) {\n if (shapes[i].holes && shapes[i].holes.length > 0) {\n for (let j = 0; j < shapes[i].holes.length; j++) {\n holeShapes.push(shapes[i].holes[j]);\n }\n }\n }\n\n shapes.push.apply(shapes, holeShapes);\n\n const style = SVGLoader.getStrokeStyle(options.strokeWidth);\n const geometries = [];\n for (let i = 0; i < shapes.length; i++) {\n const points = shapes[i].getPoints();\n const geometry = SVGLoader.pointsToStroke(points, style);\n geometries.push(geometry);\n }\n return geometries;\n }\n\n console.log(\"geometry type not found\", options);\n }\n}\n\nexport default TextGeometryBuilder;\n","import * as THREE from \"three\";\n\nclass TextureBuilder {\n static buildTexture(options) {\n if (options.type == \"Texture\") {\n let texture = new THREE.Texture();\n if(options.textureUrl){\n texture = new THREE.TextureLoader().load( options.textureUrl );\n texture.uuid = options.uuid;\n texture.wrapS = options.wrapS;\n texture.wrapT = options.wrapT;\n texture.repeat = options.repeat;\n texture.offset = options.offset;\n texture.center = options.center;\n texture.rotation = options.rotation;\n return texture;\n }\n return null; // if no texture needs to be loaded, return null\n }\n }\n}\n\nexport default TextureBuilder;\n","import * as THREE from \"three\";\n\nclass Transforms {\n static setPosition(object3d, position) {\n let { x, y, z } = position;\n object3d.position.set(x, y, z);\n }\n\n static setRotation(object3d, eulerOptions) {\n let { x, y, z, order } = eulerOptions;\n object3d.setRotationFromEuler(new THREE.Euler( x, y, z, order ));\n }\n\n static setScale(object3d, scale) {\n let { x, y, z } = scale;\n object3d.scale.set(x, y, z);\n }\n}\n\nexport default Transforms;\n","import { GLTFExporter } from \"three/examples/jsm/exporters/GLTFExporter\";\nimport { ColladaExporter } from \"three/examples/jsm/exporters/ColladaExporter\";\nimport { OBJExporter } from \"three/examples/jsm/exporters/OBJExporter\";\n\nfunction save(blob, filename) {\n const link = document.createElement(\"a\");\n link.style.display = \"none\";\n // document.body.appendChild( link ); // Firefox workaround, see #6594\n link.href = URL.createObjectURL(blob);\n link.download = filename;\n link.click();\n}\n\nfunction saveString(text, filename) {\n save(new Blob([text], { type: \"text/plain\" }), filename);\n}\n\nfunction saveArrayBuffer(buffer, filename) {\n save(new Blob([buffer], { type: \"application/octet-stream\" }), filename);\n}\n\nclass Exporters {\n static exportOBJ(input) {\n const objExporter = new OBJExporter();\n const result = objExporter.parse(input);\n saveString(result, \"scene.obj\");\n }\n\n static exportGLTF(input) {\n const gltfExporter = new GLTFExporter();\n gltfExporter.parse(input, function (result) {\n if (result instanceof ArrayBuffer) {\n saveArrayBuffer(result, \"scene.glb\");\n } else {\n const output = JSON.stringify(result, null, 2);\n saveString(output, \"scene.gltf\");\n }\n });\n }\n\n static exportCollada(input) {\n const exporter = new ColladaExporter();\n const result = exporter.parse(input, undefined, {\n upAxis: \"Y_UP\",\n unitName: \"millimeter\",\n unitMeter: 0.001,\n });\n saveString(result.data, \"scene.dae\");\n }\n}\n\nexport default Exporters;\n","import * as THREE from \"three\";\nimport { OBJLoader } from \"three/examples/jsm/loaders/OBJLoader\";\nimport { ColladaLoader } from \"three/examples/jsm/loaders/ColladaLoader\";\nimport { FBXLoader } from \"three/examples/jsm/loaders/FBXLoader\";\nimport { GLTFLoader } from \"three/examples/jsm/loaders/GLTFLoader\";\nimport { STLLoader } from 'three/examples/jsm/loaders/STLLoader.js';\nimport Transforms from \"../Utils/Transforms\";\nimport MaterialBuilder from \"../Builders/MaterialBuilder\";\n\nclass Loaders {\n static loadGltf(scene, url, guid, containerId) {\n const loader = new GLTFLoader();\n loader.load(url, (object) => {\n object.scene.uuid = guid;\n scene.add(object.scene);\n Loaders.callDotNet(containerId, guid);\n });\n }\n static loadFbx(scene, url, guid, containerId) {\n const loader = new FBXLoader();\n loader.load(url, (object) => {\n scene.add(object);\n object.uuid = guid;\n Loaders.callDotNet(containerId, guid);\n });\n }\n\n static loadCollada(scene, url, guid, containerId) {\n let object;\n const manager = new THREE.LoadingManager(() => {\n scene.add(object);\n object.uuid = guid;\n Loaders.callDotNet(containerId, guid);\n });\n const loader = new ColladaLoader(manager);\n loader.load(url, (obj) => {\n object = obj.scene;\n });\n }\n\n static loadOBJ(scene, objUrl, textureUrl, guid, containerId) {\n let object;\n const manager = new THREE.LoadingManager(() => {\n if (textureUrl){\n object.traverse(function (child) {\n if (child.isMesh) child.material.map = texture;\n });\n }\n scene.add(object);\n object.uuid = guid;\n Loaders.callDotNet(containerId, guid);\n });\n\n const textureLoader = new THREE.TextureLoader(manager);\n const texture = textureLoader.load(textureUrl);\n\n const loader = new OBJLoader(manager);\n loader.load(objUrl, (obj) => {\n object = obj;\n });\n return object;\n }\n\n static loadStl(scene, url, guid, containerId, materialSettings) {\n let mesh;\n const loader = new STLLoader();\n loader.load( url, function ( geometry ) {\n\n // const material = new THREE.MeshPhongMaterial( { color: 0xff5533, specular: 0x111111, shininess: 200 } );\n // const material = new THREE.MeshStandardMaterial({\n // color: 0xff5533,\n // });\n const material = MaterialBuilder.buildMaterial(materialSettings);\n mesh = new THREE.Mesh( geometry, material );\n mesh.uuid = guid;\n \n // mesh.position.set( 0, - 0.25, 0.6 );\n // mesh.rotation.set( 0, - Math.PI / 2, 0 );\n // mesh.scale.set( 0.5, 0.5, 0.5 );\n\n // mesh.castShadow = true;\n // mesh.receiveShadow = true;\n\n scene.add( mesh );\n Loaders.callDotNet(containerId, guid);\n\n } );\n }\n\n static import3DModel(scene, settings, containerId) {\n const format = settings.format;\n let objUrl = settings.fileURL;\n let textureUrl = settings.textureURL;\n let guid = settings.uuid;\n let material = settings.material;\n\n if(format == \"Obj\"){\n return Loaders.loadOBJ(scene, objUrl, textureUrl, guid, containerId);\n }\n if(format == \"Collada\"){\n return Loaders.loadCollada(scene, objUrl, guid, containerId);\n }\n if(format == \"Fbx\"){\n return Loaders.loadFbx(scene, objUrl, guid, containerId);\n }\n if(format == \"Gltf\"){\n return Loaders.loadGltf(scene, objUrl, guid, containerId);\n }\n\n if(format == \"Stl\"){\n return Loaders.loadStl(scene, objUrl, guid, containerId, material);\n }\n \n return null;\n }\n\n static importSprite(scene, settings, containerId)\n {\n let url = settings.fileURL;\n let guid = settings.uuid;\n let sprite;\n settings.material.map.textureUrl = url;\n const material = MaterialBuilder.buildMaterial(settings.material);\n sprite = new THREE.Sprite(material); \n Transforms.setPosition(sprite,settings.position);\n Transforms.setRotation(sprite, settings.rotation);\n Transforms.setScale(sprite, settings.scale);\n sprite.uuid = guid;\n sprite.name = settings.name;\n scene.add (sprite);\n Loaders.callDotNet(containerId,guid);\n }\n\n\n static callDotNet(containerId, uuid){\n DotNet.invokeMethodAsync(\n \"Blazor3D\",\n \"ReceiveLoadedObjectUUID\",\n containerId,\n uuid\n );\n }\n}\n\nexport default Loaders;\n","import * as THREE from \"three\";\nimport { OrbitControls } from \"three/examples/jsm/controls/OrbitControls\";\nimport Loaders from \"./Loaders\";\nimport Exporters from \"./Exporters\"; //todo\nimport TextBuilder from \"../Builders/TextBuilder\";\nimport SceneBuilder from \"../Builders/SceneBuilder\";\nimport CameraBuilder from \"../Builders/CameraBuilder\";\nimport Transforms from \"../Utils/Transforms\";\nimport { ViewHelper } from \"three/examples/jsm/helpers/ViewHelper\";\n\nclass Viewer3D {\n thetaX = 0;\n thetaY = 0;\n thetaZ = 0;\n mouse = new THREE.Vector2();\n raycaster = new THREE.Raycaster();\n\n INTERSECTED = null;\n clock = null;\n\n constructor(options, container) {\n this.options = options;\n this.container = container;\n this.clock = new THREE.Clock();\n\n this.scene = new THREE.Scene();\n this.setScene();\n\n this.renderer = new THREE.WebGLRenderer(\n {\n antialias: this.options.viewerSettings.webGLRendererSettings.antialias,\n premultipliedAlpha: this.options.viewerSettings.webGLRendererSettings.premultipliedAlpha,\n alpha: this.options.viewerSettings.webGLRendererSettings.alpha,\n }\n );\n\n if (this.options.viewerSettings.showViewHelper) {\n this.renderer.autoClear = false;\n };\n\n this.renderer.domElement.style.width = \"100%\";\n this.renderer.domElement.style.height = \"100%\";\n\n this.renderer.domElement.onclick = (event) => {\n if (this.options.viewerSettings.canSelect == true) {\n this.selectObject(event);\n }\n if (\n this.options.camera.animateRotationSettings\n .stopAnimationOnOrbitControlMove == true\n ) {\n this.options.camera.animateRotationSettings.animateRotation = false;\n }\n };\n\n this.container.appendChild(this.renderer.domElement);\n\n this.setCamera();\n this.setOrbitControls();\n this.onResize();\n\n const animate = () => {\n this.controls.update();\n requestAnimationFrame(animate);\n this.render();\n };\n \n animate();\n }\n\n render() {\n this.rotateCamera();\n this.animateObjects();\n\n if (this.options.viewerSettings.showViewHelper && this.viewHelper) {\n this.renderer.clear();\n }\n\n this.renderer.render(this.scene, this.camera);\n\n if (this.options.viewerSettings.showViewHelper && this.viewHelper) {\n this.viewHelper.render(this.renderer);\n }\n }\n\n onResize() {\n this.camera.aspect =\n this.container.offsetWidth / this.container.offsetHeight;\n\n if (\n this.camera.isOrthographicCamera &&\n this.options &&\n this.options.camera\n ) {\n this.camera.left = this.options.camera.left * this.camera.aspect;\n this.camera.right = this.options.camera.right * this.camera.aspect;\n }\n\n this.camera.updateProjectionMatrix();\n\n this.renderer.setSize(\n this.container.offsetWidth,\n this.container.offsetHeight,\n false // required\n );\n }\n\n setScene() {\n if (this.options.scene.backGroundColor){\n this.scene.background = new THREE.Color(this.options.scene.backGroundColor);\n }\n \n this.scene.uuid = this.options.scene.uuid;\n\n this.options.scene.children.forEach((childOptions) => {\n if (childOptions.type == \"Text\") {\n \n TextBuilder.BuildText(childOptions, this.scene);\n }\n else {\n var child = SceneBuilder.BuildChild(childOptions, this.scene);\n if (child) {\n this.scene.add(child);\n }\n }\n });\n }\n\n updateScene(sceneOptions) {\n this.clearScene();\n this.options.scene = sceneOptions;\n this.setScene();\n }\n\n setCamera() {\n this.camera = CameraBuilder.BuildCamera(\n this.options.camera,\n this.container.offsetWidth / this.container.offsetHeight\n );\n\n if (this.options.viewerSettings.showViewHelper && this.camera && this.renderer && this.renderer.domElement) {\n this.viewHelper = new ViewHelper(this.camera, this.renderer.domElement);\n }\n\n // todo: add camera children (i.e. lights)\n }\n\n updateCamera(newCamera) {\n this.options.camera = newCamera;\n this.setCamera();\n this.setOrbitControls();\n }\n\n rotateCamera() {\n let cameraAnimationSettings = this.options.camera.animateRotationSettings;\n\n if (\n !cameraAnimationSettings ||\n cameraAnimationSettings.animateRotation === false\n ){\n return;\n }\n \n let radius = cameraAnimationSettings.radius;\n\n this.thetaX = this.thetaX + cameraAnimationSettings.thetaX;\n this.thetaY = this.thetaY + cameraAnimationSettings.thetaY;\n this.thetaZ = this.thetaZ + cameraAnimationSettings.thetaZ;\n\n this.camera.position.x =\n cameraAnimationSettings.thetaX === 0\n ? this.camera.position.x\n : radius * Math.sin(THREE.MathUtils.degToRad(this.thetaX));\n this.camera.position.y =\n cameraAnimationSettings.thetaY === 0\n ? this.camera.position.y\n : radius * Math.sin(THREE.MathUtils.degToRad(this.thetaY));\n this.camera.position.z =\n cameraAnimationSettings.thetaZ === 0\n ? this.camera.position.z\n : radius * Math.cos(THREE.MathUtils.degToRad(this.thetaZ));\n let { x, y, z } = this.options.camera.lookAt;\n this.camera.lookAt(x, y, z);\n this.camera.updateMatrixWorld();\n }\n \n animateObjects(){\n const objectsToAnimate = this.options.scene.children.filter(x => x.animateObject3DSettings?.animateObject === true);\n objectsToAnimate.forEach(object3dOptions => {\n const object3d = this.scene.children.find(x => x.uuid === object3dOptions.uuid)\n const animationSettings = object3dOptions.animateObject3DSettings;\n \n if (animationSettings.points.length === animationSettings.indexPointer){\n if (animationSettings.loopAnimation === false){\n animationSettings.animateObject = false;\n return;\n }\n animationSettings.indexPointer = 0;\n object3d.position.copy(new THREE.Vector3(animationSettings.points[0].x, animationSettings.points[0].y, animationSettings.points[0].z))\n }\n \n const {x, y, z} = animationSettings.points[animationSettings.indexPointer];\n \n const target = new THREE.Vector3(x, y, z).sub(object3d.position);\n target.normalize();\n \n object3d.translateOnAxis(target, this.clock.getDelta() * animationSettings.speed);\n\n const distance = new THREE.Vector3(x, y, z).sub(object3d.position).length();\n if (distance < 0.1) {\n animationSettings.indexPointer++;\n }\n });\n }\n\n showCurrentCameraInfo() {\n console.log('Current camera info:', this.camera);\n console.log('Orbit controls info:', this.controls);\n }\n\n setOrbitControls() {\n this.controls = new OrbitControls(this.camera, this.renderer.domElement);\n this.controls.screenSpacePanning = true;\n this.controls.minDistance = this.options.orbitControls.minDistance;\n this.controls.maxDistance = this.options.orbitControls.maxDistance;\n this.controls.enablePan = this.options.orbitControls.enablePan;\n this.controls.enableDamping = this.options.orbitControls.enableDamping;\n this.controls.dampingFactor = this.options.orbitControls.dampingFactor;\n let { x, y, z } = this.options.camera.lookAt;\n this.controls.target.set(x, y, z);\n this.controls.update();\n }\n\n updateOrbitControls(newOrbitControls) {\n this.options.orbitControls = newOrbitControls;\n this.setOrbitControls();\n }\n\n import3DModel(settings) {\n return Loaders.import3DModel(\n this.scene,\n settings,\n this.options.viewerSettings.containerId\n );\n }\n\n importSprite(settings) {\n return Loaders.importSprite(\n this.scene,\n settings,\n this.options.viewerSettings.containerId\n );\n }\n\n getSceneItemByGuid(guid) {\n let item = this.scene.getObjectByProperty(\"uuid\", guid);\n\n return {\n uuid: item.uuid,\n type: item.type,\n name: item.name,\n children: item.type == \"Group\" ? this.iterateGroup(item.children) : [],\n };\n }\n\n iterateGroup(children) {\n let result = [];\n for (let i = 0; i < children.length; i++) {\n result.push({\n uuid: children[i].uuid,\n type: children[i].type,\n name: children[i].name,\n children:\n children[i].type == \"Group\"\n ? this.iterateGroup(children[i].children)\n : [],\n });\n }\n return result;\n }\n\n selectObject(event) {\n let canvas = this.renderer.domElement;\n\n this.mouse.x = (event.offsetX / canvas.clientWidth) * 2 - 1;\n this.mouse.y = -(event.offsetY / canvas.clientHeight) * 2 + 1;\n\n this.raycaster.setFromCamera(this.mouse, this.camera);\n const intersects = this.raycaster.intersectObjects(\n this.scene.children,\n true\n );\n\n if (intersects.length == 0) {\n if (this.INTERSECTED) {\n this.INTERSECTED.material.color.setHex(this.INTERSECTED.currentHex);\n }\n\n this.INTERSECTED = null;\n DotNet.invokeMethodAsync(\n \"Blazor3D\",\n \"ReceiveSelectedObjectUUID\",\n this.options.viewerSettings.containerId,\n null\n );\n return;\n }\n\n if (this.options.viewerSettings.canSelectHelpers) {\n this.processSelection(intersects[0].object);\n } else {\n let nonHelper = this.getFirstNonHelper(intersects);\n if (nonHelper) {\n this.processSelection(nonHelper);\n }\n }\n\n if (this.INTERSECTED) {\n\n DotNet.invokeMethodAsync(\n \"Blazor3D\",\n \"ReceiveSelectedObjectUUID\",\n this.options.viewerSettings.containerId,\n this.INTERSECTED.uuid\n );\n }\n }\n\n setCameraPosition(position, lookAt) {\n Transforms.setPosition(this.camera, position);\n if (lookAt != null && this.controls && this.controls.target) {\n let { x, y, z } = lookAt;\n this.camera.lookAt(x, y, z);\n this.controls.target.set(x, y, z);\n }\n }\n\n getFirstNonHelper(intersects) {\n for (let i = 0; i < intersects.length; i++) {\n if (!intersects[i].object.type.includes(\"Helper\")) {\n return intersects[i].object;\n }\n }\n return null;\n }\n\n removeByUuid(uuid) {\n let obj = this.scene.getObjectByProperty(\"uuid\", uuid);\n if (obj) {\n this.scene.remove(obj);\n return true;\n }\n return false;\n }\n\n selectByUuid(uuid) {\n let obj = this.scene.getObjectByProperty(\"uuid\", uuid);\n if (obj) {\n this.processSelection(obj)\n return true;\n }\n return false;\n }\n\n clearScene() {\n this.scene.clear();\n }\n\n processSelection(objToSelect) {\n if (this.INTERSECTED != objToSelect) {\n if (this.INTERSECTED)\n this.INTERSECTED.material.color.setHex(this.INTERSECTED.currentHex);\n\n this.INTERSECTED = objToSelect;\n this.INTERSECTED.currentHex = this.INTERSECTED.material.color.getHex();\n this.INTERSECTED.material.color.setHex(\n new THREE.Color(this.options.viewerSettings.selectedColor).getHex()\n );\n }\n }\n}\n\nexport default Viewer3D;\n","/**\n * @license\n * Copyright 2010-2022 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '143';\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst FlatShading = 1;\nconst SmoothShading = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedInt248Type = 1020;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst LinearEncoding = 3000;\nconst sRGBEncoding = 3001;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\n// Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available.\nconst NoColorSpace = '';\nconst SRGBColorSpace = 'srgb';\nconst LinearSRGBColorSpace = 'srgb-linear';\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\nconst _SRGBAFormat = 1035; // fallback for WebGL 1\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return false;\n\n\t\tconst listeners = this._listeners;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [ '00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '0a', '0b', '0c', '0d', '0e', '0f', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '1a', '1b', '1c', '1d', '1e', '1f', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '2a', '2b', '2c', '2d', '2e', '2f', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '3a', '3b', '3c', '3d', '3e', '3f', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '4a', '4b', '4c', '4d', '4e', '4f', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '5a', '5b', '5c', '5d', '5e', '5f', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '6a', '6b', '6c', '6d', '6e', '6f', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '7a', '7b', '7c', '7d', '7e', '7f', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '8a', '8b', '8c', '8d', '8e', '8f', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '9a', '9b', '9c', '9d', '9e', '9f', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'aa', 'ab', 'ac', 'ad', 'ae', 'af', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'ba', 'bb', 'bc', 'bd', 'be', 'bf', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8', 'c9', 'ca', 'cb', 'cc', 'cd', 'ce', 'cf', 'd0', 'd1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8', 'd9', 'da', 'db', 'dc', 'dd', 'de', 'df', 'e0', 'e1', 'e2', 'e3', 'e4', 'e5', 'e6', 'e7', 'e8', 'e9', 'ea', 'eb', 'ec', 'ed', 'ee', 'ef', 'f0', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'fa', 'fb', 'fc', 'fd', 'fe', 'ff' ];\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toLowerCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toLowerCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidean modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range to range \nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s;\n\n\t// Mulberry32 generator\n\n\tlet t = _seed += 0x6D2B79F5;\n\n\tt = Math.imul( t ^ t >>> 15, t | 1 );\n\n\tt ^= t + Math.imul( t ^ t >>> 7, t | 61 );\n\n\treturn ( ( t ^ t >>> 14 ) >>> 0 ) / 4294967296;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nfunction denormalize$1( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint16Array:\n\n\t\t\treturn value / 65535.0;\n\n\t\tcase Uint8Array:\n\n\t\t\treturn value / 255.0;\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.max( value / 32767.0, - 1.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.max( value / 127.0, - 1.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\nfunction normalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint16Array:\n\n\t\t\treturn Math.round( value * 65535.0 );\n\n\t\tcase Uint8Array:\n\n\t\t\treturn Math.round( value * 255.0 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.round( value * 32767.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.round( value * 127.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\nvar MathUtils = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler,\n\tnormalize: normalize,\n\tdenormalize: denormalize$1\n});\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tVector2.prototype.isVector2 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\nclass Matrix3 {\n\n\tconstructor() {\n\n\t\tMatrix3.prototype.isMatrix3 = true;\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tscale( sx, sy ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx;\n\t\tte[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy;\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tconst te = this.elements;\n\n\t\tconst a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ];\n\t\tconst a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ];\n\n\t\tte[ 0 ] = c * a11 + s * a21;\n\t\tte[ 3 ] = c * a12 + s * a22;\n\t\tte[ 6 ] = c * a13 + s * a23;\n\n\t\tte[ 1 ] = - s * a11 + c * a21;\n\t\tte[ 4 ] = - s * a12 + c * a22;\n\t\tte[ 7 ] = - s * a13 + c * a23;\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ];\n\t\tte[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nfunction arrayNeedsUint32( array ) {\n\n\t// assumes larger values usually on last\n\n\tfor ( let i = array.length - 1; i >= 0; -- i ) {\n\n\t\tif ( array[ i ] > 65535 ) return true;\n\n\t}\n\n\treturn false;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\n// JavaScript RGB-to-RGB transforms, defined as\n// FN[InputColorSpace][OutputColorSpace] callback functions.\nconst FN = {\n\t[ SRGBColorSpace ]: { [ LinearSRGBColorSpace ]: SRGBToLinear },\n\t[ LinearSRGBColorSpace ]: { [ SRGBColorSpace ]: LinearToSRGB },\n};\n\nconst ColorManagement = {\n\n\tlegacyMode: true,\n\n\tget workingColorSpace() {\n\n\t\treturn LinearSRGBColorSpace;\n\n\t},\n\n\tset workingColorSpace( colorSpace ) {\n\n\t\tconsole.warn( 'THREE.ColorManagement: .workingColorSpace is readonly.' );\n\n\t},\n\n\tconvert: function ( color, sourceColorSpace, targetColorSpace ) {\n\n\t\tif ( this.legacyMode || sourceColorSpace === targetColorSpace || ! sourceColorSpace || ! targetColorSpace ) {\n\n\t\t\treturn color;\n\n\t\t}\n\n\t\tif ( FN[ sourceColorSpace ] && FN[ sourceColorSpace ][ targetColorSpace ] !== undefined ) {\n\n\t\t\tconst fn = FN[ sourceColorSpace ][ targetColorSpace ];\n\n\t\t\tcolor.r = fn( color.r );\n\t\t\tcolor.g = fn( color.g );\n\t\t\tcolor.b = fn( color.b );\n\n\t\t\treturn color;\n\n\t\t}\n\n\t\tthrow new Error( 'Unsupported color space conversion.' );\n\n\t},\n\n\tfromWorkingColorSpace: function ( color, targetColorSpace ) {\n\n\t\treturn this.convert( color, this.workingColorSpace, targetColorSpace );\n\n\t},\n\n\ttoWorkingColorSpace: function ( color, sourceColorSpace ) {\n\n\t\treturn this.convert( color, sourceColorSpace, this.workingColorSpace );\n\n\t},\n\n};\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _rgb = { r: 0, g: 0, b: 0 };\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nfunction toComponents( source, target ) {\n\n\ttarget.r = source.r;\n\ttarget.g = source.g;\n\ttarget.b = source.b;\n\n\treturn target;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tthis.isColor = true;\n\n\t\tthis.r = 1;\n\t\tthis.g = 1;\n\t\tthis.b = 1;\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tset( value ) {\n\n\t\tif ( value && value.isColor ) {\n\n\t\t\tthis.copy( value );\n\n\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\tthis.setHex( value );\n\n\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\tthis.setStyle( value );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex, colorSpace = SRGBColorSpace ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b, colorSpace = LinearSRGBColorSpace ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l, colorSpace = LinearSRGBColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style, colorSpace = SRGBColorSpace ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^((?:rgb|hsl)a?)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\tconst h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\tconst s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\tconst l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL( h, s, l, colorSpace );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\t\t\treturn this;\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style, colorSpace );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style, colorSpace = SRGBColorSpace ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex, colorSpace );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( toComponents( this, _rgb ), colorSpace );\n\n\t\treturn clamp( _rgb.r * 255, 0, 255 ) << 16 ^ clamp( _rgb.g * 255, 0, 255 ) << 8 ^ clamp( _rgb.b * 255, 0, 255 ) << 0;\n\n\t}\n\n\tgetHexString( colorSpace = SRGBColorSpace ) {\n\n\t\treturn ( '000000' + this.getHex( colorSpace ).toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target, colorSpace = LinearSRGBColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tColorManagement.fromWorkingColorSpace( toComponents( this, _rgb ), colorSpace );\n\n\t\tconst r = _rgb.r, g = _rgb.g, b = _rgb.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetRGB( target, colorSpace = LinearSRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( toComponents( this, _rgb ), colorSpace );\n\n\t\ttarget.r = _rgb.r;\n\t\ttarget.g = _rgb.g;\n\t\ttarget.b = _rgb.b;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( toComponents( this, _rgb ), colorSpace );\n\n\t\tif ( colorSpace !== SRGBColorSpace ) {\n\n\t\t\t// Requires CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/).\n\t\t\treturn `color(${ colorSpace } ${ _rgb.r } ${ _rgb.g } ${ _rgb.b })`;\n\n\t\t}\n\n\t\treturn `rgb(${( _rgb.r * 255 ) | 0},${( _rgb.g * 255 ) | 0},${( _rgb.b * 255 ) | 0})`;\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\t_hslA.h += h; _hslA.s += s; _hslA.l += l;\n\n\t\tthis.setHSL( _hslA.h, _hslA.s, _hslA.l );\n\n\t\treturn this;\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\tif ( attribute.normalized === true ) {\n\n\t\t\t// assuming Uint8Array\n\n\t\t\tthis.r /= 255;\n\t\t\tthis.g /= 255;\n\t\t\tthis.b /= 255;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.r;\n\t\tyield this.g;\n\t\tyield this.b;\n\n\t}\n\n}\n\nColor.NAMES = _colorKeywords;\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement == 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons', image );\n\n\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t} else {\n\n\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t}\n\n\t}\n\n\tstatic sRGBToLinear( image ) {\n\n\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\tconst canvas = createElementNS( 'canvas' );\n\n\t\t\tcanvas.width = image.width;\n\t\t\tcanvas.height = image.height;\n\n\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\tconst imageData = context.getImageData( 0, 0, image.width, image.height );\n\t\t\tconst data = imageData.data;\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] / 255 ) * 255;\n\n\t\t\t}\n\n\t\t\tcontext.putImageData( imageData, 0, 0 );\n\n\t\t\treturn canvas;\n\n\t\t} else if ( image.data ) {\n\n\t\t\tconst data = image.data.slice( 0 );\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tif ( data instanceof Uint8Array || data instanceof Uint8ClampedArray ) {\n\n\t\t\t\t\tdata[ i ] = Math.floor( SRGBToLinear( data[ i ] / 255 ) * 255 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assuming float\n\n\t\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tdata: data,\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.' );\n\t\t\treturn image;\n\n\t\t}\n\n\t}\n\n}\n\nclass Source {\n\n\tconstructor( data = null ) {\n\n\t\tthis.isSource = true;\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.data = data;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.images[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\t\t\tuuid: this.uuid,\n\t\t\turl: ''\n\t\t};\n\n\t\tconst data = this.data;\n\n\t\tif ( data !== null ) {\n\n\t\t\tlet url;\n\n\t\t\tif ( Array.isArray( data ) ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\turl = [];\n\n\t\t\t\tfor ( let i = 0, l = data.length; i < l; i ++ ) {\n\n\t\t\t\t\tif ( data[ i ].isDataTexture ) {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ].image ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// texture\n\n\t\t\t\turl = serializeImage( data );\n\n\t\t\t}\n\n\t\t\toutput.url = url;\n\n\t\t}\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.images[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n}\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.from( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nlet textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = 1, encoding = LinearEncoding ) {\n\n\t\tsuper();\n\n\t\tthis.isTexture = true;\n\n\t\tObject.defineProperty( this, 'id', { value: textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.source = new Source( image );\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.isRenderTargetTexture = false; // indicates whether a texture belongs to a render target or not\n\t\tthis.needsPMREMUpdate = false; // indicates whether this texture should be processed by PMREMGenerator or not (only relevant for render target textures)\n\n\t}\n\n\tget image() {\n\n\t\treturn this.source.data;\n\n\t}\n\n\tset image( value ) {\n\n\t\tthis.source.data = value;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.source = source.source;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.encoding = source.encoding;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tthis.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\timage: this.source.toJSON( meta ).uuid,\n\n\t\t\tmapping: this.mapping,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\ttype: this.type,\n\t\t\tencoding: this.encoding,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.version ++;\n\t\t\tthis.source.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = null;\nTexture.DEFAULT_MAPPING = UVMapping;\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tVector4.prototype.isVector4 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\t\tthis.w = Math.max( minVal, Math.min( maxVal, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass WebGLRenderTarget extends EventDispatcher {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.isWebGLRenderTarget = true;\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tconst image = { width: width, height: height, depth: 1 };\n\n\t\tthis.texture = new Texture( image, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.flipY = false;\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.internalFormat = options.internalFormat !== undefined ? options.internalFormat : null;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : false;\n\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t\tthis.samples = options.samples !== undefined ? options.samples : 0;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tthis.texture.image.width = width;\n\t\t\tthis.texture.image.height = height;\n\t\t\tthis.texture.image.depth = depth;\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.texture = source.texture.clone();\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\t// ensure image object is not shared, see #20328\n\n\t\tconst image = Object.assign( {}, source.texture.image );\n\t\tthis.texture.source = new Source( image );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\n\t\tif ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone();\n\n\t\tthis.samples = source.samples;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nclass DataArrayTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.isDataArrayTexture = true;\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nclass WebGLArrayRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width, height, depth ) {\n\n\t\tsuper( width, height );\n\n\t\tthis.isWebGLArrayRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new DataArrayTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Data3DTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in DataTexture3D directly.\n\t\t//\n\t\t//\tconst texture = new THREE.DataTexture3D( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.isData3DTexture = true;\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nclass WebGL3DRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width, height, depth ) {\n\n\t\tsuper( width, height );\n\n\t\tthis.isWebGL3DRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass WebGLMultipleRenderTargets extends WebGLRenderTarget {\n\n\tconstructor( width, height, count, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGLMultipleRenderTargets = true;\n\n\t\tconst texture = this.texture;\n\n\t\tthis.texture = [];\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.texture[ i ] = texture.clone();\n\t\t\tthis.texture[ i ].isRenderTargetTexture = true;\n\n\t\t}\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.texture.length; i < il; i ++ ) {\n\n\t\t\t\tthis.texture[ i ].image.width = width;\n\t\t\t\tthis.texture[ i ].image.height = height;\n\t\t\t\tthis.texture[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.dispose();\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.set( 0, 0, this.width, this.height );\n\t\tthis.scissor.set( 0, 0, this.width, this.height );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\n\t\tif ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone();\n\n\t\tthis.texture.length = 0;\n\n\t\tfor ( let i = 0, il = source.texture.length; i < il; i ++ ) {\n\n\t\t\tthis.texture[ i ] = source.texture[ i ].clone();\n\t\t\tthis.texture[ i ].isRenderTargetTexture = true;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.isQuaternion = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update !== false ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize();\n\t\t\tthis._onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\treturn this.copy( qa ).slerp( qb, t );\n\n\t}\n\n\trandom() {\n\n\t\t// Derived from http://planning.cs.uiuc.edu/node198.html\n\t\t// Note, this source uses w, x, y, z ordering,\n\t\t// so we swap the order below.\n\n\t\tconst u1 = Math.random();\n\t\tconst sqrt1u1 = Math.sqrt( 1 - u1 );\n\t\tconst sqrtu1 = Math.sqrt( u1 );\n\n\t\tconst u2 = 2 * Math.PI * Math.random();\n\n\t\tconst u3 = 2 * Math.PI * Math.random();\n\n\t\treturn this.set(\n\t\t\tsqrt1u1 * Math.cos( u2 ),\n\t\t\tsqrtu1 * Math.sin( u3 ),\n\t\t\tsqrtu1 * Math.cos( u3 ),\n\t\t\tsqrt1u1 * Math.sin( u2 ),\n\t\t);\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._w;\n\n\t}\n\n}\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tVector3.prototype.isVector3 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// calculate quat * vector\n\n\t\tconst ix = qw * x + qy * z - qz * y;\n\t\tconst iy = qw * y + qz * x - qx * z;\n\t\tconst iz = qw * z + qx * y - qy * x;\n\t\tconst iw = - qx * x - qy * y - qz * z;\n\n\t\t// calculate result * inverse quat\n\n\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tsetFromEuler( e ) {\n\n\t\tthis.x = e._x;\n\t\tthis.y = e._y;\n\t\tthis.z = e._z;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\trandomDirection() {\n\n\t\t// Derived from https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst u = ( Math.random() - 0.5 ) * 2;\n\t\tconst t = Math.random() * Math.PI * 2;\n\t\tconst f = Math.sqrt( 1 - u ** 2 );\n\n\t\tthis.x = f * Math.cos( t );\n\t\tthis.y = f * Math.sin( t );\n\t\tthis.z = u;\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.isBox3 = true;\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\tconst x = array[ i ];\n\t\t\tconst y = array[ i + 1 ];\n\t\t\tconst z = array[ i + 2 ];\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = attribute.count; i < l; i ++ ) {\n\n\t\t\tconst x = attribute.getX( i );\n\t\t\tconst y = attribute.getY( i );\n\t\t\tconst z = attribute.getZ( i );\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object, precise = false ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object, precise );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object, precise = false ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tif ( precise && geometry.attributes != undefined && geometry.attributes.position !== undefined ) {\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tfor ( let i = 0, l = position.count; i < l; i ++ ) {\n\n\t\t\t\t\t_vector$b.fromBufferAttribute( position, i ).applyMatrix4( object.matrixWorld );\n\t\t\t\t\tthis.expandByPoint( _vector$b );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t\t}\n\n\t\t\t\t_box$3.copy( geometry.boundingBox );\n\t\t\t\t_box$3.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tthis.union( _box$3 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ], precise );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ||\n\t\t\tpoint.z < this.min.z || point.z > this.max.z ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\tbox.max.z < this.min.z || box.min.z > this.max.z ? false : true;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$3.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$3, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$3 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$b.copy( point ).clamp( this.min, this.max );\n\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tthis.getCenter( target.center );\n\n\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$3 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the separating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the separating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is separating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _toFarthestPoint = /*@__PURE__*/ new Vector3();\nconst _toPoint = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$2.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671\n\n\t\t_toPoint.subVectors( point, this.center );\n\n\t\tconst lengthSq = _toPoint.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\t\t\tconst missingRadiusHalf = ( length - this.radius ) * 0.5;\n\n\t\t\t// Nudge this sphere towards the target point. Add half the missing distance to radius,\n\t\t\t// and the other half to position. This gives a tighter enclosure, instead of if\n\t\t\t// the whole missing distance were just added to radius.\n\n\t\t\tthis.center.add( _toPoint.multiplyScalar( missingRadiusHalf / length ) );\n\t\t\tthis.radius += missingRadiusHalf;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769\n\n\t\t// To enclose another sphere into this sphere, we only need to enclose two points:\n\t\t// 1) Enclose the farthest point on the other sphere into this sphere.\n\t\t// 2) Enclose the opposite point of the farthest point into this sphere.\n\n\t\t if ( this.center.equals( sphere.center ) === true ) {\n\n\t\t\t _toFarthestPoint.set( 0, 0, 1 ).multiplyScalar( sphere.radius );\n\n\n\t\t} else {\n\n\t\t\t_toFarthestPoint.subVectors( sphere.center, this.center ).normalize().multiplyScalar( sphere.radius );\n\n\t\t}\n\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _toFarthestPoint ) );\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _toFarthestPoint ) );\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor() {\n\n\t\tMatrix4.prototype.isMatrix4 = true;\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, x,\n\t\t\t0, 1, 0, y,\n\t\t\t0, 0, 1, z,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\t\tconst c = - ( far + near ) / ( far - near );\n\t\tconst d = - 2 * far * near / ( far - near );\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\t\tconst z = ( far + near ) * p;\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DefaultOrder ) {\n\n\t\tthis.isEuler = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$1.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$1, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._order;\n\n\t}\n\n\t// @deprecated since r138, 02cf0df1cb4575d5842fef9c85bb5a89fe020d53\n\n\ttoVector3() {\n\n\t\tconsole.error( 'THREE.Euler: .toVector3() has been removed. Use Vector3.setFromEuler() instead' );\n\n\t}\n\n}\n\nEuler.DefaultOrder = 'XYZ';\nEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = ( 1 << channel | 0 ) >>> 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\tisEnabled( channel ) {\n\n\t\treturn ( this.mask & ( 1 << channel | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isObject3D = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\tobject.parent.remove( object );\n\n\t\t\t}\n\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\tconst object = this.children[ i ];\n\n\t\t\tobject.parent = null;\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\tthis.children.length = 0;\n\n\t\treturn this;\n\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tthis.add( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast( /* raycaster, intersects */ ) {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// update children\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.parent === null ) {\n\n\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t} else {\n\n\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t}\n\n\t\t// update children\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {},\n\t\t\t\tnodes: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\t\t\tconst nodes = extractFromCache( meta.nodes );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\t\t\tif ( nodes.length > 0 ) output.nodes = nodes;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DefaultUp = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nObject3D.DefaultMatrixAutoUpdate = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$1 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\t// arbitrary location outside of triangle?\n\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\treturn target.set( - 2, - 1, - 1 );\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\tthis.getBarycoord( point, a, b, c, _v3$1 );\n\n\t\treturn ( _v3$1.x >= 0 ) && ( _v3$1.y >= 0 ) && ( ( _v3$1.x + _v3$1.y ) <= 1 );\n\n\t}\n\n\tstatic getUV( point, p1, p2, p3, uv1, uv2, uv3, target ) {\n\n\t\tthis.getBarycoord( point, p1, p2, p3, _v3$1 );\n\n\t\ttarget.set( 0, 0 );\n\t\ttarget.addScaledVector( uv1, _v3$1.x );\n\t\ttarget.addScaledVector( uv2, _v3$1.y );\n\t\ttarget.addScaledVector( uv3, _v3$1.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetUV( point, uv1, uv2, uv3, target ) {\n\n\t\treturn Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nlet materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isMaterial = true;\n\n\t\tObject.defineProperty( this, 'id', { value: materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Material: \\'' + key + '\\' parameter is undefined.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// for backward compatibility if shading is set in the constructor\n\t\t\tif ( key === 'shading' ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\t\tthis.flatShading = ( newValue === FlatShading ) ? true : false;\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': \\'' + key + '\\' is not a property of this material.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRootObject ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.iridescence !== undefined ) data.iridescence = this.iridescence;\n\t\tif ( this.iridescenceIOR !== undefined ) data.iridescenceIOR = this.iridescenceIOR;\n\t\tif ( this.iridescenceThicknessRange !== undefined ) data.iridescenceThicknessRange = this.iridescenceThicknessRange;\n\n\t\tif ( this.iridescenceMap && this.iridescenceMap.isTexture ) {\n\n\t\t\tdata.iridescenceMap = this.iridescenceMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture ) {\n\n\t\t\tdata.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\tdata.depthFunc = this.depthFunc;\n\t\tdata.depthTest = this.depthTest;\n\t\tdata.depthWrite = this.depthWrite;\n\t\tdata.colorWrite = this.colorWrite;\n\n\t\tdata.stencilWrite = this.stencilWrite;\n\t\tdata.stencilWriteMask = this.stencilWriteMask;\n\t\tdata.stencilFunc = this.stencilFunc;\n\t\tdata.stencilRef = this.stencilRef;\n\t\tdata.stencilFuncMask = this.stencilFuncMask;\n\t\tdata.stencilFail = this.stencilFail;\n\t\tdata.stencilZFail = this.stencilZFail;\n\t\tdata.stencilZPass = this.stencilZPass;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth !== undefined && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = this.alphaToCoverage;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\n\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = this.flatShading;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( this.fog === false ) data.fog = false;\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshBasicMaterial = true;\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.isBufferAttribute = true;\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tcopyColorsArray( colors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\tlet color = colors[ i ];\n\n\t\t\tif ( color === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\tcolor = new Color();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = color.r;\n\t\t\tarray[ offset ++ ] = color.g;\n\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector2sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector2();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector3sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector3();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector4sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector4();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.array[ index * this.itemSize ];\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.from( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\t\tif ( this.updateRange.offset !== 0 || this.updateRange.count !== - 1 ) data.updateRange = this.updateRange;\n\n\t\treturn data;\n\n\t}\n\n}\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t\tthis.isFloat16BufferAttribute = true;\n\n\t}\n\n}\n\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float64BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float64Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id$1 = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isBufferGeometry = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id$1 ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayNeedsUint32( index ) ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst position = [];\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tconst point = points[ i ];\n\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t}\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$1.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$1.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$1.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$1.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst indices = index.array;\n\t\tconst positions = attributes.position.array;\n\t\tconst normals = attributes.normal.array;\n\t\tconst uvs = attributes.uv.array;\n\n\t\tconst nVertices = positions.length / 3;\n\n\t\tif ( this.hasAttribute( 'tangent' ) === false ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * nVertices ), 4 ) );\n\n\t\t}\n\n\t\tconst tangents = this.getAttribute( 'tangent' ).array;\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < nVertices; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: indices.length\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindices[ j + 0 ],\n\t\t\t\t\tindices[ j + 1 ],\n\t\t\t\t\tindices[ j + 2 ]\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromArray( normals, v * 3 );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangents[ v * 4 ] = tmp.x;\n\t\t\ttangents[ v * 4 + 1 ] = tmp.y;\n\t\t\ttangents[ v * 4 + 2 ] = tmp.z;\n\t\t\ttangents[ v * 4 + 3 ] = w;\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( indices[ j + 0 ] );\n\t\t\t\thandleVertex( indices[ j + 1 ] );\n\t\t\t\thandleVertex( indices[ j + 2 ] );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tmerge( geometry, offset ) {\n\n\t\tif ( ! ( geometry && geometry.isBufferGeometry ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( offset === undefined ) {\n\n\t\t\toffset = 0;\n\n\t\t\tconsole.warn(\n\t\t\t\t'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. '\n\t\t\t\t+ 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.'\n\t\t\t);\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\tconst attribute1 = attributes[ key ];\n\t\t\tconst attributeArray1 = attribute1.array;\n\n\t\t\tconst attribute2 = geometry.attributes[ key ];\n\t\t\tconst attributeArray2 = attribute2.array;\n\n\t\t\tconst attributeOffset = attribute2.itemSize * offset;\n\t\t\tconst length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset );\n\n\t\t\tfor ( let i = 0, j = attributeOffset; i < length; i ++, j ++ ) {\n\n\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\t return new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\t// geometry generator parameters\n\n\t\tif ( source.parameters !== undefined ) this.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _tempB = /*@__PURE__*/ new Vector3();\nconst _tempC = /*@__PURE__*/ new Vector3();\n\nconst _morphA = /*@__PURE__*/ new Vector3();\nconst _morphB = /*@__PURE__*/ new Vector3();\nconst _morphC = /*@__PURE__*/ new Vector3();\n\nconst _uvA$1 = /*@__PURE__*/ new Vector2();\nconst _uvB$1 = /*@__PURE__*/ new Vector2();\nconst _uvC$1 = /*@__PURE__*/ new Vector2();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isMesh = true;\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$3.copy( geometry.boundingSphere );\n\t\t_sphere$3.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// Check boundingBox before continuing\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\tlet intersection;\n\n\t\tconst index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\t\tconst uv = geometry.attributes.uv;\n\t\tconst uv2 = geometry.attributes.uv2;\n\t\tconst groups = geometry.groups;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\tif ( index !== null ) {\n\n\t\t\t// indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( position !== undefined ) {\n\n\t\t\t// non-indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = i;\n\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ) {\n\n\t_vA$1.fromBufferAttribute( position, a );\n\t_vB$1.fromBufferAttribute( position, b );\n\t_vC$1.fromBufferAttribute( position, c );\n\n\tconst morphInfluences = object.morphTargetInfluences;\n\n\tif ( morphPosition && morphInfluences ) {\n\n\t\t_morphA.set( 0, 0, 0 );\n\t\t_morphB.set( 0, 0, 0 );\n\t\t_morphC.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\tconst influence = morphInfluences[ i ];\n\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t_tempA.fromBufferAttribute( morphAttribute, a );\n\t\t\t_tempB.fromBufferAttribute( morphAttribute, b );\n\t\t\t_tempC.fromBufferAttribute( morphAttribute, c );\n\n\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\t\t\t\t_morphB.addScaledVector( _tempB, influence );\n\t\t\t\t_morphC.addScaledVector( _tempC, influence );\n\n\t\t\t} else {\n\n\t\t\t\t_morphA.addScaledVector( _tempA.sub( _vA$1 ), influence );\n\t\t\t\t_morphB.addScaledVector( _tempB.sub( _vB$1 ), influence );\n\t\t\t\t_morphC.addScaledVector( _tempC.sub( _vC$1 ), influence );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_vA$1.add( _morphA );\n\t\t_vB$1.add( _morphB );\n\t\t_vC$1.add( _morphC );\n\n\t}\n\n\tif ( object.isSkinnedMesh ) {\n\n\t\tobject.boneTransform( a, _vA$1 );\n\t\tobject.boneTransform( b, _vB$1 );\n\t\tobject.boneTransform( c, _vC$1 );\n\n\t}\n\n\tconst intersection = checkIntersection( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tif ( uv ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv, c );\n\n\t\t\tintersection.uv = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv2 ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv2, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv2, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv2, c );\n\n\t\t\tintersection.uv2 = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\nfunction cloneUniformsGroups( src ) {\n\n\tconst dst = [];\n\n\tfor ( let u = 0; u < src.length; u ++ ) {\n\n\t\tdst.push( src[ u ].clone() );\n\n\t}\n\n\treturn dst;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isShaderMaterial = true;\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\t\tthis.uniformsGroups = [];\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\t\tthis.uniformsGroups = cloneUniformsGroups( source.uniformsGroups );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.fog = source.fog;\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isCamera = true;\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.isPerspectiveCamera = true;\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t * +---+---+---+\n\t * | A | B | C |\n\t * +---+---+---+\n\t * | D | E | F |\n\t * +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t * const w = 1920;\n\t * const h = 1080;\n\t * const fullWidth = w * 3;\n\t * const fullHeight = h * 2;\n\t *\n\t * --A--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t * --B--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t * --C--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t * --D--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t * --E--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t * --F--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t * Note there is no reason monitors have to be the same size or in a grid.\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst fov = 90, aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget !== true ) {\n\n\t\t\tconsole.error( 'THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.renderTarget = renderTarget;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst renderTarget = this.renderTarget;\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tconst currentToneMapping = renderer.toneMapping;\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0 );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1 );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2 );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3 );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4 );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5 );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\trenderer.toneMapping = currentToneMapping;\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t\trenderTarget.texture.needsPMREMUpdate = true;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.isCubeTexture = true;\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size, options = {} ) {\n\n\t\tsuper( size, size, options );\n\n\t\tthis.isWebGLCubeRenderTarget = true;\n\n\t\tconst image = { width: size, height: size, depth: 1 };\n\t\tconst images = [ image, image, image, image, image, image ];\n\n\t\tthis.texture = new CubeTexture( images, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.encoding = texture.encoding;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\tthis.isPlane = true;\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$2.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$2.center.set( 0, 0, 0 );\n\t\t_sphere$2.radius = 0.7071067811865476;\n\t\t_sphere$2.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$7 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = 5126;\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\ttype = 5131;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\ttype = 5123;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = 5122;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = 5125;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = 5124;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = 5120;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = 5121;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = 5121;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.WebGLAttributes: Unsupported buffer data format: ' + array );\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRange = attribute.updateRange;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRange.count === - 1 ) {\n\n\t\t\t// Not using update ranges\n\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, updateRange.offset, updateRange.count );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray.subarray( updateRange.offset, updateRange.offset + updateRange.count ) );\n\n\t\t\t}\n\n\t\t\tupdateRange.count = - 1; // reset range\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\\n float x2 = x * x;\\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( V * D );\\n}\\n#ifdef USE_IRIDESCENCE\\n\\tvec3 BRDF_GGX_Iridescence( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float iridescence, const in vec3 iridescenceFresnel, const in float roughness ) {\\n\\t\\tfloat alpha = pow2( roughness );\\n\\t\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\t\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\t\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\t\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\t\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\t\\tvec3 F = mix( F_Schlick( f0, f90, dotVH ), iridescenceFresnel, iridescence );\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t\\treturn F * ( V * D );\\n\\t}\\n#endif\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\";\n\nvar iridescence_fragment = \"#ifdef USE_IRIDESCENCE\\n\\tconst mat3 XYZ_TO_REC709 = mat3(\\n\\t\\t 3.2404542, -0.9692660, 0.0556434,\\n\\t\\t-1.5371385, 1.8760108, -0.2040259,\\n\\t\\t-0.4985314, 0.0415560, 1.0572252\\n\\t);\\n\\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\\n\\t\\tvec3 sqrtF0 = sqrt( fresnel0 );\\n\\t\\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\\n\\t}\\n\\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\\n\\t}\\n\\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\\n\\t}\\n\\tvec3 evalSensitivity( float OPD, vec3 shift ) {\\n\\t\\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\\n\\t\\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\\n\\t\\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\\n\\t\\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\\n\\t\\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\\n\\t\\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\\n\\t\\txyz /= 1.0685e-7;\\n\\t\\tvec3 rgb = XYZ_TO_REC709 * xyz;\\n\\t\\treturn rgb;\\n\\t}\\n\\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\\n\\t\\tvec3 I;\\n\\t\\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\\n\\t\\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\\n\\t\\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\\n\\t\\tif ( cosTheta2Sq < 0.0 ) {\\n\\t\\t\\t return vec3( 1.0 );\\n\\t\\t}\\n\\t\\tfloat cosTheta2 = sqrt( cosTheta2Sq );\\n\\t\\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\\n\\t\\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\\n\\t\\tfloat R21 = R12;\\n\\t\\tfloat T121 = 1.0 - R12;\\n\\t\\tfloat phi12 = 0.0;\\n\\t\\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\\n\\t\\tfloat phi21 = PI - phi12;\\n\\t\\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\\t\\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\\n\\t\\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\\n\\t\\tvec3 phi23 = vec3( 0.0 );\\n\\t\\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\\n\\t\\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\\n\\t\\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\\n\\t\\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\\n\\t\\tvec3 phi = vec3( phi21 ) + phi23;\\n\\t\\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\\n\\t\\tvec3 r123 = sqrt( R123 );\\n\\t\\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\\n\\t\\tvec3 C0 = R12 + Rs;\\n\\t\\tI = C0;\\n\\t\\tvec3 Cm = Rs - T121;\\n\\t\\tfor ( int m = 1; m <= 2; ++ m ) {\\n\\t\\t\\tCm *= r123;\\n\\t\\t\\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\\n\\t\\t\\tI += Cm * Sm;\\n\\t\\t}\\n\\t\\treturn max( I, vec3( 0.0 ) );\\n\\t}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = dFdx( surf_pos.xyz );\\n\\t\\tvec3 vSigmaY = dFdy( surf_pos.xyz );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\tplane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\tif ( clipped ) discard;\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nvec3 pow2( const in vec3 x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal;\\n#endif\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nfloat luminance( const in vec3 rgb ) {\\n\\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\\n\\treturn dot( weights, rgb );\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\tvec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\\n\\t\\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\\n\\t\\tuv.x *= CUBEUV_TEXEL_WIDTH;\\n\\t\\tuv.y *= CUBEUV_TEXEL_HEIGHT;\\n\\t\\t#ifdef texture2DGradEXT\\n\\t\\t\\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( envMap, uv ).rgb;\\n\\t\\t#endif\\n\\t}\\n\\t#define r0 1.0\\n\\t#define v0 0.339\\n\\t#define m0 - 2.0\\n\\t#define r1 0.8\\n\\t#define v1 0.276\\n\\t#define m1 - 1.0\\n\\t#define r4 0.4\\n\\t#define v4 0.046\\n\\t#define m4 2.0\\n\\t#define r5 0.305\\n\\t#define v5 0.016\\n\\t#define m5 3.0\\n\\t#define r6 0.21\\n\\t#define v6 0.0038\\n\\t#define m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= r1 ) {\\n\\t\\t\\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\\n\\t\\t} else if ( roughness >= r4 ) {\\n\\t\\t\\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\\n\\t\\t} else if ( roughness >= r5 ) {\\n\\t\\t\\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\\n\\t\\t} else if ( roughness >= r6 ) {\\n\\t\\t\\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), m0, CUBEUV_MAX_MIP );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_INSTANCING\\n\\tmat3 m = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\\n\\ttransformedNormal = m * transformedNormal;\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar encodings_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar encodings_pars_fragment = \"vec4 LinearToLinear( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn vec3( texture2D( gradientMap, coord ).r );\\n\\t#else\\n\\t\\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\\n\\t#endif\\n}\";\n\nvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\\n\\treflectedLight.indirectDiffuse += lightMapIrradiance;\\n#endif\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\nvIndirectFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n\\tvIndirectBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\\n#ifdef DOUBLE_SIDED\\n\\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\\n\\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\nuniform vec3 lightProbe[ 9 ];\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t}\\n\\t\\treturn distanceFalloff;\\n\\t#else\\n\\t\\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\\n\\t\\t\\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t#endif\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#if defined( USE_ENVMAP )\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 reflectVec = reflect( - viewDir, normal );\\n\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\t#ifdef SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\t\\tspecularColorFactor *= texture2D( specularColorMap, vUv ).rgb;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tmaterial.iridescence = iridescence;\\n\\tmaterial.iridescenceIOR = iridescenceIOR;\\n\\t#ifdef USE_IRIDESCENCEMAP\\n\\t\\tmaterial.iridescence *= texture2D( iridescenceMap, vUv ).r;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\t\\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vUv ).g + iridescenceThicknessMinimum;\\n\\t#else\\n\\t\\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\\n\\t#endif\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tmaterial.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\\n\\t#endif\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tfloat iridescence;\\n\\t\\tfloat iridescenceIOR;\\n\\t\\tfloat iridescenceThickness;\\n\\t\\tvec3 iridescenceFresnel;\\n\\t\\tvec3 iridescenceF0;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n};\\nvec3 clearcoatSpecular = vec3( 0.0 );\\nvec3 sheenSpecular = vec3( 0.0 );\\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat r2 = roughness * roughness;\\n\\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\\n\\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\\n\\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\\n\\treturn saturate( DG * RECIPROCAL_PI );\\n}\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\n#ifdef USE_IRIDESCENCE\\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#else\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#endif\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\\n\\t#else\\n\\t\\tvec3 Fr = specularColor;\\n\\t#endif\\n\\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometry.normal;\\n\\t\\tvec3 viewDir = geometry.viewDir;\\n\\t\\tvec3 position = geometry.position;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3( 0, 1, 0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\treflectedLight.directSpecular += irradiance * BRDF_GGX_Iridescence( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness );\\n\\t#else\\n\\t\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tcomputeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\\n\\t#else\\n\\t\\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\t#endif\\n\\tvec3 totalScattering = singleScattering + multiScattering;\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\n#ifdef USE_CLEARCOAT\\n\\tgeometry.clearcoatNormal = clearcoatNormal;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\\n\\tif ( material.iridescenceThickness == 0.0 ) {\\n\\t\\tmaterial.iridescence = 0.0;\\n\\t} else {\\n\\t\\tmaterial.iridescence = saturate( material.iridescence );\\n\\t}\\n\\tif ( material.iridescence > 0.0 ) {\\n\\t\\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\\n\\t\\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\\n\\t}\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometry.normal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t\\tvarying float vIsPerspective;\\n\\t#else\\n\\t\\tuniform float logDepthBufFC;\\n\\t#endif\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n\\t#else\\n\\t\\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\\n\\t\\t\\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\\n\\t\\t\\tgl_Position.z *= gl_Position.w;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 sampledDiffuseColor = texture2D( map, vUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\\n\\t#endif\\n\\tdiffuseColor *= sampledDiffuseColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tdiffuseColor *= texture2D( map, uv );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tuniform mat3 uvTransform;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphcolor_vertex = \"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\\n\\tvColor *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t#if defined( USE_COLOR_ALPHA )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t#elif defined( USE_COLOR )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\\n\\t\\t}\\n\\t#else\\n\\t\\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\\n\\t\\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\\n\\t\\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\\n\\t\\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\\n\\t#endif\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\tuniform float morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t\\tuniform sampler2DArray morphTargetsTexture;\\n\\t\\tuniform ivec2 morphTargetsTextureSize;\\n\\t\\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\\n\\t\\t\\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\\n\\t\\t\\tint y = texelIndex / morphTargetsTextureSize.x;\\n\\t\\t\\tint x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\t\\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\\n\\t\\t\\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\\n\\t\\t}\\n\\t#else\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\tuniform float morphTargetInfluences[ 8 ];\\n\\t\\t#else\\n\\t\\t\\tuniform float morphTargetInfluences[ 4 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\\n\\t\\t}\\n\\t#else\\n\\t\\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\\n\\t\\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\\n\\t\\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\\n\\t\\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\\n\\t\\t\\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\\n\\t\\t\\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\\n\\t\\t\\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\t#ifdef USE_TANGENT\\n\\t\\tvec3 tangent = normalize( vTangent );\\n\\t\\tvec3 bitangent = normalize( vBitangent );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\ttangent = tangent * faceDirection;\\n\\t\\t\\tbitangent = bitangent * faceDirection;\\n\\t\\t#endif\\n\\t\\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tmat3 vTBN = mat3( tangent, bitangent, normal );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\nvec3 geometryNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef OBJECTSPACE_NORMALMAP\\n\\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( TANGENTSPACE_NORMALMAP )\\n\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tnormal = normalize( vTBN * mapN );\\n\\t#else\\n\\t\\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\\n\\t#endif\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef OBJECTSPACE_NORMALMAP\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\\n\\t\\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = geometryNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\\n\\t#else\\n\\t\\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\\n\\t#endif\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\";\n\nvar iridescence_pars_fragment = \"#ifdef USE_IRIDESCENCEMAP\\n\\tuniform sampler2D iridescenceMap;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform sampler2D iridescenceThicknessMap;\\n#endif\";\n\nvar output_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= transmissionAlpha + 0.1;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nvec4 pack2HalfToRGBA( vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n\\treturn linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn shadow;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\tdp += shadowBias;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\tvec4 shadowWorldPosition;\\n\\t#endif\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\tuniform highp sampler2D boneTexture;\\n\\tuniform int boneTextureSize;\\n\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\tfloat j = i * 4.0;\\n\\t\\tfloat x = mod( j, float( boneTextureSize ) );\\n\\t\\tfloat y = floor( j / float( boneTextureSize ) );\\n\\t\\tfloat dx = 1.0 / float( boneTextureSize );\\n\\t\\tfloat dy = 1.0 / float( boneTextureSize );\\n\\t\\ty = dy * ( y + 0.5 );\\n\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\treturn bone;\\n\\t}\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3( 1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108, 1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605, 1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tfloat transmissionAlpha = 1.0;\\n\\tfloat transmissionFactor = transmission;\\n\\tfloat thicknessFactor = thickness;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmission = getIBLVolumeRefraction(\\n\\t\\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\\n\\t\\tattenuationColor, attenuationDistance );\\n\\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\\n\\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\\n\\t\\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\t#ifdef texture2DLodEXT\\n\\t\\t\\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tif ( attenuationDistance == 0.0 ) {\\n\\t\\t\\treturn radiance;\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance * radiance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\\n\\t\\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\\n\\t\\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\\n\\t\\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\trefractionCoords += 1.0;\\n\\t\\trefractionCoords /= 2.0;\\n\\t\\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\\n\\tvarying vec2 vUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#ifdef USE_UV\\n\\t#ifdef UVS_VERTEX_ONLY\\n\\t\\tvec2 vUv;\\n\\t#else\\n\\t\\tvarying vec2 vUv;\\n\\t#endif\\n\\tuniform mat3 uvTransform;\\n#endif\";\n\nvar uv_vertex = \"#ifdef USE_UV\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n#endif\";\n\nvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\nvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n\\tuniform mat3 uv2Transform;\\n#endif\";\n\nvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$g = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$g = \"uniform sampler2D t2D;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tgl_FragColor = texture2D( t2D, vUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\tgl_FragColor = vec4( mix( pow( gl_FragColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), gl_FragColor.rgb * 0.0773993808, vec3( lessThanEqual( gl_FragColor.rgb, vec3( 0.04045 ) ) ) ), gl_FragColor.w );\\n\\t#endif\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"#include \\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 vReflect = vWorldDirection;\\n\\t#include \\n\\tgl_FragColor = envColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$e = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$a = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$9 = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vIndirectFront;\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\\n\\t#ifdef OPAQUE\\n\\t\\tgl_FragColor.a = 1.0;\\n\\t#endif\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tuniform float iridescence;\\n\\tuniform float iridescenceIOR;\\n\\tuniform float iridescenceThicknessMinimum;\\n\\tuniform float iridescenceThicknessMaximum;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include \\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_SHEEN\\n\\t\\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\\n\\t\\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$2 = \"#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\tvec2 scale;\\n\\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\\n\\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst ShaderChunk = {\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tiridescence_fragment: iridescence_fragment,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tencodings_fragment: encodings_fragment,\n\tencodings_pars_fragment: encodings_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_fragment: lightmap_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_vertex: lights_lambert_vertex,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphcolor_vertex: morphcolor_vertex,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\tiridescence_pars_fragment: iridescence_pars_fragment,\n\toutput_fragment: output_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tuv2_pars_fragment: uv2_pars_fragment,\n\tuv2_pars_vertex: uv2_pars_vertex,\n\tuv2_vertex: uv2_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$g,\n\tbackground_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tuv2Transform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // physical\n\t\trefractionRatio: { value: 0.98 } // basic, lambert, phong\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: /*@__PURE__*/ new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotShadowMap: { value: [] },\n\t\tspotShadowMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: /*@__PURE__*/ new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: /*@__PURE__*/ new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 } // temporary\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\n\tcube: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.envmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: /*@__PURE__*/ new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: /*@__PURE__*/ new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatNormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tiridescence: { value: 0 },\n\t\t\tiridescenceMap: { value: null },\n\t\t\tiridescenceIOR: { value: 1.3 },\n\t\t\tiridescenceThicknessMinimum: { value: 100 },\n\t\t\tiridescenceThicknessMaximum: { value: 400 },\n\t\t\tiridescenceThicknessMap: { value: null },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenRoughness: { value: 1 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionSamplerSize: { value: /*@__PURE__*/ new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tspecularIntensity: { value: 1 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularColor: { value: /*@__PURE__*/ new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nfunction WebGLBackground( renderer, cubemaps, state, objects, alpha, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = alpha === true ? 0 : 1;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction render( renderList, scene ) {\n\n\t\tlet forceClear = false;\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tbackground = cubemaps.get( background );\n\n\t\t}\n\n\t\t// Ignore background in AR\n\t\t// TODO: Reconsider this.\n\n\t\tconst xr = renderer.xr;\n\t\tconst session = xr.getSession && xr.getSession();\n\n\t\tif ( session && session.environmentBlendMode === 'additive' ) {\n\n\t\t\tbackground = null;\n\n\t\t}\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.cube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.cube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.cube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tboxMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tplaneMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tstate.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha );\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, extensions, attributes, capabilities ) {\n\n\tconst maxVertexAttributes = gl.getParameter( 34921 );\n\n\tconst extension = capabilities.isWebGL2 ? null : extensions.get( 'OES_vertex_array_object' );\n\tconst vaoAvailable = capabilities.isWebGL2 || extension !== null;\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\tlet forceUpdate = false;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tif ( vaoAvailable ) {\n\n\t\t\tconst state = getBindingState( geometry, program, material );\n\n\t\t\tif ( currentState !== state ) {\n\n\t\t\t\tcurrentState = state;\n\t\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t\t}\n\n\t\t\tupdateBuffers = needsUpdate( object, geometry, program, index );\n\n\t\t\tif ( updateBuffers ) saveCache( object, geometry, program, index );\n\n\t\t} else {\n\n\t\t\tconst wireframe = ( material.wireframe === true );\n\n\t\t\tif ( currentState.geometry !== geometry.id ||\n\t\t\t\tcurrentState.program !== program.id ||\n\t\t\t\tcurrentState.wireframe !== wireframe ) {\n\n\t\t\t\tcurrentState.geometry = geometry.id;\n\t\t\t\tcurrentState.program = program.id;\n\t\t\t\tcurrentState.wireframe = wireframe;\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, 34963 );\n\n\t\t}\n\n\t\tif ( updateBuffers || forceUpdate ) {\n\n\t\t\tforceUpdate = false;\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( 34963, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.createVertexArray();\n\n\t\treturn extension.createVertexArrayOES();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.bindVertexArray( vao );\n\n\t\treturn extension.bindVertexArrayOES( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.deleteVertexArray( vao );\n\n\t\treturn extension.deleteVertexArrayOES( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( object, geometry, program, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tconst cachedAttribute = cachedAttributes[ name ];\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\t\tif ( geometryAttribute && cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( object, geometry, program, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet attribute = attributes[ name ];\n\n\t\t\t\tif ( attribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) attribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) attribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tconst data = {};\n\t\t\t\tdata.attribute = attribute;\n\n\t\t\t\tif ( attribute && attribute.data ) {\n\n\t\t\t\t\tdata.data = attribute.data;\n\n\t\t\t\t}\n\n\t\t\t\tcache[ name ] = data;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tconst extension = capabilities.isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\textension[ capabilities.isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset ) {\n\n\t\tif ( capabilities.isWebGL2 === true && ( type === 5124 || type === 5125 ) ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tif ( capabilities.isWebGL2 === false && ( object.isInstancedMesh || geometry.isInstancedBufferGeometry ) ) {\n\n\t\t\tif ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) return;\n\n\t\t}\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\t\tforceUpdate = true;\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatibility\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawArraysInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawArraysInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\tconst isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext ) ||\n\t\t( typeof WebGL2ComputeRenderingContext !== 'undefined' && gl instanceof WebGL2ComputeRenderingContext );\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst drawBuffers = isWebGL2 || extensions.has( 'WEBGL_draw_buffers' );\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\n\tconst maxTextures = gl.getParameter( 34930 );\n\tconst maxVertexTextures = gl.getParameter( 35660 );\n\tconst maxTextureSize = gl.getParameter( 3379 );\n\tconst maxCubemapSize = gl.getParameter( 34076 );\n\n\tconst maxAttributes = gl.getParameter( 34921 );\n\tconst maxVertexUniforms = gl.getParameter( 36347 );\n\tconst maxVaryings = gl.getParameter( 36348 );\n\tconst maxFragmentUniforms = gl.getParameter( 36349 );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\tconst floatFragmentTextures = isWebGL2 || extensions.has( 'OES_texture_float' );\n\tconst floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\tconst maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0;\n\n\treturn {\n\n\t\tisWebGL2: isWebGL2,\n\n\t\tdrawBuffers: drawBuffers,\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\tfloatVertexTextures: floatVertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping, camera ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\t\tresetGlobalState();\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height / 2 );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.isOrthographicCamera = true;\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst LOD_MIN = 4;\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._lodMax = 0;\n\t\tthis._cubeSize = 0;\n\t\tthis._lodPlanes = [];\n\t\tthis._sizeLods = [];\n\t\tthis._sigmas = [];\n\n\t\tthis._blurMaterial = null;\n\t\tthis._cubemapMaterial = null;\n\t\tthis._equirectMaterial = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\n\t\tthis._setSize( 256 );\n\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\t\tcubeUVRenderTarget.depthBuffer = true;\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * or HDR. The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromEquirectangular( equirectangular, renderTarget = null ) {\n\n\t\treturn this._fromTexture( equirectangular, renderTarget );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * or HDR. The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromCubemap( cubemap, renderTarget = null ) {\n\n\t\treturn this._fromTexture( cubemap, renderTarget );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\t\t\tthis._compileMaterial( this._cubemapMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\t\t\tthis._compileMaterial( this._equirectMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._dispose();\n\n\t\tif ( this._cubemapMaterial !== null ) this._cubemapMaterial.dispose();\n\t\tif ( this._equirectMaterial !== null ) this._equirectMaterial.dispose();\n\n\t}\n\n\t// private interface\n\n\t_setSize( cubeSize ) {\n\n\t\tthis._lodMax = Math.floor( Math.log2( cubeSize ) );\n\t\tthis._cubeSize = Math.pow( 2, this._lodMax );\n\n\t}\n\n\t_dispose() {\n\n\t\tif ( this._blurMaterial !== null ) this._blurMaterial.dispose();\n\n\t\tif ( this._pingPongRenderTarget !== null ) this._pingPongRenderTarget.dispose();\n\n\t\tfor ( let i = 0; i < this._lodPlanes.length; i ++ ) {\n\n\t\t\tthis._lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._renderer.setRenderTarget( _oldTarget );\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture, renderTarget ) {\n\n\t\tif ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ) {\n\n\t\t\tthis._setSize( texture.image.length === 0 ? 16 : ( texture.image[ 0 ].width || texture.image[ 0 ].image.width ) );\n\n\t\t} else { // Equirectangular\n\n\t\t\tthis._setSize( texture.image.width / 4 );\n\n\t\t}\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\n\t\tconst cubeUVRenderTarget = renderTarget || this._allocateTargets();\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets() {\n\n\t\tconst width = 3 * Math.max( this._cubeSize, 16 * 7 );\n\t\tconst height = 4 * this._cubeSize;\n\n\t\tconst params = {\n\t\t\tmagFilter: LinearFilter,\n\t\t\tminFilter: LinearFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: HalfFloatType,\n\t\t\tformat: RGBAFormat,\n\t\t\tencoding: LinearEncoding,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( width, height, params );\n\n\t\tif ( this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width ) {\n\n\t\t\tif ( this._pingPongRenderTarget !== null ) {\n\n\t\t\t\tthis._dispose();\n\n\t\t\t}\n\n\t\t\tthis._pingPongRenderTarget = _createRenderTarget( width, height, params );\n\n\t\t\tconst { _lodMax } = this;\n\t\t\t( { sizeLods: this._sizeLods, lodPlanes: this._lodPlanes, sigmas: this._sigmas } = _createPlanes( _lodMax ) );\n\n\t\t\tthis._blurMaterial = _getBlurShader( _lodMax, width, height );\n\n\t\t}\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( this._lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\n\t\t\tif ( col === 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col === 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\tconst size = this._cubeSize;\n\n\t\t\t_setViewport( cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size );\n\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\n\t\t\t}\n\n\t\t\tthis._cubemapMaterial.uniforms.flipEnvMap.value = ( texture.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t} else {\n\n\t\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial;\n\t\tconst mesh = new Mesh( this._lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tconst size = this._cubeSize;\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * size, 2 * size );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\n\t\tfor ( let i = 1; i < this._lodPlanes.length; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( this._sigmas[ i ] * this._sigmas[ i ] - this._sigmas[ i - 1 ] * this._sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( this._lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = this._sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i === 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tconst { _lodMax } = this;\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = _lodMax - lodIn;\n\n\t\tconst outputSize = this._sizeLods[ lodOut ];\n\t\tconst x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 );\n\t\tconst y = 4 * ( this._cubeSize - outputSize );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\n\n\nfunction _createPlanes( lodMax ) {\n\n\tconst lodPlanes = [];\n\tconst sizeLods = [];\n\tconst sigmas = [];\n\n\tlet lod = lodMax;\n\n\tconst totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n\tfor ( let i = 0; i < totalLods; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\tsizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > lodMax - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - lodMax + LOD_MIN - 1 ];\n\n\t\t} else if ( i === 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\tsigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 2 );\n\t\tconst min = - texelSize;\n\t\tconst max = 1 + texelSize;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\tlodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { lodPlanes, sizeLods, sigmas };\n\n}\n\nfunction _createRenderTarget( width, height, params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( width, height, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( lodMax, width, height ) {\n\n\tconst weights = new Float32Array( MAX_SAMPLES );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new ShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: {\n\t\t\t'n': MAX_SAMPLES,\n\t\t\t'CUBEUV_TEXEL_WIDTH': 1.0 / width,\n\t\t\t'CUBEUV_TEXEL_HEIGHT': 1.0 / height,\n\t\t\t'CUBEUV_MAX_MIP': `${lodMax}.0`,\n\t\t},\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCubemapMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'flipEnvMap': { value: - 1 }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\tif ( texture.isRenderTargetTexture && texture.needsPMREMUpdate === true ) {\n\n\t\t\t\t\ttexture.needsPMREMUpdate = false;\n\n\t\t\t\t\tlet renderTarget = cubeUVmaps.get( texture );\n\n\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture, renderTarget ) : pmremGenerator.fromCubemap( texture, renderTarget );\n\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( cubeUVmaps.has( texture ) ) {\n\n\t\t\t\t\t\treturn cubeUVmaps.get( texture ).texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\t\tconst renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function ( capabilities ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\n\t\t\t} else {\n\n\t\t\t\tgetExtension( 'WEBGL_depth_texture' );\n\t\t\t\tgetExtension( 'OES_texture_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float_linear' );\n\t\t\t\tgetExtension( 'OES_standard_derivatives' );\n\t\t\t\tgetExtension( 'OES_element_index_uint' );\n\t\t\t\tgetExtension( 'OES_vertex_array_object' );\n\t\t\t\tgetExtension( 'ANGLE_instanced_arrays' );\n\n\t\t\t}\n\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], 34962 );\n\n\t\t}\n\n\t\t// morph targets\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = morphAttributes[ name ];\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tattributes.update( array[ i ], 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawElementsInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawElementsInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 4:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase 1:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase 3:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase 2:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase 0:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.frame ++;\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nfunction numericalSort( a, b ) {\n\n\treturn a[ 0 ] - b[ 0 ];\n\n}\n\nfunction absNumericalSort( a, b ) {\n\n\treturn Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );\n\n}\n\nfunction denormalize( morph, attribute ) {\n\n\tlet denominator = 1;\n\tconst array = attribute.isInterleavedBufferAttribute ? attribute.data.array : attribute.array;\n\n\tif ( array instanceof Int8Array ) denominator = 127;\n\telse if ( array instanceof Uint8Array ) denominator = 255;\n\telse if ( array instanceof Uint16Array ) denominator = 65535;\n\telse if ( array instanceof Int16Array ) denominator = 32767;\n\telse if ( array instanceof Int32Array ) denominator = 2147483647;\n\telse console.error( 'THREE.WebGLMorphtargets: Unsupported morph attribute data type: ', array );\n\n\tmorph.divideScalar( denominator );\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst influencesList = {};\n\tconst morphInfluences = new Float32Array( 8 );\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector4();\n\n\tconst workInfluences = [];\n\n\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\tworkInfluences[ i ] = [ i, 0 ];\n\n\t}\n\n\tfunction update( object, geometry, material, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tif ( capabilities.isWebGL2 === true ) {\n\n\t\t\t// instead of using attributes, the WebGL 2 code path encodes morph targets\n\t\t\t// into an array of data textures. Each layer represents a single morph target.\n\n\t\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\t\tlet entry = morphTextures.get( geometry );\n\n\t\t\tif ( entry === undefined || entry.count !== morphTargetsCount ) {\n\n\t\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\t\tconst hasMorphPosition = geometry.morphAttributes.position !== undefined;\n\t\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\t\t\t\tconst hasMorphColors = geometry.morphAttributes.color !== undefined;\n\n\t\t\t\tconst morphTargets = geometry.morphAttributes.position || [];\n\t\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\t\t\t\tconst morphColors = geometry.morphAttributes.color || [];\n\n\t\t\t\tlet vertexDataCount = 0;\n\n\t\t\t\tif ( hasMorphPosition === true ) vertexDataCount = 1;\n\t\t\t\tif ( hasMorphNormals === true ) vertexDataCount = 2;\n\t\t\t\tif ( hasMorphColors === true ) vertexDataCount = 3;\n\n\t\t\t\tlet width = geometry.attributes.position.count * vertexDataCount;\n\t\t\t\tlet height = 1;\n\n\t\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t\t}\n\n\t\t\t\tconst buffer = new Float32Array( width * height * 4 * morphTargetsCount );\n\n\t\t\t\tconst texture = new DataArrayTexture( buffer, width, height, morphTargetsCount );\n\t\t\t\ttexture.type = FloatType;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t// fill buffer\n\n\t\t\t\tconst vertexDataStride = vertexDataCount * 4;\n\n\t\t\t\tfor ( let i = 0; i < morphTargetsCount; i ++ ) {\n\n\t\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\t\tconst morphNormal = morphNormals[ i ];\n\t\t\t\t\tconst morphColor = morphColors[ i ];\n\n\t\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\t\tif ( hasMorphPosition === true ) {\n\n\t\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\t\tif ( morphTarget.normalized === true ) denormalize( morph, morphTarget );\n\n\t\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\t\tif ( morphNormal.normalized === true ) denormalize( morph, morphNormal );\n\n\t\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( hasMorphColors === true ) {\n\n\t\t\t\t\t\t\tmorph.fromBufferAttribute( morphColor, j );\n\n\t\t\t\t\t\t\tif ( morphColor.normalized === true ) denormalize( morph, morphColor );\n\n\t\t\t\t\t\t\tbuffer[ offset + stride + 8 ] = morph.x;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 9 ] = morph.y;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 10 ] = morph.z;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morph.w : 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tentry = {\n\t\t\t\t\tcount: morphTargetsCount,\n\t\t\t\t\ttexture: texture,\n\t\t\t\t\tsize: new Vector2( width, height )\n\t\t\t\t};\n\n\t\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\t\tfunction disposeTexture() {\n\n\t\t\t\t\ttexture.dispose();\n\n\t\t\t\t\tmorphTextures.delete( geometry );\n\n\t\t\t\t\tgeometry.removeEventListener( 'dispose', disposeTexture );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addEventListener( 'dispose', disposeTexture );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\n\t\t} else {\n\n\t\t\t// When object doesn't have morph target influences defined, we treat it as a 0-length array\n\t\t\t// This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences\n\n\t\t\tconst length = objectInfluences === undefined ? 0 : objectInfluences.length;\n\n\t\t\tlet influences = influencesList[ geometry.id ];\n\n\t\t\tif ( influences === undefined || influences.length !== length ) {\n\n\t\t\t\t// initialise list\n\n\t\t\t\tinfluences = [];\n\n\t\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tinfluences[ i ] = [ i, 0 ];\n\n\t\t\t\t}\n\n\t\t\t\tinfluencesList[ geometry.id ] = influences;\n\n\t\t\t}\n\n\t\t\t// Collect influences\n\n\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\tconst influence = influences[ i ];\n\n\t\t\t\tinfluence[ 0 ] = i;\n\t\t\t\tinfluence[ 1 ] = objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tinfluences.sort( absNumericalSort );\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tif ( i < length && influences[ i ][ 1 ] ) {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = influences[ i ][ 0 ];\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = influences[ i ][ 1 ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = Number.MAX_SAFE_INTEGER;\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tworkInfluences.sort( numericalSort );\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\tconst morphNormals = geometry.morphAttributes.normal;\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tconst influence = workInfluences[ i ];\n\t\t\t\tconst index = influence[ 0 ];\n\t\t\t\tconst value = influence[ 1 ];\n\n\t\t\t\tif ( index !== Number.MAX_SAFE_INTEGER && value ) {\n\n\t\t\t\t\tif ( morphTargets && geometry.getAttribute( 'morphTarget' + i ) !== morphTargets[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphTarget' + i, morphTargets[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.getAttribute( 'morphNormal' + i ) !== morphNormals[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphNormal' + i, morphNormals[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = value;\n\t\t\t\t\tmorphInfluencesSum += value;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( morphTargets && geometry.hasAttribute( 'morphTarget' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphTarget' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.hasAttribute( 'morphNormal' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// GLSL shader uses formula baseinfluence * base + sum(target * influence)\n\t\t\t// This allows us to switch between absolute morphs and relative morphs without changing shader code\n\t\t\t// When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence)\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tattributes.update( object.instanceMatrix, 34962 );\n\n\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\tattributes.update( object.instanceColor, 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n * \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\nconst emptyTexture = /*@__PURE__*/ new Texture();\nconst emptyArrayTexture = /*@__PURE__*/ new DataArrayTexture();\nconst empty3dTexture = /*@__PURE__*/ new Data3DTexture();\nconst emptyCubeTexture = /*@__PURE__*/ new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2D( v || emptyTexture, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || empty3dTexture, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyArrayTexture, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || empty3dTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyArrayTexture, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nclass SingleUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass PureArrayUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass StructuredUniform {\n\n\tconstructor( id ) {\n\n\t\tthis.id = id;\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\tsetValue( gl, value, textures ) {\n\n\t\tconst seq = this.seq;\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t\t}\n\n\t}\n\n}\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n// - followed by an optional right bracket (found when array index)\n// - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nclass WebGLUniforms {\n\n\tconstructor( gl, program ) {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t\tconst n = gl.getProgramParameter( program, 35718 );\n\n\t\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tsetValue( gl, name, value, textures ) {\n\n\t\tconst u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n\t}\n\n\tsetOptional( gl, object, name ) {\n\n\t\tconst v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t}\n\n\tstatic upload( gl, seq, values, textures ) {\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic seqWithValue( seq, values ) {\n\n\t\tconst r = [];\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n}\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\nlet programIdCount = 0;\n\nfunction handleSource( string, errorLine ) {\n\n\tconst lines = string.split( '\\n' );\n\tconst lines2 = [];\n\n\tconst from = Math.max( errorLine - 6, 0 );\n\tconst to = Math.min( errorLine + 6, lines.length );\n\n\tfor ( let i = from; i < to; i ++ ) {\n\n\t\tconst line = i + 1;\n\t\tlines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` );\n\n\t}\n\n\treturn lines2.join( '\\n' );\n\n}\n\nfunction getEncodingComponents( encoding ) {\n\n\tswitch ( encoding ) {\n\n\t\tcase LinearEncoding:\n\t\t\treturn [ 'Linear', '( value )' ];\n\t\tcase sRGBEncoding:\n\t\t\treturn [ 'sRGB', '( value )' ];\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported encoding:', encoding );\n\t\t\treturn [ 'Linear', '( value )' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, 35713 );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\tconst errorMatches = /ERROR: 0:(\\d+)/.exec( errors );\n\tif ( errorMatches ) {\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\tconst errorLine = parseInt( errorMatches[ 1 ] );\n\t\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + handleSource( gl.getShaderSource( shader ), errorLine );\n\n\t} else {\n\n\t\treturn errors;\n\n\t}\n\n}\n\nfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }';\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'OptimizedCineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nfunction generateExtensions( parameters ) {\n\n\tconst chunks = [\n\t\t( parameters.extensionDerivatives || !! parameters.envMapCubeUVHeight || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === 'physical' ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t( parameters.extensionFragDepth || parameters.logarithmicDepthBuffer ) && parameters.rendererExtensionFragDepth ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t( parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t( parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission ) && parameters.rendererExtensionShaderTextureLod ? '#extension GL_EXT_shader_texture_lod : enable' : ''\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, 35721 );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === 35674 ) locationSize = 2;\n\t\tif ( info.type === 35675 ) locationSize = 3;\n\t\tif ( info.type === 35676 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nfunction includeReplacer( match, include ) {\n\n\tconst string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst deprecatedUnrollLoopPattern = /#pragma unroll_loop[\\s]+?for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string\n\t\t.replace( unrollLoopPattern, loopReplacer )\n\t\t.replace( deprecatedUnrollLoopPattern, deprecatedLoopReplacer );\n\n}\n\nfunction deprecatedLoopReplacer( match, start, end, snippet ) {\n\n\tconsole.warn( 'WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.' );\n\treturn loopReplacer( match, start, end, snippet );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = 'precision ' + parameters.precision + ' float;\\nprecision ' + parameters.precision + ' int;';\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction generateCubeUVSize( parameters ) {\n\n\tconst imageHeight = parameters.envMapCubeUVHeight;\n\n\tif ( imageHeight === null ) return null;\n\n\tconst maxMip = Math.log2( imageHeight ) - 2;\n\n\tconst texelHeight = 1.0 / imageHeight;\n\n\tconst texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) );\n\n\treturn { texelWidth, texelHeight, maxMip };\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\tconst envMapCubeUVSize = generateCubeUVSize( parameters );\n\n\tconst customExtensions = parameters.isWebGL2 ? '' : generateExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\n\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphColors && parameters.isWebGL2 ) ? '#define USE_MORPHCOLORS' : '',\n\t\t\t( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE' : '',\n\t\t\t( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '',\n\t\t\t( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )',\n\n\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t'\t#else',\n\n\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t'\t#endif',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_WIDTH ' + envMapCubeUVSize.texelWidth : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_HEIGHT ' + envMapCubeUVSize.texelHeight : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_MAX_MIP ' + envMapCubeUVSize.maxMip + '.0' : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.iridescence ? '#define USE_IRIDESCENCE' : '',\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.opaque ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'encodings_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ),\n\n\t\t\tparameters.useDepthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isWebGL2 && parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\t'precision mediump sampler2DArray;',\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'layout(location = 0) out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, 35633, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\t// check for link errors\n\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\tlet runnable = true;\n\t\tlet haveDiagnostics = true;\n\n\t\tif ( gl.getProgramParameter( program, 35714 ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\tconsole.error(\n\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, 35715 ) + '\\n\\n' +\n\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\tfragmentErrors\n\t\t\t);\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t}\n\n\t// Clean up\n\n\t// Crashes in iOS9 and iOS10. #18402\n\t// gl.detachShader( program, glVertexShader );\n\t// gl.detachShader( program, glFragmentShader );\n\n\tgl.deleteShader( glVertexShader );\n\tgl.deleteShader( glFragmentShader );\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nlet _id = 0;\n\nclass WebGLShaderCache {\n\n\tconstructor() {\n\n\t\tthis.shaderCache = new Map();\n\t\tthis.materialCache = new Map();\n\n\t}\n\n\tupdate( material ) {\n\n\t\tconst vertexShader = material.vertexShader;\n\t\tconst fragmentShader = material.fragmentShader;\n\n\t\tconst vertexShaderStage = this._getShaderStage( vertexShader );\n\t\tconst fragmentShaderStage = this._getShaderStage( fragmentShader );\n\n\t\tconst materialShaders = this._getShaderCacheForMaterial( material );\n\n\t\tif ( materialShaders.has( vertexShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( vertexShaderStage );\n\t\t\tvertexShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\tif ( materialShaders.has( fragmentShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( fragmentShaderStage );\n\t\t\tfragmentShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( material ) {\n\n\t\tconst materialShaders = this.materialCache.get( material );\n\n\t\tfor ( const shaderStage of materialShaders ) {\n\n\t\t\tshaderStage.usedTimes --;\n\n\t\t\tif ( shaderStage.usedTimes === 0 ) this.shaderCache.delete( shaderStage.code );\n\n\t\t}\n\n\t\tthis.materialCache.delete( material );\n\n\t\treturn this;\n\n\t}\n\n\tgetVertexShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.vertexShader ).id;\n\n\t}\n\n\tgetFragmentShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.fragmentShader ).id;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shaderCache.clear();\n\t\tthis.materialCache.clear();\n\n\t}\n\n\t_getShaderCacheForMaterial( material ) {\n\n\t\tconst cache = this.materialCache;\n\n\t\tif ( cache.has( material ) === false ) {\n\n\t\t\tcache.set( material, new Set() );\n\n\t\t}\n\n\t\treturn cache.get( material );\n\n\t}\n\n\t_getShaderStage( code ) {\n\n\t\tconst cache = this.shaderCache;\n\n\t\tif ( cache.has( code ) === false ) {\n\n\t\t\tconst stage = new WebGLShaderStage( code );\n\t\t\tcache.set( code, stage );\n\n\t\t}\n\n\t\treturn cache.get( code );\n\n\t}\n\n}\n\nclass WebGLShaderStage {\n\n\tconstructor( code ) {\n\n\t\tthis.id = _id ++;\n\n\t\tthis.code = code;\n\t\tthis.usedTimes = 0;\n\n\t}\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst _programLayers = new Layers();\n\tconst _customShaders = new WebGLShaderCache();\n\tconst programs = [];\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst vertexTextures = capabilities.vertexTextures;\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst geometry = object.geometry;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst envMapCubeUVHeight = ( !! envMap ) && ( envMap.mapping === CubeUVReflectionMapping ) ? envMap.image.height : null;\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet morphTextureStride = 0;\n\n\t\tif ( geometry.morphAttributes.position !== undefined ) morphTextureStride = 1;\n\t\tif ( geometry.morphAttributes.normal !== undefined ) morphTextureStride = 2;\n\t\tif ( geometry.morphAttributes.color !== undefined ) morphTextureStride = 3;\n\n\t\t//\n\n\t\tlet vertexShader, fragmentShader;\n\t\tlet customVertexShaderID, customFragmentShaderID;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t\t_customShaders.update( material );\n\n\t\t\tcustomVertexShaderID = _customShaders.getVertexShaderID( material );\n\t\t\tcustomFragmentShaderID = _customShaders.getFragmentShaderID( material );\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tconst useAlphaTest = material.alphaTest > 0;\n\t\tconst useClearcoat = material.clearcoat > 0;\n\t\tconst useIridescence = material.iridescence > 0;\n\n\t\tconst parameters = {\n\n\t\t\tisWebGL2: isWebGL2,\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderName: material.type,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tcustomVertexShaderID: customVertexShaderID,\n\t\t\tcustomFragmentShaderID: customFragmentShaderID,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tinstancing: object.isInstancedMesh === true,\n\t\t\tinstancingColor: object.isInstancedMesh === true && object.instanceColor !== null,\n\n\t\t\tsupportsVertexTextures: vertexTextures,\n\t\t\toutputEncoding: ( currentRenderTarget === null ) ? renderer.outputEncoding : ( currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.encoding : LinearEncoding ),\n\t\t\tmap: !! material.map,\n\t\t\tmatcap: !! material.matcap,\n\t\t\tenvMap: !! envMap,\n\t\t\tenvMapMode: envMap && envMap.mapping,\n\t\t\tenvMapCubeUVHeight: envMapCubeUVHeight,\n\t\t\tlightMap: !! material.lightMap,\n\t\t\taoMap: !! material.aoMap,\n\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\tbumpMap: !! material.bumpMap,\n\t\t\tnormalMap: !! material.normalMap,\n\t\t\tobjectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap,\n\t\t\ttangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tdecodeVideoTexture: !! material.map && ( material.map.isVideoTexture === true ) && ( material.map.encoding === sRGBEncoding ),\n\n\t\t\tclearcoat: useClearcoat,\n\t\t\tclearcoatMap: useClearcoat && !! material.clearcoatMap,\n\t\t\tclearcoatRoughnessMap: useClearcoat && !! material.clearcoatRoughnessMap,\n\t\t\tclearcoatNormalMap: useClearcoat && !! material.clearcoatNormalMap,\n\n\t\t\tiridescence: useIridescence,\n\t\t\tiridescenceMap: useIridescence && !! material.iridescenceMap,\n\t\t\tiridescenceThicknessMap: useIridescence && !! material.iridescenceThicknessMap,\n\n\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\tspecularMap: !! material.specularMap,\n\t\t\tspecularIntensityMap: !! material.specularIntensityMap,\n\t\t\tspecularColorMap: !! material.specularColorMap,\n\n\t\t\topaque: material.transparent === false && material.blending === NormalBlending,\n\n\t\t\talphaMap: !! material.alphaMap,\n\t\t\talphaTest: useAlphaTest,\n\n\t\t\tgradientMap: !! material.gradientMap,\n\n\t\t\tsheen: material.sheen > 0,\n\t\t\tsheenColorMap: !! material.sheenColorMap,\n\t\t\tsheenRoughnessMap: !! material.sheenRoughnessMap,\n\n\t\t\ttransmission: material.transmission > 0,\n\t\t\ttransmissionMap: !! material.transmissionMap,\n\t\t\tthicknessMap: !! material.thicknessMap,\n\n\t\t\tcombine: material.combine,\n\n\t\t\tvertexTangents: ( !! material.normalMap && !! geometry.attributes.tangent ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4,\n\t\t\tvertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.iridescenceMap || !! material.iridescenceThicknessMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || !! material.sheenColorMap || !! material.sheenRoughnessMap,\n\t\t\tuvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || !! material.iridescenceMap || !! material.iridescenceThicknessMap || material.transmission > 0 || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || material.sheen > 0 || !! material.sheenColorMap || !! material.sheenRoughnessMap ) && !! material.displacementMap,\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog === true,\n\t\t\tfogExp2: ( fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: !! material.flatShading,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true,\n\n\t\t\tmorphTargets: geometry.morphAttributes.position !== undefined,\n\t\t\tmorphNormals: geometry.morphAttributes.normal !== undefined,\n\t\t\tmorphColors: geometry.morphAttributes.color !== undefined,\n\t\t\tmorphTargetsCount: morphTargetsCount,\n\t\t\tmorphTextureStride: morphTextureStride,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping,\n\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tuseDepthPacking: !! material.depthPacking,\n\t\t\tdepthPacking: material.depthPacking || 0,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionDerivatives: material.extensions && material.extensions.derivatives,\n\t\t\textensionFragDepth: material.extensions && material.extensions.fragDepth,\n\t\t\textensionDrawBuffers: material.extensions && material.extensions.drawBuffers,\n\t\t\textensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD,\n\n\t\t\trendererExtensionFragDepth: isWebGL2 || extensions.has( 'EXT_frag_depth' ),\n\t\t\trendererExtensionDrawBuffers: isWebGL2 || extensions.has( 'WEBGL_draw_buffers' ),\n\t\t\trendererExtensionShaderTextureLod: isWebGL2 || extensions.has( 'EXT_shader_texture_lod' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( parameters.customVertexShaderID );\n\t\t\tarray.push( parameters.customFragmentShaderID );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tgetProgramCacheKeyParameters( array, parameters );\n\t\t\tgetProgramCacheKeyBooleans( array, parameters );\n\t\t\tarray.push( renderer.outputEncoding );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getProgramCacheKeyParameters( array, parameters ) {\n\n\t\tarray.push( parameters.precision );\n\t\tarray.push( parameters.outputEncoding );\n\t\tarray.push( parameters.envMapMode );\n\t\tarray.push( parameters.envMapCubeUVHeight );\n\t\tarray.push( parameters.combine );\n\t\tarray.push( parameters.vertexUvs );\n\t\tarray.push( parameters.fogExp2 );\n\t\tarray.push( parameters.sizeAttenuation );\n\t\tarray.push( parameters.morphTargetsCount );\n\t\tarray.push( parameters.morphAttributeCount );\n\t\tarray.push( parameters.numDirLights );\n\t\tarray.push( parameters.numPointLights );\n\t\tarray.push( parameters.numSpotLights );\n\t\tarray.push( parameters.numHemiLights );\n\t\tarray.push( parameters.numRectAreaLights );\n\t\tarray.push( parameters.numDirLightShadows );\n\t\tarray.push( parameters.numPointLightShadows );\n\t\tarray.push( parameters.numSpotLightShadows );\n\t\tarray.push( parameters.shadowMapType );\n\t\tarray.push( parameters.toneMapping );\n\t\tarray.push( parameters.numClippingPlanes );\n\t\tarray.push( parameters.numClipIntersection );\n\t\tarray.push( parameters.depthPacking );\n\n\t}\n\n\tfunction getProgramCacheKeyBooleans( array, parameters ) {\n\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.isWebGL2 )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.supportsVertexTextures )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.instancing )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.instancingColor )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.map )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.matcap )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.envMap )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.lightMap )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.aoMap )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.emissiveMap )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.bumpMap )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.normalMap )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.objectSpaceNormalMap )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.tangentSpaceNormalMap )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.clearcoat )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.clearcoatMap )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.clearcoatRoughnessMap )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.clearcoatNormalMap )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.iridescence )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.iridescenceMap )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.iridescenceThicknessMap )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.displacementMap )\n\t\t\t_programLayers.enable( 21 );\n\t\tif ( parameters.specularMap )\n\t\t\t_programLayers.enable( 22 );\n\t\tif ( parameters.roughnessMap )\n\t\t\t_programLayers.enable( 23 );\n\t\tif ( parameters.metalnessMap )\n\t\t\t_programLayers.enable( 24 );\n\t\tif ( parameters.gradientMap )\n\t\t\t_programLayers.enable( 25 );\n\t\tif ( parameters.alphaMap )\n\t\t\t_programLayers.enable( 26 );\n\t\tif ( parameters.alphaTest )\n\t\t\t_programLayers.enable( 27 );\n\t\tif ( parameters.vertexColors )\n\t\t\t_programLayers.enable( 28 );\n\t\tif ( parameters.vertexAlphas )\n\t\t\t_programLayers.enable( 29 );\n\t\tif ( parameters.vertexUvs )\n\t\t\t_programLayers.enable( 30 );\n\t\tif ( parameters.vertexTangents )\n\t\t\t_programLayers.enable( 31 );\n\t\tif ( parameters.uvsVertexOnly )\n\t\t\t_programLayers.enable( 32 );\n\t\tif ( parameters.fog )\n\t\t\t_programLayers.enable( 33 );\n\n\t\tarray.push( _programLayers.mask );\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.useFog )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.flatShading )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.logarithmicDepthBuffer )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.skinning )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.morphTargets )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.morphNormals )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.morphColors )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.premultipliedAlpha )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.shadowMapEnabled )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.physicallyCorrectLights )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.doubleSided )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.flipSided )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.useDepthPacking )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.dithering )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.specularIntensityMap )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.specularColorMap )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.transmission )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.transmissionMap )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.thicknessMap )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.sheen )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.sheenColorMap )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.sheenRoughnessMap )\n\t\t\t_programLayers.enable( 21 );\n\t\tif ( parameters.decodeVideoTexture )\n\t\t\t_programLayers.enable( 22 );\n\t\tif ( parameters.opaque )\n\t\t\t_programLayers.enable( 23 );\n\n\t\tarray.push( _programLayers.mask );\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\tfunction releaseShaderCache( material ) {\n\n\t\t_customShaders.remove( material );\n\n\t}\n\n\tfunction dispose() {\n\n\t\t_customShaders.dispose();\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\treleaseShaderCache: releaseShaderCache,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList() {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists() {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tlet list;\n\n\t\tif ( lists.has( scene ) === false ) {\n\n\t\t\tlist = new WebGLRenderList();\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= lists.get( scene ).length ) {\n\n\t\t\t\tlist = new WebGLRenderList();\n\t\t\t\tlists.get( scene ).push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = lists.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions, capabilities ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotShadowMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: []\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights, physicallyCorrectLights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\n\t\tlights.sort( shadowCastingLightsFirst );\n\n\t\t// artist-friendly light intensity scaling factor\n\t\tconst scaleFactor = ( physicallyCorrectLights !== true ) ? Math.PI : 1;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity * scaleFactor;\n\t\t\t\tg += color.g * intensity * scaleFactor;\n\t\t\t\tb += color.b * intensity * scaleFactor;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\tstate.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\t// (a) intensity is the total visible light emitted\n\t\t\t\t//uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) );\n\n\t\t\t\t// (b) intensity is the brightness of the light\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity * scaleFactor );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t// WebGL 2\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\t// WebGL 1\n\n\t\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t\t} else if ( extensions.has( 'OES_texture_half_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotShadowMatrix.length = numSpotShadows;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions, capabilities ) {\n\n\tconst lights = new WebGLLights( extensions, capabilities );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init() {\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights( physicallyCorrectLights ) {\n\n\t\tlights.setup( lightsArray, physicallyCorrectLights );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tlights: lights\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions, capabilities ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tlet renderState;\n\n\t\tif ( renderStates.has( scene ) === false ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStates.get( scene ).length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\t\trenderStates.get( scene ).push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStates.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshDepthMaterial = true;\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshDistanceMaterial = true;\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.referencePosition = new Vector3();\n\t\tthis.nearDistance = 1;\n\t\tthis.farDistance = 1000;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.referencePosition.copy( source.referencePosition );\n\t\tthis.nearDistance = source.nearDistance;\n\t\tthis.farDistance = source.farDistance;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include \\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( _renderer, _objects, _capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = _capabilities.maxTextureSize;\n\n\tconst shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = _renderer.getRenderTarget();\n\t\tconst activeCubeFace = _renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = _renderer.getActiveMipmapLevel();\n\n\t\tconst _state = _renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\tconst pars = ( this.type !== VSMShadowMap ) ? { minFilter: NearestFilter, magFilter: NearestFilter } : {};\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\t_renderer.setRenderTarget( shadow.map );\n\t\t\t_renderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( shadow.isPointLightShadow !== true && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\tscope.needsUpdate = false;\n\n\t\t_renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = _objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( shadow.mapPass === null ) {\n\n\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y );\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.mapPass );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.map );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, material, light, shadowCameraNear, shadowCameraFar, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t}\n\n\t\tif ( ( _renderer.localClippingEnabled && material.clipShadows === true && Array.isArray( material.clippingPlanes ) && material.clippingPlanes.length !== 0 ) ||\n\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t( material.alphaMap && material.alphaTest > 0 ) ) {\n\n\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t// appropriate state\n\n\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t}\n\n\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult = cachedMaterial;\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tresult.referencePosition.setFromMatrixPosition( light.matrixWorld );\n\t\t\tresult.nearDistance = shadowCameraNear;\n\t\t\tresult.farDistance = shadowCameraFar;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = _objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, groupMaterial, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, material, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n}\n\nfunction WebGLState( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( 2929 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( 2929 );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 512 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 519 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 513 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 514 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 518 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 516 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 517 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( 2960 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( 2960 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t currentStencilRef !== stencilRef ||\n\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tconst uboBindings = new WeakMap();\n\tconst uboProgamMap = new WeakMap();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\tlet currentDrawbuffers = new WeakMap();\n\tlet defaultDrawbuffers = [];\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( 35661 );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( 7938 );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( 3088 );\n\tconst viewportParam = gl.getParameter( 2978 );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, 10241, 9728 );\n\t\tgl.texParameteri( type, 10240, 9728 );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tgl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 );\n\temptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( 2929 );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( 2884 );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t// 36009 is equivalent to 36160\n\n\t\t\t\tif ( target === 36009 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36160 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t\tif ( target === 36160 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36009 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction drawBuffers( renderTarget, framebuffer ) {\n\n\t\tlet drawBuffers = defaultDrawbuffers;\n\n\t\tlet needsUpdate = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tdrawBuffers = currentDrawbuffers.get( framebuffer );\n\n\t\t\tif ( drawBuffers === undefined ) {\n\n\t\t\t\tdrawBuffers = [];\n\t\t\t\tcurrentDrawbuffers.set( framebuffer, drawBuffers );\n\n\t\t\t}\n\n\t\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\tif ( drawBuffers.length !== textures.length || drawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tdrawBuffers[ i ] = 36064 + i;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tdrawBuffers.length = textures.length;\n\n\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( drawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\tdrawBuffers[ 0 ] = 36064;\n\n\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( drawBuffers[ 0 ] !== 1029 ) {\n\n\t\t\t\tdrawBuffers[ 0 ] = 1029;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\tgl.drawBuffers( drawBuffers );\n\n\t\t\t} else {\n\n\t\t\t\textensions.get( 'WEBGL_draw_buffers' ).drawBuffersWEBGL( drawBuffers );\n\n\t\t\t}\n\n\t\t}\n\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: 32774,\n\t\t[ SubtractEquation ]: 32778,\n\t\t[ ReverseSubtractEquation ]: 32779\n\t};\n\n\tif ( isWebGL2 ) {\n\n\t\tequationToGL[ MinEquation ] = 32775;\n\t\tequationToGL[ MaxEquation ] = 32776;\n\n\t} else {\n\n\t\tconst extension = extensions.get( 'EXT_blend_minmax' );\n\n\t\tif ( extension !== null ) {\n\n\t\t\tequationToGL[ MinEquation ] = extension.MIN_EXT;\n\t\t\tequationToGL[ MaxEquation ] = extension.MAX_EXT;\n\n\t\t}\n\n\t}\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: 0,\n\t\t[ OneFactor ]: 1,\n\t\t[ SrcColorFactor ]: 768,\n\t\t[ SrcAlphaFactor ]: 770,\n\t\t[ SrcAlphaSaturateFactor ]: 776,\n\t\t[ DstColorFactor ]: 774,\n\t\t[ DstAlphaFactor ]: 772,\n\t\t[ OneMinusSrcColorFactor ]: 769,\n\t\t[ OneMinusSrcAlphaFactor ]: 771,\n\t\t[ OneMinusDstColorFactor ]: 775,\n\t\t[ OneMinusDstAlphaFactor ]: 773\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( 3042 );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( 3042 );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( 32774 );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 1, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 1, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 769, 0, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 768, 0, 770 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 770, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 770, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 769, 0, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 768 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = null;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( 2884 )\n\t\t\t: enable( 2884 );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( 32926 )\n\t\t\t: disable( 32926 );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( 2304 );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( 2305 );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( 2884 );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( 1029 );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( 1028 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( 1032 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 2884 );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( 32823 );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 32823 );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( 3089 );\n\n\t\t} else {\n\n\t\t\tdisable( 3089 );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\tif ( currentTextureSlot === null ) {\n\n\t\t\tactiveTexture();\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\tfunction updateUBOMapping( uniformsGroup, program ) {\n\n\t\tlet mapping = uboProgamMap.get( program );\n\n\t\tif ( mapping === undefined ) {\n\n\t\t\tmapping = new WeakMap();\n\n\t\t\tuboProgamMap.set( program, mapping );\n\n\t\t}\n\n\t\tlet blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( blockIndex === undefined ) {\n\n\t\t\tblockIndex = gl.getUniformBlockIndex( program, uniformsGroup.name );\n\n\t\t\tmapping.set( uniformsGroup, blockIndex );\n\n\t\t}\n\n\t}\n\n\tfunction uniformBlockBinding( uniformsGroup, program ) {\n\n\t\tconst mapping = uboProgamMap.get( program );\n\t\tconst blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( uboBindings.get( uniformsGroup ) !== blockIndex ) {\n\n\t\t\t// bind shader specific block index to global block point\n\n\t\t\tgl.uniformBlockBinding( program, blockIndex, uniformsGroup.__bindingPointIndex );\n\n\t\t\tuboBindings.set( uniformsGroup, blockIndex );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( 3042 );\n\t\tgl.disable( 2884 );\n\t\tgl.disable( 2929 );\n\t\tgl.disable( 32823 );\n\t\tgl.disable( 3089 );\n\t\tgl.disable( 2960 );\n\t\tgl.disable( 32926 );\n\n\t\tgl.blendEquation( 32774 );\n\t\tgl.blendFunc( 1, 0 );\n\t\tgl.blendFuncSeparate( 1, 0, 1, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( 513 );\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( 519, 0, 0xffffffff );\n\t\tgl.stencilOp( 7680, 7680, 7680 );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( 1029 );\n\t\tgl.frontFace( 2305 );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( 33984 );\n\n\t\tgl.bindFramebuffer( 36160, null );\n\n\t\tif ( isWebGL2 === true ) {\n\n\t\t\tgl.bindFramebuffer( 36009, null );\n\t\t\tgl.bindFramebuffer( 36008, null );\n\n\t\t}\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\t\tcurrentDrawbuffers = new WeakMap();\n\t\tdefaultDrawbuffers = [];\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\t\tdrawBuffers: drawBuffers,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\tupdateUBOMapping: updateUBOMapping,\n\t\tuniformBlockBinding: uniformBlockBinding,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexStorage3D: texStorage3D,\n\t\ttexSubImage2D: texSubImage2D,\n\t\ttexSubImage3D: texSubImage3D,\n\t\tcompressedTexSubImage2D: compressedTexSubImage2D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst maxTextures = capabilities.maxTextures;\n\tconst maxCubemapSize = capabilities.maxCubemapSize;\n\tconst maxTextureSize = capabilities.maxTextureSize;\n\tconst maxSamples = capabilities.maxSamples;\n\tconst multisampledRTTExt = extensions.has( 'WEBGL_multisampled_render_to_texture' ) ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : null;\n\tconst supportsInvalidateFramebuffer = /OculusBrowser/g.test( navigator.userAgent );\n\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\tconst _sources = new WeakMap(); // maps WebglTexture objects to instances of Source\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( image.width, image.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 || needsPowerOfTwo === true ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\t\tconst floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor;\n\n\t\t\t\tconst width = floor( scale * image.width );\n\t\t\t\tconst height = floor( scale * image.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction isPowerOfTwo$1( image ) {\n\n\t\treturn isPowerOfTwo( image.width ) && isPowerOfTwo( image.height );\n\n\t}\n\n\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\tif ( isWebGL2 ) return false;\n\n\t\treturn ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) ||\n\t\t\t( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter );\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture, supportsMips ) {\n\n\t\treturn texture.generateMipmaps && supportsMips &&\n\t\t\ttexture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType, encoding, isVideoTexture = false ) {\n\n\t\tif ( isWebGL2 === false ) return glFormat;\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === 6403 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 33326;\n\t\t\tif ( glType === 5131 ) internalFormat = 33325;\n\t\t\tif ( glType === 5121 ) internalFormat = 33321;\n\n\t\t}\n\n\t\tif ( glFormat === 33319 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 33328;\n\t\t\tif ( glType === 5131 ) internalFormat = 33327;\n\t\t\tif ( glType === 5121 ) internalFormat = 33323;\n\n\t\t}\n\n\t\tif ( glFormat === 6408 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34836;\n\t\t\tif ( glType === 5131 ) internalFormat = 34842;\n\t\t\tif ( glType === 5121 ) internalFormat = ( encoding === sRGBEncoding && isVideoTexture === false ) ? 35907 : 32856;\n\t\t\tif ( glType === 32819 ) internalFormat = 32854;\n\t\t\tif ( glType === 32820 ) internalFormat = 32855;\n\n\t\t}\n\n\t\tif ( internalFormat === 33325 || internalFormat === 33326 ||\n\t\t\tinternalFormat === 33327 || internalFormat === 33328 ||\n\t\t\tinternalFormat === 34842 || internalFormat === 34836 ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image, supportsMips ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) === true || ( texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) ) {\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps !== undefined && texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else if ( texture.isCompressedTexture && Array.isArray( texture.image ) ) {\n\n\t\t\treturn image.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t// Fallback filters for non-power-of-2 textures\n\n\tfunction filterFallback( f ) {\n\n\t\tif ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) {\n\n\t\t\treturn 9728;\n\n\t\t}\n\n\t\treturn 9729;\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t// check if it's necessary to remove the WebGLTexture object\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures ) {\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\t\t\twebglTexture.usedTimes --;\n\n\t\t\t// the WebGLTexture object is not used anymore, remove it\n\n\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\tdeleteTexture( texture );\n\n\t\t\t}\n\n\t\t\t// remove the weak map entry if no WebGLTexture uses the source anymore\n\n\t\t\tif ( Object.keys( webglTextures ).length === 0 ) {\n\n\t\t\t\t_sources.delete( source );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deleteTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\t\tdelete webglTextures[ textureProperties.__cacheKey ];\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\tinfo.memory.textures --;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) {\n\n\t\t\t\tfor ( let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer[ i ] ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = texture.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachmentProperties = properties.get( texture[ i ] );\n\n\t\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\t\tinfo.memory.textures --;\n\n\t\t\t\t}\n\n\t\t\t\tproperties.remove( texture[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\tfunction getTextureCacheKey( texture ) {\n\n\t\tconst array = [];\n\n\t\tarray.push( texture.wrapS );\n\t\tarray.push( texture.wrapT );\n\t\tarray.push( texture.magFilter );\n\t\tarray.push( texture.minFilter );\n\t\tarray.push( texture.anisotropy );\n\t\tarray.push( texture.internalFormat );\n\t\tarray.push( texture.format );\n\t\tarray.push( texture.type );\n\t\tarray.push( texture.generateMipmaps );\n\t\tarray.push( texture.premultiplyAlpha );\n\t\tarray.push( texture.flipY );\n\t\tarray.push( texture.unpackAlignment );\n\t\tarray.push( texture.encoding );\n\n\t\treturn array.join();\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but no image data found.' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 3553, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 35866, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 32879, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: 10497,\n\t\t[ ClampToEdgeWrapping ]: 33071,\n\t\t[ MirroredRepeatWrapping ]: 33648\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: 9728,\n\t\t[ NearestMipmapNearestFilter ]: 9984,\n\t\t[ NearestMipmapLinearFilter ]: 9986,\n\n\t\t[ LinearFilter ]: 9729,\n\t\t[ LinearMipmapNearestFilter ]: 9985,\n\t\t[ LinearMipmapLinearFilter ]: 9987\n\t};\n\n\tfunction setTextureParameters( textureType, texture, supportsMips ) {\n\n\t\tif ( supportsMips ) {\n\n\t\t\t_gl.texParameteri( textureType, 10242, wrappingToGL[ texture.wrapS ] );\n\t\t\t_gl.texParameteri( textureType, 10243, wrappingToGL[ texture.wrapT ] );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, wrappingToGL[ texture.wrapR ] );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterToGL[ texture.magFilter ] );\n\t\t\t_gl.texParameteri( textureType, 10241, filterToGL[ texture.minFilter ] );\n\n\t\t} else {\n\n\t\t\t_gl.texParameteri( textureType, 10242, 33071 );\n\t\t\t_gl.texParameteri( textureType, 10243, 33071 );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, 33071 );\n\n\t\t\t}\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) );\n\t\t\t_gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) );\n\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2\n\t\t\tif ( isWebGL2 === false && ( texture.type === HalfFloatType && extensions.has( 'OES_texture_half_float_linear' ) === false ) ) return; // verify extension for WebGL 1 only\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tlet forceUpload = false;\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t}\n\n\t\t// create Source <-> WebGLTextures mapping if necessary\n\n\t\tconst source = texture.source;\n\t\tlet webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures === undefined ) {\n\n\t\t\twebglTextures = {};\n\t\t\t_sources.set( source, webglTextures );\n\n\t\t}\n\n\t\t// check if there is already a WebGLTexture object for the given texture parameters\n\n\t\tconst textureCacheKey = getTextureCacheKey( texture );\n\n\t\tif ( textureCacheKey !== textureProperties.__cacheKey ) {\n\n\t\t\t// if not, create a new instance of WebGLTexture\n\n\t\t\tif ( webglTextures[ textureCacheKey ] === undefined ) {\n\n\t\t\t\t// create new entry\n\n\t\t\t\twebglTextures[ textureCacheKey ] = {\n\t\t\t\t\ttexture: _gl.createTexture(),\n\t\t\t\t\tusedTimes: 0\n\t\t\t\t};\n\n\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t// when a new instance of WebGLTexture was created, a texture upload is required\n\t\t\t\t// even if the image contents are identical\n\n\t\t\t\tforceUpload = true;\n\n\t\t\t}\n\n\t\t\twebglTextures[ textureCacheKey ].usedTimes ++;\n\n\t\t\t// every time the texture cache key changes, it's necessary to check if an instance of\n\t\t\t// WebGLTexture can be deleted in order to avoid a memory leak.\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\n\t\t\tif ( webglTexture !== undefined ) {\n\n\t\t\t\twebglTextures[ textureProperties.__cacheKey ].usedTimes --;\n\n\t\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\t\tdeleteTexture( texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// store references to cache key and WebGLTexture object\n\n\t\t\ttextureProperties.__cacheKey = textureCacheKey;\n\t\t\ttextureProperties.__webglTexture = webglTextures[ textureCacheKey ].texture;\n\n\t\t}\n\n\t\treturn forceUpload;\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = 3553;\n\n\t\tif ( texture.isDataArrayTexture ) textureType = 35866;\n\t\tif ( texture.isData3DTexture ) textureType = 32879;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture );\n\n\t\tif ( source.version !== source.__currentVersion || forceUpload === true ) {\n\n\t\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\t\tconst needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo$1( texture.image ) === false;\n\t\t\tlet image = resizeImage( texture.image, needsPowerOfTwo, false, maxTextureSize );\n\t\t\timage = verifyColorSpace( texture, image );\n\n\t\t\tconst supportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\t\tglFormat = utils.convert( texture.format, texture.encoding );\n\n\t\t\tlet glType = utils.convert( texture.type ),\n\t\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding, texture.isVideoTexture );\n\n\t\t\tsetTextureParameters( textureType, texture, supportsMips );\n\n\t\t\tlet mipmap;\n\t\t\tconst mipmaps = texture.mipmaps;\n\n\t\t\tconst useTexStorage = ( isWebGL2 && texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( source.__currentVersion === undefined ) || ( forceUpload === true );\n\t\t\tconst levels = getMipLevels( texture, image, supportsMips );\n\n\t\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t\t// populate depth texture with dummy data\n\n\t\t\t\tglInternalFormat = 6402;\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t\t} else if ( texture.type === UnsignedIntType ) {\n\n\t\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t\t} else if ( texture.type === UnsignedInt248Type ) {\n\n\t\t\t\t\t\tglInternalFormat = 35056;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tglInternalFormat = 33189; // WebGL2 requires sized internalformat for glTexImage2D\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\t\tconsole.error( 'WebGLRenderer: Floating point depth texture requires WebGL2.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// validation checks for WebGL 1\n\n\t\t\t\tif ( texture.format === DepthFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t\t// DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT\n\t\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\t\tif ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' );\n\n\t\t\t\t\t\ttexture.type = UnsignedIntType;\n\t\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( texture.format === DepthStencilFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\t\tglInternalFormat = 34041;\n\n\t\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t\t// DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL.\n\t\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\t\tif ( texture.type !== UnsignedInt248Type ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' );\n\n\t\t\t\t\t\ttexture.type = UnsignedInt248Type;\n\t\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( 3553, 1, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( 3553, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tstate.texSubImage2D( 3553, 0, 0, 0, image.width, image.height, glFormat, glType, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( 3553, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( 3553, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataArrayTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( 35866, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.texSubImage3D( 35866, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( 32879, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.texSubImage3D( 32879, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isFramebufferTexture ) {\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tlet width = image.width, height = image.height;\n\n\t\t\t\t\t\tfor ( let i = 0; i < levels; i ++ ) {\n\n\t\t\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t\t\t\t\twidth >>= 1;\n\t\t\t\t\t\t\theight >>= 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( 3553, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tstate.texSubImage2D( 3553, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( textureType );\n\n\t\t\t}\n\n\t\t\tsource.__currentVersion = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t\tif ( source.version !== source.__currentVersion || forceUpload === true ) {\n\n\t\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\t\tconst isCompressed = ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture );\n\t\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\t\tconst cubeImage = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], false, true, maxCubemapSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcubeImage[ i ] = verifyColorSpace( texture, cubeImage[ i ] );\n\n\t\t\t}\n\n\t\t\tconst image = cubeImage[ 0 ],\n\t\t\t\tsupportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\t\tglFormat = utils.convert( texture.format, texture.encoding ),\n\t\t\t\tglType = utils.convert( texture.type ),\n\t\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\t\tconst useTexStorage = ( isWebGL2 && texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( source.__currentVersion === undefined ) || ( forceUpload === true );\n\t\t\tlet levels = getMipLevels( texture, image, supportsMips );\n\n\t\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\t\tlet mipmaps;\n\n\t\t\tif ( isCompressed ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( 34067, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( 34069 + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( 34069 + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t// TODO: Uniformly handle mipmap definitions\n\t\t\t\t\t// Normal textures and compressed cube textures define base level + mips with their mipmap array\n\t\t\t\t\t// Uncompressed cube textures use their mipmap array only for mips (no base level)\n\n\t\t\t\t\tif ( mipmaps.length > 0 ) levels ++;\n\n\t\t\t\t\tstate.texStorage2D( 34067, levels, glInternalFormat, cubeImage[ 0 ].width, cubeImage[ 0 ].height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( 34069 + i, 0, 0, 0, cubeImage[ i ].width, cubeImage[ i ].height, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( 34069 + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( 34069 + i, 0, 0, 0, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( 34069 + i, j + 1, 0, 0, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\t// We assume images for cube map have the same size.\n\t\t\t\tgenerateMipmap( 34067 );\n\n\t\t\t}\n\n\t\t\tsource.__currentVersion = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget ) {\n\n\t\tconst glFormat = utils.convert( texture.format, texture.encoding );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tif ( textureTarget === 32879 || textureTarget === 35866 ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else {\n\n\t\t\t_gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0 );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( 36161, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\tlet glInternalFormat = 33189;\n\n\t\t\tif ( isMultisample || useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\n\t\t\t\tif ( depthTexture && depthTexture.isDepthTexture ) {\n\n\t\t\t\t\tif ( depthTexture.type === FloatType ) {\n\n\t\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t\t} else if ( depthTexture.type === UnsignedIntType ) {\n\n\t\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer );\n\n\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer );\n\n\t\t} else {\n\n\t\t\tconst textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ];\n\n\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\tconst texture = textures[ i ];\n\n\t\t\t\tconst glFormat = utils.convert( texture.format, texture.encoding );\n\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( isMultisample && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else if ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( 36160, 36096, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( 36160, 33306, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer );\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, 36064, 3553 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets !== true ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true );\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tif ( capabilities.drawBuffers ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ( isWebGL2 && renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\tconst textures = isMultipleRenderTargets ? texture : [ texture ];\n\n\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = [];\n\n\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tconst texture = textures[ i ];\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer[ i ] = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format, texture.encoding );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36160, 36064 + i, 36161, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( 36160, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, 36064, 34069 + i );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( 34067 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tconst textures = renderTarget.texture;\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( 3553, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( 3553, attachment, supportsMips );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, 36064 + i, 3553 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment, supportsMips ) ) {\n\n\t\t\t\t\tgenerateMipmap( 3553 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = 3553;\n\n\t\t\tif ( renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\tglTextureType = renderTarget.isWebGL3DRenderTarget ? 32879 : 35866;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture, supportsMips );\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, 36064, glTextureType );\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\tconst textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ];\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tconst target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553;\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\tgenerateMipmap( target );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( ( isWebGL2 && renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\tconst textures = renderTarget.isWebGLMultipleRenderTargets ? renderTarget.texture : [ renderTarget.texture ];\n\t\t\tconst width = renderTarget.width;\n\t\t\tconst height = renderTarget.height;\n\t\t\tlet mask = 16384;\n\t\t\tconst invalidationArray = [];\n\t\t\tconst depthStyle = renderTarget.stencilBuffer ? 33306 : 36096;\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\tconst isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true );\n\n\t\t\t// If MRT we need to remove FBO attachments\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36160, 36064 + i, 36161, null );\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t_gl.framebufferTexture2D( 36009, 36064 + i, 3553, null, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer );\n\n\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\tinvalidationArray.push( 36064 + i );\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\tinvalidationArray.push( depthStyle );\n\n\t\t\t\t}\n\n\t\t\t\tconst ignoreDepthValues = ( renderTargetProperties.__ignoreDepthValues !== undefined ) ? renderTargetProperties.__ignoreDepthValues : false;\n\n\t\t\t\tif ( ignoreDepthValues === false ) {\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= 256;\n\t\t\t\t\tif ( renderTarget.stencilBuffer ) mask |= 1024;\n\n\t\t\t\t}\n\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36008, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ignoreDepthValues === true ) {\n\n\t\t\t\t\t_gl.invalidateFramebuffer( 36008, [ depthStyle ] );\n\t\t\t\t\t_gl.invalidateFramebuffer( 36009, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\t\t\t\t\t_gl.framebufferTexture2D( 36009, 36064, 3553, webglTexture, 0 );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 );\n\n\t\t\t\tif ( supportsInvalidateFramebuffer ) {\n\n\t\t\t\t\t_gl.invalidateFramebuffer( 36008, invalidationArray );\n\n\t\t\t\t}\n\n\n\t\t\t}\n\n\t\t\tstate.bindFramebuffer( 36008, null );\n\t\t\tstate.bindFramebuffer( 36009, null );\n\n\t\t\t// If MRT since pre-blit we removed the FBO we need to reconstruct the attachments\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36160, 36064 + i, 36161, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t_gl.framebufferTexture2D( 36009, 36064 + i, 3553, webglTexture, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn Math.min( maxSamples, renderTarget.samples );\n\n\t}\n\n\tfunction useMultisampledRTT( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\treturn isWebGL2 && renderTarget.samples > 0 && extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true && renderTargetProperties.__useRenderToTexture !== false;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\tfunction verifyColorSpace( texture, image ) {\n\n\t\tconst encoding = texture.encoding;\n\t\tconst format = texture.format;\n\t\tconst type = texture.type;\n\n\t\tif ( texture.isCompressedTexture === true || texture.isVideoTexture === true || texture.format === _SRGBAFormat ) return image;\n\n\t\tif ( encoding !== LinearEncoding ) {\n\n\t\t\t// sRGB\n\n\t\t\tif ( encoding === sRGBEncoding ) {\n\n\t\t\t\tif ( isWebGL2 === false ) {\n\n\t\t\t\t\t// in WebGL 1, try to use EXT_sRGB extension and unsized formats\n\n\t\t\t\t\tif ( extensions.has( 'EXT_sRGB' ) === true && format === RGBAFormat ) {\n\n\t\t\t\t\t\ttexture.format = _SRGBAFormat;\n\n\t\t\t\t\t\t// it's not possible to generate mips in WebGL 1 with this extension\n\n\t\t\t\t\t\ttexture.minFilter = LinearFilter;\n\t\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// slow fallback (CPU decode)\n\n\t\t\t\t\t\timage = ImageUtils.sRGBToLinear( image );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// in WebGL 2 uncompressed textures can only be sRGB encoded if they have the RGBA8 format\n\n\t\t\t\t\tif ( format !== RGBAFormat || type !== UnsignedByteType ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.WebGLTextures: Unsupported texture encoding:', encoding );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\tthis.useMultisampledRTT = useMultisampledRTT;\n\n}\n\nfunction WebGLUtils( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction convert( p, encoding = null ) {\n\n\t\tlet extension;\n\n\t\tif ( p === UnsignedByteType ) return 5121;\n\t\tif ( p === UnsignedShort4444Type ) return 32819;\n\t\tif ( p === UnsignedShort5551Type ) return 32820;\n\n\t\tif ( p === ByteType ) return 5120;\n\t\tif ( p === ShortType ) return 5122;\n\t\tif ( p === UnsignedShortType ) return 5123;\n\t\tif ( p === IntType ) return 5124;\n\t\tif ( p === UnsignedIntType ) return 5125;\n\t\tif ( p === FloatType ) return 5126;\n\n\t\tif ( p === HalfFloatType ) {\n\n\t\t\tif ( isWebGL2 ) return 5131;\n\n\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.HALF_FLOAT_OES;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === AlphaFormat ) return 6406;\n\t\tif ( p === RGBAFormat ) return 6408;\n\t\tif ( p === LuminanceFormat ) return 6409;\n\t\tif ( p === LuminanceAlphaFormat ) return 6410;\n\t\tif ( p === DepthFormat ) return 6402;\n\t\tif ( p === DepthStencilFormat ) return 34041;\n\t\tif ( p === RedFormat ) return 6403;\n\n\t\tif ( p === RGBFormat ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: THREE.RGBFormat has been removed. Use THREE.RGBAFormat instead. https://github.com/mrdoob/three.js/pull/23228' );\n\t\t\treturn 6408;\n\n\t\t}\n\n\t\t// WebGL 1 sRGB fallback\n\n\t\tif ( p === _SRGBAFormat ) {\n\n\t\t\textension = extensions.get( 'EXT_sRGB' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.SRGB_ALPHA_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedIntegerFormat ) return 36244;\n\t\tif ( p === RGFormat ) return 33319;\n\t\tif ( p === RGIntegerFormat ) return 33320;\n\t\tif ( p === RGBAIntegerFormat ) return 36249;\n\n\t\t// S3TC\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\tif ( encoding === sRGBEncoding ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// PVRTC\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ETC1\n\n\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ETC2\n\n\t\tif ( p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC2_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ASTC\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_ASTC_4x4_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x4_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x5_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x5_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x6_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x5_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x6_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x8_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x5_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x6_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x8_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x10_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x10_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x12_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// BPTC\n\n\t\tif ( p === RGBA_BPTC_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_BPTC_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\tif ( isWebGL2 ) return 34042;\n\n\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// if \"p\" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats)\n\n\t\treturn ( gl[ p ] !== undefined ) ? gl[ p ] : null;\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.isArrayCamera = true;\n\n\t\tthis.cameras = array;\n\n\t}\n\n}\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isGroup = true;\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\t\tconst joint = new Group();\n\t\t\t\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\t\t\t\tjoint.visible = false;\n\t\t\t\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\t\t\t\t\t\t// ??\n\t\t\t\t\t\thand.add( joint );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst joint = hand.joints[ inputjoint.jointName ];\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\t// Some runtimes (namely Vive Cosmos with Vive OpenXR Runtime) have only grip space and ray space is equal to it\n\t\t\t\tif ( inputPose === null && gripPose !== null ) {\n\n\t\t\t\t\tinputPose = gripPose;\n\n\t\t\t\t}\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedIntType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isDepthTexture = true;\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n\n}\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\tlet customReferenceSpace = null;\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet xrFrame = null;\n\t\tconst attributes = gl.getContextAttributes();\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst controllerInputSources = [];\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.layers.enable( 1 );\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.layers.enable( 2 );\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraVR = new ArrayCamera();\n\t\tcameraVR.layers.enable( 1 );\n\t\tcameraVR.layers.enable( 2 );\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controllerIndex = controllerInputSources.indexOf( event.inputSource );\n\n\t\t\tif ( controllerIndex === - 1 ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\tif ( controller !== undefined ) {\n\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tsession.removeEventListener( 'select', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectstart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeeze', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezestart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezeend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'end', onSessionEnd );\n\t\t\tsession.removeEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\n\t\t\t\tif ( inputSource === null ) continue;\n\n\t\t\t\tcontrollerInputSources[ i ] = null;\n\n\t\t\t\tcontrollers[ i ].disconnect( inputSource );\n\n\t\t\t}\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn customReferenceSpace || referenceSpace;\n\n\t\t};\n\n\t\tthis.setReferenceSpace = function ( space ) {\n\n\t\t\tcustomReferenceSpace = space;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tif ( ( session.renderState.layers === undefined ) || ( renderer.capabilities.isWebGL2 === false ) ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: ( session.renderState.layers === undefined ) ? attributes.antialias : true,\n\t\t\t\t\t\talpha: attributes.alpha,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tencoding: renderer.outputEncoding\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? 35056 : 33190;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: 32856,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\tencoding: renderer.outputEncoding,\n\t\t\t\t\t\t\tsamples: attributes.antialias ? 4 : 0\n\t\t\t\t\t\t} );\n\n\t\t\t\t\tconst renderTargetProperties = renderer.properties.get( newRenderTarget );\n\t\t\t\t\trenderTargetProperties.__ignoreDepthValues = glProjLayer.ignoreDepthValues;\n\n\t\t\t\t}\n\n\t\t\t\tnewRenderTarget.isXRRenderTarget = true; // TODO Remove this when possible, see #23278\n\n\t\t\t\t// Set foveation to maximum.\n\t\t\t\tthis.setFoveation( 1.0 );\n\n\t\t\t\tcustomReferenceSpace = null;\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst index = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( index >= 0 ) {\n\n\t\t\t\t\tcontrollerInputSources[ index ] = null;\n\t\t\t\t\tcontrollers[ index ].dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\n\t\t\t\tlet controllerIndex = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( controllerIndex === - 1 ) {\n\n\t\t\t\t\t// Assign input source a controller that currently has no input source\n\n\t\t\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\t\t\tif ( i >= controllerInputSources.length ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources.push( inputSource );\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t} else if ( controllerInputSources[ i ] === null ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources[ i ] = inputSource;\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// If all controllers do currently receive input we ignore new ones\n\n\t\t\t\t\tif ( controllerIndex === - 1 ) break;\n\n\t\t\t\t}\n\n\t\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t// although must now be relative to the new union camera.\n\t\t\tconst near2 = near + zOffset;\n\t\t\tconst far2 = far + zOffset;\n\t\t\tconst left2 = left - xOffset;\n\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tcameraVR.near = cameraR.near = cameraL.near = camera.near;\n\t\t\tcameraVR.far = cameraR.far = cameraL.far = camera.far;\n\n\t\t\tif ( _currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraVR.near,\n\t\t\t\t\tdepthFar: cameraVR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraVR.near;\n\t\t\t\t_currentDepthFar = cameraVR.far;\n\n\t\t\t}\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraVR.cameras;\n\n\t\t\tupdateCamera( cameraVR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\tcameraVR.matrixWorld.decompose( cameraVR.position, cameraVR.quaternion, cameraVR.scale );\n\n\t\t\t// update user camera and its children\n\n\t\t\tcamera.position.copy( cameraVR.position );\n\t\t\tcamera.quaternion.copy( cameraVR.quaternion );\n\t\t\tcamera.scale.copy( cameraVR.scale );\n\t\t\tcamera.matrix.copy( cameraVR.matrix );\n\t\t\tcamera.matrixWorld.copy( cameraVR.matrixWorld );\n\n\t\t\tconst children = camera.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( true );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraVR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraVR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraVR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\treturn glProjLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\treturn glBaseLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( foveation ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( customReferenceSpace || referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraVRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraVR's camera list\n\n\t\t\t\tif ( views.length !== cameraVR.cameras.length ) {\n\n\t\t\t\t\tcameraVR.cameras.length = 0;\n\t\t\t\t\tcameraVRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlet camera = cameras[ i ];\n\n\t\t\t\t\tif ( camera === undefined ) {\n\n\t\t\t\t\t\tcamera = new PerspectiveCamera();\n\t\t\t\t\t\tcamera.layers.enable( i );\n\t\t\t\t\t\tcamera.viewport = new Vector4();\n\t\t\t\t\t\tcameras[ i ] = camera;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraVR.matrix.copy( camera.matrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraVRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraVR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\t\t\t\tconst controller = controllers[ i ];\n\n\t\t\t\tif ( inputSource !== null && controller !== undefined ) {\n\n\t\t\t\t\tcontroller.update( inputSource, frame, customReferenceSpace || referenceSpace );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nfunction WebGLMaterials( renderer, properties ) {\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tuniforms.fogColor.value.copy( fog.color );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\n\t\t\t// artist-friendly light intensity scaling factor\n\t\t\tconst scaleFactor = ( renderer.physicallyCorrectLights !== true ) ? Math.PI : 1;\n\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity * scaleFactor;\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. specular map\n\t\t// 3. displacementMap map\n\t\t// 4. normal map\n\t\t// 5. bump map\n\t\t// 6. roughnessMap map\n\t\t// 7. metalnessMap map\n\t\t// 8. alphaMap map\n\t\t// 9. emissiveMap map\n\t\t// 10. clearcoat map\n\t\t// 11. clearcoat normal map\n\t\t// 12. clearcoat roughnessMap map\n\t\t// 13. iridescence map\n\t\t// 14. iridescence thickness map\n\t\t// 15. specular intensity map\n\t\t// 16. specular tint map\n\t\t// 17. transmission map\n\t\t// 18. thickness map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.specularMap ) {\n\n\t\t\tuvScaleMap = material.specularMap;\n\n\t\t} else if ( material.displacementMap ) {\n\n\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t} else if ( material.normalMap ) {\n\n\t\t\tuvScaleMap = material.normalMap;\n\n\t\t} else if ( material.bumpMap ) {\n\n\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t} else if ( material.roughnessMap ) {\n\n\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t} else if ( material.metalnessMap ) {\n\n\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t} else if ( material.emissiveMap ) {\n\n\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t} else if ( material.clearcoatMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatMap;\n\n\t\t} else if ( material.clearcoatNormalMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatNormalMap;\n\n\t\t} else if ( material.clearcoatRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatRoughnessMap;\n\n\t\t} else if ( material.iridescenceMap ) {\n\n\t\t\tuvScaleMap = material.iridescenceMap;\n\n\t\t} else if ( material.iridescenceThicknessMap ) {\n\n\t\t\tuvScaleMap = material.iridescenceThicknessMap;\n\n\t\t} else if ( material.specularIntensityMap ) {\n\n\t\t\tuvScaleMap = material.specularIntensityMap;\n\n\t\t} else if ( material.specularColorMap ) {\n\n\t\t\tuvScaleMap = material.specularColorMap;\n\n\t\t} else if ( material.transmissionMap ) {\n\n\t\t\tuvScaleMap = material.transmissionMap;\n\n\t\t} else if ( material.thicknessMap ) {\n\n\t\t\tuvScaleMap = material.thicknessMap;\n\n\t\t} else if ( material.sheenColorMap ) {\n\n\t\t\tuvScaleMap = material.sheenColorMap;\n\n\t\t} else if ( material.sheenRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.sheenRoughnessMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities for uv2\n\t\t// 1. ao map\n\t\t// 2. light map\n\n\t\tlet uv2ScaleMap;\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuv2ScaleMap = material.aoMap;\n\n\t\t} else if ( material.lightMap ) {\n\n\t\t\tuv2ScaleMap = material.lightMap;\n\n\t\t}\n\n\t\tif ( uv2ScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uv2ScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuv2ScaleMap = uv2ScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uv2ScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuv2ScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uv2Transform.value.copy( uv2ScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.roughness.value = material.roughness;\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t}\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.iridescence > 0 ) {\n\n\t\t\tuniforms.iridescence.value = material.iridescence;\n\t\t\tuniforms.iridescenceIOR.value = material.iridescenceIOR;\n\t\t\tuniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[ 0 ];\n\t\t\tuniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[ 1 ];\n\n\t\t\tif ( material.iridescenceMap ) {\n\n\t\t\t\tuniforms.iridescenceMap.value = material.iridescenceMap;\n\n\t\t\t}\n\n\t\t\tif ( material.iridescenceThicknessMap ) {\n\n\t\t\t\tuniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t}\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tuniforms.referencePosition.value.copy( material.referencePosition );\n\t\tuniforms.nearDistance.value = material.nearDistance;\n\t\tuniforms.farDistance.value = material.farDistance;\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction WebGLUniformsGroups( gl, info, capabilities, state ) {\n\n\tlet buffers = {};\n\tlet updateList = {};\n\tlet allocatedBindingPoints = [];\n\n\tconst maxBindingPoints = ( capabilities.isWebGL2 ) ? gl.getParameter( 35375 ) : 0; // binding points are global whereas block indices are per shader program\n\n\tfunction bind( uniformsGroup, program ) {\n\n\t\tconst webglProgram = program.program;\n\t\tstate.uniformBlockBinding( uniformsGroup, webglProgram );\n\n\t}\n\n\tfunction update( uniformsGroup, program ) {\n\n\t\tlet buffer = buffers[ uniformsGroup.id ];\n\n\t\tif ( buffer === undefined ) {\n\n\t\t\tprepareUniformsGroup( uniformsGroup );\n\n\t\t\tbuffer = createBuffer( uniformsGroup );\n\t\t\tbuffers[ uniformsGroup.id ] = buffer;\n\n\t\t\tuniformsGroup.addEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\t}\n\n\t\t// ensure to update the binding points/block indices mapping for this program\n\n\t\tconst webglProgram = program.program;\n\t\tstate.updateUBOMapping( uniformsGroup, webglProgram );\n\n\t\t// update UBO once per frame\n\n\t\tconst frame = info.render.frame;\n\n\t\tif ( updateList[ uniformsGroup.id ] !== frame ) {\n\n\t\t\tupdateBufferData( uniformsGroup );\n\n\t\t\tupdateList[ uniformsGroup.id ] = frame;\n\n\t\t}\n\n\t}\n\n\tfunction createBuffer( uniformsGroup ) {\n\n\t\t// the setup of an UBO is independent of a particular shader program but global\n\n\t\tconst bindingPointIndex = allocateBindingPointIndex();\n\t\tuniformsGroup.__bindingPointIndex = bindingPointIndex;\n\n\t\tconst buffer = gl.createBuffer();\n\t\tconst size = uniformsGroup.__size;\n\t\tconst usage = uniformsGroup.usage;\n\n\t\tgl.bindBuffer( 35345, buffer );\n\t\tgl.bufferData( 35345, size, usage );\n\t\tgl.bindBuffer( 35345, null );\n\t\tgl.bindBufferBase( 35345, bindingPointIndex, buffer );\n\n\t\treturn buffer;\n\n\t}\n\n\tfunction allocateBindingPointIndex() {\n\n\t\tfor ( let i = 0; i < maxBindingPoints; i ++ ) {\n\n\t\t\tif ( allocatedBindingPoints.indexOf( i ) === - 1 ) {\n\n\t\t\t\tallocatedBindingPoints.push( i );\n\t\t\t\treturn i;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconsole.error( 'THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached.' );\n\n\t\treturn 0;\n\n\t}\n\n\tfunction updateBufferData( uniformsGroup ) {\n\n\t\tconst buffer = buffers[ uniformsGroup.id ];\n\t\tconst uniforms = uniformsGroup.uniforms;\n\t\tconst cache = uniformsGroup.__cache;\n\n\t\tgl.bindBuffer( 35345, buffer );\n\n\t\tfor ( let i = 0, il = uniforms.length; i < il; i ++ ) {\n\n\t\t\tconst uniform = uniforms[ i ];\n\n\t\t\t// partly update the buffer if necessary\n\n\t\t\tif ( hasUniformChanged( uniform, i, cache ) === true ) {\n\n\t\t\t\tconst value = uniform.value;\n\t\t\t\tconst offset = uniform.__offset;\n\n\t\t\t\tif ( typeof value === 'number' ) {\n\n\t\t\t\t\tuniform.__data[ 0 ] = value;\n\t\t\t\t\tgl.bufferSubData( 35345, offset, uniform.__data );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( uniform.value.isMatrix3 ) {\n\n\t\t\t\t\t\t// manually converting 3x3 to 3x4\n\n\t\t\t\t\t\tuniform.__data[ 0 ] = uniform.value.elements[ 0 ];\n\t\t\t\t\t\tuniform.__data[ 1 ] = uniform.value.elements[ 1 ];\n\t\t\t\t\t\tuniform.__data[ 2 ] = uniform.value.elements[ 2 ];\n\t\t\t\t\t\tuniform.__data[ 3 ] = uniform.value.elements[ 0 ];\n\t\t\t\t\t\tuniform.__data[ 4 ] = uniform.value.elements[ 3 ];\n\t\t\t\t\t\tuniform.__data[ 5 ] = uniform.value.elements[ 4 ];\n\t\t\t\t\t\tuniform.__data[ 6 ] = uniform.value.elements[ 5 ];\n\t\t\t\t\t\tuniform.__data[ 7 ] = uniform.value.elements[ 0 ];\n\t\t\t\t\t\tuniform.__data[ 8 ] = uniform.value.elements[ 6 ];\n\t\t\t\t\t\tuniform.__data[ 9 ] = uniform.value.elements[ 7 ];\n\t\t\t\t\t\tuniform.__data[ 10 ] = uniform.value.elements[ 8 ];\n\t\t\t\t\t\tuniform.__data[ 11 ] = uniform.value.elements[ 0 ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tvalue.toArray( uniform.__data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.bufferSubData( 35345, offset, uniform.__data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tgl.bindBuffer( 35345, null );\n\n\t}\n\n\tfunction hasUniformChanged( uniform, index, cache ) {\n\n\t\tconst value = uniform.value;\n\n\t\tif ( cache[ index ] === undefined ) {\n\n\t\t\t// cache entry does not exist so far\n\n\t\t\tif ( typeof value === 'number' ) {\n\n\t\t\t\tcache[ index ] = value;\n\n\t\t\t} else {\n\n\t\t\t\tcache[ index ] = value.clone();\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t} else {\n\n\t\t\t// compare current value with cached entry\n\n\t\t\tif ( typeof value === 'number' ) {\n\n\t\t\t\tif ( cache[ index ] !== value ) {\n\n\t\t\t\t\tcache[ index ] = value;\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst cachedObject = cache[ index ];\n\n\t\t\t\tif ( cachedObject.equals( value ) === false ) {\n\n\t\t\t\t\tcachedObject.copy( value );\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction prepareUniformsGroup( uniformsGroup ) {\n\n\t\t// determine total buffer size according to the STD140 layout\n\t\t// Hint: STD140 is the only supported layout in WebGL 2\n\n\t\tconst uniforms = uniformsGroup.uniforms;\n\n\t\tlet offset = 0; // global buffer offset in bytes\n\t\tconst chunkSize = 16; // size of a chunk in bytes\n\t\tlet chunkOffset = 0; // offset within a single chunk in bytes\n\n\t\tfor ( let i = 0, l = uniforms.length; i < l; i ++ ) {\n\n\t\t\tconst uniform = uniforms[ i ];\n\t\t\tconst info = getUniformSize( uniform );\n\n\t\t\t// the following two properties will be used for partial buffer updates\n\n\t\t\tuniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT );\n\t\t\tuniform.__offset = offset;\n\n\t\t\t//\n\n\t\t\tif ( i > 0 ) {\n\n\t\t\t\tchunkOffset = offset % chunkSize;\n\n\t\t\t\tconst remainingSizeInChunk = chunkSize - chunkOffset;\n\n\t\t\t\t// check for chunk overflow\n\n\t\t\t\tif ( chunkOffset !== 0 && ( remainingSizeInChunk - info.boundary ) < 0 ) {\n\n\t\t\t\t\t// add padding and adjust offset\n\n\t\t\t\t\toffset += ( chunkSize - chunkOffset );\n\t\t\t\t\tuniform.__offset = offset;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\toffset += info.storage;\n\n\t\t}\n\n\t\t// ensure correct final padding\n\n\t\tchunkOffset = offset % chunkSize;\n\n\t\tif ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset );\n\n\t\t//\n\n\t\tuniformsGroup.__size = offset;\n\t\tuniformsGroup.__cache = {};\n\n\t\treturn this;\n\n\t}\n\n\tfunction getUniformSize( uniform ) {\n\n\t\tconst value = uniform.value;\n\n\t\tconst info = {\n\t\t\tboundary: 0, // bytes\n\t\t\tstorage: 0 // bytes\n\t\t};\n\n\t\t// determine sizes according to STD140\n\n\t\tif ( typeof value === 'number' ) {\n\n\t\t\t// float/int\n\n\t\t\tinfo.boundary = 4;\n\t\t\tinfo.storage = 4;\n\n\t\t} else if ( value.isVector2 ) {\n\n\t\t\t// vec2\n\n\t\t\tinfo.boundary = 8;\n\t\t\tinfo.storage = 8;\n\n\t\t} else if ( value.isVector3 || value.isColor ) {\n\n\t\t\t// vec3\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 12; // evil: vec3 must start on a 16-byte boundary but it only consumes 12 bytes\n\n\t\t} else if ( value.isVector4 ) {\n\n\t\t\t// vec4\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 16;\n\n\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t// mat3 (in STD140 a 3x3 matrix is represented as 3x4)\n\n\t\t\tinfo.boundary = 48;\n\t\t\tinfo.storage = 48;\n\n\t\t} else if ( value.isMatrix4 ) {\n\n\t\t\t// mat4\n\n\t\t\tinfo.boundary = 64;\n\t\t\tinfo.storage = 64;\n\n\t\t} else if ( value.isTexture ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group.' );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Unsupported uniform value type.', value );\n\n\t\t}\n\n\t\treturn info;\n\n\t}\n\n\tfunction onUniformsGroupsDispose( event ) {\n\n\t\tconst uniformsGroup = event.target;\n\n\t\tuniformsGroup.removeEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\tconst index = allocatedBindingPoints.indexOf( uniformsGroup.__bindingPointIndex );\n\t\tallocatedBindingPoints.splice( index, 1 );\n\n\t\tgl.deleteBuffer( buffers[ uniformsGroup.id ] );\n\n\t\tdelete buffers[ uniformsGroup.id ];\n\t\tdelete updateList[ uniformsGroup.id ];\n\n\t}\n\n\tfunction dispose() {\n\n\t\tfor ( const id in buffers ) {\n\n\t\t\tgl.deleteBuffer( buffers[ id ] );\n\n\t\t}\n\n\t\tallocatedBindingPoints = [];\n\t\tbuffers = {};\n\t\tupdateList = {};\n\n\t}\n\n\treturn {\n\n\t\tbind: bind,\n\t\tupdate: update,\n\n\t\tdispose: dispose\n\n\t};\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nfunction WebGLRenderer( parameters = {} ) {\n\n\tthis.isWebGLRenderer = true;\n\n\tconst _canvas = parameters.canvas !== undefined ? parameters.canvas : createCanvasElement(),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,\n\t\t_powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default',\n\t\t_failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false;\n\n\tlet _alpha;\n\n\tif ( _context !== null ) {\n\n\t\t_alpha = _context.getContextAttributes().alpha;\n\n\t} else {\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false;\n\n\t}\n\n\tlet currentRenderList = null;\n\tlet currentRenderState = null;\n\n\t// render() can be called from within a callback triggered by another render.\n\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\tconst renderListStack = [];\n\tconst renderStateStack = [];\n\n\t// public properties\n\n\tthis.domElement = _canvas;\n\n\t// Debug configuration container\n\tthis.debug = {\n\n\t\t/**\n\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t * @type {boolean}\n\t\t */\n\t\tcheckShaderErrors: true\n\t};\n\n\t// clearing\n\n\tthis.autoClear = true;\n\tthis.autoClearColor = true;\n\tthis.autoClearDepth = true;\n\tthis.autoClearStencil = true;\n\n\t// scene graph\n\n\tthis.sortObjects = true;\n\n\t// user-defined clipping\n\n\tthis.clippingPlanes = [];\n\tthis.localClippingEnabled = false;\n\n\t// physically based shading\n\n\tthis.outputEncoding = LinearEncoding;\n\n\t// physical lights\n\n\tthis.physicallyCorrectLights = false;\n\n\t// tone mapping\n\n\tthis.toneMapping = NoToneMapping;\n\tthis.toneMappingExposure = 1.0;\n\n\t//\n\n\tObject.defineProperties( this, {\n\n\t\t// @deprecated since r136, 0e21088102b4de7e0a0a33140620b7a3424b9e6d\n\n\t\tgammaFactor: {\n\t\t\tget: function () {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaFactor has been removed.' );\n\t\t\t\treturn 2;\n\n\t\t\t},\n\t\t\tset: function () {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaFactor has been removed.' );\n\n\t\t\t}\n\t\t}\n\n\t} );\n\n\t// internal properties\n\n\tconst _this = this;\n\n\tlet _isContextLost = false;\n\n\t// internal state cache\n\n\tlet _currentActiveCubeFace = 0;\n\tlet _currentActiveMipmapLevel = 0;\n\tlet _currentRenderTarget = null;\n\tlet _currentMaterialId = - 1;\n\n\tlet _currentCamera = null;\n\n\tconst _currentViewport = new Vector4();\n\tconst _currentScissor = new Vector4();\n\tlet _currentScissorTest = null;\n\n\t//\n\n\tlet _width = _canvas.width;\n\tlet _height = _canvas.height;\n\n\tlet _pixelRatio = 1;\n\tlet _opaqueSort = null;\n\tlet _transparentSort = null;\n\n\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\tlet _scissorTest = false;\n\n\t// frustum\n\n\tconst _frustum = new Frustum();\n\n\t// clipping\n\n\tlet _clippingEnabled = false;\n\tlet _localClippingEnabled = false;\n\n\t// transmission\n\n\tlet _transmissionRenderTarget = null;\n\n\t// camera matrices cache\n\n\tconst _projScreenMatrix = new Matrix4();\n\n\tconst _vector2 = new Vector2();\n\tconst _vector3 = new Vector3();\n\n\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\tfunction getTargetPixelRatio() {\n\n\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t}\n\n\t// initialize\n\n\tlet _gl = _context;\n\n\tfunction getContext( contextNames, contextAttributes ) {\n\n\t\tfor ( let i = 0; i < contextNames.length; i ++ ) {\n\n\t\t\tconst contextName = contextNames[ i ];\n\t\t\tconst context = _canvas.getContext( contextName, contextAttributes );\n\t\t\tif ( context !== null ) return context;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\ttry {\n\n\t\tconst contextAttributes = {\n\t\t\talpha: true,\n\t\t\tdepth: _depth,\n\t\t\tstencil: _stencil,\n\t\t\tantialias: _antialias,\n\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer,\n\t\t\tpowerPreference: _powerPreference,\n\t\t\tfailIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat\n\t\t};\n\n\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\tif ( 'setAttribute' in _canvas ) _canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t_canvas.addEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\tif ( _gl === null ) {\n\n\t\t\tconst contextNames = [ 'webgl2', 'webgl', 'experimental-webgl' ];\n\n\t\t\tif ( _this.isWebGL1Renderer === true ) {\n\n\t\t\t\tcontextNames.shift();\n\n\t\t\t}\n\n\t\t\t_gl = getContext( contextNames, contextAttributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( getContext( contextNames ) ) {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t};\n\n\t\t}\n\n\t} catch ( error ) {\n\n\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\tthrow error;\n\n\t}\n\n\tlet extensions, capabilities, state, info;\n\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\tlet utils, bindingStates, uniformsGroups;\n\n\tfunction initGLContext() {\n\n\t\textensions = new WebGLExtensions( _gl );\n\n\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\textensions.init( capabilities );\n\n\t\tutils = new WebGLUtils( _gl, extensions, capabilities );\n\n\t\tstate = new WebGLState( _gl, extensions, capabilities );\n\n\t\tinfo = new WebGLInfo();\n\t\tproperties = new WebGLProperties();\n\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\tattributes = new WebGLAttributes( _gl, capabilities );\n\t\tbindingStates = new WebGLBindingStates( _gl, extensions, attributes, capabilities );\n\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\tclipping = new WebGLClipping( properties );\n\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\tmaterials = new WebGLMaterials( _this, properties );\n\t\trenderLists = new WebGLRenderLists();\n\t\trenderStates = new WebGLRenderStates( extensions, capabilities );\n\t\tbackground = new WebGLBackground( _this, cubemaps, state, objects, _alpha, _premultipliedAlpha );\n\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\t\tuniformsGroups = new WebGLUniformsGroups( _gl, info, capabilities, state );\n\n\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities );\n\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities );\n\n\t\tinfo.programs = programCache.programs;\n\n\t\t_this.capabilities = capabilities;\n\t\t_this.extensions = extensions;\n\t\t_this.properties = properties;\n\t\t_this.renderLists = renderLists;\n\t\t_this.shadowMap = shadowMap;\n\t\t_this.state = state;\n\t\t_this.info = info;\n\n\t}\n\n\tinitGLContext();\n\n\t// xr\n\n\tconst xr = new WebXRManager( _this, _gl );\n\n\tthis.xr = xr;\n\n\t// API\n\n\tthis.getContext = function () {\n\n\t\treturn _gl;\n\n\t};\n\n\tthis.getContextAttributes = function () {\n\n\t\treturn _gl.getContextAttributes();\n\n\t};\n\n\tthis.forceContextLoss = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.loseContext();\n\n\t};\n\n\tthis.forceContextRestore = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.restoreContext();\n\n\t};\n\n\tthis.getPixelRatio = function () {\n\n\t\treturn _pixelRatio;\n\n\t};\n\n\tthis.setPixelRatio = function ( value ) {\n\n\t\tif ( value === undefined ) return;\n\n\t\t_pixelRatio = value;\n\n\t\tthis.setSize( _width, _height, false );\n\n\t};\n\n\tthis.getSize = function ( target ) {\n\n\t\treturn target.set( _width, _height );\n\n\t};\n\n\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\tif ( xr.isPresenting ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_canvas.width = Math.floor( width * _pixelRatio );\n\t\t_canvas.height = Math.floor( height * _pixelRatio );\n\n\t\tif ( updateStyle !== false ) {\n\n\t\t\t_canvas.style.width = width + 'px';\n\t\t\t_canvas.style.height = height + 'px';\n\n\t\t}\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t};\n\n\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_pixelRatio = pixelRatio;\n\n\t\t_canvas.width = Math.floor( width * pixelRatio );\n\t\t_canvas.height = Math.floor( height * pixelRatio );\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getCurrentViewport = function ( target ) {\n\n\t\treturn target.copy( _currentViewport );\n\n\t};\n\n\tthis.getViewport = function ( target ) {\n\n\t\treturn target.copy( _viewport );\n\n\t};\n\n\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_viewport.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissor = function ( target ) {\n\n\t\treturn target.copy( _scissor );\n\n\t};\n\n\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_scissor.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissorTest = function () {\n\n\t\treturn _scissorTest;\n\n\t};\n\n\tthis.setScissorTest = function ( boolean ) {\n\n\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t};\n\n\tthis.setOpaqueSort = function ( method ) {\n\n\t\t_opaqueSort = method;\n\n\t};\n\n\tthis.setTransparentSort = function ( method ) {\n\n\t\t_transparentSort = method;\n\n\t};\n\n\t// Clearing\n\n\tthis.getClearColor = function ( target ) {\n\n\t\treturn target.copy( background.getClearColor() );\n\n\t};\n\n\tthis.setClearColor = function () {\n\n\t\tbackground.setClearColor.apply( background, arguments );\n\n\t};\n\n\tthis.getClearAlpha = function () {\n\n\t\treturn background.getClearAlpha();\n\n\t};\n\n\tthis.setClearAlpha = function () {\n\n\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t};\n\n\tthis.clear = function ( color = true, depth = true, stencil = true ) {\n\n\t\tlet bits = 0;\n\n\t\tif ( color ) bits |= 16384;\n\t\tif ( depth ) bits |= 256;\n\t\tif ( stencil ) bits |= 1024;\n\n\t\t_gl.clear( bits );\n\n\t};\n\n\tthis.clearColor = function () {\n\n\t\tthis.clear( true, false, false );\n\n\t};\n\n\tthis.clearDepth = function () {\n\n\t\tthis.clear( false, true, false );\n\n\t};\n\n\tthis.clearStencil = function () {\n\n\t\tthis.clear( false, false, true );\n\n\t};\n\n\t//\n\n\tthis.dispose = function () {\n\n\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t_canvas.removeEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\trenderLists.dispose();\n\t\trenderStates.dispose();\n\t\tproperties.dispose();\n\t\tcubemaps.dispose();\n\t\tcubeuvmaps.dispose();\n\t\tobjects.dispose();\n\t\tbindingStates.dispose();\n\t\tuniformsGroups.dispose();\n\t\tprogramCache.dispose();\n\n\t\txr.dispose();\n\n\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\tif ( _transmissionRenderTarget ) {\n\n\t\t\t_transmissionRenderTarget.dispose();\n\t\t\t_transmissionRenderTarget = null;\n\n\t\t}\n\n\t\tanimation.stop();\n\n\t};\n\n\t// Events\n\n\tfunction onContextLost( event ) {\n\n\t\tevent.preventDefault();\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t_isContextLost = true;\n\n\t}\n\n\tfunction onContextRestore( /* event */ ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t_isContextLost = false;\n\n\t\tconst infoAutoReset = info.autoReset;\n\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\tconst shadowMapType = shadowMap.type;\n\n\t\tinitGLContext();\n\n\t\tinfo.autoReset = infoAutoReset;\n\t\tshadowMap.enabled = shadowMapEnabled;\n\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\tshadowMap.type = shadowMapType;\n\n\t}\n\n\tfunction onContextCreationError( event ) {\n\n\t\tconsole.error( 'THREE.WebGLRenderer: A WebGL context could not be created. Reason: ', event.statusMessage );\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\tdeallocateMaterial( material );\n\n\t}\n\n\t// Buffer deallocation\n\n\tfunction deallocateMaterial( material ) {\n\n\t\treleaseMaterialProgramReferences( material );\n\n\t\tproperties.remove( material );\n\n\t}\n\n\n\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\tconst programs = properties.get( material ).programs;\n\n\t\tif ( programs !== undefined ) {\n\n\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t} );\n\n\t\t\tif ( material.isShaderMaterial ) {\n\n\t\t\t\tprogramCache.releaseShaderCache( material );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// Buffer rendering\n\n\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t//\n\n\t\tlet index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\n\t\t//\n\n\t\tif ( index === null ) {\n\n\t\t\tif ( position === undefined || position.count === 0 ) return;\n\n\t\t} else if ( index.count === 0 ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t//\n\n\t\tlet rangeFactor = 1;\n\n\t\tif ( material.wireframe === true ) {\n\n\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\t\t\trangeFactor = 2;\n\n\t\t}\n\n\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\tlet attribute;\n\t\tlet renderer = bufferRenderer;\n\n\t\tif ( index !== null ) {\n\n\t\t\tattribute = attributes.get( index );\n\n\t\t\trenderer = indexedBufferRenderer;\n\t\t\trenderer.setIndex( attribute );\n\n\t\t}\n\n\t\t//\n\n\t\tconst dataCount = ( index !== null ) ? index.count : position.count;\n\n\t\tconst rangeStart = geometry.drawRange.start * rangeFactor;\n\t\tconst rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\tconst groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\tconst groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\tconst drawStart = Math.max( rangeStart, groupStart );\n\t\tconst drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\tconst drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\t//\n\n\t\tif ( object.isMesh ) {\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 4 );\n\n\t\t\t}\n\n\t\t} else if ( object.isLine ) {\n\n\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\trenderer.setMode( 2 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 3 );\n\n\t\t\t}\n\n\t\t} else if ( object.isPoints ) {\n\n\t\t\trenderer.setMode( 0 );\n\n\t\t} else if ( object.isSprite ) {\n\n\t\t\trenderer.setMode( 4 );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\tconst instanceCount = Math.min( geometry.instanceCount, geometry._maxInstanceCount );\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t} else {\n\n\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t}\n\n\t};\n\n\t// Compile\n\n\tthis.compile = function ( scene, camera ) {\n\n\t\tcurrentRenderState = renderStates.get( scene );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tscene.traverse( function ( object ) {\n\n\t\t\tconst material = object.material;\n\n\t\t\tif ( material ) {\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\tgetProgram( material2, scene, object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\trenderStateStack.pop();\n\t\tcurrentRenderState = null;\n\n\t};\n\n\t// Animation Loop\n\n\tlet onAnimationFrameCallback = null;\n\n\tfunction onAnimationFrame( time ) {\n\n\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t}\n\n\tfunction onXRSessionStart() {\n\n\t\tanimation.stop();\n\n\t}\n\n\tfunction onXRSessionEnd() {\n\n\t\tanimation.start();\n\n\t}\n\n\tconst animation = new WebGLAnimation();\n\tanimation.setAnimationLoop( onAnimationFrame );\n\n\tif ( typeof self !== 'undefined' ) animation.setContext( self );\n\n\tthis.setAnimationLoop = function ( callback ) {\n\n\t\tonAnimationFrameCallback = callback;\n\t\txr.setAnimationLoop( callback );\n\n\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t};\n\n\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t// Rendering\n\n\tthis.render = function ( scene, camera ) {\n\n\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( _isContextLost === true ) return;\n\n\t\t// update scene graph\n\n\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t// update camera matrices and frustum\n\n\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t}\n\n\t\t//\n\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\tcurrentRenderList.init();\n\n\t\trenderListStack.push( currentRenderList );\n\n\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\tcurrentRenderList.finish();\n\n\t\tif ( _this.sortObjects === true ) {\n\n\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t//\n\n\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t//\n\n\t\tbackground.render( currentRenderList, scene );\n\n\t\t// render scene\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tif ( camera.isArrayCamera ) {\n\n\t\t\tconst cameras = camera.cameras;\n\n\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t// _gl.finish();\n\n\t\tbindingStates.resetDefaultState();\n\t\t_currentMaterialId = - 1;\n\t\t_currentCamera = null;\n\n\t\trenderStateStack.pop();\n\n\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderState = null;\n\n\t\t}\n\n\t\trenderListStack.pop();\n\n\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderList = null;\n\n\t\t}\n\n\t};\n\n\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible ) {\n\n\t\t\tif ( object.isGroup ) {\n\n\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t// update skeleton only once in a frame\n\n\t\t\t\t\tif ( object.skeleton.frame !== info.render.frame ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\t\t\t\t\t\tobject.skeleton.frame = info.render.frame;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t}\n\n\t}\n\n\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, scene, camera );\n\n\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\tstate.buffers.depth.setTest( true );\n\t\tstate.buffers.depth.setMask( true );\n\t\tstate.buffers.color.setMask( true );\n\n\t\tstate.setPolygonOffset( false );\n\n\t}\n\n\tfunction renderTransmissionPass( opaqueObjects, scene, camera ) {\n\n\t\tconst isWebGL2 = capabilities.isWebGL2;\n\n\t\tif ( _transmissionRenderTarget === null ) {\n\n\t\t\t_transmissionRenderTarget = new WebGLRenderTarget( 1, 1, {\n\t\t\t\tgenerateMipmaps: true,\n\t\t\t\ttype: extensions.has( 'EXT_color_buffer_half_float' ) ? HalfFloatType : UnsignedByteType,\n\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\tsamples: ( isWebGL2 && _antialias === true ) ? 4 : 0\n\t\t\t} );\n\n\t\t}\n\n\t\t_this.getDrawingBufferSize( _vector2 );\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\t_transmissionRenderTarget.setSize( _vector2.x, _vector2.y );\n\n\t\t} else {\n\n\t\t\t_transmissionRenderTarget.setSize( floorPowerOfTwo( _vector2.x ), floorPowerOfTwo( _vector2.y ) );\n\n\t\t}\n\n\t\t//\n\n\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t_this.setRenderTarget( _transmissionRenderTarget );\n\t\t_this.clear();\n\n\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\tconst currentToneMapping = _this.toneMapping;\n\t\t_this.toneMapping = NoToneMapping;\n\n\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t_this.toneMapping = currentToneMapping;\n\n\t\ttextures.updateMultisampleRenderTarget( _transmissionRenderTarget );\n\t\ttextures.updateRenderTargetMipmap( _transmissionRenderTarget );\n\n\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t}\n\n\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\tconst object = renderItem.object;\n\t\t\tconst geometry = renderItem.geometry;\n\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\tconst group = renderItem.group;\n\n\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\tif ( material.transparent === true && material.side === DoubleSide ) {\n\n\t\t\tmaterial.side = BackSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = FrontSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = DoubleSide;\n\n\t\t} else {\n\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t}\n\n\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t}\n\n\tfunction getProgram( material, scene, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst lights = currentRenderState.state.lights;\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tconst lightsStateVersion = lights.state.version;\n\n\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\tlet programs = materialProperties.programs;\n\n\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tmaterialProperties.fog = scene.fog;\n\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\n\t\tif ( programs === undefined ) {\n\n\t\t\t// new material\n\n\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tprograms = new Map();\n\t\t\tmaterialProperties.programs = programs;\n\n\t\t}\n\n\t\tlet program = programs.get( programCacheKey );\n\n\t\tif ( program !== undefined ) {\n\n\t\t\t// early out if program and light state is identical\n\n\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\treturn program;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\tmaterial.onBuild( object, parameters, _this );\n\n\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t}\n\n\t\tconst uniforms = materialProperties.uniforms;\n\n\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t}\n\n\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t// store the light setup it was created for\n\n\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\tuniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;\n\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t}\n\n\t\tconst progUniforms = program.getUniforms();\n\t\tconst uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\tmaterialProperties.currentProgram = program;\n\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\treturn program;\n\n\t}\n\n\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tmaterialProperties.outputEncoding = parameters.outputEncoding;\n\t\tmaterialProperties.instancing = parameters.instancing;\n\t\tmaterialProperties.skinning = parameters.skinning;\n\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\tmaterialProperties.morphColors = parameters.morphColors;\n\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\t\tmaterialProperties.toneMapping = parameters.toneMapping;\n\n\t}\n\n\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\ttextures.resetTextureUnits();\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tconst encoding = ( _currentRenderTarget === null ) ? _this.outputEncoding : ( _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.encoding : LinearEncoding );\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\tconst vertexTangents = !! material.normalMap && !! geometry.attributes.tangent;\n\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\tconst morphColors = !! geometry.morphAttributes.color;\n\t\tconst toneMapping = material.toneMapped ? _this.toneMapping : NoToneMapping;\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tconst materialProperties = properties.get( material );\n\t\tconst lights = currentRenderState.state.lights;\n\n\t\tif ( _clippingEnabled === true ) {\n\n\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\tconst useCache =\n\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t// (#8465, #8379)\n\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tlet needsProgramChange = false;\n\n\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.outputEncoding !== encoding ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( material.fog === true && materialProperties.fog !== fog ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphColors !== morphColors ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.toneMapping !== toneMapping ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( capabilities.isWebGL2 === true && materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tneedsProgramChange = true;\n\t\t\tmaterialProperties.__version = material.version;\n\n\t\t}\n\n\t\t//\n\n\t\tlet program = materialProperties.currentProgram;\n\n\t\tif ( needsProgramChange === true ) {\n\n\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t}\n\n\t\tlet refreshProgram = false;\n\t\tlet refreshMaterial = false;\n\t\tlet refreshLights = false;\n\n\t\tconst p_uniforms = program.getUniforms(),\n\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\trefreshProgram = true;\n\t\t\trefreshMaterial = true;\n\t\t\trefreshLights = true;\n\n\t\t}\n\n\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t_currentMaterialId = material.id;\n\n\t\t\trefreshMaterial = true;\n\n\t\t}\n\n\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t}\n\n\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t}\n\n\t\t\t// load material specific uniforms\n\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\tmaterial.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.envMap ) {\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ||\n\t\t\t\tmaterial.isShadowMaterial ||\n\t\t\t\tobject.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( skeleton ) {\n\n\t\t\t\tif ( capabilities.floatVertexTextures ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: SkinnedMesh can only be used with WebGL 2. With WebGL 1 OES_texture_float and vertex textures support is required.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\tif ( morphAttributes.position !== undefined || morphAttributes.normal !== undefined || ( morphAttributes.color !== undefined && capabilities.isWebGL2 === true ) ) {\n\n\t\t\tmorphtargets.update( object, geometry, material, program );\n\n\t\t}\n\n\n\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t}\n\n\t\tif ( refreshMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t// values\n\t\t\t\t//\n\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t// the GL state when required\n\n\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t}\n\n\t\t\t// refresh uniforms common to several materials\n\n\t\t\tif ( fog && material.fog === true ) {\n\n\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t}\n\n\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget );\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\n\t\t}\n\n\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t}\n\n\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t}\n\n\t\t// common matrices\n\n\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t// UBOs\n\n\t\tif ( material.isShaderMaterial || material.isRawShaderMaterial ) {\n\n\t\t\tconst groups = material.uniformsGroups;\n\n\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\t\tuniformsGroups.update( group, program );\n\t\t\t\t\tuniformsGroups.bind( group, program );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Uniform Buffer Objects can only be used with WebGL 2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\tuniforms.directionalLights.needsUpdate = value;\n\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\tuniforms.pointLights.needsUpdate = value;\n\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\tuniforms.spotLights.needsUpdate = value;\n\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t}\n\n\tfunction materialNeedsLights( material ) {\n\n\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t}\n\n\tthis.getActiveCubeFace = function () {\n\n\t\treturn _currentActiveCubeFace;\n\n\t};\n\n\tthis.getActiveMipmapLevel = function () {\n\n\t\treturn _currentActiveMipmapLevel;\n\n\t};\n\n\tthis.getRenderTarget = function () {\n\n\t\treturn _currentRenderTarget;\n\n\t};\n\n\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = depthTexture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\tif ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined;\n\n\t\t\tif ( ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\tif ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided' );\n\t\t\t\t\trenderTargetProperties.__useRenderToTexture = false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t};\n\n\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t_currentRenderTarget = renderTarget;\n\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\n\t\tlet useDefaultFramebuffer = true;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\tstate.bindFramebuffer( 36160, null );\n\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet framebuffer = null;\n\t\tlet isCube = false;\n\t\tlet isRenderTarget3D = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst texture = renderTarget.texture;\n\n\t\t\tif ( texture.isData3DTexture || texture.isDataArrayTexture ) {\n\n\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t}\n\n\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\t\t\t\tisCube = true;\n\n\t\t\t} else if ( ( capabilities.isWebGL2 && renderTarget.samples > 0 ) && textures.useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t}\n\n\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t} else {\n\n\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t}\n\n\t\tconst framebufferBound = state.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( framebufferBound && capabilities.drawBuffers && useDefaultFramebuffer ) {\n\n\t\t\tstate.drawBuffers( renderTarget, framebuffer );\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport );\n\t\tstate.scissor( _currentScissor );\n\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\tif ( isCube ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t_gl.framebufferTexture2D( 36160, 36064, 34069 + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\tconst layer = activeCubeFace || 0;\n\t\t\t_gl.framebufferTextureLayer( 36160, 36064, textureProperties.__webglTexture, activeMipmapLevel || 0, layer );\n\n\t\t}\n\n\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t};\n\n\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t}\n\n\t\tif ( framebuffer ) {\n\n\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\ttry {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || ( capabilities.isWebGL2 && extensions.has( 'EXT_color_buffer_float' ) ) );\n\n\t\t\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.has( 'OES_texture_float' ) || extensions.has( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t! halfFloatSupportedByExt ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t}\n\n\t\t\t} finally {\n\n\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.copyFramebufferToTexture = function ( position, texture, level = 0 ) {\n\n\t\tconst levelScale = Math.pow( 2, - level );\n\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t_gl.copyTexSubImage2D( 3553, level, 0, 0, position.x, position.y, width, height );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture = function ( position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tconst width = srcTexture.image.width;\n\t\tconst height = srcTexture.image.height;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\n\t\ttextures.setTexture2D( dstTexture, 0 );\n\n\t\t// As another texture upload may have changed pixelStorei\n\t\t// parameters, make sure they are correct for the dstTexture\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t_gl.compressedTexSubImage2D( 3553, level, position.x, position.y, srcTexture.mipmaps[ 0 ].width, srcTexture.mipmaps[ 0 ].height, glFormat, srcTexture.mipmaps[ 0 ].data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, glFormat, glType, srcTexture.image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( 3553 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture3D = function ( sourceBox, position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tif ( _this.isWebGL1Renderer ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst width = sourceBox.max.x - sourceBox.min.x + 1;\n\t\tconst height = sourceBox.max.y - sourceBox.min.y + 1;\n\t\tconst depth = sourceBox.max.z - sourceBox.min.z + 1;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\t\tlet glTarget;\n\n\t\tif ( dstTexture.isData3DTexture ) {\n\n\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\tglTarget = 32879;\n\n\t\t} else if ( dstTexture.isDataArrayTexture ) {\n\n\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\tglTarget = 35866;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tconst unpackRowLen = _gl.getParameter( 3314 );\n\t\tconst unpackImageHeight = _gl.getParameter( 32878 );\n\t\tconst unpackSkipPixels = _gl.getParameter( 3316 );\n\t\tconst unpackSkipRows = _gl.getParameter( 3315 );\n\t\tconst unpackSkipImages = _gl.getParameter( 32877 );\n\n\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;\n\n\t\t_gl.pixelStorei( 3314, image.width );\n\t\t_gl.pixelStorei( 32878, image.height );\n\t\t_gl.pixelStorei( 3316, sourceBox.min.x );\n\t\t_gl.pixelStorei( 3315, sourceBox.min.y );\n\t\t_gl.pixelStorei( 32877, sourceBox.min.z );\n\n\t\tif ( srcTexture.isDataTexture || srcTexture.isData3DTexture ) {\n\n\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.' );\n\t\t\t\t_gl.compressedTexSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, image.data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.pixelStorei( 3314, unpackRowLen );\n\t\t_gl.pixelStorei( 32878, unpackImageHeight );\n\t\t_gl.pixelStorei( 3316, unpackSkipPixels );\n\t\t_gl.pixelStorei( 3315, unpackSkipRows );\n\t\t_gl.pixelStorei( 32877, unpackSkipImages );\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( glTarget );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.initTexture = function ( texture ) {\n\n\t\tif ( texture.isCubeTexture ) {\n\n\t\t\ttextures.setTextureCube( texture, 0 );\n\n\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\ttextures.setTexture3D( texture, 0 );\n\n\t\t} else if ( texture.isDataArrayTexture ) {\n\n\t\t\ttextures.setTexture2DArray( texture, 0 );\n\n\t\t} else {\n\n\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t}\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.resetState = function () {\n\n\t\t_currentActiveCubeFace = 0;\n\t\t_currentActiveMipmapLevel = 0;\n\t\t_currentRenderTarget = null;\n\n\t\tstate.reset();\n\t\tbindingStates.reset();\n\n\t};\n\n\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t}\n\n}\n\nclass WebGL1Renderer extends WebGLRenderer {}\n\nWebGL1Renderer.prototype.isWebGL1Renderer = true;\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.isFogExp2 = true;\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.isFog = true;\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isScene = true;\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.isInterleavedBuffer = true;\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.from( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.isInterleavedBufferAttribute = true;\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.fromBufferAttribute( this, i );\n\n\t\t\t_vector$6.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.fromBufferAttribute( this, i );\n\n\t\t\t_vector$6.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.fromBufferAttribute( this, i );\n\n\t\t\t_vector$6.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// deinterleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interleaved attribtue\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isSpriteMaterial = true;\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material ) {\n\n\t\tsuper();\n\n\t\tthis.isSprite = true;\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getUV( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isSkinnedMesh = true;\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = 'attached';\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\treturn this;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.fromBufferAttribute( skinWeight, i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === 'attached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === 'detached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tboneTransform( index, target ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( target ).applyMatrix4( this.bindMatrix );\n\n\t\ttarget.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\ttarget.addScaledVector( _vector$5.copy( _basePosition ).applyMatrix4( _matrix ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn target.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isBone = true;\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.isDataTexture = true;\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\t\tthis.boneTextureSize = 0;\n\n\t\tthis.frame = - 1;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = ceilPowerOfTwo( size );\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\t\tboneTexture.needsUpdate = true;\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\t\tthis.boneTextureSize = size;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tif ( typeof normalized === 'number' ) {\n\n\t\t\tmeshPerAttribute = normalized;\n\n\t\t\tnormalized = false;\n\n\t\t\tconsole.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' );\n\n\t\t}\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.isInstancedBufferAttribute = true;\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _mesh = /*@__PURE__*/ new Mesh();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isInstancedMesh = true;\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\n\t\tthis.count = count;\n\n\t\tthis.frustumCulled = false;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh.geometry = this.geometry;\n\t\t_mesh.material = this.material;\n\n\t\tif ( _mesh.material === undefined ) return;\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isLineBasicMaterial = true;\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _start$1 = /*@__PURE__*/ new Vector3();\nconst _end$1 = /*@__PURE__*/ new Vector3();\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isLine = true;\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t_start$1.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t_end$1.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i ] += _start$1.distanceTo( _end$1 );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst vStart = new Vector3();\n\t\tconst vEnd = new Vector3();\n\t\tconst interSegment = new Vector3();\n\t\tconst interRay = new Vector3();\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst a = index.getX( i );\n\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\tvStart.fromBufferAttribute( positionAttribute, a );\n\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, b );\n\n\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\tindex: i,\n\t\t\t\t\tface: null,\n\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tvStart.fromBufferAttribute( positionAttribute, i );\n\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\tintersects.push( {\n\n\t\t\t\t\tdistance: distance,\n\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\tindex: i,\n\t\t\t\t\tface: null,\n\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\tobject: this\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isLineSegments = true;\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [];\n\n\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isLineLoop = true;\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isPointsMaterial = true;\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isPoints = true;\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isVideoTexture = true;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nclass FramebufferTexture extends Texture {\n\n\tconstructor( width, height, format ) {\n\n\t\tsuper( { width, height } );\n\n\t\tthis.isFramebufferTexture = true;\n\n\t\tthis.format = format;\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.isCompressedTexture = true;\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isCanvasTexture = true;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.isEllipseCurve = true;\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst point = optionalTarget || new Vector2();\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.isArcCurve = true;\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t * p(0) = x0, p(1) = x1\n\t * and\n\t * p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = /*@__PURE__*/ new Vector3();\nconst px = /*@__PURE__*/ new CubicPoly();\nconst py = /*@__PURE__*/ new CubicPoly();\nconst pz = /*@__PURE__*/ new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.isCatmullRomCurve3 = true;\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Bezier Curves formulas obtained from\n * https://en.wikipedia.org/wiki/B%C3%A9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isCubicBezierCurve = true;\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isCubicBezierCurve3 = true;\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isLineCurve = true;\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst tangent = optionalTarget || new Vector2();\n\n\t\ttangent.copy( this.v2 ).sub( this.v1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.type = 'LineCurve3';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isQuadraticBezierCurve = true;\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isQuadraticBezierCurve3 = true;\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.isSplineCurve = true;\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n * curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t}\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points = [ new Vector2( 0, - 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\t\tconst initNormals = [];\n\t\tconst normals = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tconst normal = new Vector3();\n\t\tconst curNormal = new Vector3();\n\t\tconst prevNormal = new Vector3();\n\t\tlet dx = 0;\n\t\tlet dy = 0;\n\n\t\t// pre-compute normals for initial \"meridian\"\n\n\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\tswitch ( j ) {\n\n\t\t\t\tcase 0:\t\t\t\t// special handling for 1st vertex on path\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tprevNormal.copy( normal );\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ( points.length - 1 ):\t// special handling for last Vertex on path\n\n\t\t\t\t\tinitNormals.push( prevNormal.x, prevNormal.y, prevNormal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\t\t\t// default handling for all vertices in between\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tcurNormal.copy( normal );\n\n\t\t\t\t\tnormal.x += prevNormal.x;\n\t\t\t\t\tnormal.y += prevNormal.y;\n\t\t\t\t\tnormal.z += prevNormal.z;\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tprevNormal.copy( curNormal );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate vertices, uvs and normals\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// normal\n\n\t\t\t\tconst x = initNormals[ 3 * j + 0 ] * sin;\n\t\t\t\tconst y = initNormals[ 3 * j + 1 ];\n\t\t\t\tconst z = initNormals[ 3 * j + 0 ] * cos;\n\n\t\t\t\tnormals.push( x, y, z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( c, d, b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass CapsuleGeometry extends LatheGeometry {\n\n\tconstructor( radius = 1, length = 1, capSegments = 4, radialSegments = 8 ) {\n\n\t\tconst path = new Path();\n\t\tpath.absarc( 0, - length / 2, radius, Math.PI * 1.5, 0 );\n\t\tpath.absarc( 0, length / 2, radius, 0, Math.PI * 0.5 );\n\n\t\tsuper( path.getPoints( capSegments ), radialSegments );\n\n\t\tthis.type = 'CapsuleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: length,\n\t\t\tcapSegments: capSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CapsuleGeometry( data.radius, data.length, data.capSegments, data.radialSegments );\n\n\t}\n\n}\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 8, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// update group counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\nconst _v1$1 = /*@__PURE__*/ new Vector3();\nconst _normal = /*@__PURE__*/ new Vector3();\nconst _triangle = /*@__PURE__*/ new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.2)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 1 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim );\n\t\t\ttriangles.push( ear.i / dim );\n\t\t\ttriangles.push( next.i / dim );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tlet p = ear.next.next;\n\n\twhile ( p !== ear.prev ) {\n\n\t\tif ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ),\n\t\tminTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ),\n\t\tmaxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ),\n\t\tmaxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( minTX, minTY, minX, minY, invSize ),\n\t\tmaxZ = zOrder( maxTX, maxTY, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim );\n\t\t\ttriangles.push( p.i / dim );\n\t\t\ttriangles.push( b.i / dim );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\teliminateHole( queue[ i ], outerNode );\n\t\touterNode = filterPoints( outerNode, outerNode.next );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\touterNode = findHoleBridge( hole, outerNode );\n\tif ( outerNode ) {\n\n\t\tconst b = splitPolygon( outerNode, hole );\n\n\t\t// filter collinear points around the cuts\n\t\tfilterPoints( outerNode, outerNode.next );\n\t\tfilterPoints( b, b.next );\n\n\t}\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode;\n\tconst hx = hole.x;\n\tconst hy = hole.y;\n\tlet qx = - Infinity, m;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tif ( x === hx ) {\n\n\t\t\t\t\tif ( hy === p.y ) return p;\n\t\t\t\t\tif ( hy === p.next.y ) return p.next;\n\n\t\t\t\t}\n\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\tif ( hx === qx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = 32767 * ( x - minX ) * invSize;\n\ty = 32767 * ( y - minY ) * invSize;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 &&\n\t\t\t( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 &&\n\t\t\t( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0;\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // doesn't intersect other edges\n\t\t( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n\t\t( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n\t\tequals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = null;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n * curveSegments: , // number of points on the curves\n * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n * depth: , // Depth to extrude the shape\n *\n * bevelEnabled: , // turn on bevel\n * bevelThickness: , // how deep into the original shape bevel goes\n * bevelSize: , // how far from shape outline (including bevelOffset) is bevel\n * bevelOffset: , // how far from shape outline does bevel start\n * bevelSegments: , // number of bevel layers\n *\n * extrudePath: // curve to extrude shape along\n *\n * UVGenerator: // object that provides UV generator functions\n *\n * }\n */\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tconst depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t// but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t///// Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tdata.options = Object.assign( {}, options );\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 8, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// incides\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy == 0 && thetaStart == 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy == heightSegments && thetaEnd == Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 8, tubularSegments = 6, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segment\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectors, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all edges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1 );\n\t\tedges.add( hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tBoxBufferGeometry: BoxGeometry,\n\tCapsuleGeometry: CapsuleGeometry,\n\tCapsuleBufferGeometry: CapsuleGeometry,\n\tCircleGeometry: CircleGeometry,\n\tCircleBufferGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tConeBufferGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tCylinderBufferGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tDodecahedronBufferGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tExtrudeBufferGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tIcosahedronBufferGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tLatheBufferGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tOctahedronBufferGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPlaneBufferGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tPolyhedronBufferGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tRingBufferGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tShapeBufferGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tSphereBufferGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTetrahedronBufferGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusBufferGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTorusKnotBufferGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tTubeBufferGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isShadowMaterial = true;\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.isRawShaderMaterial = true;\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshStandardMaterial = true;\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshPhysicalMaterial = true;\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.iridescenceMap = null;\n\t\tthis.iridescenceIOR = 1.3;\n\t\tthis.iridescenceThicknessRange = [ 100, 400 ];\n\t\tthis.iridescenceThicknessMap = null;\n\n\t\tthis.sheenColor = new Color( 0x000000 );\n\t\tthis.sheenColorMap = null;\n\t\tthis.sheenRoughness = 1.0;\n\t\tthis.sheenRoughnessMap = null;\n\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = 0.0;\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\t\tthis.specularColorMap = null;\n\n\t\tthis._sheen = 0.0;\n\t\tthis._clearcoat = 0;\n\t\tthis._iridescence = 0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget iridescence() {\n\n\t\treturn this._iridescence;\n\n\t}\n\n\tset iridescence( value ) {\n\n\t\tif ( this._iridescence > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._iridescence = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.ior = source.ior;\n\n\t\tthis.iridescence = source.iridescence;\n\t\tthis.iridescenceMap = source.iridescenceMap;\n\t\tthis.iridescenceIOR = source.iridescenceIOR;\n\t\tthis.iridescenceThicknessRange = [ ...source.iridescenceThicknessRange ];\n\t\tthis.iridescenceThicknessMap = source.iridescenceThicknessMap;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshPhongMaterial = true;\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshToonMaterial = true;\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshNormalMaterial = true;\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshLambertMaterial = true;\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshMatcapMaterial = true;\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isLineDashedMaterial = true;\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\n// same as Array.prototype.slice, but also works on typed arrays\nfunction arraySlice( array, from, to ) {\n\n\tif ( isTypedArray( array ) ) {\n\n\t\t// in ios9 array.subarray(from, undefined) will return empty array\n\t\t// but array.subarray(from) or array.subarray(from, len) is correct\n\t\treturn new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) );\n\n\t}\n\n\treturn array.slice( from, to );\n\n}\n\n// converts an array to a specific type\nfunction convertArray( array, type, forceClone ) {\n\n\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t! forceClone && array.constructor === type ) return array;\n\n\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\treturn new type( array ); // create typed array\n\n\t}\n\n\treturn Array.prototype.slice.call( array ); // create Array\n\n}\n\nfunction isTypedArray( object ) {\n\n\treturn ArrayBuffer.isView( object ) &&\n\t\t! ( object instanceof DataView );\n\n}\n\n// returns an array by which times and values can be sorted\nfunction getKeyframeOrder( times ) {\n\n\tfunction compareTime( i, j ) {\n\n\t\treturn times[ i ] - times[ j ];\n\n\t}\n\n\tconst n = times.length;\n\tconst result = new Array( n );\n\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\tresult.sort( compareTime );\n\n\treturn result;\n\n}\n\n// uses the array previously returned by 'getKeyframeOrder' to sort data\nfunction sortedArray( values, stride, order ) {\n\n\tconst nValues = values.length;\n\tconst result = new values.constructor( nValues );\n\n\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\tconst srcOffset = order[ i ] * stride;\n\n\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t}\n\n\t}\n\n\treturn result;\n\n}\n\n// function for parsing AOS keyframe formats\nfunction flattenJSON( jsonKeys, times, values, valuePropertyName ) {\n\n\tlet i = 1, key = jsonKeys[ 0 ];\n\n\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\tkey = jsonKeys[ i ++ ];\n\n\t}\n\n\tif ( key === undefined ) return; // no data\n\n\tlet value = key[ valuePropertyName ];\n\tif ( value === undefined ) return; // no data\n\n\tif ( Array.isArray( value ) ) {\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else if ( value.toArray !== undefined ) {\n\n\t\t// ...assume THREE.Math-ish\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else {\n\n\t\t// otherwise push as-is\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push( value );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t}\n\n}\n\nfunction subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\tconst clip = sourceClip.clone();\n\n\tclip.name = name;\n\n\tconst tracks = [];\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tconst track = clip.tracks[ i ];\n\t\tconst valueSize = track.getValueSize();\n\n\t\tconst times = [];\n\t\tconst values = [];\n\n\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( times.length === 0 ) continue;\n\n\t\ttrack.times = convertArray( times, track.times.constructor );\n\t\ttrack.values = convertArray( values, track.values.constructor );\n\n\t\ttracks.push( track );\n\n\t}\n\n\tclip.tracks = tracks;\n\n\t// find minimum .times value across all tracks in the trimmed clip\n\n\tlet minStartTime = Infinity;\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t}\n\n\t}\n\n\t// shift all tracks such that clip begins at t=0\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t}\n\n\tclip.resetDuration();\n\n\treturn clip;\n\n}\n\nfunction makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\tif ( fps <= 0 ) fps = 30;\n\n\tconst numTracks = referenceClip.tracks.length;\n\tconst referenceTime = referenceFrame / fps;\n\n\t// Make each track's values relative to the values at the reference frame\n\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t// Skip this track if it's non-numeric\n\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t} );\n\n\t\tif ( targetTrack === undefined ) continue;\n\n\t\tlet referenceOffset = 0;\n\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t}\n\n\t\tlet targetOffset = 0;\n\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t}\n\n\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\tlet referenceValue;\n\n\t\t// Find the value to subtract out of the track\n\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\treferenceValue = arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\treferenceValue = arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t} else {\n\n\t\t\t// Interpolate to the reference value\n\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\treferenceValue = arraySlice( interpolant.resultBuffer, startIndex, endIndex );\n\n\t\t}\n\n\t\t// Conjugate the quaternion\n\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t}\n\n\t\t// Subtract the reference value from all of the track values\n\n\t\tconst numTimes = targetTrack.times.length;\n\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart,\n\t\t\t\t\treferenceValue,\n\t\t\t\t\t0,\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart\n\t\t\t\t);\n\n\t\t\t} else {\n\n\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\treturn targetClip;\n\n}\n\nvar AnimationUtils = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tarraySlice: arraySlice,\n\tconvertArray: convertArray,\n\tisTypedArray: isTypedArray,\n\tgetKeyframeOrder: getKeyframeOrder,\n\tsortedArray: sortedArray,\n\tflattenJSON: flattenJSON,\n\tsubclip: subclip,\n\tmakeClipAdditive: makeClipAdditive\n});\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = convertArray( times, this.TimeBufferType );\n\t\tthis.values = convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': convertArray( track.times, Array ),\n\t\t\t\t'values': convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = arraySlice( times, from, to );\n\t\t\tthis.values = arraySlice( this.values, from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = arraySlice( this.times ),\n\t\t\tvalues = arraySlice( this.values ),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = arraySlice( times, 0, writeIndex );\n\t\t\tthis.values = arraySlice( values, 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = arraySlice( this.times, 0 );\n\t\tconst values = arraySlice( this.values, 0 );\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\nQuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name, duration = - 1, tracks, blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = getKeyframeOrder( times );\n\t\t\ttimes = sortedArray( times, 1, order );\n\t\t\tvalues = sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tflattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * fps;\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tflattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = /*@__PURE__*/ new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nconst loading = {};\n\nclass HttpError extends Error {\n\n\tconstructor( message, response ) {\n\n\t\tsuper( message );\n\t\tthis.response = response;\n\n\t}\n\n}\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\t// An abort controller could be added within a future PR\n\t\t} );\n\n\t\t// record states ( avoid data race )\n\t\tconst mimeType = this.mimeType;\n\t\tconst responseType = this.responseType;\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Workaround: Checking if response.body === undefined for Alipay browser #23548\n\n\t\t\t\t\tif ( typeof ReadableStream === 'undefined' || response.body === undefined || response.body.getReader === undefined ) {\n\n\t\t\t\t\t\treturn response;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\t\t\t\t\tconst contentLength = response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\tconst stream = new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn new Response( stream );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new HttpError( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}`, response );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( response => {\n\n\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( mimeType === undefined ) {\n\n\t\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// sniff encoding\n\t\t\t\t\t\t\tconst re = /charset=\"?([^;\"\\s]*)\"?/i;\n\t\t\t\t\t\t\tconst exec = re.exec( mimeType );\n\t\t\t\t\t\t\tconst label = exec && exec[ 1 ] ? exec[ 1 ].toLowerCase() : undefined;\n\t\t\t\t\t\t\tconst decoder = new TextDecoder( label );\n\t\t\t\t\t\t\treturn response.arrayBuffer().then( ab => decoder.decode( ab ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( url, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tif ( callbacks === undefined ) {\n\n\t\t\t\t\t// When onLoad was called and url was deleted in `loading`\n\t\t\t\t\tthis.manager.itemError( url );\n\t\t\t\t\tthrow err;\n\n\t\t\t\t}\n\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\n\t\t\t} )\n\t\t\t.finally( () => {\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.slice( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tconst texData = scope.parse( buffer );\n\n\t\t\tif ( ! texData ) return;\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.encoding !== undefined ) {\n\n\t\t\t\ttexture.encoding = texData.encoding;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.isLight = true;\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.isHemisphereLight = true;\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.isSpotLightShadow = true;\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isSpotLight = true;\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = π * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis.isPointLightShadow = true;\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t// xzXZ\n\t\t\t// y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isPointLight = true;\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 π luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t\tthis.isDirectionalLightShadow = true;\n\n\t}\n\n}\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isDirectionalLight = true;\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isAmbientLight = true;\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isRectAreaLight = true;\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Primary reference:\n * https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n * https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.isSphericalHarmonics3 = true;\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // π * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * π / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( π / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( π / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( π / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.isLightProbe = true;\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = MaterialLoader.createMaterialFromType( json.type );\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.iridescence !== undefined ) material.iridescence = json.iridescence;\n\t\tif ( json.iridescenceIOR !== undefined ) material.iridescenceIOR = json.iridescenceIOR;\n\t\tif ( json.iridescenceThicknessRange !== undefined ) material.iridescenceThicknessRange = json.iridescenceThicknessRange;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== 1 ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Deprecated\n\n\t\tif ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.iridescenceMap !== undefined ) material.iridescenceMap = getTexture( json.iridescenceMap );\n\t\tif ( json.iridescenceThicknessMap !== undefined ) material.iridescenceThicknessMap = getTexture( json.iridescenceThicknessMap );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n\tstatic createMaterialFromType( type ) {\n\n\t\tconst materialLib = {\n\t\t\tShadowMaterial,\n\t\t\tSpriteMaterial,\n\t\t\tRawShaderMaterial,\n\t\t\tShaderMaterial,\n\t\t\tPointsMaterial,\n\t\t\tMeshPhysicalMaterial,\n\t\t\tMeshStandardMaterial,\n\t\t\tMeshPhongMaterial,\n\t\t\tMeshToonMaterial,\n\t\t\tMeshNormalMaterial,\n\t\t\tMeshLambertMaterial,\n\t\t\tMeshDepthMaterial,\n\t\t\tMeshDistanceMaterial,\n\t\t\tMeshBasicMaterial,\n\t\t\tMeshMatcapMaterial,\n\t\t\tLineDashedMaterial,\n\t\t\tLineBasicMaterial,\n\t\t\tMaterial\n\t\t};\n\n\t\treturn new materialLib[ type ]();\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) {\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.slice( 0, index + 1 );\n\n\t}\n\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isInstancedBufferGeometry = true;\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON( this );\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tif ( attribute.updateRange !== undefined ) {\n\n\t\t\t\tbufferAttribute.updateRange.offset = attribute.updateRange.offset;\n\t\t\t\tbufferAttribute.updateRange.count = attribute.updateRange.count;\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ].data instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\tconsole.error( 'THREE.ObjectLoader: The legacy Geometry type is no longer supported.' );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.type === 'MultiMaterial' ) {\n\n\t\t\t\t\t// Deprecated\n\n\t\t\t\t\tconst array = [];\n\n\t\t\t\t\tfor ( let j = 0; j < data.materials.length; j ++ ) {\n\n\t\t\t\t\t\tconst material = data.materials[ j ];\n\n\t\t\t\t\t\tif ( cache[ material.uuid ] === undefined ) {\n\n\t\t\t\t\t\t\tcache[ material.uuid ] = loader.parse( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tarray.push( cache[ material.uuid ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = array;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tconst source = images[ data.image ];\n\t\t\t\tconst image = source.data;\n\n\t\t\t\tlet texture;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture();\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.source = source;\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.encoding !== undefined ) texture.encoding = data.encoding;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.isImageBitmapLoader = true;\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tfetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nlet _context;\n\nconst AudioContext = {\n\n\tgetContext: function () {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t},\n\n\tsetContext: function ( value ) {\n\n\t\t_context = value;\n\n\t}\n\n};\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n}\n\nclass HemisphereLightProbe extends LightProbe {\n\n\tconstructor( skyColor, groundColor, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.isHemisphereLightProbe = true;\n\n\t\tconst color1 = new Color().set( skyColor );\n\t\tconst color2 = new Color().set( groundColor );\n\n\t\tconst sky = new Vector3( color1.r, color1.g, color1.b );\n\t\tconst ground = new Vector3( color2.r, color2.g, color2.b );\n\n\t\t// without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI );\n\t\tconst c0 = Math.sqrt( Math.PI );\n\t\tconst c1 = c0 * Math.sqrt( 0.75 );\n\n\t\tthis.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 );\n\t\tthis.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 );\n\n\t}\n\n}\n\nclass AmbientLightProbe extends LightProbe {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.isAmbientLightProbe = true;\n\n\t\tconst color1 = new Color().set( color );\n\n\t\t// without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI );\n\t\tthis.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) );\n\n\t}\n\n}\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tthis.source.stop();\n\t\tthis.source.onended = null;\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.source.detune === undefined ) return; // only set detune when available\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tdisconnect() {\n\n\t\tsuper.disconnect();\n\n\t\tthis.panner.disconnect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /*@__PURE__*/ /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /*@__PURE__*/ /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /*@__PURE__*/ /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /*@__PURE__*/ /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( matches === null ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( nodeName === undefined || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\\'t found.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n * - Add objects you would otherwise pass as 'root' to the\n * constructor or the .clipAction method of AnimationMixer.\n *\n * - Instead pass this object as 'root'.\n *\n * - You can also add and remove objects later when the mixer\n * is running.\n *\n * Note:\n *\n * Objects of this class appear as one object to the mixer,\n * so cache control of the individual objects must be done\n * on the group.\n *\n * Limitation:\n *\n * - The animated properties must be compatible among the\n * all objects in the group.\n *\n * - A single property can either be controlled through a\n * target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.isAnimationObjectGroup = true;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t}\n\n\t\t\t// start\n\n\t\t\tthis._startTime = null; // unschedule\n\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _controlInterpolantsResultBuffer = new Float32Array( 1 );\n\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions >| inactive actions ]\n\t\t// s a\n\t\t// <-swap->\n\t\t// a s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions |< inactive actions ]\n\t\t// a s\n\t\t// <-swap->\n\t\t// s a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, _controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nlet id = 0;\n\nclass UniformsGroup extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isUniformsGroup = true;\n\n\t\tObject.defineProperty( this, 'id', { value: id ++ } );\n\n\t\tthis.name = '';\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.uniforms = [];\n\n\t}\n\n\tadd( uniform ) {\n\n\t\tthis.uniforms.push( uniform );\n\n\t\treturn this;\n\n\t}\n\n\tremove( uniform ) {\n\n\t\tconst index = this.uniforms.indexOf( uniform );\n\n\t\tif ( index !== - 1 ) this.uniforms.splice( index, 1 );\n\n\t\treturn this;\n\n\t}\n\n\tsetName( name ) {\n\n\t\tthis.name = name;\n\n\t\treturn this;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.usage = source.usage;\n\n\t\tconst uniformsSource = source.uniforms;\n\n\t\tthis.uniforms.length = 0;\n\n\t\tfor ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {\n\n\t\t\tthis.uniforms.push( uniformsSource[ i ].clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.isInstancedInterleavedBuffer = true;\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.isGLBufferAttribute = true;\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersectObject( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t}\n\n\tif ( recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up.\n * The azimuthal angle (theta) is measured from the positive z-axis.\n */\n\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be between EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.isBox2 = true;\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ? false : true;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$4.copy( point ).clamp( this.min, this.max );\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateMatrixWorld();\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.type = 'SkeletonHelper';\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object.isBone === true ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, radials = 16, circles = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the radials\n\n\t\tfor ( let i = 0; i <= radials; i ++ ) {\n\n\t\t\tconst v = ( i / radials ) * ( Math.PI * 2 );\n\n\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tvertices.push( x, 0, z );\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t}\n\n\t\t// create the circles\n\n\t\tfor ( let i = 0; i <= circles; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / circles * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttps://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2' );\n\t\taddLine( 'n2', 'n4' );\n\t\taddLine( 'n4', 'n3' );\n\t\taddLine( 'n3', 'n1' );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2' );\n\t\taddLine( 'f2', 'f4' );\n\t\taddLine( 'f4', 'f3' );\n\t\taddLine( 'f3', 'f1' );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1' );\n\t\taddLine( 'n2', 'f2' );\n\t\taddLine( 'n3', 'f3' );\n\t\taddLine( 'n4', 'f4' );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1' );\n\t\taddLine( 'p', 'n2' );\n\t\taddLine( 'p', 'n3' );\n\t\taddLine( 'p', 'n4' );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2' );\n\t\taddLine( 'u2', 'u3' );\n\t\taddLine( 'u3', 'u1' );\n\n\t\t// target\n\n\t\taddLine( 'c', 't' );\n\t\taddLine( 'p', 'c' );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2' );\n\t\taddLine( 'cn3', 'cn4' );\n\n\t\taddLine( 'cf1', 'cf2' );\n\t\taddLine( 'cf3', 'cf4' );\n\n\t\tfunction addLine( a, b ) {\n\n\t\t\taddPoint( a );\n\t\t\taddPoint( b );\n\n\t\t}\n\n\t\tfunction addPoint( id ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( 0, 0, 0 );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\tthis.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross );\n\n\t}\n\n\tsetColors( frustum, cone, up, target, cross ) {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst colorAttribute = geometry.getAttribute( 'color' );\n\n\t\t// near\n\n\t\tcolorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); // n1, n2\n\t\tcolorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); // n2, n4\n\t\tcolorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); // n4, n3\n\t\tcolorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); // n3, n1\n\n\t\t// far\n\n\t\tcolorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); // f1, f2\n\t\tcolorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); // f2, f4\n\t\tcolorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); // f4, f3\n\t\tcolorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); // f3, f1\n\n\t\t// sides\n\n\t\tcolorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); // n1, f1\n\t\tcolorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); // n2, f2\n\t\tcolorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); // n3, f3\n\t\tcolorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); // n4, f4\n\n\t\t// cone\n\n\t\tcolorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); // p, n1\n\t\tcolorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); // p, n2\n\t\tcolorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); // p, n3\n\t\tcolorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); // p, n4\n\n\t\t// up\n\n\t\tcolorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); // u1, u2\n\t\tcolorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); // u2, u3\n\t\tcolorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); // u3, u1\n\n\t\t// target\n\n\t\tcolorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); // c, t\n\t\tcolorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); // p, c\n\n\t\t// cross\n\n\t\tcolorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); // cn1, cn2\n\t\tcolorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); // cn3, cn4\n\n\t\tcolorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); // cf1, cf2\n\t\tcolorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); // cf3, cf4\n\n\t\tcolorAttribute.needsUpdate = true;\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// center / target\n\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, - 1, 0, 1, 1, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, - 1, 0, 1, - 1, 0 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tthis.position.set( 0, 0, 0 );\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, 1 );\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tthis.translateZ( - this.plane.constant );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW, noHoles ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tlet toChange = 0;\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange ++;\n\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( toChange > 0 && ambiguous === false ) {\n\n\t\t\t\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\n// Fast Half Float Conversions, http://www.fox-toolkit.org/ftp/fasthalffloatconversion.pdf\n\nconst _tables = /*@__PURE__*/ _generateTables();\n\nfunction _generateTables() {\n\n\t// float32 to float16 helpers\n\n\tconst buffer = new ArrayBuffer( 4 );\n\tconst floatView = new Float32Array( buffer );\n\tconst uint32View = new Uint32Array( buffer );\n\n\tconst baseTable = new Uint32Array( 512 );\n\tconst shiftTable = new Uint32Array( 512 );\n\n\tfor ( let i = 0; i < 256; ++ i ) {\n\n\t\tconst e = i - 127;\n\n\t\t// very small number (0, -0)\n\n\t\tif ( e < - 27 ) {\n\n\t\t\tbaseTable[ i ] = 0x0000;\n\t\t\tbaseTable[ i | 0x100 ] = 0x8000;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// small number (denorm)\n\n\t\t} else if ( e < - 14 ) {\n\n\t\t\tbaseTable[ i ] = 0x0400 >> ( - e - 14 );\n\t\t\tbaseTable[ i | 0x100 ] = ( 0x0400 >> ( - e - 14 ) ) | 0x8000;\n\t\t\tshiftTable[ i ] = - e - 1;\n\t\t\tshiftTable[ i | 0x100 ] = - e - 1;\n\n\t\t\t// normal number\n\n\t\t} else if ( e <= 15 ) {\n\n\t\t\tbaseTable[ i ] = ( e + 15 ) << 10;\n\t\t\tbaseTable[ i | 0x100 ] = ( ( e + 15 ) << 10 ) | 0x8000;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t\t// large number (Infinity, -Infinity)\n\n\t\t} else if ( e < 128 ) {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// stay (NaN, Infinity, -Infinity)\n\n\t\t} else {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t}\n\n\t}\n\n\t// float16 to float32 helpers\n\n\tconst mantissaTable = new Uint32Array( 2048 );\n\tconst exponentTable = new Uint32Array( 64 );\n\tconst offsetTable = new Uint32Array( 64 );\n\n\tfor ( let i = 1; i < 1024; ++ i ) {\n\n\t\tlet m = i << 13; // zero pad mantissa bits\n\t\tlet e = 0; // zero exponent\n\n\t\t// normalized\n\t\twhile ( ( m & 0x00800000 ) === 0 ) {\n\n\t\t\tm <<= 1;\n\t\t\te -= 0x00800000; // decrement exponent\n\n\t\t}\n\n\t\tm &= ~ 0x00800000; // clear leading 1 bit\n\t\te += 0x38800000; // adjust bias\n\n\t\tmantissaTable[ i ] = m | e;\n\n\t}\n\n\tfor ( let i = 1024; i < 2048; ++ i ) {\n\n\t\tmantissaTable[ i ] = 0x38000000 + ( ( i - 1024 ) << 13 );\n\n\t}\n\n\tfor ( let i = 1; i < 31; ++ i ) {\n\n\t\texponentTable[ i ] = i << 23;\n\n\t}\n\n\texponentTable[ 31 ] = 0x47800000;\n\texponentTable[ 32 ] = 0x80000000;\n\n\tfor ( let i = 33; i < 63; ++ i ) {\n\n\t\texponentTable[ i ] = 0x80000000 + ( ( i - 32 ) << 23 );\n\n\t}\n\n\texponentTable[ 63 ] = 0xc7800000;\n\n\tfor ( let i = 1; i < 64; ++ i ) {\n\n\t\tif ( i !== 32 ) {\n\n\t\t\toffsetTable[ i ] = 1024;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tfloatView: floatView,\n\t\tuint32View: uint32View,\n\t\tbaseTable: baseTable,\n\t\tshiftTable: shiftTable,\n\t\tmantissaTable: mantissaTable,\n\t\texponentTable: exponentTable,\n\t\toffsetTable: offsetTable\n\t};\n\n}\n\n// float32 to float16\n\nfunction toHalfFloat( val ) {\n\n\tif ( Math.abs( val ) > 65504 ) console.warn( 'THREE.DataUtils.toHalfFloat(): Value out of range.' );\n\n\tval = clamp( val, - 65504, 65504 );\n\n\t_tables.floatView[ 0 ] = val;\n\tconst f = _tables.uint32View[ 0 ];\n\tconst e = ( f >> 23 ) & 0x1ff;\n\treturn _tables.baseTable[ e ] + ( ( f & 0x007fffff ) >> _tables.shiftTable[ e ] );\n\n}\n\n// float16 to float32\n\nfunction fromHalfFloat( val ) {\n\n\tconst m = val >> 10;\n\t_tables.uint32View[ 0 ] = _tables.mantissaTable[ _tables.offsetTable[ m ] + ( val & 0x3ff ) ] + _tables.exponentTable[ m ];\n\treturn _tables.floatView[ 0 ];\n\n}\n\nvar DataUtils = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\ttoHalfFloat: toHalfFloat,\n\tfromHalfFloat: fromHalfFloat\n});\n\n// r133, c5bb5434555a3c3ddd784944a0a124f996fc721b\n\nclass ParametricGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tconsole.error( 'THREE.ParametricGeometry has been moved to /examples/jsm/geometries/ParametricGeometry.js' );\n\t\tsuper();\n\n\t}\n\n}\n\n// r133, eb58ff153119090d3bbb24474ea0ffc40c70dc92\n\nclass TextGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tconsole.error( 'THREE.TextGeometry has been moved to /examples/jsm/geometries/TextGeometry.js' );\n\t\tsuper();\n\n\t}\n\n}\n\n// r133, eb58ff153119090d3bbb24474ea0ffc40c70dc92\n\nfunction FontLoader() {\n\n\tconsole.error( 'THREE.FontLoader has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\n// r133, eb58ff153119090d3bbb24474ea0ffc40c70dc92\n\nfunction Font() {\n\n\tconsole.error( 'THREE.Font has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\n// r134, d65e0af06644fe5a84a6fc0e372f4318f95a04c0\n\nfunction ImmediateRenderObject() {\n\n\tconsole.error( 'THREE.ImmediateRenderObject has been removed.' );\n\n}\n\n// r138, 48b05d3500acc084df50be9b4c90781ad9b8cb17\n\nclass WebGLMultisampleRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width, height, options ) {\n\n\t\tconsole.error( 'THREE.WebGLMultisampleRenderTarget has been removed. Use a normal render target and set the \"samples\" property to greater 0 to enable multisampling.' );\n\t\tsuper( width, height, options );\n\t\tthis.samples = 4;\n\n\t}\n\n}\n\n// r138, f9cd9cab03b7b64244e304900a3a2eeaa3a588ce\n\nclass DataTexture2DArray extends DataArrayTexture {\n\n\tconstructor( data, width, height, depth ) {\n\n\t\tconsole.warn( 'THREE.DataTexture2DArray has been renamed to DataArrayTexture.' );\n\t\tsuper( data, width, height, depth );\n\n\t}\n\n}\n\n// r138, f9cd9cab03b7b64244e304900a3a2eeaa3a588ce\n\nclass DataTexture3D extends Data3DTexture {\n\n\tconstructor( data, width, height, depth ) {\n\n\t\tconsole.warn( 'THREE.DataTexture3D has been renamed to Data3DTexture.' );\n\t\tsuper( data, width, height, depth );\n\n\t}\n\n}\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AlphaFormat, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightProbe, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BackSide, BasicDepthPacking, BasicShadowMap, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry as BoxBufferGeometry, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry as CapsuleBufferGeometry, CapsuleGeometry, CatmullRomCurve3, CineonToneMapping, CircleGeometry as CircleBufferGeometry, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, ColorManagement, CompressedTexture, CompressedTextureLoader, ConeGeometry as ConeBufferGeometry, ConeGeometry, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry as CylinderBufferGeometry, CylinderGeometry, Cylindrical, Data3DTexture, DataArrayTexture, DataTexture, DataTexture2DArray, DataTexture3D, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry as DodecahedronBufferGeometry, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry as ExtrudeBufferGeometry, ExtrudeGeometry, FileLoader, FlatShading, Float16BufferAttribute, Float32BufferAttribute, Float64BufferAttribute, FloatType, Fog, FogExp2, Font, FontLoader, FramebufferTexture, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GreaterDepth, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, HemisphereLightProbe, IcosahedronGeometry as IcosahedronBufferGeometry, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, ImmediateRenderObject, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry as LatheBufferGeometry, LatheGeometry, Layers, LessDepth, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearEncoding, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry as OctahedronBufferGeometry, OctahedronGeometry, OneFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, ParametricGeometry, Path, PerspectiveCamera, Plane, PlaneGeometry as PlaneBufferGeometry, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry as PolyhedronBufferGeometry, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry as RingBufferGeometry, RingGeometry, SRGBColorSpace, Scene, ShaderChunk, ShaderLib, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry as ShapeBufferGeometry, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SmoothShading, Source, Sphere, SphereGeometry as SphereBufferGeometry, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry as TetrahedronBufferGeometry, TetrahedronGeometry, TextGeometry, Texture, TextureLoader, TorusGeometry as TorusBufferGeometry, TorusGeometry, TorusKnotGeometry as TorusKnotBufferGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry as TubeBufferGeometry, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, VideoTexture, WebGL1Renderer, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLMultisampleRenderTarget, WebGLRenderTarget, WebGLRenderer, WebGLUtils, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, _SRGBAFormat, sRGBEncoding };\n","import {\n\tEventDispatcher,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3\n} from 'three';\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one-finger move\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\n\nclass OrbitControls extends EventDispatcher {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper();\n\n\t\tif ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter \"domElement\" is now mandatory.' );\n\t\tif ( domElement === document ) console.error( 'THREE.OrbitControls: \"document\" should not be used as the target \"domElement\". Please use \"renderer.domElement\" instead.' );\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.getDistance = function () {\n\n\t\t\treturn this.object.position.distanceTo( this.target );\n\n\t\t};\n\n\t\tthis.listenToKeyEvents = function ( domElement ) {\n\n\t\t\tdomElement.addEventListener( 'keydown', onKeyDown );\n\t\t\tthis._domElementKeyEvents = domElement;\n\n\t\t};\n\n\t\tthis.saveState = function () {\n\n\t\t\tscope.target0.copy( scope.target );\n\t\t\tscope.position0.copy( scope.object.position );\n\t\t\tscope.zoom0 = scope.object.zoom;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tconst quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\t\tconst quatInverse = quat.clone().invert();\n\n\t\t\tconst lastPosition = new Vector3();\n\t\t\tconst lastQuaternion = new Quaternion();\n\n\t\t\tconst twoPI = 2 * Math.PI;\n\n\t\t\treturn function update() {\n\n\t\t\t\tconst position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tif ( scope.enableDamping ) {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta * scope.dampingFactor;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi * scope.dampingFactor;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t}\n\n\t\t\t\t// restrict theta to be between desired limits\n\n\t\t\t\tlet min = scope.minAzimuthAngle;\n\t\t\t\tlet max = scope.maxAzimuthAngle;\n\n\t\t\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\t\t\tif ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI;\n\n\t\t\t\t\tif ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI;\n\n\t\t\t\t\tif ( min <= max ) {\n\n\t\t\t\t\t\tspherical.theta = Math.max( min, Math.min( max, spherical.theta ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tspherical.theta = ( spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\t\t\tMath.max( min, spherical.theta ) :\n\t\t\t\t\t\t\tMath.min( max, spherical.theta );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tscope.target.addScaledVector( panOffset, scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\t}\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t\tpanOffset.multiplyScalar( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function () {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu );\n\n\t\t\tscope.domElement.removeEventListener( 'pointerdown', onPointerDown );\n\t\t\tscope.domElement.removeEventListener( 'pointercancel', onPointerCancel );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel );\n\n\t\t\tscope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t\tscope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\n\t\t\tif ( scope._domElementKeyEvents !== null ) {\n\n\t\t\t\tscope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );\n\n\t\t\t}\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tconst scope = this;\n\n\t\tconst STATE = {\n\t\t\tNONE: - 1,\n\t\t\tROTATE: 0,\n\t\t\tDOLLY: 1,\n\t\t\tPAN: 2,\n\t\t\tTOUCH_ROTATE: 3,\n\t\t\tTOUCH_PAN: 4,\n\t\t\tTOUCH_DOLLY_PAN: 5,\n\t\t\tTOUCH_DOLLY_ROTATE: 6\n\t\t};\n\n\t\tlet state = STATE.NONE;\n\n\t\tconst EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tconst spherical = new Spherical();\n\t\tconst sphericalDelta = new Spherical();\n\n\t\tlet scale = 1;\n\t\tconst panOffset = new Vector3();\n\t\tlet zoomChanged = false;\n\n\t\tconst rotateStart = new Vector2();\n\t\tconst rotateEnd = new Vector2();\n\t\tconst rotateDelta = new Vector2();\n\n\t\tconst panStart = new Vector2();\n\t\tconst panEnd = new Vector2();\n\t\tconst panDelta = new Vector2();\n\n\t\tconst dollyStart = new Vector2();\n\t\tconst dollyEnd = new Vector2();\n\t\tconst dollyDelta = new Vector2();\n\n\t\tconst pointers = [];\n\t\tconst pointerPositions = {};\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tconst panLeft = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tconst panUp = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tif ( scope.screenSpacePanning === true ) {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t\t\tv.crossVectors( scope.object.up, v );\n\n\t\t\t\t}\n\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tconst pan = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\treturn function pan( deltaX, deltaY ) {\n\n\t\t\t\tconst element = scope.domElement;\n\n\t\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tconst position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tlet targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tswitch ( event.code ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\t\tevent.preventDefault();\n\n\t\t\t\tscope.update();\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\trotateStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\trotateStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartPan() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\tpanStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly() {\n\n\t\t\tconst dx = pointers[ 0 ].pageX - pointers[ 1 ].pageX;\n\t\t\tconst dy = pointers[ 0 ].pageY - pointers[ 1 ].pageY;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyPan() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enablePan ) handleTouchStartPan();\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyRotate() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enableRotate ) handleTouchStartRotate();\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\tif ( pointers.length == 1 ) {\n\n\t\t\t\trotateEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\trotateEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\tpanEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\tconst dx = event.pageX - position.x;\n\t\t\tconst dy = event.pageY - position.y;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );\n\n\t\t\tdollyOut( dollyDelta.y );\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyPan( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enablePan ) handleTouchMovePan( event );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyRotate( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enableRotate ) handleTouchMoveRotate( event );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onPointerDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( pointers.length === 0 ) {\n\n\t\t\t\tscope.domElement.setPointerCapture( event.pointerId );\n\n\t\t\t\tscope.domElement.addEventListener( 'pointermove', onPointerMove );\n\t\t\t\tscope.domElement.addEventListener( 'pointerup', onPointerUp );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\taddPointer( event );\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchStart( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseDown( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchMove( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseMove( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerUp( event ) {\n\n\t\t removePointer( event );\n\n\t\t if ( pointers.length === 0 ) {\n\n\t\t scope.domElement.releasePointerCapture( event.pointerId );\n\n\t\t scope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t scope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\t\t }\n\n\t\t scope.dispatchEvent( _endEvent );\n\n\t\t state = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onPointerCancel( event ) {\n\n\t\t\tremovePointer( event );\n\n\t\t}\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tlet mouseAction;\n\n\t\t\tswitch ( event.button ) {\n\n\t\t\t\tcase 0:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.LEFT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.MIDDLE;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.RIGHT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tmouseAction = - 1;\n\n\t\t\t}\n\n\t\t\tswitch ( mouseAction ) {\n\n\t\t\t\tcase MOUSE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.ROTATE:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.PAN:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( _endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( pointers.length ) {\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tswitch ( scope.touches.ONE ) {\n\n\t\t\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tswitch ( scope.touches.TWO ) {\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.TOUCH_ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_PAN:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyPan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\tfunction addPointer( event ) {\n\n\t\t\tpointers.push( event );\n\n\t\t}\n\n\t\tfunction removePointer( event ) {\n\n\t\t\tdelete pointerPositions[ event.pointerId ];\n\n\t\t\tfor ( let i = 0; i < pointers.length; i ++ ) {\n\n\t\t\t\tif ( pointers[ i ].pointerId == event.pointerId ) {\n\n\t\t\t\t\tpointers.splice( i, 1 );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction trackPointer( event ) {\n\n\t\t\tlet position = pointerPositions[ event.pointerId ];\n\n\t\t\tif ( position === undefined ) {\n\n\t\t\t\tposition = new Vector2();\n\t\t\t\tpointerPositions[ event.pointerId ] = position;\n\n\t\t\t}\n\n\t\t\tposition.set( event.pageX, event.pageY );\n\n\t\t}\n\n\t\tfunction getSecondPointerPosition( event ) {\n\n\t\t\tconst pointer = ( event.pointerId === pointers[ 0 ].pointerId ) ? pointers[ 1 ] : pointers[ 0 ];\n\n\t\t\treturn pointerPositions[ pointer.pointerId ];\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu );\n\n\t\tscope.domElement.addEventListener( 'pointerdown', onPointerDown );\n\t\tscope.domElement.addEventListener( 'pointercancel', onPointerCancel );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t}\n\n}\n\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n// This is very similar to OrbitControls, another set of touch behavior\n//\n// Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - left mouse, or arrow keys / touch: one-finger move\n\nclass MapControls extends OrbitControls {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up\n\n\t\tthis.mouseButtons.LEFT = MOUSE.PAN;\n\t\tthis.mouseButtons.RIGHT = MOUSE.ROTATE;\n\n\t\tthis.touches.ONE = TOUCH.PAN;\n\t\tthis.touches.TWO = TOUCH.DOLLY_ROTATE;\n\n\t}\n\n}\n\nexport { OrbitControls, MapControls };\n","import {\n\tCurve,\n\tVector3,\n\tVector4\n} from 'three';\nimport * as NURBSUtils from '../curves/NURBSUtils.js';\n\n/**\n * NURBS curve object\n *\n * Derives from Curve, overriding getPoint and getTangent.\n *\n * Implementation is based on (x, y [, z=0 [, w=1]]) control points with w=weight.\n *\n **/\n\nclass NURBSCurve extends Curve {\n\n\tconstructor(\n\t\tdegree,\n\t\tknots /* array of reals */,\n\t\tcontrolPoints /* array of Vector(2|3|4) */,\n\t\tstartKnot /* index in knots */,\n\t\tendKnot /* index in knots */\n\t) {\n\n\t\tsuper();\n\n\t\tthis.degree = degree;\n\t\tthis.knots = knots;\n\t\tthis.controlPoints = [];\n\t\t// Used by periodic NURBS to remove hidden spans\n\t\tthis.startKnot = startKnot || 0;\n\t\tthis.endKnot = endKnot || ( this.knots.length - 1 );\n\n\t\tfor ( let i = 0; i < controlPoints.length; ++ i ) {\n\n\t\t\t// ensure Vector4 for control points\n\t\t\tconst point = controlPoints[ i ];\n\t\t\tthis.controlPoints[ i ] = new Vector4( point.x, point.y, point.z, point.w );\n\n\t\t}\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst u = this.knots[ this.startKnot ] + t * ( this.knots[ this.endKnot ] - this.knots[ this.startKnot ] ); // linear mapping t->u\n\n\t\t// following results in (wx, wy, wz, w) homogeneous point\n\t\tconst hpoint = NURBSUtils.calcBSplinePoint( this.degree, this.knots, this.controlPoints, u );\n\n\t\tif ( hpoint.w !== 1.0 ) {\n\n\t\t\t// project to 3D space: (wx, wy, wz, w) -> (x, y, z, 1)\n\t\t\thpoint.divideScalar( hpoint.w );\n\n\t\t}\n\n\t\treturn point.set( hpoint.x, hpoint.y, hpoint.z );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector3() ) {\n\n\t\tconst tangent = optionalTarget;\n\n\t\tconst u = this.knots[ 0 ] + t * ( this.knots[ this.knots.length - 1 ] - this.knots[ 0 ] );\n\t\tconst ders = NURBSUtils.calcNURBSDerivatives( this.degree, this.knots, this.controlPoints, u, 1 );\n\t\ttangent.copy( ders[ 1 ] ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n}\n\nexport { NURBSCurve };\n","import {\n\tVector3,\n\tVector4\n} from 'three';\n\n/**\n * NURBS utils\n *\n * See NURBSCurve and NURBSSurface.\n **/\n\n\n/**************************************************************\n *\tNURBS Utils\n **************************************************************/\n\n/*\nFinds knot vector span.\n\np : degree\nu : parametric value\nU : knot vector\n\nreturns the span\n*/\nfunction findSpan( p, u, U ) {\n\n\tconst n = U.length - p - 1;\n\n\tif ( u >= U[ n ] ) {\n\n\t\treturn n - 1;\n\n\t}\n\n\tif ( u <= U[ p ] ) {\n\n\t\treturn p;\n\n\t}\n\n\tlet low = p;\n\tlet high = n;\n\tlet mid = Math.floor( ( low + high ) / 2 );\n\n\twhile ( u < U[ mid ] || u >= U[ mid + 1 ] ) {\n\n\t\tif ( u < U[ mid ] ) {\n\n\t\t\thigh = mid;\n\n\t\t} else {\n\n\t\t\tlow = mid;\n\n\t\t}\n\n\t\tmid = Math.floor( ( low + high ) / 2 );\n\n\t}\n\n\treturn mid;\n\n}\n\n\n/*\nCalculate basis functions. See The NURBS Book, page 70, algorithm A2.2\n\nspan : span in which u lies\nu : parametric point\np : degree\nU : knot vector\n\nreturns array[p+1] with basis functions values.\n*/\nfunction calcBasisFunctions( span, u, p, U ) {\n\n\tconst N = [];\n\tconst left = [];\n\tconst right = [];\n\tN[ 0 ] = 1.0;\n\n\tfor ( let j = 1; j <= p; ++ j ) {\n\n\t\tleft[ j ] = u - U[ span + 1 - j ];\n\t\tright[ j ] = U[ span + j ] - u;\n\n\t\tlet saved = 0.0;\n\n\t\tfor ( let r = 0; r < j; ++ r ) {\n\n\t\t\tconst rv = right[ r + 1 ];\n\t\t\tconst lv = left[ j - r ];\n\t\t\tconst temp = N[ r ] / ( rv + lv );\n\t\t\tN[ r ] = saved + rv * temp;\n\t\t\tsaved = lv * temp;\n\n\t\t}\n\n\t\tN[ j ] = saved;\n\n\t}\n\n\treturn N;\n\n}\n\n\n/*\nCalculate B-Spline curve points. See The NURBS Book, page 82, algorithm A3.1.\n\np : degree of B-Spline\nU : knot vector\nP : control points (x, y, z, w)\nu : parametric point\n\nreturns point for given u\n*/\nfunction calcBSplinePoint( p, U, P, u ) {\n\n\tconst span = findSpan( p, u, U );\n\tconst N = calcBasisFunctions( span, u, p, U );\n\tconst C = new Vector4( 0, 0, 0, 0 );\n\n\tfor ( let j = 0; j <= p; ++ j ) {\n\n\t\tconst point = P[ span - p + j ];\n\t\tconst Nj = N[ j ];\n\t\tconst wNj = point.w * Nj;\n\t\tC.x += point.x * wNj;\n\t\tC.y += point.y * wNj;\n\t\tC.z += point.z * wNj;\n\t\tC.w += point.w * Nj;\n\n\t}\n\n\treturn C;\n\n}\n\n\n/*\nCalculate basis functions derivatives. See The NURBS Book, page 72, algorithm A2.3.\n\nspan : span in which u lies\nu : parametric point\np : degree\nn : number of derivatives to calculate\nU : knot vector\n\nreturns array[n+1][p+1] with basis functions derivatives\n*/\nfunction calcBasisFunctionDerivatives( span, u, p, n, U ) {\n\n\tconst zeroArr = [];\n\tfor ( let i = 0; i <= p; ++ i )\n\t\tzeroArr[ i ] = 0.0;\n\n\tconst ders = [];\n\n\tfor ( let i = 0; i <= n; ++ i )\n\t\tders[ i ] = zeroArr.slice( 0 );\n\n\tconst ndu = [];\n\n\tfor ( let i = 0; i <= p; ++ i )\n\t\tndu[ i ] = zeroArr.slice( 0 );\n\n\tndu[ 0 ][ 0 ] = 1.0;\n\n\tconst left = zeroArr.slice( 0 );\n\tconst right = zeroArr.slice( 0 );\n\n\tfor ( let j = 1; j <= p; ++ j ) {\n\n\t\tleft[ j ] = u - U[ span + 1 - j ];\n\t\tright[ j ] = U[ span + j ] - u;\n\n\t\tlet saved = 0.0;\n\n\t\tfor ( let r = 0; r < j; ++ r ) {\n\n\t\t\tconst rv = right[ r + 1 ];\n\t\t\tconst lv = left[ j - r ];\n\t\t\tndu[ j ][ r ] = rv + lv;\n\n\t\t\tconst temp = ndu[ r ][ j - 1 ] / ndu[ j ][ r ];\n\t\t\tndu[ r ][ j ] = saved + rv * temp;\n\t\t\tsaved = lv * temp;\n\n\t\t}\n\n\t\tndu[ j ][ j ] = saved;\n\n\t}\n\n\tfor ( let j = 0; j <= p; ++ j ) {\n\n\t\tders[ 0 ][ j ] = ndu[ j ][ p ];\n\n\t}\n\n\tfor ( let r = 0; r <= p; ++ r ) {\n\n\t\tlet s1 = 0;\n\t\tlet s2 = 1;\n\n\t\tconst a = [];\n\t\tfor ( let i = 0; i <= p; ++ i ) {\n\n\t\t\ta[ i ] = zeroArr.slice( 0 );\n\n\t\t}\n\n\t\ta[ 0 ][ 0 ] = 1.0;\n\n\t\tfor ( let k = 1; k <= n; ++ k ) {\n\n\t\t\tlet d = 0.0;\n\t\t\tconst rk = r - k;\n\t\t\tconst pk = p - k;\n\n\t\t\tif ( r >= k ) {\n\n\t\t\t\ta[ s2 ][ 0 ] = a[ s1 ][ 0 ] / ndu[ pk + 1 ][ rk ];\n\t\t\t\td = a[ s2 ][ 0 ] * ndu[ rk ][ pk ];\n\n\t\t\t}\n\n\t\t\tconst j1 = ( rk >= - 1 ) ? 1 : - rk;\n\t\t\tconst j2 = ( r - 1 <= pk ) ? k - 1 : p - r;\n\n\t\t\tfor ( let j = j1; j <= j2; ++ j ) {\n\n\t\t\t\ta[ s2 ][ j ] = ( a[ s1 ][ j ] - a[ s1 ][ j - 1 ] ) / ndu[ pk + 1 ][ rk + j ];\n\t\t\t\td += a[ s2 ][ j ] * ndu[ rk + j ][ pk ];\n\n\t\t\t}\n\n\t\t\tif ( r <= pk ) {\n\n\t\t\t\ta[ s2 ][ k ] = - a[ s1 ][ k - 1 ] / ndu[ pk + 1 ][ r ];\n\t\t\t\td += a[ s2 ][ k ] * ndu[ r ][ pk ];\n\n\t\t\t}\n\n\t\t\tders[ k ][ r ] = d;\n\n\t\t\tconst j = s1;\n\t\t\ts1 = s2;\n\t\t\ts2 = j;\n\n\t\t}\n\n\t}\n\n\tlet r = p;\n\n\tfor ( let k = 1; k <= n; ++ k ) {\n\n\t\tfor ( let j = 0; j <= p; ++ j ) {\n\n\t\t\tders[ k ][ j ] *= r;\n\n\t\t}\n\n\t\tr *= p - k;\n\n\t}\n\n\treturn ders;\n\n}\n\n\n/*\n\tCalculate derivatives of a B-Spline. See The NURBS Book, page 93, algorithm A3.2.\n\n\tp : degree\n\tU : knot vector\n\tP : control points\n\tu : Parametric points\n\tnd : number of derivatives\n\n\treturns array[d+1] with derivatives\n\t*/\nfunction calcBSplineDerivatives( p, U, P, u, nd ) {\n\n\tconst du = nd < p ? nd : p;\n\tconst CK = [];\n\tconst span = findSpan( p, u, U );\n\tconst nders = calcBasisFunctionDerivatives( span, u, p, du, U );\n\tconst Pw = [];\n\n\tfor ( let i = 0; i < P.length; ++ i ) {\n\n\t\tconst point = P[ i ].clone();\n\t\tconst w = point.w;\n\n\t\tpoint.x *= w;\n\t\tpoint.y *= w;\n\t\tpoint.z *= w;\n\n\t\tPw[ i ] = point;\n\n\t}\n\n\tfor ( let k = 0; k <= du; ++ k ) {\n\n\t\tconst point = Pw[ span - p ].clone().multiplyScalar( nders[ k ][ 0 ] );\n\n\t\tfor ( let j = 1; j <= p; ++ j ) {\n\n\t\t\tpoint.add( Pw[ span - p + j ].clone().multiplyScalar( nders[ k ][ j ] ) );\n\n\t\t}\n\n\t\tCK[ k ] = point;\n\n\t}\n\n\tfor ( let k = du + 1; k <= nd + 1; ++ k ) {\n\n\t\tCK[ k ] = new Vector4( 0, 0, 0 );\n\n\t}\n\n\treturn CK;\n\n}\n\n\n/*\nCalculate \"K over I\"\n\nreturns k!/(i!(k-i)!)\n*/\nfunction calcKoverI( k, i ) {\n\n\tlet nom = 1;\n\n\tfor ( let j = 2; j <= k; ++ j ) {\n\n\t\tnom *= j;\n\n\t}\n\n\tlet denom = 1;\n\n\tfor ( let j = 2; j <= i; ++ j ) {\n\n\t\tdenom *= j;\n\n\t}\n\n\tfor ( let j = 2; j <= k - i; ++ j ) {\n\n\t\tdenom *= j;\n\n\t}\n\n\treturn nom / denom;\n\n}\n\n\n/*\nCalculate derivatives (0-nd) of rational curve. See The NURBS Book, page 127, algorithm A4.2.\n\nPders : result of function calcBSplineDerivatives\n\nreturns array with derivatives for rational curve.\n*/\nfunction calcRationalCurveDerivatives( Pders ) {\n\n\tconst nd = Pders.length;\n\tconst Aders = [];\n\tconst wders = [];\n\n\tfor ( let i = 0; i < nd; ++ i ) {\n\n\t\tconst point = Pders[ i ];\n\t\tAders[ i ] = new Vector3( point.x, point.y, point.z );\n\t\twders[ i ] = point.w;\n\n\t}\n\n\tconst CK = [];\n\n\tfor ( let k = 0; k < nd; ++ k ) {\n\n\t\tconst v = Aders[ k ].clone();\n\n\t\tfor ( let i = 1; i <= k; ++ i ) {\n\n\t\t\tv.sub( CK[ k - i ].clone().multiplyScalar( calcKoverI( k, i ) * wders[ i ] ) );\n\n\t\t}\n\n\t\tCK[ k ] = v.divideScalar( wders[ 0 ] );\n\n\t}\n\n\treturn CK;\n\n}\n\n\n/*\nCalculate NURBS curve derivatives. See The NURBS Book, page 127, algorithm A4.2.\n\np : degree\nU : knot vector\nP : control points in homogeneous space\nu : parametric points\nnd : number of derivatives\n\nreturns array with derivatives.\n*/\nfunction calcNURBSDerivatives( p, U, P, u, nd ) {\n\n\tconst Pders = calcBSplineDerivatives( p, U, P, u, nd );\n\treturn calcRationalCurveDerivatives( Pders );\n\n}\n\n\n/*\nCalculate rational B-Spline surface point. See The NURBS Book, page 134, algorithm A4.3.\n\np1, p2 : degrees of B-Spline surface\nU1, U2 : knot vectors\nP : control points (x, y, z, w)\nu, v : parametric values\n\nreturns point for given (u, v)\n*/\nfunction calcSurfacePoint( p, q, U, V, P, u, v, target ) {\n\n\tconst uspan = findSpan( p, u, U );\n\tconst vspan = findSpan( q, v, V );\n\tconst Nu = calcBasisFunctions( uspan, u, p, U );\n\tconst Nv = calcBasisFunctions( vspan, v, q, V );\n\tconst temp = [];\n\n\tfor ( let l = 0; l <= q; ++ l ) {\n\n\t\ttemp[ l ] = new Vector4( 0, 0, 0, 0 );\n\t\tfor ( let k = 0; k <= p; ++ k ) {\n\n\t\t\tconst point = P[ uspan - p + k ][ vspan - q + l ].clone();\n\t\t\tconst w = point.w;\n\t\t\tpoint.x *= w;\n\t\t\tpoint.y *= w;\n\t\t\tpoint.z *= w;\n\t\t\ttemp[ l ].add( point.multiplyScalar( Nu[ k ] ) );\n\n\t\t}\n\n\t}\n\n\tconst Sw = new Vector4( 0, 0, 0, 0 );\n\tfor ( let l = 0; l <= q; ++ l ) {\n\n\t\tSw.add( temp[ l ].multiplyScalar( Nv[ l ] ) );\n\n\t}\n\n\tSw.divideScalar( Sw.w );\n\ttarget.set( Sw.x, Sw.y, Sw.z );\n\n}\n\n\n\nexport {\n\tfindSpan,\n\tcalcBasisFunctions,\n\tcalcBSplinePoint,\n\tcalcBasisFunctionDerivatives,\n\tcalcBSplineDerivatives,\n\tcalcKoverI,\n\tcalcRationalCurveDerivatives,\n\tcalcNURBSDerivatives,\n\tcalcSurfacePoint,\n};\n","import {\n\tColor,\n\tDoubleSide,\n\tMatrix4,\n\tMeshBasicMaterial\n} from 'three';\n\n/**\n * https://github.com/gkjohnson/collada-exporter-js\n *\n * Usage:\n * const exporter = new ColladaExporter();\n *\n * const data = exporter.parse(mesh);\n *\n * Format Definition:\n * https://www.khronos.org/collada/\n */\n\nclass ColladaExporter {\n\n\tparse( object, onDone, options = {} ) {\n\n\t\toptions = Object.assign( {\n\t\t\tversion: '1.4.1',\n\t\t\tauthor: null,\n\t\t\ttextureDirectory: '',\n\t\t\tupAxis: 'Y_UP',\n\t\t\tunitName: null,\n\t\t\tunitMeter: null,\n\t\t}, options );\n\n\t\tif ( options.upAxis.match( /^[XYZ]_UP$/ ) === null ) {\n\n\t\t\tconsole.error( 'ColladaExporter: Invalid upAxis: valid values are X_UP, Y_UP or Z_UP.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( options.unitName !== null && options.unitMeter === null ) {\n\n\t\t\tconsole.error( 'ColladaExporter: unitMeter needs to be specified if unitName is specified.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( options.unitMeter !== null && options.unitName === null ) {\n\n\t\t\tconsole.error( 'ColladaExporter: unitName needs to be specified if unitMeter is specified.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( options.textureDirectory !== '' ) {\n\n\t\t\toptions.textureDirectory = `${ options.textureDirectory }/`\n\t\t\t\t.replace( /\\\\/g, '/' )\n\t\t\t\t.replace( /\\/+/g, '/' );\n\n\t\t}\n\n\t\tconst version = options.version;\n\n\t\tif ( version !== '1.4.1' && version !== '1.5.0' ) {\n\n\t\t\tconsole.warn( `ColladaExporter : Version ${ version } not supported for export. Only 1.4.1 and 1.5.0.` );\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Convert the urdf xml into a well-formatted, indented format\n\t\tfunction format( urdf ) {\n\n\t\t\tconst IS_END_TAG = /^<\\//;\n\t\t\tconst IS_SELF_CLOSING = /(\\?>$)|(\\/>$)/;\n\t\t\tconst HAS_TEXT = /<[^>]+>[^<]*<\\/[^<]+>/;\n\n\t\t\tconst pad = ( ch, num ) => ( num > 0 ? ch + pad( ch, num - 1 ) : '' );\n\n\t\t\tlet tagnum = 0;\n\n\t\t\treturn urdf\n\t\t\t\t.match( /(<[^>]+>[^<]+<\\/[^<]+>)|(<[^>]+>)/g )\n\t\t\t\t.map( tag => {\n\n\t\t\t\t\tif ( ! HAS_TEXT.test( tag ) && ! IS_SELF_CLOSING.test( tag ) && IS_END_TAG.test( tag ) ) {\n\n\t\t\t\t\t\ttagnum --;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst res = `${ pad( ' ', tagnum ) }${ tag }`;\n\n\t\t\t\t\tif ( ! HAS_TEXT.test( tag ) && ! IS_SELF_CLOSING.test( tag ) && ! IS_END_TAG.test( tag ) ) {\n\n\t\t\t\t\t\ttagnum ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn res;\n\n\t\t\t\t} )\n\t\t\t\t.join( '\\n' );\n\n\t\t}\n\n\t\t// Convert an image into a png format for saving\n\t\tfunction base64ToBuffer( str ) {\n\n\t\t\tconst b = atob( str );\n\t\t\tconst buf = new Uint8Array( b.length );\n\n\t\t\tfor ( let i = 0, l = buf.length; i < l; i ++ ) {\n\n\t\t\t\tbuf[ i ] = b.charCodeAt( i );\n\n\t\t\t}\n\n\t\t\treturn buf;\n\n\t\t}\n\n\t\tlet canvas, ctx;\n\n\t\tfunction imageToData( image, ext ) {\n\n\t\t\tcanvas = canvas || document.createElement( 'canvas' );\n\t\t\tctx = ctx || canvas.getContext( '2d' );\n\n\t\t\tcanvas.width = image.width;\n\t\t\tcanvas.height = image.height;\n\n\t\t\tctx.drawImage( image, 0, 0 );\n\n\t\t\t// Get the base64 encoded data\n\t\t\tconst base64data = canvas\n\t\t\t\t.toDataURL( `image/${ ext }`, 1 )\n\t\t\t\t.replace( /^data:image\\/(png|jpg);base64,/, '' );\n\n\t\t\t// Convert to a uint8 array\n\t\t\treturn base64ToBuffer( base64data );\n\n\t\t}\n\n\t\t// gets the attribute array. Generate a new array if the attribute is interleaved\n\t\tconst getFuncs = [ 'getX', 'getY', 'getZ', 'getW' ];\n\t\tconst tempColor = new Color();\n\n\t\tfunction attrBufferToArray( attr, isColor = false ) {\n\n\t\t\tif ( isColor ) {\n\n\t\t\t\t// convert the colors to srgb before export\n\t\t\t\t// colors are always written as floats\n\t\t\t\tconst arr = new Float32Array( attr.count * 3 );\n\t\t\t\tfor ( let i = 0, l = attr.count; i < l; i ++ ) {\n\n\t\t\t\t\ttempColor\n\t\t\t\t\t\t.fromBufferAttribute( attr, i )\n\t\t\t\t\t\t.convertLinearToSRGB();\n\n\t\t\t\t\tarr[ 3 * i + 0 ] = tempColor.r;\n\t\t\t\t\tarr[ 3 * i + 1 ] = tempColor.g;\n\t\t\t\t\tarr[ 3 * i + 2 ] = tempColor.b;\n\n\t\t\t\t}\n\n\t\t\t\treturn arr;\n\n\t\t\t} else if ( attr.isInterleavedBufferAttribute ) {\n\n\t\t\t\t// use the typed array constructor to save on memory\n\t\t\t\tconst arr = new attr.array.constructor( attr.count * attr.itemSize );\n\t\t\t\tconst size = attr.itemSize;\n\n\t\t\t\tfor ( let i = 0, l = attr.count; i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < size; j ++ ) {\n\n\t\t\t\t\t\tarr[ i * size + j ] = attr[ getFuncs[ j ] ]( i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn arr;\n\n\t\t\t} else {\n\n\t\t\t\treturn attr.array;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Returns an array of the same type starting at the `st` index,\n\t\t// and `ct` length\n\t\tfunction subArray( arr, st, ct ) {\n\n\t\t\tif ( Array.isArray( arr ) ) return arr.slice( st, st + ct );\n\t\t\telse return new arr.constructor( arr.buffer, st * arr.BYTES_PER_ELEMENT, ct );\n\n\t\t}\n\n\t\t// Returns the string for a geometry's attribute\n\t\tfunction getAttribute( attr, name, params, type, isColor = false ) {\n\n\t\t\tconst array = attrBufferToArray( attr, isColor );\n\t\t\tconst res =\n\t\t\t\t\t`` +\n\n\t\t\t\t\t`` +\n\t\t\t\t\tarray.join( ' ' ) +\n\t\t\t\t\t'' +\n\n\t\t\t\t\t'' +\n\t\t\t\t\t`` +\n\n\t\t\t\t\tparams.map( n => `` ).join( '' ) +\n\n\t\t\t\t\t'' +\n\t\t\t\t\t'' +\n\t\t\t\t\t'';\n\n\t\t\treturn res;\n\n\t\t}\n\n\t\t// Returns the string for a node's transform information\n\t\tlet transMat;\n\t\tfunction getTransform( o ) {\n\n\t\t\t// ensure the object's matrix is up to date\n\t\t\t// before saving the transform\n\t\t\to.updateMatrix();\n\n\t\t\ttransMat = transMat || new Matrix4();\n\t\t\ttransMat.copy( o.matrix );\n\t\t\ttransMat.transpose();\n\t\t\treturn `${ transMat.toArray().join( ' ' ) }`;\n\n\t\t}\n\n\t\t// Process the given piece of geometry into the geometry library\n\t\t// Returns the mesh id\n\t\tfunction processGeometry( g ) {\n\n\t\t\tlet info = geometryInfo.get( g );\n\n\t\t\tif ( ! info ) {\n\n\t\t\t\t// convert the geometry to bufferGeometry if it isn't already\n\t\t\t\tconst bufferGeometry = g;\n\n\t\t\t\tif ( bufferGeometry.isBufferGeometry !== true ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.ColladaExporter: Geometry is not of type THREE.BufferGeometry.' );\n\n\t\t\t\t}\n\n\t\t\t\tconst meshid = `Mesh${ libraryGeometries.length + 1 }`;\n\n\t\t\t\tconst indexCount =\n\t\t\t\t\tbufferGeometry.index ?\n\t\t\t\t\t\tbufferGeometry.index.count * bufferGeometry.index.itemSize :\n\t\t\t\t\t\tbufferGeometry.attributes.position.count;\n\n\t\t\t\tconst groups =\n\t\t\t\t\tbufferGeometry.groups != null && bufferGeometry.groups.length !== 0 ?\n\t\t\t\t\t\tbufferGeometry.groups :\n\t\t\t\t\t\t[ { start: 0, count: indexCount, materialIndex: 0 } ];\n\n\n\t\t\t\tconst gname = g.name ? ` name=\"${ g.name }\"` : '';\n\t\t\t\tlet gnode = ``;\n\n\t\t\t\t// define the geometry node and the vertices for the geometry\n\t\t\t\tconst posName = `${ meshid }-position`;\n\t\t\t\tconst vertName = `${ meshid }-vertices`;\n\t\t\t\tgnode += getAttribute( bufferGeometry.attributes.position, posName, [ 'X', 'Y', 'Z' ], 'float' );\n\t\t\t\tgnode += ``;\n\n\t\t\t\t// NOTE: We're not optimizing the attribute arrays here, so they're all the same length and\n\t\t\t\t// can therefore share the same triangle indices. However, MeshLab seems to have trouble opening\n\t\t\t\t// models with attributes that share an offset.\n\t\t\t\t// MeshLab Bug#424: https://sourceforge.net/p/meshlab/bugs/424/\n\n\t\t\t\t// serialize normals\n\t\t\t\tlet triangleInputs = ``;\n\t\t\t\tif ( 'normal' in bufferGeometry.attributes ) {\n\n\t\t\t\t\tconst normName = `${ meshid }-normal`;\n\t\t\t\t\tgnode += getAttribute( bufferGeometry.attributes.normal, normName, [ 'X', 'Y', 'Z' ], 'float' );\n\t\t\t\t\ttriangleInputs += ``;\n\n\t\t\t\t}\n\n\t\t\t\t// serialize uvs\n\t\t\t\tif ( 'uv' in bufferGeometry.attributes ) {\n\n\t\t\t\t\tconst uvName = `${ meshid }-texcoord`;\n\t\t\t\t\tgnode += getAttribute( bufferGeometry.attributes.uv, uvName, [ 'S', 'T' ], 'float' );\n\t\t\t\t\ttriangleInputs += ``;\n\n\t\t\t\t}\n\n\t\t\t\t// serialize lightmap uvs\n\t\t\t\tif ( 'uv2' in bufferGeometry.attributes ) {\n\n\t\t\t\t\tconst uvName = `${ meshid }-texcoord2`;\n\t\t\t\t\tgnode += getAttribute( bufferGeometry.attributes.uv2, uvName, [ 'S', 'T' ], 'float' );\n\t\t\t\t\ttriangleInputs += ``;\n\n\t\t\t\t}\n\n\t\t\t\t// serialize colors\n\t\t\t\tif ( 'color' in bufferGeometry.attributes ) {\n\n\t\t\t\t\t// colors are always written as floats\n\t\t\t\t\tconst colName = `${ meshid }-color`;\n\t\t\t\t\tgnode += getAttribute( bufferGeometry.attributes.color, colName, [ 'R', 'G', 'B' ], 'float', true );\n\t\t\t\t\ttriangleInputs += ``;\n\n\t\t\t\t}\n\n\t\t\t\tlet indexArray = null;\n\t\t\t\tif ( bufferGeometry.index ) {\n\n\t\t\t\t\tindexArray = attrBufferToArray( bufferGeometry.index );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArray = new Array( indexCount );\n\t\t\t\t\tfor ( let i = 0, l = indexArray.length; i < l; i ++ ) indexArray[ i ] = i;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst subarr = subArray( indexArray, group.start, group.count );\n\t\t\t\t\tconst polycount = subarr.length / 3;\n\t\t\t\t\tgnode += ``;\n\t\t\t\t\tgnode += triangleInputs;\n\n\t\t\t\t\tgnode += `

${ subarr.join( ' ' ) }

`;\n\t\t\t\t\tgnode += '';\n\n\t\t\t\t}\n\n\t\t\t\tgnode += '';\n\n\t\t\t\tlibraryGeometries.push( gnode );\n\n\t\t\t\tinfo = { meshid: meshid, bufferGeometry: bufferGeometry };\n\t\t\t\tgeometryInfo.set( g, info );\n\n\t\t\t}\n\n\t\t\treturn info;\n\n\t\t}\n\n\t\t// Process the given texture into the image library\n\t\t// Returns the image library\n\t\tfunction processTexture( tex ) {\n\n\t\t\tlet texid = imageMap.get( tex );\n\t\t\tif ( texid == null ) {\n\n\t\t\t\ttexid = `image-${ libraryImages.length + 1 }`;\n\n\t\t\t\tconst ext = 'png';\n\t\t\t\tconst name = tex.name || texid;\n\t\t\t\tlet imageNode = ``;\n\n\t\t\t\tif ( version === '1.5.0' ) {\n\n\t\t\t\t\timageNode += `${ options.textureDirectory }${ name }.${ ext }`;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// version image node 1.4.1\n\t\t\t\t\timageNode += `${ options.textureDirectory }${ name }.${ ext }`;\n\n\t\t\t\t}\n\n\t\t\t\timageNode += '';\n\n\t\t\t\tlibraryImages.push( imageNode );\n\t\t\t\timageMap.set( tex, texid );\n\t\t\t\ttextures.push( {\n\t\t\t\t\tdirectory: options.textureDirectory,\n\t\t\t\t\tname,\n\t\t\t\t\text,\n\t\t\t\t\tdata: imageToData( tex.image, ext ),\n\t\t\t\t\toriginal: tex\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn texid;\n\n\t\t}\n\n\t\t// Process the given material into the material and effect libraries\n\t\t// Returns the material id\n\t\tfunction processMaterial( m ) {\n\n\t\t\tlet matid = materialMap.get( m );\n\n\t\t\tif ( matid == null ) {\n\n\t\t\t\tmatid = `Mat${ libraryEffects.length + 1 }`;\n\n\t\t\t\tlet type = 'phong';\n\n\t\t\t\tif ( m.isMeshLambertMaterial === true ) {\n\n\t\t\t\t\ttype = 'lambert';\n\n\t\t\t\t} else if ( m.isMeshBasicMaterial === true ) {\n\n\t\t\t\t\ttype = 'constant';\n\n\t\t\t\t\tif ( m.map !== null ) {\n\n\t\t\t\t\t\t// The Collada spec does not support diffuse texture maps with the\n\t\t\t\t\t\t// constant shader type.\n\t\t\t\t\t\t// mrdoob/three.js#15469\n\t\t\t\t\t\tconsole.warn( 'ColladaExporter: Texture maps not supported with MeshBasicMaterial.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst emissive = m.emissive ? m.emissive : new Color( 0, 0, 0 );\n\t\t\t\tconst diffuse = m.color ? m.color : new Color( 0, 0, 0 );\n\t\t\t\tconst specular = m.specular ? m.specular : new Color( 1, 1, 1 );\n\t\t\t\tconst shininess = m.shininess || 0;\n\t\t\t\tconst reflectivity = m.reflectivity || 0;\n\n\t\t\t\temissive.convertLinearToSRGB();\n\t\t\t\tspecular.convertLinearToSRGB();\n\t\t\t\tdiffuse.convertLinearToSRGB();\n\n\t\t\t\t// Do not export and alpha map for the reasons mentioned in issue (#13792)\n\t\t\t\t// in three.js alpha maps are black and white, but collada expects the alpha\n\t\t\t\t// channel to specify the transparency\n\t\t\t\tlet transparencyNode = '';\n\t\t\t\tif ( m.transparent === true ) {\n\n\t\t\t\t\ttransparencyNode +=\n\t\t\t\t\t\t'' +\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\tm.map ?\n\t\t\t\t\t\t\t\t'' :\n\t\t\t\t\t\t\t\t'1'\n\t\t\t\t\t\t) +\n\t\t\t\t\t\t'';\n\n\t\t\t\t\tif ( m.opacity < 1 ) {\n\n\t\t\t\t\t\ttransparencyNode += `${ m.opacity }`;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst techniqueNode = `<${ type }>` +\n\n\t\t\t\t\t'' +\n\n\t\t\t\t\t(\n\t\t\t\t\t\tm.emissiveMap ?\n\t\t\t\t\t\t\t'' :\n\t\t\t\t\t\t\t`${ emissive.r } ${ emissive.g } ${ emissive.b } 1`\n\t\t\t\t\t) +\n\n\t\t\t\t\t'' +\n\n\t\t\t\t\t(\n\t\t\t\t\t\ttype !== 'constant' ?\n\t\t\t\t\t\t\t'' +\n\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\tm.map ?\n\t\t\t\t\t\t\t\t'' :\n\t\t\t\t\t\t\t\t`${ diffuse.r } ${ diffuse.g } ${ diffuse.b } 1`\n\t\t\t\t\t\t) +\n\t\t\t\t\t\t''\n\t\t\t\t\t\t\t: ''\n\t\t\t\t\t) +\n\n\t\t\t\t\t(\n\t\t\t\t\t\ttype !== 'constant' ?\n\t\t\t\t\t\t\t'' +\n\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\tm.normalMap ? '' : ''\n\t\t\t\t\t\t) +\n\t\t\t\t\t\t''\n\t\t\t\t\t\t\t: ''\n\t\t\t\t\t) +\n\n\t\t\t\t\t(\n\t\t\t\t\t\ttype === 'phong' ?\n\t\t\t\t\t\t\t`${ specular.r } ${ specular.g } ${ specular.b } 1` +\n\n\t\t\t\t\t\t'' +\n\n\t\t\t\t\t\t(\n\t\t\t\t\t\t\tm.specularMap ?\n\t\t\t\t\t\t\t\t'' :\n\t\t\t\t\t\t\t\t`${ shininess }`\n\t\t\t\t\t\t) +\n\n\t\t\t\t\t\t''\n\t\t\t\t\t\t\t: ''\n\t\t\t\t\t) +\n\n\t\t\t\t\t`${ diffuse.r } ${ diffuse.g } ${ diffuse.b } 1` +\n\n\t\t\t\t\t`${ reflectivity }` +\n\n\t\t\t\t\ttransparencyNode +\n\n\t\t\t\t\t``;\n\n\t\t\t\tconst effectnode =\n\t\t\t\t\t`` +\n\t\t\t\t\t'' +\n\n\t\t\t\t\t(\n\t\t\t\t\t\tm.map ?\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\t`${ processTexture( m.map ) }` +\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\t'diffuse-surface' :\n\t\t\t\t\t\t\t''\n\t\t\t\t\t) +\n\n\t\t\t\t\t(\n\t\t\t\t\t\tm.specularMap ?\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\t`${ processTexture( m.specularMap ) }` +\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\t'specular-surface' :\n\t\t\t\t\t\t\t''\n\t\t\t\t\t) +\n\n\t\t\t\t\t(\n\t\t\t\t\t\tm.emissiveMap ?\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\t`${ processTexture( m.emissiveMap ) }` +\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\t'emissive-surface' :\n\t\t\t\t\t\t\t''\n\t\t\t\t\t) +\n\n\t\t\t\t\t(\n\t\t\t\t\t\tm.normalMap ?\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\t`${ processTexture( m.normalMap ) }` +\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\t'bump-surface' :\n\t\t\t\t\t\t\t''\n\t\t\t\t\t) +\n\n\t\t\t\t\ttechniqueNode +\n\n\t\t\t\t\t(\n\t\t\t\t\t\tm.side === DoubleSide ?\n\t\t\t\t\t\t\t'1' :\n\t\t\t\t\t\t\t''\n\t\t\t\t\t) +\n\n\t\t\t\t\t'' +\n\n\t\t\t\t\t'';\n\n\t\t\t\tconst materialName = m.name ? ` name=\"${ m.name }\"` : '';\n\t\t\t\tconst materialNode = ``;\n\n\t\t\t\tlibraryMaterials.push( materialNode );\n\t\t\t\tlibraryEffects.push( effectnode );\n\t\t\t\tmaterialMap.set( m, matid );\n\n\t\t\t}\n\n\t\t\treturn matid;\n\n\t\t}\n\n\t\t// Recursively process the object into a scene\n\t\tfunction processObject( o ) {\n\n\t\t\tlet node = ``;\n\n\t\t\tnode += getTransform( o );\n\n\t\t\tif ( o.isMesh === true && o.geometry !== null ) {\n\n\t\t\t\t// function returns the id associated with the mesh and a \"BufferGeometry\" version\n\t\t\t\t// of the geometry in case it's not a geometry.\n\t\t\t\tconst geomInfo = processGeometry( o.geometry );\n\t\t\t\tconst meshid = geomInfo.meshid;\n\t\t\t\tconst geometry = geomInfo.bufferGeometry;\n\n\t\t\t\t// ids of the materials to bind to the geometry\n\t\t\t\tlet matids = null;\n\t\t\t\tlet matidsArray;\n\n\t\t\t\t// get a list of materials to bind to the sub groups of the geometry.\n\t\t\t\t// If the amount of subgroups is greater than the materials, than reuse\n\t\t\t\t// the materials.\n\t\t\t\tconst mat = o.material || new MeshBasicMaterial();\n\t\t\t\tconst materials = Array.isArray( mat ) ? mat : [ mat ];\n\n\t\t\t\tif ( geometry.groups.length > materials.length ) {\n\n\t\t\t\t\tmatidsArray = new Array( geometry.groups.length );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmatidsArray = new Array( materials.length );\n\n\t\t\t\t}\n\n\t\t\t\tmatids = matidsArray.fill().map( ( v, i ) => processMaterial( materials[ i % materials.length ] ) );\n\n\t\t\t\tnode +=\n\t\t\t\t\t`` +\n\n\t\t\t\t\t(\n\t\t\t\t\t\tmatids.length > 0 ?\n\t\t\t\t\t\t\t'' +\n\t\t\t\t\t\t\tmatids.map( ( id, i ) =>\n\n\t\t\t\t\t\t\t\t`` +\n\n\t\t\t\t\t\t\t\t'' +\n\n\t\t\t\t\t\t\t\t''\n\t\t\t\t\t\t\t).join( '' ) +\n\t\t\t\t\t\t\t'' :\n\t\t\t\t\t\t\t''\n\t\t\t\t\t) +\n\n\t\t\t\t\t'';\n\n\t\t\t}\n\n\t\t\to.children.forEach( c => node += processObject( c ) );\n\n\t\t\tnode += '';\n\n\t\t\treturn node;\n\n\t\t}\n\n\t\tconst geometryInfo = new WeakMap();\n\t\tconst materialMap = new WeakMap();\n\t\tconst imageMap = new WeakMap();\n\t\tconst textures = [];\n\n\t\tconst libraryImages = [];\n\t\tconst libraryGeometries = [];\n\t\tconst libraryEffects = [];\n\t\tconst libraryMaterials = [];\n\t\tconst libraryVisualScenes = processObject( object );\n\n\t\tconst specLink = version === '1.4.1' ? 'http://www.collada.org/2005/11/COLLADASchema' : 'https://www.khronos.org/collada/';\n\t\tlet dae =\n\t\t\t'' +\n\t\t\t`` +\n\t\t\t'' +\n\t\t\t(\n\t\t\t\t'' +\n\t\t\t\t'three.js Collada Exporter' +\n\t\t\t\t( options.author !== null ? `${ options.author }` : '' ) +\n\t\t\t\t'' +\n\t\t\t\t`${ ( new Date() ).toISOString() }` +\n\t\t\t\t`${ ( new Date() ).toISOString() }` +\n\t\t\t\t( options.unitName !== null ? `` : '' ) +\n\t\t\t\t`${ options.upAxis }`\n\t\t\t) +\n\t\t\t'';\n\n\t\tdae += `${ libraryImages.join( '' ) }`;\n\n\t\tdae += `${ libraryEffects.join( '' ) }`;\n\n\t\tdae += `${ libraryMaterials.join( '' ) }`;\n\n\t\tdae += `${ libraryGeometries.join( '' ) }`;\n\n\t\tdae += `${ libraryVisualScenes }`;\n\n\t\tdae += '';\n\n\t\tdae += '';\n\n\t\tconst res = {\n\t\t\tdata: format( dae ),\n\t\t\ttextures\n\t\t};\n\n\t\tif ( typeof onDone === 'function' ) {\n\n\t\t\trequestAnimationFrame( () => onDone( res ) );\n\n\t\t}\n\n\t\treturn res;\n\n\t}\n\n}\n\n\nexport { ColladaExporter };\n","import {\n\tBufferAttribute,\n\tClampToEdgeWrapping,\n\tDoubleSide,\n\tInterpolateDiscrete,\n\tInterpolateLinear,\n\tLinearEncoding,\n\tLinearFilter,\n\tLinearMipmapLinearFilter,\n\tLinearMipmapNearestFilter,\n\tMathUtils,\n\tMatrix4,\n\tMirroredRepeatWrapping,\n\tNearestFilter,\n\tNearestMipmapLinearFilter,\n\tNearestMipmapNearestFilter,\n\tPropertyBinding,\n\tRGBAFormat,\n\tRepeatWrapping,\n\tScene,\n\tSource,\n\tsRGBEncoding,\n\tVector3\n} from 'three';\n\n\nclass GLTFExporter {\n\n\tconstructor() {\n\n\t\tthis.pluginCallbacks = [];\n\n\t\tthis.register( function ( writer ) {\n\n\t\t\treturn new GLTFLightExtension( writer );\n\n\t\t} );\n\n\t\tthis.register( function ( writer ) {\n\n\t\t\treturn new GLTFMaterialsUnlitExtension( writer );\n\n\t\t} );\n\n\t\tthis.register( function ( writer ) {\n\n\t\t\treturn new GLTFMaterialsPBRSpecularGlossiness( writer );\n\n\t\t} );\n\n\t\tthis.register( function ( writer ) {\n\n\t\t\treturn new GLTFMaterialsTransmissionExtension( writer );\n\n\t\t} );\n\n\t\tthis.register( function ( writer ) {\n\n\t\t\treturn new GLTFMaterialsVolumeExtension( writer );\n\n\t\t} );\n\n\t\tthis.register( function ( writer ) {\n\n\t\t\treturn new GLTFMaterialsClearcoatExtension( writer );\n\n\t\t} );\n\n\t\tthis.register( function ( writer ) {\n\n\t\t\treturn new GLTFMaterialsIridescenceExtension( writer );\n\n\t\t} );\n\n\t}\n\n\tregister( callback ) {\n\n\t\tif ( this.pluginCallbacks.indexOf( callback ) === - 1 ) {\n\n\t\t\tthis.pluginCallbacks.push( callback );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunregister( callback ) {\n\n\t\tif ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) {\n\n\t\t\tthis.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Parse scenes and generate GLTF output\n\t * @param {Scene or [THREE.Scenes]} input Scene or Array of THREE.Scenes\n\t * @param {Function} onDone Callback on completed\n\t * @param {Function} onError Callback on errors\n\t * @param {Object} options options\n\t */\n\tparse( input, onDone, onError, options ) {\n\n\t\tif ( typeof onError === 'object' ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFExporter: parse() expects options as the fourth argument now.' );\n\n\t\t\toptions = onError;\n\n\t\t}\n\n\t\tconst writer = new GLTFWriter();\n\t\tconst plugins = [];\n\n\t\tfor ( let i = 0, il = this.pluginCallbacks.length; i < il; i ++ ) {\n\n\t\t\tplugins.push( this.pluginCallbacks[ i ]( writer ) );\n\n\t\t}\n\n\t\twriter.setPlugins( plugins );\n\t\twriter.write( input, onDone, options ).catch( onError );\n\n\t}\n\n\tparseAsync( input, options ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.parse( input, resolve, reject, options );\n\n\t\t} );\n\n\t}\n\n}\n\n//------------------------------------------------------------------------------\n// Constants\n//------------------------------------------------------------------------------\n\nconst WEBGL_CONSTANTS = {\n\tPOINTS: 0x0000,\n\tLINES: 0x0001,\n\tLINE_LOOP: 0x0002,\n\tLINE_STRIP: 0x0003,\n\tTRIANGLES: 0x0004,\n\tTRIANGLE_STRIP: 0x0005,\n\tTRIANGLE_FAN: 0x0006,\n\n\tUNSIGNED_BYTE: 0x1401,\n\tUNSIGNED_SHORT: 0x1403,\n\tFLOAT: 0x1406,\n\tUNSIGNED_INT: 0x1405,\n\tARRAY_BUFFER: 0x8892,\n\tELEMENT_ARRAY_BUFFER: 0x8893,\n\n\tNEAREST: 0x2600,\n\tLINEAR: 0x2601,\n\tNEAREST_MIPMAP_NEAREST: 0x2700,\n\tLINEAR_MIPMAP_NEAREST: 0x2701,\n\tNEAREST_MIPMAP_LINEAR: 0x2702,\n\tLINEAR_MIPMAP_LINEAR: 0x2703,\n\n\tCLAMP_TO_EDGE: 33071,\n\tMIRRORED_REPEAT: 33648,\n\tREPEAT: 10497\n};\n\nconst THREE_TO_WEBGL = {};\n\nTHREE_TO_WEBGL[ NearestFilter ] = WEBGL_CONSTANTS.NEAREST;\nTHREE_TO_WEBGL[ NearestMipmapNearestFilter ] = WEBGL_CONSTANTS.NEAREST_MIPMAP_NEAREST;\nTHREE_TO_WEBGL[ NearestMipmapLinearFilter ] = WEBGL_CONSTANTS.NEAREST_MIPMAP_LINEAR;\nTHREE_TO_WEBGL[ LinearFilter ] = WEBGL_CONSTANTS.LINEAR;\nTHREE_TO_WEBGL[ LinearMipmapNearestFilter ] = WEBGL_CONSTANTS.LINEAR_MIPMAP_NEAREST;\nTHREE_TO_WEBGL[ LinearMipmapLinearFilter ] = WEBGL_CONSTANTS.LINEAR_MIPMAP_LINEAR;\n\nTHREE_TO_WEBGL[ ClampToEdgeWrapping ] = WEBGL_CONSTANTS.CLAMP_TO_EDGE;\nTHREE_TO_WEBGL[ RepeatWrapping ] = WEBGL_CONSTANTS.REPEAT;\nTHREE_TO_WEBGL[ MirroredRepeatWrapping ] = WEBGL_CONSTANTS.MIRRORED_REPEAT;\n\nconst PATH_PROPERTIES = {\n\tscale: 'scale',\n\tposition: 'translation',\n\tquaternion: 'rotation',\n\tmorphTargetInfluences: 'weights'\n};\n\n// GLB constants\n// https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#glb-file-format-specification\n\nconst GLB_HEADER_BYTES = 12;\nconst GLB_HEADER_MAGIC = 0x46546C67;\nconst GLB_VERSION = 2;\n\nconst GLB_CHUNK_PREFIX_BYTES = 8;\nconst GLB_CHUNK_TYPE_JSON = 0x4E4F534A;\nconst GLB_CHUNK_TYPE_BIN = 0x004E4942;\n\n//------------------------------------------------------------------------------\n// Utility functions\n//------------------------------------------------------------------------------\n\n/**\n * Compare two arrays\n * @param {Array} array1 Array 1 to compare\n * @param {Array} array2 Array 2 to compare\n * @return {Boolean} Returns true if both arrays are equal\n */\nfunction equalArray( array1, array2 ) {\n\n\treturn ( array1.length === array2.length ) && array1.every( function ( element, index ) {\n\n\t\treturn element === array2[ index ];\n\n\t} );\n\n}\n\n/**\n * Converts a string to an ArrayBuffer.\n * @param {string} text\n * @return {ArrayBuffer}\n */\nfunction stringToArrayBuffer( text ) {\n\n\treturn new TextEncoder().encode( text ).buffer;\n\n}\n\n/**\n * Is identity matrix\n *\n * @param {Matrix4} matrix\n * @returns {Boolean} Returns true, if parameter is identity matrix\n */\nfunction isIdentityMatrix( matrix ) {\n\n\treturn equalArray( matrix.elements, [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 ] );\n\n}\n\n/**\n * Get the min and max vectors from the given attribute\n * @param {BufferAttribute} attribute Attribute to find the min/max in range from start to start + count\n * @param {Integer} start\n * @param {Integer} count\n * @return {Object} Object containing the `min` and `max` values (As an array of attribute.itemSize components)\n */\nfunction getMinMax( attribute, start, count ) {\n\n\tconst output = {\n\n\t\tmin: new Array( attribute.itemSize ).fill( Number.POSITIVE_INFINITY ),\n\t\tmax: new Array( attribute.itemSize ).fill( Number.NEGATIVE_INFINITY )\n\n\t};\n\n\tfor ( let i = start; i < start + count; i ++ ) {\n\n\t\tfor ( let a = 0; a < attribute.itemSize; a ++ ) {\n\n\t\t\tlet value;\n\n\t\t\tif ( attribute.itemSize > 4 ) {\n\n\t\t\t\t // no support for interleaved data for itemSize > 4\n\n\t\t\t\tvalue = attribute.array[ i * attribute.itemSize + a ];\n\n\t\t\t} else {\n\n\t\t\t\tif ( a === 0 ) value = attribute.getX( i );\n\t\t\t\telse if ( a === 1 ) value = attribute.getY( i );\n\t\t\t\telse if ( a === 2 ) value = attribute.getZ( i );\n\t\t\t\telse if ( a === 3 ) value = attribute.getW( i );\n\n\t\t\t}\n\n\t\t\toutput.min[ a ] = Math.min( output.min[ a ], value );\n\t\t\toutput.max[ a ] = Math.max( output.max[ a ], value );\n\n\t\t}\n\n\t}\n\n\treturn output;\n\n}\n\n/**\n * Get the required size + padding for a buffer, rounded to the next 4-byte boundary.\n * https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#data-alignment\n *\n * @param {Integer} bufferSize The size the original buffer.\n * @returns {Integer} new buffer size with required padding.\n *\n */\nfunction getPaddedBufferSize( bufferSize ) {\n\n\treturn Math.ceil( bufferSize / 4 ) * 4;\n\n}\n\n/**\n * Returns a buffer aligned to 4-byte boundary.\n *\n * @param {ArrayBuffer} arrayBuffer Buffer to pad\n * @param {Integer} paddingByte (Optional)\n * @returns {ArrayBuffer} The same buffer if it's already aligned to 4-byte boundary or a new buffer\n */\nfunction getPaddedArrayBuffer( arrayBuffer, paddingByte = 0 ) {\n\n\tconst paddedLength = getPaddedBufferSize( arrayBuffer.byteLength );\n\n\tif ( paddedLength !== arrayBuffer.byteLength ) {\n\n\t\tconst array = new Uint8Array( paddedLength );\n\t\tarray.set( new Uint8Array( arrayBuffer ) );\n\n\t\tif ( paddingByte !== 0 ) {\n\n\t\t\tfor ( let i = arrayBuffer.byteLength; i < paddedLength; i ++ ) {\n\n\t\t\t\tarray[ i ] = paddingByte;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn array.buffer;\n\n\t}\n\n\treturn arrayBuffer;\n\n}\n\nfunction getCanvas() {\n\n\tif ( typeof document === 'undefined' && typeof OffscreenCanvas !== 'undefined' ) {\n\n\t\treturn new OffscreenCanvas( 1, 1 );\n\n\t}\n\n\treturn document.createElement( 'canvas' );\n\n}\n\nfunction getToBlobPromise( canvas, mimeType ) {\n\n\tif ( canvas.toBlob !== undefined ) {\n\n\t\treturn new Promise( ( resolve ) => canvas.toBlob( resolve, mimeType ) );\n\n\t}\n\n\tlet quality;\n\n\t// Blink's implementation of convertToBlob seems to default to a quality level of 100%\n\t// Use the Blink default quality levels of toBlob instead so that file sizes are comparable.\n\tif ( mimeType === 'image/jpeg' ) {\n\n\t\tquality = 0.92;\n\n\t} else if ( mimeType === 'image/webp' ) {\n\n\t\tquality = 0.8;\n\n\t}\n\n\treturn canvas.convertToBlob( {\n\n\t\ttype: mimeType,\n\t\tquality: quality\n\n\t} );\n\n}\n\n/**\n * Writer\n */\nclass GLTFWriter {\n\n\tconstructor() {\n\n\t\tthis.plugins = [];\n\n\t\tthis.options = {};\n\t\tthis.pending = [];\n\t\tthis.buffers = [];\n\n\t\tthis.byteOffset = 0;\n\t\tthis.buffers = [];\n\t\tthis.nodeMap = new Map();\n\t\tthis.skins = [];\n\t\tthis.extensionsUsed = {};\n\n\t\tthis.uids = new Map();\n\t\tthis.uid = 0;\n\n\t\tthis.json = {\n\t\t\tasset: {\n\t\t\t\tversion: '2.0',\n\t\t\t\tgenerator: 'THREE.GLTFExporter'\n\t\t\t}\n\t\t};\n\n\t\tthis.cache = {\n\t\t\tmeshes: new Map(),\n\t\t\tattributes: new Map(),\n\t\t\tattributesNormalized: new Map(),\n\t\t\tmaterials: new Map(),\n\t\t\ttextures: new Map(),\n\t\t\timages: new Map()\n\t\t};\n\n\t}\n\n\tsetPlugins( plugins ) {\n\n\t\tthis.plugins = plugins;\n\n\t}\n\n\t/**\n\t * Parse scenes and generate GLTF output\n\t * @param {Scene or [THREE.Scenes]} input Scene or Array of THREE.Scenes\n\t * @param {Function} onDone Callback on completed\n\t * @param {Object} options options\n\t */\n\tasync write( input, onDone, options ) {\n\n\t\tthis.options = Object.assign( {}, {\n\t\t\t// default options\n\t\t\tbinary: false,\n\t\t\ttrs: false,\n\t\t\tonlyVisible: true,\n\t\t\ttruncateDrawRange: true,\n\t\t\tmaxTextureSize: Infinity,\n\t\t\tanimations: [],\n\t\t\tincludeCustomExtensions: false\n\t\t}, options );\n\n\t\tif ( this.options.animations.length > 0 ) {\n\n\t\t\t// Only TRS properties, and not matrices, may be targeted by animation.\n\t\t\tthis.options.trs = true;\n\n\t\t}\n\n\t\tthis.processInput( input );\n\n\t\tawait Promise.all( this.pending );\n\n\t\tconst writer = this;\n\t\tconst buffers = writer.buffers;\n\t\tconst json = writer.json;\n\t\toptions = writer.options;\n\t\tconst extensionsUsed = writer.extensionsUsed;\n\n\t\t// Merge buffers.\n\t\tconst blob = new Blob( buffers, { type: 'application/octet-stream' } );\n\n\t\t// Declare extensions.\n\t\tconst extensionsUsedList = Object.keys( extensionsUsed );\n\n\t\tif ( extensionsUsedList.length > 0 ) json.extensionsUsed = extensionsUsedList;\n\n\t\t// Update bytelength of the single buffer.\n\t\tif ( json.buffers && json.buffers.length > 0 ) json.buffers[ 0 ].byteLength = blob.size;\n\n\t\tif ( options.binary === true ) {\n\n\t\t\t// https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#glb-file-format-specification\n\n\t\t\tconst reader = new FileReader();\n\t\t\treader.readAsArrayBuffer( blob );\n\t\t\treader.onloadend = function () {\n\n\t\t\t\t// Binary chunk.\n\t\t\t\tconst binaryChunk = getPaddedArrayBuffer( reader.result );\n\t\t\t\tconst binaryChunkPrefix = new DataView( new ArrayBuffer( GLB_CHUNK_PREFIX_BYTES ) );\n\t\t\t\tbinaryChunkPrefix.setUint32( 0, binaryChunk.byteLength, true );\n\t\t\t\tbinaryChunkPrefix.setUint32( 4, GLB_CHUNK_TYPE_BIN, true );\n\n\t\t\t\t// JSON chunk.\n\t\t\t\tconst jsonChunk = getPaddedArrayBuffer( stringToArrayBuffer( JSON.stringify( json ) ), 0x20 );\n\t\t\t\tconst jsonChunkPrefix = new DataView( new ArrayBuffer( GLB_CHUNK_PREFIX_BYTES ) );\n\t\t\t\tjsonChunkPrefix.setUint32( 0, jsonChunk.byteLength, true );\n\t\t\t\tjsonChunkPrefix.setUint32( 4, GLB_CHUNK_TYPE_JSON, true );\n\n\t\t\t\t// GLB header.\n\t\t\t\tconst header = new ArrayBuffer( GLB_HEADER_BYTES );\n\t\t\t\tconst headerView = new DataView( header );\n\t\t\t\theaderView.setUint32( 0, GLB_HEADER_MAGIC, true );\n\t\t\t\theaderView.setUint32( 4, GLB_VERSION, true );\n\t\t\t\tconst totalByteLength = GLB_HEADER_BYTES\n\t\t\t\t\t+ jsonChunkPrefix.byteLength + jsonChunk.byteLength\n\t\t\t\t\t+ binaryChunkPrefix.byteLength + binaryChunk.byteLength;\n\t\t\t\theaderView.setUint32( 8, totalByteLength, true );\n\n\t\t\t\tconst glbBlob = new Blob( [\n\t\t\t\t\theader,\n\t\t\t\t\tjsonChunkPrefix,\n\t\t\t\t\tjsonChunk,\n\t\t\t\t\tbinaryChunkPrefix,\n\t\t\t\t\tbinaryChunk\n\t\t\t\t], { type: 'application/octet-stream' } );\n\n\t\t\t\tconst glbReader = new FileReader();\n\t\t\t\tglbReader.readAsArrayBuffer( glbBlob );\n\t\t\t\tglbReader.onloadend = function () {\n\n\t\t\t\t\tonDone( glbReader.result );\n\n\t\t\t\t};\n\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tif ( json.buffers && json.buffers.length > 0 ) {\n\n\t\t\t\tconst reader = new FileReader();\n\t\t\t\treader.readAsDataURL( blob );\n\t\t\t\treader.onloadend = function () {\n\n\t\t\t\t\tconst base64data = reader.result;\n\t\t\t\t\tjson.buffers[ 0 ].uri = base64data;\n\t\t\t\t\tonDone( json );\n\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tonDone( json );\n\n\t\t\t}\n\n\t\t}\n\n\n\t}\n\n\t/**\n\t * Serializes a userData.\n\t *\n\t * @param {THREE.Object3D|THREE.Material} object\n\t * @param {Object} objectDef\n\t */\n\tserializeUserData( object, objectDef ) {\n\n\t\tif ( Object.keys( object.userData ).length === 0 ) return;\n\n\t\tconst options = this.options;\n\t\tconst extensionsUsed = this.extensionsUsed;\n\n\t\ttry {\n\n\t\t\tconst json = JSON.parse( JSON.stringify( object.userData ) );\n\n\t\t\tif ( options.includeCustomExtensions && json.gltfExtensions ) {\n\n\t\t\t\tif ( objectDef.extensions === undefined ) objectDef.extensions = {};\n\n\t\t\t\tfor ( const extensionName in json.gltfExtensions ) {\n\n\t\t\t\t\tobjectDef.extensions[ extensionName ] = json.gltfExtensions[ extensionName ];\n\t\t\t\t\textensionsUsed[ extensionName ] = true;\n\n\t\t\t\t}\n\n\t\t\t\tdelete json.gltfExtensions;\n\n\t\t\t}\n\n\t\t\tif ( Object.keys( json ).length > 0 ) objectDef.extras = json;\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFExporter: userData of \\'' + object.name + '\\' ' +\n\t\t\t\t'won\\'t be serialized because of JSON.stringify error - ' + error.message );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns ids for buffer attributes.\n\t * @param {Object} object\n\t * @return {Integer}\n\t */\n\tgetUID( attribute, isRelativeCopy = false ) {\n\n\t\tif ( this.uids.has( attribute ) === false ) {\n\n\t\t\tconst uids = new Map();\n\n\t\t\tuids.set( true, this.uid ++ );\n\t\t\tuids.set( false, this.uid ++ );\n\n\t\t\tthis.uids.set( attribute, uids );\n\n\t\t}\n\n\t\tconst uids = this.uids.get( attribute );\n\n\t\treturn uids.get( isRelativeCopy );\n\n\t}\n\n\t/**\n\t * Checks if normal attribute values are normalized.\n\t *\n\t * @param {BufferAttribute} normal\n\t * @returns {Boolean}\n\t */\n\tisNormalizedNormalAttribute( normal ) {\n\n\t\tconst cache = this.cache;\n\n\t\tif ( cache.attributesNormalized.has( normal ) ) return false;\n\n\t\tconst v = new Vector3();\n\n\t\tfor ( let i = 0, il = normal.count; i < il; i ++ ) {\n\n\t\t\t// 0.0005 is from glTF-validator\n\t\t\tif ( Math.abs( v.fromBufferAttribute( normal, i ).length() - 1.0 ) > 0.0005 ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\t/**\n\t * Creates normalized normal buffer attribute.\n\t *\n\t * @param {BufferAttribute} normal\n\t * @returns {BufferAttribute}\n\t *\n\t */\n\tcreateNormalizedNormalAttribute( normal ) {\n\n\t\tconst cache = this.cache;\n\n\t\tif ( cache.attributesNormalized.has( normal ) )\treturn cache.attributesNormalized.get( normal );\n\n\t\tconst attribute = normal.clone();\n\t\tconst v = new Vector3();\n\n\t\tfor ( let i = 0, il = attribute.count; i < il; i ++ ) {\n\n\t\t\tv.fromBufferAttribute( attribute, i );\n\n\t\t\tif ( v.x === 0 && v.y === 0 && v.z === 0 ) {\n\n\t\t\t\t// if values can't be normalized set (1, 0, 0)\n\t\t\t\tv.setX( 1.0 );\n\n\t\t\t} else {\n\n\t\t\t\tv.normalize();\n\n\t\t\t}\n\n\t\t\tattribute.setXYZ( i, v.x, v.y, v.z );\n\n\t\t}\n\n\t\tcache.attributesNormalized.set( normal, attribute );\n\n\t\treturn attribute;\n\n\t}\n\n\t/**\n\t * Applies a texture transform, if present, to the map definition. Requires\n\t * the KHR_texture_transform extension.\n\t *\n\t * @param {Object} mapDef\n\t * @param {THREE.Texture} texture\n\t */\n\tapplyTextureTransform( mapDef, texture ) {\n\n\t\tlet didTransform = false;\n\t\tconst transformDef = {};\n\n\t\tif ( texture.offset.x !== 0 || texture.offset.y !== 0 ) {\n\n\t\t\ttransformDef.offset = texture.offset.toArray();\n\t\t\tdidTransform = true;\n\n\t\t}\n\n\t\tif ( texture.rotation !== 0 ) {\n\n\t\t\ttransformDef.rotation = texture.rotation;\n\t\t\tdidTransform = true;\n\n\t\t}\n\n\t\tif ( texture.repeat.x !== 1 || texture.repeat.y !== 1 ) {\n\n\t\t\ttransformDef.scale = texture.repeat.toArray();\n\t\t\tdidTransform = true;\n\n\t\t}\n\n\t\tif ( didTransform ) {\n\n\t\t\tmapDef.extensions = mapDef.extensions || {};\n\t\t\tmapDef.extensions[ 'KHR_texture_transform' ] = transformDef;\n\t\t\tthis.extensionsUsed[ 'KHR_texture_transform' ] = true;\n\n\t\t}\n\n\t}\n\n\tbuildMetalRoughTexture( metalnessMap, roughnessMap ) {\n\n\t\tif ( metalnessMap === roughnessMap ) return metalnessMap;\n\n\t\tfunction getEncodingConversion( map ) {\n\n\t\t\tif ( map.encoding === sRGBEncoding ) {\n\n\t\t\t\treturn function SRGBToLinear( c ) {\n\n\t\t\t\t\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn function LinearToLinear( c ) {\n\n\t\t\t\treturn c;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconsole.warn( 'THREE.GLTFExporter: Merged metalnessMap and roughnessMap textures.' );\n\n\t\tconst metalness = metalnessMap?.image;\n\t\tconst roughness = roughnessMap?.image;\n\n\t\tconst width = Math.max( metalness?.width || 0, roughness?.width || 0 );\n\t\tconst height = Math.max( metalness?.height || 0, roughness?.height || 0 );\n\n\t\tconst canvas = getCanvas();\n\t\tcanvas.width = width;\n\t\tcanvas.height = height;\n\n\t\tconst context = canvas.getContext( '2d' );\n\t\tcontext.fillStyle = '#00ffff';\n\t\tcontext.fillRect( 0, 0, width, height );\n\n\t\tconst composite = context.getImageData( 0, 0, width, height );\n\n\t\tif ( metalness ) {\n\n\t\t\tcontext.drawImage( metalness, 0, 0, width, height );\n\n\t\t\tconst convert = getEncodingConversion( metalnessMap );\n\t\t\tconst data = context.getImageData( 0, 0, width, height ).data;\n\n\t\t\tfor ( let i = 2; i < data.length; i += 4 ) {\n\n\t\t\t\tcomposite.data[ i ] = convert( data[ i ] / 256 ) * 256;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( roughness ) {\n\n\t\t\tcontext.drawImage( roughness, 0, 0, width, height );\n\n\t\t\tconst convert = getEncodingConversion( roughnessMap );\n\t\t\tconst data = context.getImageData( 0, 0, width, height ).data;\n\n\t\t\tfor ( let i = 1; i < data.length; i += 4 ) {\n\n\t\t\t\tcomposite.data[ i ] = convert( data[ i ] / 256 ) * 256;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcontext.putImageData( composite, 0, 0 );\n\n\t\t//\n\n\t\tconst reference = metalnessMap || roughnessMap;\n\n\t\tconst texture = reference.clone();\n\n\t\ttexture.source = new Source( canvas );\n\t\ttexture.encoding = LinearEncoding;\n\n\t\treturn texture;\n\n\t}\n\n\t/**\n\t * Process a buffer to append to the default one.\n\t * @param {ArrayBuffer} buffer\n\t * @return {Integer}\n\t */\n\tprocessBuffer( buffer ) {\n\n\t\tconst json = this.json;\n\t\tconst buffers = this.buffers;\n\n\t\tif ( ! json.buffers ) json.buffers = [ { byteLength: 0 } ];\n\n\t\t// All buffers are merged before export.\n\t\tbuffers.push( buffer );\n\n\t\treturn 0;\n\n\t}\n\n\t/**\n\t * Process and generate a BufferView\n\t * @param {BufferAttribute} attribute\n\t * @param {number} componentType\n\t * @param {number} start\n\t * @param {number} count\n\t * @param {number} target (Optional) Target usage of the BufferView\n\t * @return {Object}\n\t */\n\tprocessBufferView( attribute, componentType, start, count, target ) {\n\n\t\tconst json = this.json;\n\n\t\tif ( ! json.bufferViews ) json.bufferViews = [];\n\n\t\t// Create a new dataview and dump the attribute's array into it\n\n\t\tlet componentSize;\n\n\t\tif ( componentType === WEBGL_CONSTANTS.UNSIGNED_BYTE ) {\n\n\t\t\tcomponentSize = 1;\n\n\t\t} else if ( componentType === WEBGL_CONSTANTS.UNSIGNED_SHORT ) {\n\n\t\t\tcomponentSize = 2;\n\n\t\t} else {\n\n\t\t\tcomponentSize = 4;\n\n\t\t}\n\n\t\tconst byteLength = getPaddedBufferSize( count * attribute.itemSize * componentSize );\n\t\tconst dataView = new DataView( new ArrayBuffer( byteLength ) );\n\t\tlet offset = 0;\n\n\t\tfor ( let i = start; i < start + count; i ++ ) {\n\n\t\t\tfor ( let a = 0; a < attribute.itemSize; a ++ ) {\n\n\t\t\t\tlet value;\n\n\t\t\t\tif ( attribute.itemSize > 4 ) {\n\n\t\t\t\t\t // no support for interleaved data for itemSize > 4\n\n\t\t\t\t\tvalue = attribute.array[ i * attribute.itemSize + a ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( a === 0 ) value = attribute.getX( i );\n\t\t\t\t\telse if ( a === 1 ) value = attribute.getY( i );\n\t\t\t\t\telse if ( a === 2 ) value = attribute.getZ( i );\n\t\t\t\t\telse if ( a === 3 ) value = attribute.getW( i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( componentType === WEBGL_CONSTANTS.FLOAT ) {\n\n\t\t\t\t\tdataView.setFloat32( offset, value, true );\n\n\t\t\t\t} else if ( componentType === WEBGL_CONSTANTS.UNSIGNED_INT ) {\n\n\t\t\t\t\tdataView.setUint32( offset, value, true );\n\n\t\t\t\t} else if ( componentType === WEBGL_CONSTANTS.UNSIGNED_SHORT ) {\n\n\t\t\t\t\tdataView.setUint16( offset, value, true );\n\n\t\t\t\t} else if ( componentType === WEBGL_CONSTANTS.UNSIGNED_BYTE ) {\n\n\t\t\t\t\tdataView.setUint8( offset, value );\n\n\t\t\t\t}\n\n\t\t\t\toffset += componentSize;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bufferViewDef = {\n\n\t\t\tbuffer: this.processBuffer( dataView.buffer ),\n\t\t\tbyteOffset: this.byteOffset,\n\t\t\tbyteLength: byteLength\n\n\t\t};\n\n\t\tif ( target !== undefined ) bufferViewDef.target = target;\n\n\t\tif ( target === WEBGL_CONSTANTS.ARRAY_BUFFER ) {\n\n\t\t\t// Only define byteStride for vertex attributes.\n\t\t\tbufferViewDef.byteStride = attribute.itemSize * componentSize;\n\n\t\t}\n\n\t\tthis.byteOffset += byteLength;\n\n\t\tjson.bufferViews.push( bufferViewDef );\n\n\t\t// @TODO Merge bufferViews where possible.\n\t\tconst output = {\n\n\t\t\tid: json.bufferViews.length - 1,\n\t\t\tbyteLength: 0\n\n\t\t};\n\n\t\treturn output;\n\n\t}\n\n\t/**\n\t * Process and generate a BufferView from an image Blob.\n\t * @param {Blob} blob\n\t * @return {Promise}\n\t */\n\tprocessBufferViewImage( blob ) {\n\n\t\tconst writer = this;\n\t\tconst json = writer.json;\n\n\t\tif ( ! json.bufferViews ) json.bufferViews = [];\n\n\t\treturn new Promise( function ( resolve ) {\n\n\t\t\tconst reader = new FileReader();\n\t\t\treader.readAsArrayBuffer( blob );\n\t\t\treader.onloadend = function () {\n\n\t\t\t\tconst buffer = getPaddedArrayBuffer( reader.result );\n\n\t\t\t\tconst bufferViewDef = {\n\t\t\t\t\tbuffer: writer.processBuffer( buffer ),\n\t\t\t\t\tbyteOffset: writer.byteOffset,\n\t\t\t\t\tbyteLength: buffer.byteLength\n\t\t\t\t};\n\n\t\t\t\twriter.byteOffset += buffer.byteLength;\n\t\t\t\tresolve( json.bufferViews.push( bufferViewDef ) - 1 );\n\n\t\t\t};\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Process attribute to generate an accessor\n\t * @param {BufferAttribute} attribute Attribute to process\n\t * @param {THREE.BufferGeometry} geometry (Optional) Geometry used for truncated draw range\n\t * @param {Integer} start (Optional)\n\t * @param {Integer} count (Optional)\n\t * @return {Integer|null} Index of the processed accessor on the \"accessors\" array\n\t */\n\tprocessAccessor( attribute, geometry, start, count ) {\n\n\t\tconst options = this.options;\n\t\tconst json = this.json;\n\n\t\tconst types = {\n\n\t\t\t1: 'SCALAR',\n\t\t\t2: 'VEC2',\n\t\t\t3: 'VEC3',\n\t\t\t4: 'VEC4',\n\t\t\t16: 'MAT4'\n\n\t\t};\n\n\t\tlet componentType;\n\n\t\t// Detect the component type of the attribute array (float, uint or ushort)\n\t\tif ( attribute.array.constructor === Float32Array ) {\n\n\t\t\tcomponentType = WEBGL_CONSTANTS.FLOAT;\n\n\t\t} else if ( attribute.array.constructor === Uint32Array ) {\n\n\t\t\tcomponentType = WEBGL_CONSTANTS.UNSIGNED_INT;\n\n\t\t} else if ( attribute.array.constructor === Uint16Array ) {\n\n\t\t\tcomponentType = WEBGL_CONSTANTS.UNSIGNED_SHORT;\n\n\t\t} else if ( attribute.array.constructor === Uint8Array ) {\n\n\t\t\tcomponentType = WEBGL_CONSTANTS.UNSIGNED_BYTE;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.GLTFExporter: Unsupported bufferAttribute component type.' );\n\n\t\t}\n\n\t\tif ( start === undefined ) start = 0;\n\t\tif ( count === undefined ) count = attribute.count;\n\n\t\t// @TODO Indexed buffer geometry with drawRange not supported yet\n\t\tif ( options.truncateDrawRange && geometry !== undefined && geometry.index === null ) {\n\n\t\t\tconst end = start + count;\n\t\t\tconst end2 = geometry.drawRange.count === Infinity\n\t\t\t\t? attribute.count\n\t\t\t\t: geometry.drawRange.start + geometry.drawRange.count;\n\n\t\t\tstart = Math.max( start, geometry.drawRange.start );\n\t\t\tcount = Math.min( end, end2 ) - start;\n\n\t\t\tif ( count < 0 ) count = 0;\n\n\t\t}\n\n\t\t// Skip creating an accessor if the attribute doesn't have data to export\n\t\tif ( count === 0 ) return null;\n\n\t\tconst minMax = getMinMax( attribute, start, count );\n\t\tlet bufferViewTarget;\n\n\t\t// If geometry isn't provided, don't infer the target usage of the bufferView. For\n\t\t// animation samplers, target must not be set.\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tbufferViewTarget = attribute === geometry.index ? WEBGL_CONSTANTS.ELEMENT_ARRAY_BUFFER : WEBGL_CONSTANTS.ARRAY_BUFFER;\n\n\t\t}\n\n\t\tconst bufferView = this.processBufferView( attribute, componentType, start, count, bufferViewTarget );\n\n\t\tconst accessorDef = {\n\n\t\t\tbufferView: bufferView.id,\n\t\t\tbyteOffset: bufferView.byteOffset,\n\t\t\tcomponentType: componentType,\n\t\t\tcount: count,\n\t\t\tmax: minMax.max,\n\t\t\tmin: minMax.min,\n\t\t\ttype: types[ attribute.itemSize ]\n\n\t\t};\n\n\t\tif ( attribute.normalized === true ) accessorDef.normalized = true;\n\t\tif ( ! json.accessors ) json.accessors = [];\n\n\t\treturn json.accessors.push( accessorDef ) - 1;\n\n\t}\n\n\t/**\n\t * Process image\n\t * @param {Image} image to process\n\t * @param {Integer} format of the image (RGBAFormat)\n\t * @param {Boolean} flipY before writing out the image\n\t * @param {String} mimeType export format\n\t * @return {Integer} Index of the processed texture in the \"images\" array\n\t */\n\tprocessImage( image, format, flipY, mimeType = 'image/png' ) {\n\n\t\tconst writer = this;\n\t\tconst cache = writer.cache;\n\t\tconst json = writer.json;\n\t\tconst options = writer.options;\n\t\tconst pending = writer.pending;\n\n\t\tif ( ! cache.images.has( image ) ) cache.images.set( image, {} );\n\n\t\tconst cachedImages = cache.images.get( image );\n\n\t\tconst key = mimeType + ':flipY/' + flipY.toString();\n\n\t\tif ( cachedImages[ key ] !== undefined ) return cachedImages[ key ];\n\n\t\tif ( ! json.images ) json.images = [];\n\n\t\tconst imageDef = { mimeType: mimeType };\n\n\t\tconst canvas = getCanvas();\n\n\t\tcanvas.width = Math.min( image.width, options.maxTextureSize );\n\t\tcanvas.height = Math.min( image.height, options.maxTextureSize );\n\n\t\tconst ctx = canvas.getContext( '2d' );\n\n\t\tif ( flipY === true ) {\n\n\t\t\tctx.translate( 0, canvas.height );\n\t\t\tctx.scale( 1, - 1 );\n\n\t\t}\n\n\t\tif ( image.data !== undefined ) { // THREE.DataTexture\n\n\t\t\tif ( format !== RGBAFormat ) {\n\n\t\t\t\tconsole.error( 'GLTFExporter: Only RGBAFormat is supported.' );\n\n\t\t\t}\n\n\t\t\tif ( image.width > options.maxTextureSize || image.height > options.maxTextureSize ) {\n\n\t\t\t\tconsole.warn( 'GLTFExporter: Image size is bigger than maxTextureSize', image );\n\n\t\t\t}\n\n\t\t\tconst data = new Uint8ClampedArray( image.height * image.width * 4 );\n\n\t\t\tfor ( let i = 0; i < data.length; i += 4 ) {\n\n\t\t\t\tdata[ i + 0 ] = image.data[ i + 0 ];\n\t\t\t\tdata[ i + 1 ] = image.data[ i + 1 ];\n\t\t\t\tdata[ i + 2 ] = image.data[ i + 2 ];\n\t\t\t\tdata[ i + 3 ] = image.data[ i + 3 ];\n\n\t\t\t}\n\n\t\t\tctx.putImageData( new ImageData( data, image.width, image.height ), 0, 0 );\n\n\t\t} else {\n\n\t\t\tctx.drawImage( image, 0, 0, canvas.width, canvas.height );\n\n\t\t}\n\n\t\tif ( options.binary === true ) {\n\n\t\t\tpending.push(\n\n\t\t\t\tgetToBlobPromise( canvas, mimeType )\n\t\t\t\t\t.then( blob => writer.processBufferViewImage( blob ) )\n\t\t\t\t\t.then( bufferViewIndex => {\n\n\t\t\t\t\t\timageDef.bufferView = bufferViewIndex;\n\n\t\t\t\t\t} )\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tif ( canvas.toDataURL !== undefined ) {\n\n\t\t\t\timageDef.uri = canvas.toDataURL( mimeType );\n\n\t\t\t} else {\n\n\t\t\t\tpending.push(\n\n\t\t\t\t\tgetToBlobPromise( canvas, mimeType )\n\t\t\t\t\t\t.then( blob => new FileReader().readAsDataURL( blob ) )\n\t\t\t\t\t\t.then( dataURL => {\n\n\t\t\t\t\t\t\timageDef.uri = dataURL;\n\n\t\t\t\t\t\t} )\n\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst index = json.images.push( imageDef ) - 1;\n\t\tcachedImages[ key ] = index;\n\t\treturn index;\n\n\t}\n\n\t/**\n\t * Process sampler\n\t * @param {Texture} map Texture to process\n\t * @return {Integer} Index of the processed texture in the \"samplers\" array\n\t */\n\tprocessSampler( map ) {\n\n\t\tconst json = this.json;\n\n\t\tif ( ! json.samplers ) json.samplers = [];\n\n\t\tconst samplerDef = {\n\t\t\tmagFilter: THREE_TO_WEBGL[ map.magFilter ],\n\t\t\tminFilter: THREE_TO_WEBGL[ map.minFilter ],\n\t\t\twrapS: THREE_TO_WEBGL[ map.wrapS ],\n\t\t\twrapT: THREE_TO_WEBGL[ map.wrapT ]\n\t\t};\n\n\t\treturn json.samplers.push( samplerDef ) - 1;\n\n\t}\n\n\t/**\n\t * Process texture\n\t * @param {Texture} map Map to process\n\t * @return {Integer} Index of the processed texture in the \"textures\" array\n\t */\n\tprocessTexture( map ) {\n\n\t\tconst cache = this.cache;\n\t\tconst json = this.json;\n\n\t\tif ( cache.textures.has( map ) ) return cache.textures.get( map );\n\n\t\tif ( ! json.textures ) json.textures = [];\n\n\t\tlet mimeType = map.userData.mimeType;\n\n\t\tif ( mimeType === 'image/webp' ) mimeType = 'image/png';\n\n\t\tconst textureDef = {\n\t\t\tsampler: this.processSampler( map ),\n\t\t\tsource: this.processImage( map.image, map.format, map.flipY, mimeType )\n\t\t};\n\n\t\tif ( map.name ) textureDef.name = map.name;\n\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\text.writeTexture && ext.writeTexture( map, textureDef );\n\n\t\t} );\n\n\t\tconst index = json.textures.push( textureDef ) - 1;\n\t\tcache.textures.set( map, index );\n\t\treturn index;\n\n\t}\n\n\t/**\n\t * Process material\n\t * @param {THREE.Material} material Material to process\n\t * @return {Integer|null} Index of the processed material in the \"materials\" array\n\t */\n\tprocessMaterial( material ) {\n\n\t\tconst cache = this.cache;\n\t\tconst json = this.json;\n\n\t\tif ( cache.materials.has( material ) ) return cache.materials.get( material );\n\n\t\tif ( material.isShaderMaterial ) {\n\n\t\t\tconsole.warn( 'GLTFExporter: THREE.ShaderMaterial not supported.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( ! json.materials ) json.materials = [];\n\n\t\t// @QUESTION Should we avoid including any attribute that has the default value?\n\t\tconst materialDef = {\tpbrMetallicRoughness: {} };\n\n\t\tif ( material.isMeshStandardMaterial !== true && material.isMeshBasicMaterial !== true ) {\n\n\t\t\tconsole.warn( 'GLTFExporter: Use MeshStandardMaterial or MeshBasicMaterial for best results.' );\n\n\t\t}\n\n\t\t// pbrMetallicRoughness.baseColorFactor\n\t\tconst color = material.color.toArray().concat( [ material.opacity ] );\n\n\t\tif ( ! equalArray( color, [ 1, 1, 1, 1 ] ) ) {\n\n\t\t\tmaterialDef.pbrMetallicRoughness.baseColorFactor = color;\n\n\t\t}\n\n\t\tif ( material.isMeshStandardMaterial ) {\n\n\t\t\tmaterialDef.pbrMetallicRoughness.metallicFactor = material.metalness;\n\t\t\tmaterialDef.pbrMetallicRoughness.roughnessFactor = material.roughness;\n\n\t\t} else {\n\n\t\t\tmaterialDef.pbrMetallicRoughness.metallicFactor = 0.5;\n\t\t\tmaterialDef.pbrMetallicRoughness.roughnessFactor = 0.5;\n\n\t\t}\n\n\t\t// pbrMetallicRoughness.metallicRoughnessTexture\n\t\tif ( material.metalnessMap || material.roughnessMap ) {\n\n\t\t\tconst metalRoughTexture = this.buildMetalRoughTexture( material.metalnessMap, material.roughnessMap );\n\n\t\t\tconst metalRoughMapDef = { index: this.processTexture( metalRoughTexture ) };\n\t\t\tthis.applyTextureTransform( metalRoughMapDef, metalRoughTexture );\n\t\t\tmaterialDef.pbrMetallicRoughness.metallicRoughnessTexture = metalRoughMapDef;\n\n\t\t}\n\n\t\t// pbrMetallicRoughness.baseColorTexture or pbrSpecularGlossiness diffuseTexture\n\t\tif ( material.map ) {\n\n\t\t\tconst baseColorMapDef = { index: this.processTexture( material.map ) };\n\t\t\tthis.applyTextureTransform( baseColorMapDef, material.map );\n\t\t\tmaterialDef.pbrMetallicRoughness.baseColorTexture = baseColorMapDef;\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\t// note: emissive components are limited to stay within the 0 - 1 range to accommodate glTF spec. see #21849 and #22000.\n\t\t\tconst emissive = material.emissive.clone().multiplyScalar( material.emissiveIntensity );\n\t\t\tconst maxEmissiveComponent = Math.max( emissive.r, emissive.g, emissive.b );\n\n\t\t\tif ( maxEmissiveComponent > 1 ) {\n\n\t\t\t\temissive.multiplyScalar( 1 / maxEmissiveComponent );\n\n\t\t\t\tconsole.warn( 'THREE.GLTFExporter: Some emissive components exceed 1; emissive has been limited' );\n\n\t\t\t}\n\n\t\t\tif ( maxEmissiveComponent > 0 ) {\n\n\t\t\t\tmaterialDef.emissiveFactor = emissive.toArray();\n\n\t\t\t}\n\n\t\t\t// emissiveTexture\n\t\t\tif ( material.emissiveMap ) {\n\n\t\t\t\tconst emissiveMapDef = { index: this.processTexture( material.emissiveMap ) };\n\t\t\t\tthis.applyTextureTransform( emissiveMapDef, material.emissiveMap );\n\t\t\t\tmaterialDef.emissiveTexture = emissiveMapDef;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// normalTexture\n\t\tif ( material.normalMap ) {\n\n\t\t\tconst normalMapDef = { index: this.processTexture( material.normalMap ) };\n\n\t\t\tif ( material.normalScale && material.normalScale.x !== 1 ) {\n\n\t\t\t\t// glTF normal scale is univariate. Ignore `y`, which may be flipped.\n\t\t\t\t// Context: https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995\n\t\t\t\tnormalMapDef.scale = material.normalScale.x;\n\n\t\t\t}\n\n\t\t\tthis.applyTextureTransform( normalMapDef, material.normalMap );\n\t\t\tmaterialDef.normalTexture = normalMapDef;\n\n\t\t}\n\n\t\t// occlusionTexture\n\t\tif ( material.aoMap ) {\n\n\t\t\tconst occlusionMapDef = {\n\t\t\t\tindex: this.processTexture( material.aoMap ),\n\t\t\t\ttexCoord: 1\n\t\t\t};\n\n\t\t\tif ( material.aoMapIntensity !== 1.0 ) {\n\n\t\t\t\tocclusionMapDef.strength = material.aoMapIntensity;\n\n\t\t\t}\n\n\t\t\tthis.applyTextureTransform( occlusionMapDef, material.aoMap );\n\t\t\tmaterialDef.occlusionTexture = occlusionMapDef;\n\n\t\t}\n\n\t\t// alphaMode\n\t\tif ( material.transparent ) {\n\n\t\t\tmaterialDef.alphaMode = 'BLEND';\n\n\t\t} else {\n\n\t\t\tif ( material.alphaTest > 0.0 ) {\n\n\t\t\t\tmaterialDef.alphaMode = 'MASK';\n\t\t\t\tmaterialDef.alphaCutoff = material.alphaTest;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// doubleSided\n\t\tif ( material.side === DoubleSide ) materialDef.doubleSided = true;\n\t\tif ( material.name !== '' ) materialDef.name = material.name;\n\n\t\tthis.serializeUserData( material, materialDef );\n\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\text.writeMaterial && ext.writeMaterial( material, materialDef );\n\n\t\t} );\n\n\t\tconst index = json.materials.push( materialDef ) - 1;\n\t\tcache.materials.set( material, index );\n\t\treturn index;\n\n\t}\n\n\t/**\n\t * Process mesh\n\t * @param {THREE.Mesh} mesh Mesh to process\n\t * @return {Integer|null} Index of the processed mesh in the \"meshes\" array\n\t */\n\tprocessMesh( mesh ) {\n\n\t\tconst cache = this.cache;\n\t\tconst json = this.json;\n\n\t\tconst meshCacheKeyParts = [ mesh.geometry.uuid ];\n\n\t\tif ( Array.isArray( mesh.material ) ) {\n\n\t\t\tfor ( let i = 0, l = mesh.material.length; i < l; i ++ ) {\n\n\t\t\t\tmeshCacheKeyParts.push( mesh.material[ i ].uuid\t);\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tmeshCacheKeyParts.push( mesh.material.uuid );\n\n\t\t}\n\n\t\tconst meshCacheKey = meshCacheKeyParts.join( ':' );\n\n\t\tif ( cache.meshes.has( meshCacheKey ) ) return cache.meshes.get( meshCacheKey );\n\n\t\tconst geometry = mesh.geometry;\n\n\t\tlet mode;\n\n\t\t// Use the correct mode\n\t\tif ( mesh.isLineSegments ) {\n\n\t\t\tmode = WEBGL_CONSTANTS.LINES;\n\n\t\t} else if ( mesh.isLineLoop ) {\n\n\t\t\tmode = WEBGL_CONSTANTS.LINE_LOOP;\n\n\t\t} else if ( mesh.isLine ) {\n\n\t\t\tmode = WEBGL_CONSTANTS.LINE_STRIP;\n\n\t\t} else if ( mesh.isPoints ) {\n\n\t\t\tmode = WEBGL_CONSTANTS.POINTS;\n\n\t\t} else {\n\n\t\t\tmode = mesh.material.wireframe ? WEBGL_CONSTANTS.LINES : WEBGL_CONSTANTS.TRIANGLES;\n\n\t\t}\n\n\t\tif ( geometry.isBufferGeometry !== true ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFExporter: Geometry is not of type THREE.BufferGeometry.' );\n\n\t\t}\n\n\t\tconst meshDef = {};\n\t\tconst attributes = {};\n\t\tconst primitives = [];\n\t\tconst targets = [];\n\n\t\t// Conversion between attributes names in threejs and gltf spec\n\t\tconst nameConversion = {\n\t\t\tuv: 'TEXCOORD_0',\n\t\t\tuv2: 'TEXCOORD_1',\n\t\t\tcolor: 'COLOR_0',\n\t\t\tskinWeight: 'WEIGHTS_0',\n\t\t\tskinIndex: 'JOINTS_0'\n\t\t};\n\n\t\tconst originalNormal = geometry.getAttribute( 'normal' );\n\n\t\tif ( originalNormal !== undefined && ! this.isNormalizedNormalAttribute( originalNormal ) ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFExporter: Creating normalized normal attribute from the non-normalized one.' );\n\n\t\t\tgeometry.setAttribute( 'normal', this.createNormalizedNormalAttribute( originalNormal ) );\n\n\t\t}\n\n\t\t// @QUESTION Detect if .vertexColors = true?\n\t\t// For every attribute create an accessor\n\t\tlet modifiedAttribute = null;\n\n\t\tfor ( let attributeName in geometry.attributes ) {\n\n\t\t\t// Ignore morph target attributes, which are exported later.\n\t\t\tif ( attributeName.slice( 0, 5 ) === 'morph' ) continue;\n\n\t\t\tconst attribute = geometry.attributes[ attributeName ];\n\t\t\tattributeName = nameConversion[ attributeName ] || attributeName.toUpperCase();\n\n\t\t\t// Prefix all geometry attributes except the ones specifically\n\t\t\t// listed in the spec; non-spec attributes are considered custom.\n\t\t\tconst validVertexAttributes =\n\t\t\t\t\t/^(POSITION|NORMAL|TANGENT|TEXCOORD_\\d+|COLOR_\\d+|JOINTS_\\d+|WEIGHTS_\\d+)$/;\n\n\t\t\tif ( ! validVertexAttributes.test( attributeName ) ) attributeName = '_' + attributeName;\n\n\t\t\tif ( cache.attributes.has( this.getUID( attribute ) ) ) {\n\n\t\t\t\tattributes[ attributeName ] = cache.attributes.get( this.getUID( attribute ) );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// JOINTS_0 must be UNSIGNED_BYTE or UNSIGNED_SHORT.\n\t\t\tmodifiedAttribute = null;\n\t\t\tconst array = attribute.array;\n\n\t\t\tif ( attributeName === 'JOINTS_0' &&\n\t\t\t\t! ( array instanceof Uint16Array ) &&\n\t\t\t\t! ( array instanceof Uint8Array ) ) {\n\n\t\t\t\tconsole.warn( 'GLTFExporter: Attribute \"skinIndex\" converted to type UNSIGNED_SHORT.' );\n\t\t\t\tmodifiedAttribute = new BufferAttribute( new Uint16Array( array ), attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tconst accessor = this.processAccessor( modifiedAttribute || attribute, geometry );\n\n\t\t\tif ( accessor !== null ) {\n\n\t\t\t\tattributes[ attributeName ] = accessor;\n\t\t\t\tcache.attributes.set( this.getUID( attribute ), accessor );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( originalNormal !== undefined ) geometry.setAttribute( 'normal', originalNormal );\n\n\t\t// Skip if no exportable attributes found\n\t\tif ( Object.keys( attributes ).length === 0 ) return null;\n\n\t\t// Morph targets\n\t\tif ( mesh.morphTargetInfluences !== undefined && mesh.morphTargetInfluences.length > 0 ) {\n\n\t\t\tconst weights = [];\n\t\t\tconst targetNames = [];\n\t\t\tconst reverseDictionary = {};\n\n\t\t\tif ( mesh.morphTargetDictionary !== undefined ) {\n\n\t\t\t\tfor ( const key in mesh.morphTargetDictionary ) {\n\n\t\t\t\t\treverseDictionary[ mesh.morphTargetDictionary[ key ] ] = key;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0; i < mesh.morphTargetInfluences.length; ++ i ) {\n\n\t\t\t\tconst target = {};\n\t\t\t\tlet warned = false;\n\n\t\t\t\tfor ( const attributeName in geometry.morphAttributes ) {\n\n\t\t\t\t\t// glTF 2.0 morph supports only POSITION/NORMAL/TANGENT.\n\t\t\t\t\t// Three.js doesn't support TANGENT yet.\n\n\t\t\t\t\tif ( attributeName !== 'position' && attributeName !== 'normal' ) {\n\n\t\t\t\t\t\tif ( ! warned ) {\n\n\t\t\t\t\t\t\tconsole.warn( 'GLTFExporter: Only POSITION and NORMAL morph are supported.' );\n\t\t\t\t\t\t\twarned = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst attribute = geometry.morphAttributes[ attributeName ][ i ];\n\t\t\t\t\tconst gltfAttributeName = attributeName.toUpperCase();\n\n\t\t\t\t\t// Three.js morph attribute has absolute values while the one of glTF has relative values.\n\t\t\t\t\t//\n\t\t\t\t\t// glTF 2.0 Specification:\n\t\t\t\t\t// https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#morph-targets\n\n\t\t\t\t\tconst baseAttribute = geometry.attributes[ attributeName ];\n\n\t\t\t\t\tif ( cache.attributes.has( this.getUID( attribute, true ) ) ) {\n\n\t\t\t\t\t\ttarget[ gltfAttributeName ] = cache.attributes.get( this.getUID( attribute, true ) );\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Clones attribute not to override\n\t\t\t\t\tconst relativeAttribute = attribute.clone();\n\n\t\t\t\t\tif ( ! geometry.morphTargetsRelative ) {\n\n\t\t\t\t\t\tfor ( let j = 0, jl = attribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\trelativeAttribute.setXYZ(\n\t\t\t\t\t\t\t\tj,\n\t\t\t\t\t\t\t\tattribute.getX( j ) - baseAttribute.getX( j ),\n\t\t\t\t\t\t\t\tattribute.getY( j ) - baseAttribute.getY( j ),\n\t\t\t\t\t\t\t\tattribute.getZ( j ) - baseAttribute.getZ( j )\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttarget[ gltfAttributeName ] = this.processAccessor( relativeAttribute, geometry );\n\t\t\t\t\tcache.attributes.set( this.getUID( baseAttribute, true ), target[ gltfAttributeName ] );\n\n\t\t\t\t}\n\n\t\t\t\ttargets.push( target );\n\n\t\t\t\tweights.push( mesh.morphTargetInfluences[ i ] );\n\n\t\t\t\tif ( mesh.morphTargetDictionary !== undefined ) targetNames.push( reverseDictionary[ i ] );\n\n\t\t\t}\n\n\t\t\tmeshDef.weights = weights;\n\n\t\t\tif ( targetNames.length > 0 ) {\n\n\t\t\t\tmeshDef.extras = {};\n\t\t\t\tmeshDef.extras.targetNames = targetNames;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst isMultiMaterial = Array.isArray( mesh.material );\n\n\t\tif ( isMultiMaterial && geometry.groups.length === 0 ) return null;\n\n\t\tconst materials = isMultiMaterial ? mesh.material : [ mesh.material ];\n\t\tconst groups = isMultiMaterial ? geometry.groups : [ { materialIndex: 0, start: undefined, count: undefined } ];\n\n\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\tconst primitive = {\n\t\t\t\tmode: mode,\n\t\t\t\tattributes: attributes,\n\t\t\t};\n\n\t\t\tthis.serializeUserData( geometry, primitive );\n\n\t\t\tif ( targets.length > 0 ) primitive.targets = targets;\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\tlet cacheKey = this.getUID( geometry.index );\n\n\t\t\t\tif ( groups[ i ].start !== undefined || groups[ i ].count !== undefined ) {\n\n\t\t\t\t\tcacheKey += ':' + groups[ i ].start + ':' + groups[ i ].count;\n\n\t\t\t\t}\n\n\t\t\t\tif ( cache.attributes.has( cacheKey ) ) {\n\n\t\t\t\t\tprimitive.indices = cache.attributes.get( cacheKey );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tprimitive.indices = this.processAccessor( geometry.index, geometry, groups[ i ].start, groups[ i ].count );\n\t\t\t\t\tcache.attributes.set( cacheKey, primitive.indices );\n\n\t\t\t\t}\n\n\t\t\t\tif ( primitive.indices === null ) delete primitive.indices;\n\n\t\t\t}\n\n\t\t\tconst material = this.processMaterial( materials[ groups[ i ].materialIndex ] );\n\n\t\t\tif ( material !== null ) primitive.material = material;\n\n\t\t\tprimitives.push( primitive );\n\n\t\t}\n\n\t\tmeshDef.primitives = primitives;\n\n\t\tif ( ! json.meshes ) json.meshes = [];\n\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\text.writeMesh && ext.writeMesh( mesh, meshDef );\n\n\t\t} );\n\n\t\tconst index = json.meshes.push( meshDef ) - 1;\n\t\tcache.meshes.set( meshCacheKey, index );\n\t\treturn index;\n\n\t}\n\n\t/**\n\t * Process camera\n\t * @param {THREE.Camera} camera Camera to process\n\t * @return {Integer} Index of the processed mesh in the \"camera\" array\n\t */\n\tprocessCamera( camera ) {\n\n\t\tconst json = this.json;\n\n\t\tif ( ! json.cameras ) json.cameras = [];\n\n\t\tconst isOrtho = camera.isOrthographicCamera;\n\n\t\tconst cameraDef = {\n\t\t\ttype: isOrtho ? 'orthographic' : 'perspective'\n\t\t};\n\n\t\tif ( isOrtho ) {\n\n\t\t\tcameraDef.orthographic = {\n\t\t\t\txmag: camera.right * 2,\n\t\t\t\tymag: camera.top * 2,\n\t\t\t\tzfar: camera.far <= 0 ? 0.001 : camera.far,\n\t\t\t\tznear: camera.near < 0 ? 0 : camera.near\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tcameraDef.perspective = {\n\t\t\t\taspectRatio: camera.aspect,\n\t\t\t\tyfov: MathUtils.degToRad( camera.fov ),\n\t\t\t\tzfar: camera.far <= 0 ? 0.001 : camera.far,\n\t\t\t\tznear: camera.near < 0 ? 0 : camera.near\n\t\t\t};\n\n\t\t}\n\n\t\t// Question: Is saving \"type\" as name intentional?\n\t\tif ( camera.name !== '' ) cameraDef.name = camera.type;\n\n\t\treturn json.cameras.push( cameraDef ) - 1;\n\n\t}\n\n\t/**\n\t * Creates glTF animation entry from AnimationClip object.\n\t *\n\t * Status:\n\t * - Only properties listed in PATH_PROPERTIES may be animated.\n\t *\n\t * @param {THREE.AnimationClip} clip\n\t * @param {THREE.Object3D} root\n\t * @return {number|null}\n\t */\n\tprocessAnimation( clip, root ) {\n\n\t\tconst json = this.json;\n\t\tconst nodeMap = this.nodeMap;\n\n\t\tif ( ! json.animations ) json.animations = [];\n\n\t\tclip = GLTFExporter.Utils.mergeMorphTargetTracks( clip.clone(), root );\n\n\t\tconst tracks = clip.tracks;\n\t\tconst channels = [];\n\t\tconst samplers = [];\n\n\t\tfor ( let i = 0; i < tracks.length; ++ i ) {\n\n\t\t\tconst track = tracks[ i ];\n\t\t\tconst trackBinding = PropertyBinding.parseTrackName( track.name );\n\t\t\tlet trackNode = PropertyBinding.findNode( root, trackBinding.nodeName );\n\t\t\tconst trackProperty = PATH_PROPERTIES[ trackBinding.propertyName ];\n\n\t\t\tif ( trackBinding.objectName === 'bones' ) {\n\n\t\t\t\tif ( trackNode.isSkinnedMesh === true ) {\n\n\t\t\t\t\ttrackNode = trackNode.skeleton.getBoneByName( trackBinding.objectIndex );\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttrackNode = undefined;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ! trackNode || ! trackProperty ) {\n\n\t\t\t\tconsole.warn( 'THREE.GLTFExporter: Could not export animation track \"%s\".', track.name );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tconst inputItemSize = 1;\n\t\t\tlet outputItemSize = track.values.length / track.times.length;\n\n\t\t\tif ( trackProperty === PATH_PROPERTIES.morphTargetInfluences ) {\n\n\t\t\t\toutputItemSize /= trackNode.morphTargetInfluences.length;\n\n\t\t\t}\n\n\t\t\tlet interpolation;\n\n\t\t\t// @TODO export CubicInterpolant(InterpolateSmooth) as CUBICSPLINE\n\n\t\t\t// Detecting glTF cubic spline interpolant by checking factory method's special property\n\t\t\t// GLTFCubicSplineInterpolant is a custom interpolant and track doesn't return\n\t\t\t// valid value from .getInterpolation().\n\t\t\tif ( track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline === true ) {\n\n\t\t\t\tinterpolation = 'CUBICSPLINE';\n\n\t\t\t\t// itemSize of CUBICSPLINE keyframe is 9\n\t\t\t\t// (VEC3 * 3: inTangent, splineVertex, and outTangent)\n\t\t\t\t// but needs to be stored as VEC3 so dividing by 3 here.\n\t\t\t\toutputItemSize /= 3;\n\n\t\t\t} else if ( track.getInterpolation() === InterpolateDiscrete ) {\n\n\t\t\t\tinterpolation = 'STEP';\n\n\t\t\t} else {\n\n\t\t\t\tinterpolation = 'LINEAR';\n\n\t\t\t}\n\n\t\t\tsamplers.push( {\n\t\t\t\tinput: this.processAccessor( new BufferAttribute( track.times, inputItemSize ) ),\n\t\t\t\toutput: this.processAccessor( new BufferAttribute( track.values, outputItemSize ) ),\n\t\t\t\tinterpolation: interpolation\n\t\t\t} );\n\n\t\t\tchannels.push( {\n\t\t\t\tsampler: samplers.length - 1,\n\t\t\t\ttarget: {\n\t\t\t\t\tnode: nodeMap.get( trackNode ),\n\t\t\t\t\tpath: trackProperty\n\t\t\t\t}\n\t\t\t} );\n\n\t\t}\n\n\t\tjson.animations.push( {\n\t\t\tname: clip.name || 'clip_' + json.animations.length,\n\t\t\tsamplers: samplers,\n\t\t\tchannels: channels\n\t\t} );\n\n\t\treturn json.animations.length - 1;\n\n\t}\n\n\t/**\n\t * @param {THREE.Object3D} object\n\t * @return {number|null}\n\t */\n\t processSkin( object ) {\n\n\t\tconst json = this.json;\n\t\tconst nodeMap = this.nodeMap;\n\n\t\tconst node = json.nodes[ nodeMap.get( object ) ];\n\n\t\tconst skeleton = object.skeleton;\n\n\t\tif ( skeleton === undefined ) return null;\n\n\t\tconst rootJoint = object.skeleton.bones[ 0 ];\n\n\t\tif ( rootJoint === undefined ) return null;\n\n\t\tconst joints = [];\n\t\tconst inverseBindMatrices = new Float32Array( skeleton.bones.length * 16 );\n\t\tconst temporaryBoneInverse = new Matrix4();\n\n\t\tfor ( let i = 0; i < skeleton.bones.length; ++ i ) {\n\n\t\t\tjoints.push( nodeMap.get( skeleton.bones[ i ] ) );\n\t\t\ttemporaryBoneInverse.copy( skeleton.boneInverses[ i ] );\n\t\t\ttemporaryBoneInverse.multiply( object.bindMatrix ).toArray( inverseBindMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( json.skins === undefined ) json.skins = [];\n\n\t\tjson.skins.push( {\n\t\t\tinverseBindMatrices: this.processAccessor( new BufferAttribute( inverseBindMatrices, 16 ) ),\n\t\t\tjoints: joints,\n\t\t\tskeleton: nodeMap.get( rootJoint )\n\t\t} );\n\n\t\tconst skinIndex = node.skin = json.skins.length - 1;\n\n\t\treturn skinIndex;\n\n\t}\n\n\t/**\n\t * Process Object3D node\n\t * @param {THREE.Object3D} node Object3D to processNode\n\t * @return {Integer} Index of the node in the nodes list\n\t */\n\tprocessNode( object ) {\n\n\t\tconst json = this.json;\n\t\tconst options = this.options;\n\t\tconst nodeMap = this.nodeMap;\n\n\t\tif ( ! json.nodes ) json.nodes = [];\n\n\t\tconst nodeDef = {};\n\n\t\tif ( options.trs ) {\n\n\t\t\tconst rotation = object.quaternion.toArray();\n\t\t\tconst position = object.position.toArray();\n\t\t\tconst scale = object.scale.toArray();\n\n\t\t\tif ( ! equalArray( rotation, [ 0, 0, 0, 1 ] ) ) {\n\n\t\t\t\tnodeDef.rotation = rotation;\n\n\t\t\t}\n\n\t\t\tif ( ! equalArray( position, [ 0, 0, 0 ] ) ) {\n\n\t\t\t\tnodeDef.translation = position;\n\n\t\t\t}\n\n\t\t\tif ( ! equalArray( scale, [ 1, 1, 1 ] ) ) {\n\n\t\t\t\tnodeDef.scale = scale;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( object.matrixAutoUpdate ) {\n\n\t\t\t\tobject.updateMatrix();\n\n\t\t\t}\n\n\t\t\tif ( isIdentityMatrix( object.matrix ) === false ) {\n\n\t\t\t\tnodeDef.matrix = object.matrix.elements;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// We don't export empty strings name because it represents no-name in Three.js.\n\t\tif ( object.name !== '' ) nodeDef.name = String( object.name );\n\n\t\tthis.serializeUserData( object, nodeDef );\n\n\t\tif ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\tconst meshIndex = this.processMesh( object );\n\n\t\t\tif ( meshIndex !== null ) nodeDef.mesh = meshIndex;\n\n\t\t} else if ( object.isCamera ) {\n\n\t\t\tnodeDef.camera = this.processCamera( object );\n\n\t\t}\n\n\t\tif ( object.isSkinnedMesh ) this.skins.push( object );\n\n\t\tif ( object.children.length > 0 ) {\n\n\t\t\tconst children = [];\n\n\t\t\tfor ( let i = 0, l = object.children.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = object.children[ i ];\n\n\t\t\t\tif ( child.visible || options.onlyVisible === false ) {\n\n\t\t\t\t\tconst nodeIndex = this.processNode( child );\n\n\t\t\t\t\tif ( nodeIndex !== null ) children.push( nodeIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( children.length > 0 ) nodeDef.children = children;\n\n\t\t}\n\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\text.writeNode && ext.writeNode( object, nodeDef );\n\n\t\t} );\n\n\t\tconst nodeIndex = json.nodes.push( nodeDef ) - 1;\n\t\tnodeMap.set( object, nodeIndex );\n\t\treturn nodeIndex;\n\n\t}\n\n\t/**\n\t * Process Scene\n\t * @param {Scene} node Scene to process\n\t */\n\tprocessScene( scene ) {\n\n\t\tconst json = this.json;\n\t\tconst options = this.options;\n\n\t\tif ( ! json.scenes ) {\n\n\t\t\tjson.scenes = [];\n\t\t\tjson.scene = 0;\n\n\t\t}\n\n\t\tconst sceneDef = {};\n\n\t\tif ( scene.name !== '' ) sceneDef.name = scene.name;\n\n\t\tjson.scenes.push( sceneDef );\n\n\t\tconst nodes = [];\n\n\t\tfor ( let i = 0, l = scene.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = scene.children[ i ];\n\n\t\t\tif ( child.visible || options.onlyVisible === false ) {\n\n\t\t\t\tconst nodeIndex = this.processNode( child );\n\n\t\t\t\tif ( nodeIndex !== null ) nodes.push( nodeIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( nodes.length > 0 ) sceneDef.nodes = nodes;\n\n\t\tthis.serializeUserData( scene, sceneDef );\n\n\t}\n\n\t/**\n\t * Creates a Scene to hold a list of objects and parse it\n\t * @param {Array} objects List of objects to process\n\t */\n\tprocessObjects( objects ) {\n\n\t\tconst scene = new Scene();\n\t\tscene.name = 'AuxScene';\n\n\t\tfor ( let i = 0; i < objects.length; i ++ ) {\n\n\t\t\t// We push directly to children instead of calling `add` to prevent\n\t\t\t// modify the .parent and break its original scene and hierarchy\n\t\t\tscene.children.push( objects[ i ] );\n\n\t\t}\n\n\t\tthis.processScene( scene );\n\n\t}\n\n\t/**\n\t * @param {THREE.Object3D|Array} input\n\t */\n\tprocessInput( input ) {\n\n\t\tconst options = this.options;\n\n\t\tinput = input instanceof Array ? input : [ input ];\n\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\text.beforeParse && ext.beforeParse( input );\n\n\t\t} );\n\n\t\tconst objectsWithoutScene = [];\n\n\t\tfor ( let i = 0; i < input.length; i ++ ) {\n\n\t\t\tif ( input[ i ] instanceof Scene ) {\n\n\t\t\t\tthis.processScene( input[ i ] );\n\n\t\t\t} else {\n\n\t\t\t\tobjectsWithoutScene.push( input[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( objectsWithoutScene.length > 0 ) this.processObjects( objectsWithoutScene );\n\n\t\tfor ( let i = 0; i < this.skins.length; ++ i ) {\n\n\t\t\tthis.processSkin( this.skins[ i ] );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < options.animations.length; ++ i ) {\n\n\t\t\tthis.processAnimation( options.animations[ i ], input[ 0 ] );\n\n\t\t}\n\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\text.afterParse && ext.afterParse( input );\n\n\t\t} );\n\n\t}\n\n\t_invokeAll( func ) {\n\n\t\tfor ( let i = 0, il = this.plugins.length; i < il; i ++ ) {\n\n\t\t\tfunc( this.plugins[ i ] );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Punctual Lights Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual\n */\nclass GLTFLightExtension {\n\n\tconstructor( writer ) {\n\n\t\tthis.writer = writer;\n\t\tthis.name = 'KHR_lights_punctual';\n\n\t}\n\n\twriteNode( light, nodeDef ) {\n\n\t\tif ( ! light.isLight ) return;\n\n\t\tif ( ! light.isDirectionalLight && ! light.isPointLight && ! light.isSpotLight ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFExporter: Only directional, point, and spot lights are supported.', light );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst writer = this.writer;\n\t\tconst json = writer.json;\n\t\tconst extensionsUsed = writer.extensionsUsed;\n\n\t\tconst lightDef = {};\n\n\t\tif ( light.name ) lightDef.name = light.name;\n\n\t\tlightDef.color = light.color.toArray();\n\n\t\tlightDef.intensity = light.intensity;\n\n\t\tif ( light.isDirectionalLight ) {\n\n\t\t\tlightDef.type = 'directional';\n\n\t\t} else if ( light.isPointLight ) {\n\n\t\t\tlightDef.type = 'point';\n\n\t\t\tif ( light.distance > 0 ) lightDef.range = light.distance;\n\n\t\t} else if ( light.isSpotLight ) {\n\n\t\t\tlightDef.type = 'spot';\n\n\t\t\tif ( light.distance > 0 ) lightDef.range = light.distance;\n\n\t\t\tlightDef.spot = {};\n\t\t\tlightDef.spot.innerConeAngle = ( light.penumbra - 1.0 ) * light.angle * - 1.0;\n\t\t\tlightDef.spot.outerConeAngle = light.angle;\n\n\t\t}\n\n\t\tif ( light.decay !== undefined && light.decay !== 2 ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFExporter: Light decay may be lost. glTF is physically-based, '\n\t\t\t\t+ 'and expects light.decay=2.' );\n\n\t\t}\n\n\t\tif ( light.target\n\t\t\t\t&& ( light.target.parent !== light\n\t\t\t\t|| light.target.position.x !== 0\n\t\t\t\t|| light.target.position.y !== 0\n\t\t\t\t|| light.target.position.z !== - 1 ) ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFExporter: Light direction may be lost. For best results, '\n\t\t\t\t+ 'make light.target a child of the light with position 0,0,-1.' );\n\n\t\t}\n\n\t\tif ( ! extensionsUsed[ this.name ] ) {\n\n\t\t\tjson.extensions = json.extensions || {};\n\t\t\tjson.extensions[ this.name ] = { lights: [] };\n\t\t\textensionsUsed[ this.name ] = true;\n\n\t\t}\n\n\t\tconst lights = json.extensions[ this.name ].lights;\n\t\tlights.push( lightDef );\n\n\t\tnodeDef.extensions = nodeDef.extensions || {};\n\t\tnodeDef.extensions[ this.name ] = { light: lights.length - 1 };\n\n\t}\n\n}\n\n/**\n * Unlit Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit\n */\nclass GLTFMaterialsUnlitExtension {\n\n\tconstructor( writer ) {\n\n\t\tthis.writer = writer;\n\t\tthis.name = 'KHR_materials_unlit';\n\n\t}\n\n\twriteMaterial( material, materialDef ) {\n\n\t\tif ( ! material.isMeshBasicMaterial ) return;\n\n\t\tconst writer = this.writer;\n\t\tconst extensionsUsed = writer.extensionsUsed;\n\n\t\tmaterialDef.extensions = materialDef.extensions || {};\n\t\tmaterialDef.extensions[ this.name ] = {};\n\n\t\textensionsUsed[ this.name ] = true;\n\n\t\tmaterialDef.pbrMetallicRoughness.metallicFactor = 0.0;\n\t\tmaterialDef.pbrMetallicRoughness.roughnessFactor = 0.9;\n\n\t}\n\n}\n\n/**\n * Specular-Glossiness Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Archived/KHR_materials_pbrSpecularGlossiness\n */\nclass GLTFMaterialsPBRSpecularGlossiness {\n\n\tconstructor( writer ) {\n\n\t\tthis.writer = writer;\n\t\tthis.name = 'KHR_materials_pbrSpecularGlossiness';\n\n\t}\n\n\twriteMaterial( material, materialDef ) {\n\n\t\tif ( ! material.isGLTFSpecularGlossinessMaterial ) return;\n\n\t\tconst writer = this.writer;\n\t\tconst extensionsUsed = writer.extensionsUsed;\n\n\t\tconst extensionDef = {};\n\n\t\tif ( materialDef.pbrMetallicRoughness.baseColorFactor ) {\n\n\t\t\textensionDef.diffuseFactor = materialDef.pbrMetallicRoughness.baseColorFactor;\n\n\t\t}\n\n\t\tconst specularFactor = [ 1, 1, 1 ];\n\t\tmaterial.specular.toArray( specularFactor, 0 );\n\t\textensionDef.specularFactor = specularFactor;\n\t\textensionDef.glossinessFactor = material.glossiness;\n\n\t\tif ( materialDef.pbrMetallicRoughness.baseColorTexture ) {\n\n\t\t\textensionDef.diffuseTexture = materialDef.pbrMetallicRoughness.baseColorTexture;\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tconst specularMapDef = { index: writer.processTexture( material.specularMap ) };\n\t\t\twriter.applyTextureTransform( specularMapDef, material.specularMap );\n\t\t\textensionDef.specularGlossinessTexture = specularMapDef;\n\n\t\t}\n\n\t\tmaterialDef.extensions = materialDef.extensions || {};\n\t\tmaterialDef.extensions[ this.name ] = extensionDef;\n\t\textensionsUsed[ this.name ] = true;\n\n\t}\n\n}\n\n/**\n * Clearcoat Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat\n */\nclass GLTFMaterialsClearcoatExtension {\n\n\tconstructor( writer ) {\n\n\t\tthis.writer = writer;\n\t\tthis.name = 'KHR_materials_clearcoat';\n\n\t}\n\n\twriteMaterial( material, materialDef ) {\n\n\t\tif ( ! material.isMeshPhysicalMaterial ) return;\n\n\t\tconst writer = this.writer;\n\t\tconst extensionsUsed = writer.extensionsUsed;\n\n\t\tconst extensionDef = {};\n\n\t\textensionDef.clearcoatFactor = material.clearcoat;\n\n\t\tif ( material.clearcoatMap ) {\n\n\t\t\tconst clearcoatMapDef = { index: writer.processTexture( material.clearcoatMap ) };\n\t\t\twriter.applyTextureTransform( clearcoatMapDef, material.clearcoatMap );\n\t\t\textensionDef.clearcoatTexture = clearcoatMapDef;\n\n\t\t}\n\n\t\textensionDef.clearcoatRoughnessFactor = material.clearcoatRoughness;\n\n\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\tconst clearcoatRoughnessMapDef = { index: writer.processTexture( material.clearcoatRoughnessMap ) };\n\t\t\twriter.applyTextureTransform( clearcoatRoughnessMapDef, material.clearcoatRoughnessMap );\n\t\t\textensionDef.clearcoatRoughnessTexture = clearcoatRoughnessMapDef;\n\n\t\t}\n\n\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\tconst clearcoatNormalMapDef = { index: writer.processTexture( material.clearcoatNormalMap ) };\n\t\t\twriter.applyTextureTransform( clearcoatNormalMapDef, material.clearcoatNormalMap );\n\t\t\textensionDef.clearcoatNormalTexture = clearcoatNormalMapDef;\n\n\t\t}\n\n\t\tmaterialDef.extensions = materialDef.extensions || {};\n\t\tmaterialDef.extensions[ this.name ] = extensionDef;\n\n\t\textensionsUsed[ this.name ] = true;\n\n\n\t}\n\n}\n\n/**\n * Iridescence Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_iridescence\n */\nclass GLTFMaterialsIridescenceExtension {\n\n\tconstructor( writer ) {\n\n\t\tthis.writer = writer;\n\t\tthis.name = 'KHR_materials_iridescence';\n\n\t}\n\n\twriteMaterial( material, materialDef ) {\n\n\t\tif ( ! material.isMeshPhysicalMaterial ) return;\n\n\t\tconst writer = this.writer;\n\t\tconst extensionsUsed = writer.extensionsUsed;\n\n\t\tconst extensionDef = {};\n\n\t\textensionDef.iridescenceFactor = material.iridescence;\n\n\t\tif ( material.iridescenceMap ) {\n\n\t\t\tconst iridescenceMapDef = { index: writer.processTexture( material.iridescenceMap ) };\n\t\t\twriter.applyTextureTransform( iridescenceMapDef, material.iridescenceMap );\n\t\t\textensionDef.iridescenceTexture = iridescenceMapDef;\n\n\t\t}\n\n\t\textensionDef.iridescenceIor = material.iridescenceIOR;\n\t\textensionDef.iridescenceThicknessMinimum = material.iridescenceThicknessRange[ 0 ];\n\t\textensionDef.iridescenceThicknessMaximum = material.iridescenceThicknessRange[ 1 ];\n\n\t\tif ( material.iridescenceThicknessMap ) {\n\n\t\t\tconst iridescenceThicknessMapDef = { index: writer.processTexture( material.iridescenceThicknessMap ) };\n\t\t\twriter.applyTextureTransform( iridescenceThicknessMapDef, material.iridescenceThicknessMap );\n\t\t\textensionDef.iridescenceThicknessTexture = iridescenceThicknessMapDef;\n\n\t\t}\n\n\t\tmaterialDef.extensions = materialDef.extensions || {};\n\t\tmaterialDef.extensions[ this.name ] = extensionDef;\n\n\t\textensionsUsed[ this.name ] = true;\n\n\t}\n\n}\n\n/**\n * Transmission Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission\n */\nclass GLTFMaterialsTransmissionExtension {\n\n\tconstructor( writer ) {\n\n\t\tthis.writer = writer;\n\t\tthis.name = 'KHR_materials_transmission';\n\n\t}\n\n\twriteMaterial( material, materialDef ) {\n\n\t\tif ( ! material.isMeshPhysicalMaterial || material.transmission === 0 ) return;\n\n\t\tconst writer = this.writer;\n\t\tconst extensionsUsed = writer.extensionsUsed;\n\n\t\tconst extensionDef = {};\n\n\t\textensionDef.transmissionFactor = material.transmission;\n\n\t\tif ( material.transmissionMap ) {\n\n\t\t\tconst transmissionMapDef = { index: writer.processTexture( material.transmissionMap ) };\n\t\t\twriter.applyTextureTransform( transmissionMapDef, material.transmissionMap );\n\t\t\textensionDef.transmissionTexture = transmissionMapDef;\n\n\t\t}\n\n\t\tmaterialDef.extensions = materialDef.extensions || {};\n\t\tmaterialDef.extensions[ this.name ] = extensionDef;\n\n\t\textensionsUsed[ this.name ] = true;\n\n\t}\n\n}\n\n/**\n * Materials Volume Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_volume\n */\nclass GLTFMaterialsVolumeExtension {\n\n\tconstructor( writer ) {\n\n\t\tthis.writer = writer;\n\t\tthis.name = 'KHR_materials_volume';\n\n\t}\n\n\twriteMaterial( material, materialDef ) {\n\n\t\tif ( ! material.isMeshPhysicalMaterial || material.transmission === 0 ) return;\n\n\t\tconst writer = this.writer;\n\t\tconst extensionsUsed = writer.extensionsUsed;\n\n\t\tconst extensionDef = {};\n\n\t\textensionDef.thicknessFactor = material.thickness;\n\n\t\tif ( material.thicknessMap ) {\n\n\t\t\tconst thicknessMapDef = { index: writer.processTexture( material.thicknessMap ) };\n\t\t\twriter.applyTextureTransform( thicknessMapDef, material.thicknessMap );\n\t\t\textensionDef.thicknessTexture = thicknessMapDef;\n\n\t\t}\n\n\t\textensionDef.attenuationDistance = material.attenuationDistance;\n\t\textensionDef.attenuationColor = material.attenuationColor.toArray();\n\n\t\tmaterialDef.extensions = materialDef.extensions || {};\n\t\tmaterialDef.extensions[ this.name ] = extensionDef;\n\n\t\textensionsUsed[ this.name ] = true;\n\n\t}\n\n}\n\n/**\n * Static utility functions\n */\nGLTFExporter.Utils = {\n\n\tinsertKeyframe: function ( track, time ) {\n\n\t\tconst tolerance = 0.001; // 1ms\n\t\tconst valueSize = track.getValueSize();\n\n\t\tconst times = new track.TimeBufferType( track.times.length + 1 );\n\t\tconst values = new track.ValueBufferType( track.values.length + valueSize );\n\t\tconst interpolant = track.createInterpolant( new track.ValueBufferType( valueSize ) );\n\n\t\tlet index;\n\n\t\tif ( track.times.length === 0 ) {\n\n\t\t\ttimes[ 0 ] = time;\n\n\t\t\tfor ( let i = 0; i < valueSize; i ++ ) {\n\n\t\t\t\tvalues[ i ] = 0;\n\n\t\t\t}\n\n\t\t\tindex = 0;\n\n\t\t} else if ( time < track.times[ 0 ] ) {\n\n\t\t\tif ( Math.abs( track.times[ 0 ] - time ) < tolerance ) return 0;\n\n\t\t\ttimes[ 0 ] = time;\n\t\t\ttimes.set( track.times, 1 );\n\n\t\t\tvalues.set( interpolant.evaluate( time ), 0 );\n\t\t\tvalues.set( track.values, valueSize );\n\n\t\t\tindex = 0;\n\n\t\t} else if ( time > track.times[ track.times.length - 1 ] ) {\n\n\t\t\tif ( Math.abs( track.times[ track.times.length - 1 ] - time ) < tolerance ) {\n\n\t\t\t\treturn track.times.length - 1;\n\n\t\t\t}\n\n\t\t\ttimes[ times.length - 1 ] = time;\n\t\t\ttimes.set( track.times, 0 );\n\n\t\t\tvalues.set( track.values, 0 );\n\t\t\tvalues.set( interpolant.evaluate( time ), track.values.length );\n\n\t\t\tindex = times.length - 1;\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < track.times.length; i ++ ) {\n\n\t\t\t\tif ( Math.abs( track.times[ i ] - time ) < tolerance ) return i;\n\n\t\t\t\tif ( track.times[ i ] < time && track.times[ i + 1 ] > time ) {\n\n\t\t\t\t\ttimes.set( track.times.slice( 0, i + 1 ), 0 );\n\t\t\t\t\ttimes[ i + 1 ] = time;\n\t\t\t\t\ttimes.set( track.times.slice( i + 1 ), i + 2 );\n\n\t\t\t\t\tvalues.set( track.values.slice( 0, ( i + 1 ) * valueSize ), 0 );\n\t\t\t\t\tvalues.set( interpolant.evaluate( time ), ( i + 1 ) * valueSize );\n\t\t\t\t\tvalues.set( track.values.slice( ( i + 1 ) * valueSize ), ( i + 2 ) * valueSize );\n\n\t\t\t\t\tindex = i + 1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\ttrack.times = times;\n\t\ttrack.values = values;\n\n\t\treturn index;\n\n\t},\n\n\tmergeMorphTargetTracks: function ( clip, root ) {\n\n\t\tconst tracks = [];\n\t\tconst mergedTracks = {};\n\t\tconst sourceTracks = clip.tracks;\n\n\t\tfor ( let i = 0; i < sourceTracks.length; ++ i ) {\n\n\t\t\tlet sourceTrack = sourceTracks[ i ];\n\t\t\tconst sourceTrackBinding = PropertyBinding.parseTrackName( sourceTrack.name );\n\t\t\tconst sourceTrackNode = PropertyBinding.findNode( root, sourceTrackBinding.nodeName );\n\n\t\t\tif ( sourceTrackBinding.propertyName !== 'morphTargetInfluences' || sourceTrackBinding.propertyIndex === undefined ) {\n\n\t\t\t\t// Tracks that don't affect morph targets, or that affect all morph targets together, can be left as-is.\n\t\t\t\ttracks.push( sourceTrack );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( sourceTrack.createInterpolant !== sourceTrack.InterpolantFactoryMethodDiscrete\n\t\t\t\t&& sourceTrack.createInterpolant !== sourceTrack.InterpolantFactoryMethodLinear ) {\n\n\t\t\t\tif ( sourceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\t\t// This should never happen, because glTF morph target animations\n\t\t\t\t\t// affect all targets already.\n\t\t\t\t\tthrow new Error( 'THREE.GLTFExporter: Cannot merge tracks with glTF CUBICSPLINE interpolation.' );\n\n\t\t\t\t}\n\n\t\t\t\tconsole.warn( 'THREE.GLTFExporter: Morph target interpolation mode not yet supported. Using LINEAR instead.' );\n\n\t\t\t\tsourceTrack = sourceTrack.clone();\n\t\t\t\tsourceTrack.setInterpolation( InterpolateLinear );\n\n\t\t\t}\n\n\t\t\tconst targetCount = sourceTrackNode.morphTargetInfluences.length;\n\t\t\tconst targetIndex = sourceTrackNode.morphTargetDictionary[ sourceTrackBinding.propertyIndex ];\n\n\t\t\tif ( targetIndex === undefined ) {\n\n\t\t\t\tthrow new Error( 'THREE.GLTFExporter: Morph target name not found: ' + sourceTrackBinding.propertyIndex );\n\n\t\t\t}\n\n\t\t\tlet mergedTrack;\n\n\t\t\t// If this is the first time we've seen this object, create a new\n\t\t\t// track to store merged keyframe data for each morph target.\n\t\t\tif ( mergedTracks[ sourceTrackNode.uuid ] === undefined ) {\n\n\t\t\t\tmergedTrack = sourceTrack.clone();\n\n\t\t\t\tconst values = new mergedTrack.ValueBufferType( targetCount * mergedTrack.times.length );\n\n\t\t\t\tfor ( let j = 0; j < mergedTrack.times.length; j ++ ) {\n\n\t\t\t\t\tvalues[ j * targetCount + targetIndex ] = mergedTrack.values[ j ];\n\n\t\t\t\t}\n\n\t\t\t\t// We need to take into consideration the intended target node\n\t\t\t\t// of our original un-merged morphTarget animation.\n\t\t\t\tmergedTrack.name = ( sourceTrackBinding.nodeName || '' ) + '.morphTargetInfluences';\n\t\t\t\tmergedTrack.values = values;\n\n\t\t\t\tmergedTracks[ sourceTrackNode.uuid ] = mergedTrack;\n\t\t\t\ttracks.push( mergedTrack );\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst sourceInterpolant = sourceTrack.createInterpolant( new sourceTrack.ValueBufferType( 1 ) );\n\n\t\t\tmergedTrack = mergedTracks[ sourceTrackNode.uuid ];\n\n\t\t\t// For every existing keyframe of the merged track, write a (possibly\n\t\t\t// interpolated) value from the source track.\n\t\t\tfor ( let j = 0; j < mergedTrack.times.length; j ++ ) {\n\n\t\t\t\tmergedTrack.values[ j * targetCount + targetIndex ] = sourceInterpolant.evaluate( mergedTrack.times[ j ] );\n\n\t\t\t}\n\n\t\t\t// For every existing keyframe of the source track, write a (possibly\n\t\t\t// new) keyframe to the merged track. Values from the previous loop may\n\t\t\t// be written again, but keyframes are de-duplicated.\n\t\t\tfor ( let j = 0; j < sourceTrack.times.length; j ++ ) {\n\n\t\t\t\tconst keyframeIndex = this.insertKeyframe( mergedTrack, sourceTrack.times[ j ] );\n\t\t\t\tmergedTrack.values[ keyframeIndex * targetCount + targetIndex ] = sourceTrack.values[ j ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tclip.tracks = tracks;\n\n\t\treturn clip;\n\n\t}\n\n};\n\nexport { GLTFExporter };\n","import {\n\tColor,\n\tMatrix3,\n\tVector2,\n\tVector3\n} from 'three';\n\nclass OBJExporter {\n\n\tparse( object ) {\n\n\t\tlet output = '';\n\n\t\tlet indexVertex = 0;\n\t\tlet indexVertexUvs = 0;\n\t\tlet indexNormals = 0;\n\n\t\tconst vertex = new Vector3();\n\t\tconst color = new Color();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\tconst face = [];\n\n\t\tfunction parseMesh( mesh ) {\n\n\t\t\tlet nbVertex = 0;\n\t\t\tlet nbNormals = 0;\n\t\t\tlet nbVertexUvs = 0;\n\n\t\t\tconst geometry = mesh.geometry;\n\n\t\t\tconst normalMatrixWorld = new Matrix3();\n\n\t\t\tif ( geometry.isBufferGeometry !== true ) {\n\n\t\t\t\tthrow new Error( 'THREE.OBJExporter: Geometry is not of type THREE.BufferGeometry.' );\n\n\t\t\t}\n\n\t\t\t// shortcuts\n\t\t\tconst vertices = geometry.getAttribute( 'position' );\n\t\t\tconst normals = geometry.getAttribute( 'normal' );\n\t\t\tconst uvs = geometry.getAttribute( 'uv' );\n\t\t\tconst indices = geometry.getIndex();\n\n\t\t\t// name of the mesh object\n\t\t\toutput += 'o ' + mesh.name + '\\n';\n\n\t\t\t// name of the mesh material\n\t\t\tif ( mesh.material && mesh.material.name ) {\n\n\t\t\t\toutput += 'usemtl ' + mesh.material.name + '\\n';\n\n\t\t\t}\n\n\t\t\t// vertices\n\n\t\t\tif ( vertices !== undefined ) {\n\n\t\t\t\tfor ( let i = 0, l = vertices.count; i < l; i ++, nbVertex ++ ) {\n\n\t\t\t\t\tvertex.fromBufferAttribute( vertices, i );\n\n\t\t\t\t\t// transform the vertex to world space\n\t\t\t\t\tvertex.applyMatrix4( mesh.matrixWorld );\n\n\t\t\t\t\t// transform the vertex to export format\n\t\t\t\t\toutput += 'v ' + vertex.x + ' ' + vertex.y + ' ' + vertex.z + '\\n';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( uvs !== undefined ) {\n\n\t\t\t\tfor ( let i = 0, l = uvs.count; i < l; i ++, nbVertexUvs ++ ) {\n\n\t\t\t\t\tuv.fromBufferAttribute( uvs, i );\n\n\t\t\t\t\t// transform the uv to export format\n\t\t\t\t\toutput += 'vt ' + uv.x + ' ' + uv.y + '\\n';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// normals\n\n\t\t\tif ( normals !== undefined ) {\n\n\t\t\t\tnormalMatrixWorld.getNormalMatrix( mesh.matrixWorld );\n\n\t\t\t\tfor ( let i = 0, l = normals.count; i < l; i ++, nbNormals ++ ) {\n\n\t\t\t\t\tnormal.fromBufferAttribute( normals, i );\n\n\t\t\t\t\t// transform the normal to world space\n\t\t\t\t\tnormal.applyMatrix3( normalMatrixWorld ).normalize();\n\n\t\t\t\t\t// transform the normal to export format\n\t\t\t\t\toutput += 'vn ' + normal.x + ' ' + normal.y + ' ' + normal.z + '\\n';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// faces\n\n\t\t\tif ( indices !== null ) {\n\n\t\t\t\tfor ( let i = 0, l = indices.count; i < l; i += 3 ) {\n\n\t\t\t\t\tfor ( let m = 0; m < 3; m ++ ) {\n\n\t\t\t\t\t\tconst j = indices.getX( i + m ) + 1;\n\n\t\t\t\t\t\tface[ m ] = ( indexVertex + j ) + ( normals || uvs ? '/' + ( uvs ? ( indexVertexUvs + j ) : '' ) + ( normals ? '/' + ( indexNormals + j ) : '' ) : '' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// transform the face to export format\n\t\t\t\t\toutput += 'f ' + face.join( ' ' ) + '\\n';\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( let i = 0, l = vertices.count; i < l; i += 3 ) {\n\n\t\t\t\t\tfor ( let m = 0; m < 3; m ++ ) {\n\n\t\t\t\t\t\tconst j = i + m + 1;\n\n\t\t\t\t\t\tface[ m ] = ( indexVertex + j ) + ( normals || uvs ? '/' + ( uvs ? ( indexVertexUvs + j ) : '' ) + ( normals ? '/' + ( indexNormals + j ) : '' ) : '' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// transform the face to export format\n\t\t\t\t\toutput += 'f ' + face.join( ' ' ) + '\\n';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update index\n\t\t\tindexVertex += nbVertex;\n\t\t\tindexVertexUvs += nbVertexUvs;\n\t\t\tindexNormals += nbNormals;\n\n\t\t}\n\n\t\tfunction parseLine( line ) {\n\n\t\t\tlet nbVertex = 0;\n\n\t\t\tconst geometry = line.geometry;\n\t\t\tconst type = line.type;\n\n\t\t\tif ( geometry.isBufferGeometry !== true ) {\n\n\t\t\t\tthrow new Error( 'THREE.OBJExporter: Geometry is not of type THREE.BufferGeometry.' );\n\n\t\t\t}\n\n\t\t\t// shortcuts\n\t\t\tconst vertices = geometry.getAttribute( 'position' );\n\n\t\t\t// name of the line object\n\t\t\toutput += 'o ' + line.name + '\\n';\n\n\t\t\tif ( vertices !== undefined ) {\n\n\t\t\t\tfor ( let i = 0, l = vertices.count; i < l; i ++, nbVertex ++ ) {\n\n\t\t\t\t\tvertex.fromBufferAttribute( vertices, i );\n\n\t\t\t\t\t// transform the vertex to world space\n\t\t\t\t\tvertex.applyMatrix4( line.matrixWorld );\n\n\t\t\t\t\t// transform the vertex to export format\n\t\t\t\t\toutput += 'v ' + vertex.x + ' ' + vertex.y + ' ' + vertex.z + '\\n';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( type === 'Line' ) {\n\n\t\t\t\toutput += 'l ';\n\n\t\t\t\tfor ( let j = 1, l = vertices.count; j <= l; j ++ ) {\n\n\t\t\t\t\toutput += ( indexVertex + j ) + ' ';\n\n\t\t\t\t}\n\n\t\t\t\toutput += '\\n';\n\n\t\t\t}\n\n\t\t\tif ( type === 'LineSegments' ) {\n\n\t\t\t\tfor ( let j = 1, k = j + 1, l = vertices.count; j < l; j += 2, k = j + 1 ) {\n\n\t\t\t\t\toutput += 'l ' + ( indexVertex + j ) + ' ' + ( indexVertex + k ) + '\\n';\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// update index\n\t\t\tindexVertex += nbVertex;\n\n\t\t}\n\n\t\tfunction parsePoints( points ) {\n\n\t\t\tlet nbVertex = 0;\n\n\t\t\tconst geometry = points.geometry;\n\n\t\t\tif ( geometry.isBufferGeometry !== true ) {\n\n\t\t\t\tthrow new Error( 'THREE.OBJExporter: Geometry is not of type THREE.BufferGeometry.' );\n\n\t\t\t}\n\n\t\t\tconst vertices = geometry.getAttribute( 'position' );\n\t\t\tconst colors = geometry.getAttribute( 'color' );\n\n\t\t\toutput += 'o ' + points.name + '\\n';\n\n\t\t\tif ( vertices !== undefined ) {\n\n\t\t\t\tfor ( let i = 0, l = vertices.count; i < l; i ++, nbVertex ++ ) {\n\n\t\t\t\t\tvertex.fromBufferAttribute( vertices, i );\n\t\t\t\t\tvertex.applyMatrix4( points.matrixWorld );\n\n\t\t\t\t\toutput += 'v ' + vertex.x + ' ' + vertex.y + ' ' + vertex.z;\n\n\t\t\t\t\tif ( colors !== undefined ) {\n\n\t\t\t\t\t\tcolor.fromBufferAttribute( colors, i ).convertLinearToSRGB();\n\n\t\t\t\t\t\toutput += ' ' + color.r + ' ' + color.g + ' ' + color.b;\n\n\t\t\t\t\t}\n\n\t\t\t\t\toutput += '\\n';\n\n\t\t\t\t}\n\n\t\t\t\toutput += 'p ';\n\n\t\t\t\tfor ( let j = 1, l = vertices.count; j <= l; j ++ ) {\n\n\t\t\t\t\toutput += ( indexVertex + j ) + ' ';\n\n\t\t\t\t}\n\n\t\t\t\toutput += '\\n';\n\n\t\t\t}\n\n\t\t\t// update index\n\t\t\tindexVertex += nbVertex;\n\n\t\t}\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isMesh === true ) {\n\n\t\t\t\tparseMesh( child );\n\n\t\t\t}\n\n\t\t\tif ( child.isLine === true ) {\n\n\t\t\t\tparseLine( child );\n\n\t\t\t}\n\n\t\t\tif ( child.isPoints === true ) {\n\n\t\t\t\tparsePoints( child );\n\n\t\t\t}\n\n\t\t} );\n\n\t\treturn output;\n\n\t}\n\n}\n\nexport { OBJExporter };\n","/**\n * Text = 3D Text\n *\n * parameters = {\n * font: , // font\n *\n * size: , // size of the text\n * height: , // thickness to extrude text\n * curveSegments: , // number of points on the curves\n *\n * bevelEnabled: , // turn on bevel\n * bevelThickness: , // how deep into text bevel goes\n * bevelSize: , // how far from text outline (including bevelOffset) is bevel\n * bevelOffset: // how far from text outline does bevel start\n * }\n */\n\nimport {\n\tExtrudeGeometry\n} from 'three';\n\nclass TextGeometry extends ExtrudeGeometry {\n\n\tconstructor( text, parameters = {} ) {\n\n\t\tconst font = parameters.font;\n\n\t\tif ( font === undefined ) {\n\n\t\t\tsuper(); // generate default extrude geometry\n\n\t\t} else {\n\n\t\t\tconst shapes = font.generateShapes( text, parameters.size );\n\n\t\t\t// translate parameters to ExtrudeGeometry API\n\n\t\t\tparameters.depth = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t\t// defaults\n\n\t\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\t\tsuper( shapes, parameters );\n\n\t\t}\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n}\n\n\nexport { TextGeometry };\n","import * as THREE from 'three';\n\nconst vpTemp = new THREE.Vector4();\n\nclass ViewHelper extends THREE.Object3D {\n\n\tconstructor( editorCamera, dom ) {\n\n\t\tsuper();\n\n\t\tthis.isViewHelper = true;\n\n\t\tthis.animating = false;\n\t\tthis.controls = null;\n\n\t\tconst color1 = new THREE.Color( '#ff3653' );\n\t\tconst color2 = new THREE.Color( '#8adb00' );\n\t\tconst color3 = new THREE.Color( '#2c8fff' );\n\n\t\tconst interactiveObjects = [];\n\t\tconst raycaster = new THREE.Raycaster();\n\t\tconst mouse = new THREE.Vector2();\n\t\tconst dummy = new THREE.Object3D();\n\n\t\tconst camera = new THREE.OrthographicCamera( - 2, 2, 2, - 2, 0, 4 );\n\t\tcamera.position.set( 0, 0, 2 );\n\n\t\tconst geometry = new THREE.BoxGeometry( 0.8, 0.05, 0.05 ).translate( 0.4, 0, 0 );\n\n\t\tconst xAxis = new THREE.Mesh( geometry, getAxisMaterial( color1 ) );\n\t\tconst yAxis = new THREE.Mesh( geometry, getAxisMaterial( color2 ) );\n\t\tconst zAxis = new THREE.Mesh( geometry, getAxisMaterial( color3 ) );\n\n\t\tyAxis.rotation.z = Math.PI / 2;\n\t\tzAxis.rotation.y = - Math.PI / 2;\n\n\t\tthis.add( xAxis );\n\t\tthis.add( zAxis );\n\t\tthis.add( yAxis );\n\n\t\tconst posXAxisHelper = new THREE.Sprite( getSpriteMaterial( color1, 'X' ) );\n\t\tposXAxisHelper.userData.type = 'posX';\n\t\tconst posYAxisHelper = new THREE.Sprite( getSpriteMaterial( color2, 'Y' ) );\n\t\tposYAxisHelper.userData.type = 'posY';\n\t\tconst posZAxisHelper = new THREE.Sprite( getSpriteMaterial( color3, 'Z' ) );\n\t\tposZAxisHelper.userData.type = 'posZ';\n\t\tconst negXAxisHelper = new THREE.Sprite( getSpriteMaterial( color1 ) );\n\t\tnegXAxisHelper.userData.type = 'negX';\n\t\tconst negYAxisHelper = new THREE.Sprite( getSpriteMaterial( color2 ) );\n\t\tnegYAxisHelper.userData.type = 'negY';\n\t\tconst negZAxisHelper = new THREE.Sprite( getSpriteMaterial( color3 ) );\n\t\tnegZAxisHelper.userData.type = 'negZ';\n\n\t\tposXAxisHelper.position.x = 1;\n\t\tposYAxisHelper.position.y = 1;\n\t\tposZAxisHelper.position.z = 1;\n\t\tnegXAxisHelper.position.x = - 1;\n\t\tnegXAxisHelper.scale.setScalar( 0.8 );\n\t\tnegYAxisHelper.position.y = - 1;\n\t\tnegYAxisHelper.scale.setScalar( 0.8 );\n\t\tnegZAxisHelper.position.z = - 1;\n\t\tnegZAxisHelper.scale.setScalar( 0.8 );\n\n\t\tthis.add( posXAxisHelper );\n\t\tthis.add( posYAxisHelper );\n\t\tthis.add( posZAxisHelper );\n\t\tthis.add( negXAxisHelper );\n\t\tthis.add( negYAxisHelper );\n\t\tthis.add( negZAxisHelper );\n\n\t\tinteractiveObjects.push( posXAxisHelper );\n\t\tinteractiveObjects.push( posYAxisHelper );\n\t\tinteractiveObjects.push( posZAxisHelper );\n\t\tinteractiveObjects.push( negXAxisHelper );\n\t\tinteractiveObjects.push( negYAxisHelper );\n\t\tinteractiveObjects.push( negZAxisHelper );\n\n\t\tconst point = new THREE.Vector3();\n\t\tconst dim = 128;\n\t\tconst turnRate = 2 * Math.PI; // turn rate in angles per second\n\n\t\tthis.render = function ( renderer ) {\n\n\t\t\tthis.quaternion.copy( editorCamera.quaternion ).invert();\n\t\t\tthis.updateMatrixWorld();\n\n\t\t\tpoint.set( 0, 0, 1 );\n\t\t\tpoint.applyQuaternion( editorCamera.quaternion );\n\n\t\t\tif ( point.x >= 0 ) {\n\n\t\t\t\tposXAxisHelper.material.opacity = 1;\n\t\t\t\tnegXAxisHelper.material.opacity = 0.5;\n\n\t\t\t} else {\n\n\t\t\t\tposXAxisHelper.material.opacity = 0.5;\n\t\t\t\tnegXAxisHelper.material.opacity = 1;\n\n\t\t\t}\n\n\t\t\tif ( point.y >= 0 ) {\n\n\t\t\t\tposYAxisHelper.material.opacity = 1;\n\t\t\t\tnegYAxisHelper.material.opacity = 0.5;\n\n\t\t\t} else {\n\n\t\t\t\tposYAxisHelper.material.opacity = 0.5;\n\t\t\t\tnegYAxisHelper.material.opacity = 1;\n\n\t\t\t}\n\n\t\t\tif ( point.z >= 0 ) {\n\n\t\t\t\tposZAxisHelper.material.opacity = 1;\n\t\t\t\tnegZAxisHelper.material.opacity = 0.5;\n\n\t\t\t} else {\n\n\t\t\t\tposZAxisHelper.material.opacity = 0.5;\n\t\t\t\tnegZAxisHelper.material.opacity = 1;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst x = dom.offsetWidth - dim;\n\n\t\t\trenderer.clearDepth();\n\n\t\t\trenderer.getViewport( vpTemp );\n\t\t\trenderer.setViewport( x, 0, dim, dim );\n\n\t\t\trenderer.render( this, camera );\n\n\t\t\trenderer.setViewport( vpTemp.x, vpTemp.y, vpTemp.z, vpTemp.w );\n\n\t\t};\n\n\t\tconst targetPosition = new THREE.Vector3();\n\t\tconst targetQuaternion = new THREE.Quaternion();\n\n\t\tconst q1 = new THREE.Quaternion();\n\t\tconst q2 = new THREE.Quaternion();\n\t\tlet radius = 0;\n\n\t\tthis.handleClick = function ( event ) {\n\n\t\t\tif ( this.animating === true ) return false;\n\n\t\t\tconst rect = dom.getBoundingClientRect();\n\t\t\tconst offsetX = rect.left + ( dom.offsetWidth - dim );\n\t\t\tconst offsetY = rect.top + ( dom.offsetHeight - dim );\n\t\t\tmouse.x = ( ( event.clientX - offsetX ) / ( rect.width - offsetX ) ) * 2 - 1;\n\t\t\tmouse.y = - ( ( event.clientY - offsetY ) / ( rect.bottom - offsetY ) ) * 2 + 1;\n\n\t\t\traycaster.setFromCamera( mouse, camera );\n\n\t\t\tconst intersects = raycaster.intersectObjects( interactiveObjects );\n\n\t\t\tif ( intersects.length > 0 ) {\n\n\t\t\t\tconst intersection = intersects[ 0 ];\n\t\t\t\tconst object = intersection.object;\n\n\t\t\t\tprepareAnimationData( object, this.controls.center );\n\n\t\t\t\tthis.animating = true;\n\n\t\t\t\treturn true;\n\n\t\t\t} else {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.update = function ( delta ) {\n\n\t\t\tconst step = delta * turnRate;\n\t\t\tconst focusPoint = this.controls.center;\n\n\t\t\t// animate position by doing a slerp and then scaling the position on the unit sphere\n\n\t\t\tq1.rotateTowards( q2, step );\n\t\t\teditorCamera.position.set( 0, 0, 1 ).applyQuaternion( q1 ).multiplyScalar( radius ).add( focusPoint );\n\n\t\t\t// animate orientation\n\n\t\t\teditorCamera.quaternion.rotateTowards( targetQuaternion, step );\n\n\t\t\tif ( q1.angleTo( q2 ) === 0 ) {\n\n\t\t\t\tthis.animating = false;\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction prepareAnimationData( object, focusPoint ) {\n\n\t\t\tswitch ( object.userData.type ) {\n\n\t\t\t\tcase 'posX':\n\t\t\t\t\ttargetPosition.set( 1, 0, 0 );\n\t\t\t\t\ttargetQuaternion.setFromEuler( new THREE.Euler( 0, Math.PI * 0.5, 0 ) );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'posY':\n\t\t\t\t\ttargetPosition.set( 0, 1, 0 );\n\t\t\t\t\ttargetQuaternion.setFromEuler( new THREE.Euler( - Math.PI * 0.5, 0, 0 ) );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'posZ':\n\t\t\t\t\ttargetPosition.set( 0, 0, 1 );\n\t\t\t\t\ttargetQuaternion.setFromEuler( new THREE.Euler() );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'negX':\n\t\t\t\t\ttargetPosition.set( - 1, 0, 0 );\n\t\t\t\t\ttargetQuaternion.setFromEuler( new THREE.Euler( 0, - Math.PI * 0.5, 0 ) );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'negY':\n\t\t\t\t\ttargetPosition.set( 0, - 1, 0 );\n\t\t\t\t\ttargetQuaternion.setFromEuler( new THREE.Euler( Math.PI * 0.5, 0, 0 ) );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'negZ':\n\t\t\t\t\ttargetPosition.set( 0, 0, - 1 );\n\t\t\t\t\ttargetQuaternion.setFromEuler( new THREE.Euler( 0, Math.PI, 0 ) );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tconsole.error( 'ViewHelper: Invalid axis.' );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tradius = editorCamera.position.distanceTo( focusPoint );\n\t\t\ttargetPosition.multiplyScalar( radius ).add( focusPoint );\n\n\t\t\tdummy.position.copy( focusPoint );\n\n\t\t\tdummy.lookAt( editorCamera.position );\n\t\t\tq1.copy( dummy.quaternion );\n\n\t\t\tdummy.lookAt( targetPosition );\n\t\t\tq2.copy( dummy.quaternion );\n\n\t\t}\n\n\t\tfunction getAxisMaterial( color ) {\n\n\t\t\treturn new THREE.MeshBasicMaterial( { color: color, toneMapped: false } );\n\n\t\t}\n\n\t\tfunction getSpriteMaterial( color, text = null ) {\n\n\t\t\tconst canvas = document.createElement( 'canvas' );\n\t\t\tcanvas.width = 64;\n\t\t\tcanvas.height = 64;\n\n\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\tcontext.beginPath();\n\t\t\tcontext.arc( 32, 32, 16, 0, 2 * Math.PI );\n\t\t\tcontext.closePath();\n\t\t\tcontext.fillStyle = color.getStyle();\n\t\t\tcontext.fill();\n\n\t\t\tif ( text !== null ) {\n\n\t\t\t\tcontext.font = '24px Arial';\n\t\t\t\tcontext.textAlign = 'center';\n\t\t\t\tcontext.fillStyle = '#000000';\n\t\t\t\tcontext.fillText( text, 32, 41 );\n\n\t\t\t}\n\n\t\t\tconst texture = new THREE.CanvasTexture( canvas );\n\n\t\t\treturn new THREE.SpriteMaterial( { map: texture, toneMapped: false } );\n\n\t\t}\n\n\t}\n\n}\n\nexport { ViewHelper };\n","/*!\nfflate - fast JavaScript compression/decompression\n\nLicensed under MIT. https://github.com/101arrowz/fflate/blob/master/LICENSE\nversion 0.6.9\n*/\n\n// DEFLATE is a complex format; to read this code, you should probably check the RFC first:\n// https://tools.ietf.org/html/rfc1951\n// You may also wish to take a look at the guide I made about this program:\n// https://gist.github.com/101arrowz/253f31eb5abc3d9275ab943003ffecad\n// Some of the following code is similar to that of UZIP.js:\n// https://github.com/photopea/UZIP.js\n// However, the vast majority of the codebase has diverged from UZIP.js to increase performance and reduce bundle size.\n// Sometimes 0 will appear where -1 would be more appropriate. This is because using a uint\n// is better for memory in most engines (I *think*).\nvar ch2 = {};\nvar durl = function (c) { return URL.createObjectURL(new Blob([c], { type: 'text/javascript' })); };\nvar cwk = function (u) { return new Worker(u); };\ntry {\n URL.revokeObjectURL(durl(''));\n}\ncatch (e) {\n // We're in Deno or a very old browser\n durl = function (c) { return 'data:application/javascript;charset=UTF-8,' + encodeURI(c); };\n // If Deno, this is necessary; if not, this changes nothing\n cwk = function (u) { return new Worker(u, { type: 'module' }); };\n}\nvar wk = (function (c, id, msg, transfer, cb) {\n var w = cwk(ch2[id] || (ch2[id] = durl(c)));\n w.onerror = function (e) { return cb(e.error, null); };\n w.onmessage = function (e) { return cb(null, e.data); };\n w.postMessage(msg, transfer);\n return w;\n});\n\n// aliases for shorter compressed code (most minifers don't do this)\nvar u8 = Uint8Array, u16 = Uint16Array, u32 = Uint32Array;\n// fixed length extra bits\nvar fleb = new u8([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, /* unused */ 0, 0, /* impossible */ 0]);\n// fixed distance extra bits\n// see fleb note\nvar fdeb = new u8([0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, /* unused */ 0, 0]);\n// code length index map\nvar clim = new u8([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]);\n// get base, reverse index map from extra bits\nvar freb = function (eb, start) {\n var b = new u16(31);\n for (var i = 0; i < 31; ++i) {\n b[i] = start += 1 << eb[i - 1];\n }\n // numbers here are at max 18 bits\n var r = new u32(b[30]);\n for (var i = 1; i < 30; ++i) {\n for (var j = b[i]; j < b[i + 1]; ++j) {\n r[j] = ((j - b[i]) << 5) | i;\n }\n }\n return [b, r];\n};\nvar _a = freb(fleb, 2), fl = _a[0], revfl = _a[1];\n// we can ignore the fact that the other numbers are wrong; they never happen anyway\nfl[28] = 258, revfl[258] = 28;\nvar _b = freb(fdeb, 0), fd = _b[0], revfd = _b[1];\n// map of value to reverse (assuming 16 bits)\nvar rev = new u16(32768);\nfor (var i = 0; i < 32768; ++i) {\n // reverse table algorithm from SO\n var x = ((i & 0xAAAA) >>> 1) | ((i & 0x5555) << 1);\n x = ((x & 0xCCCC) >>> 2) | ((x & 0x3333) << 2);\n x = ((x & 0xF0F0) >>> 4) | ((x & 0x0F0F) << 4);\n rev[i] = (((x & 0xFF00) >>> 8) | ((x & 0x00FF) << 8)) >>> 1;\n}\n// create huffman tree from u8 \"map\": index -> code length for code index\n// mb (max bits) must be at most 15\n// TODO: optimize/split up?\nvar hMap = (function (cd, mb, r) {\n var s = cd.length;\n // index\n var i = 0;\n // u16 \"map\": index -> # of codes with bit length = index\n var l = new u16(mb);\n // length of cd must be 288 (total # of codes)\n for (; i < s; ++i)\n ++l[cd[i] - 1];\n // u16 \"map\": index -> minimum code for bit length = index\n var le = new u16(mb);\n for (i = 0; i < mb; ++i) {\n le[i] = (le[i - 1] + l[i - 1]) << 1;\n }\n var co;\n if (r) {\n // u16 \"map\": index -> number of actual bits, symbol for code\n co = new u16(1 << mb);\n // bits to remove for reverser\n var rvb = 15 - mb;\n for (i = 0; i < s; ++i) {\n // ignore 0 lengths\n if (cd[i]) {\n // num encoding both symbol and bits read\n var sv = (i << 4) | cd[i];\n // free bits\n var r_1 = mb - cd[i];\n // start value\n var v = le[cd[i] - 1]++ << r_1;\n // m is end value\n for (var m = v | ((1 << r_1) - 1); v <= m; ++v) {\n // every 16 bit value starting with the code yields the same result\n co[rev[v] >>> rvb] = sv;\n }\n }\n }\n }\n else {\n co = new u16(s);\n for (i = 0; i < s; ++i) {\n if (cd[i]) {\n co[i] = rev[le[cd[i] - 1]++] >>> (15 - cd[i]);\n }\n }\n }\n return co;\n});\n// fixed length tree\nvar flt = new u8(288);\nfor (var i = 0; i < 144; ++i)\n flt[i] = 8;\nfor (var i = 144; i < 256; ++i)\n flt[i] = 9;\nfor (var i = 256; i < 280; ++i)\n flt[i] = 7;\nfor (var i = 280; i < 288; ++i)\n flt[i] = 8;\n// fixed distance tree\nvar fdt = new u8(32);\nfor (var i = 0; i < 32; ++i)\n fdt[i] = 5;\n// fixed length map\nvar flm = /*#__PURE__*/ hMap(flt, 9, 0), flrm = /*#__PURE__*/ hMap(flt, 9, 1);\n// fixed distance map\nvar fdm = /*#__PURE__*/ hMap(fdt, 5, 0), fdrm = /*#__PURE__*/ hMap(fdt, 5, 1);\n// find max of array\nvar max = function (a) {\n var m = a[0];\n for (var i = 1; i < a.length; ++i) {\n if (a[i] > m)\n m = a[i];\n }\n return m;\n};\n// read d, starting at bit p and mask with m\nvar bits = function (d, p, m) {\n var o = (p / 8) | 0;\n return ((d[o] | (d[o + 1] << 8)) >> (p & 7)) & m;\n};\n// read d, starting at bit p continuing for at least 16 bits\nvar bits16 = function (d, p) {\n var o = (p / 8) | 0;\n return ((d[o] | (d[o + 1] << 8) | (d[o + 2] << 16)) >> (p & 7));\n};\n// get end of byte\nvar shft = function (p) { return ((p / 8) | 0) + (p & 7 && 1); };\n// typed array slice - allows garbage collector to free original reference,\n// while being more compatible than .slice\nvar slc = function (v, s, e) {\n if (s == null || s < 0)\n s = 0;\n if (e == null || e > v.length)\n e = v.length;\n // can't use .constructor in case user-supplied\n var n = new (v instanceof u16 ? u16 : v instanceof u32 ? u32 : u8)(e - s);\n n.set(v.subarray(s, e));\n return n;\n};\n// expands raw DEFLATE data\nvar inflt = function (dat, buf, st) {\n // source length\n var sl = dat.length;\n if (!sl || (st && !st.l && sl < 5))\n return buf || new u8(0);\n // have to estimate size\n var noBuf = !buf || st;\n // no state\n var noSt = !st || st.i;\n if (!st)\n st = {};\n // Assumes roughly 33% compression ratio average\n if (!buf)\n buf = new u8(sl * 3);\n // ensure buffer can fit at least l elements\n var cbuf = function (l) {\n var bl = buf.length;\n // need to increase size to fit\n if (l > bl) {\n // Double or set to necessary, whichever is greater\n var nbuf = new u8(Math.max(bl * 2, l));\n nbuf.set(buf);\n buf = nbuf;\n }\n };\n // last chunk bitpos bytes\n var final = st.f || 0, pos = st.p || 0, bt = st.b || 0, lm = st.l, dm = st.d, lbt = st.m, dbt = st.n;\n // total bits\n var tbts = sl * 8;\n do {\n if (!lm) {\n // BFINAL - this is only 1 when last chunk is next\n st.f = final = bits(dat, pos, 1);\n // type: 0 = no compression, 1 = fixed huffman, 2 = dynamic huffman\n var type = bits(dat, pos + 1, 3);\n pos += 3;\n if (!type) {\n // go to end of byte boundary\n var s = shft(pos) + 4, l = dat[s - 4] | (dat[s - 3] << 8), t = s + l;\n if (t > sl) {\n if (noSt)\n throw 'unexpected EOF';\n break;\n }\n // ensure size\n if (noBuf)\n cbuf(bt + l);\n // Copy over uncompressed data\n buf.set(dat.subarray(s, t), bt);\n // Get new bitpos, update byte count\n st.b = bt += l, st.p = pos = t * 8;\n continue;\n }\n else if (type == 1)\n lm = flrm, dm = fdrm, lbt = 9, dbt = 5;\n else if (type == 2) {\n // literal lengths\n var hLit = bits(dat, pos, 31) + 257, hcLen = bits(dat, pos + 10, 15) + 4;\n var tl = hLit + bits(dat, pos + 5, 31) + 1;\n pos += 14;\n // length+distance tree\n var ldt = new u8(tl);\n // code length tree\n var clt = new u8(19);\n for (var i = 0; i < hcLen; ++i) {\n // use index map to get real code\n clt[clim[i]] = bits(dat, pos + i * 3, 7);\n }\n pos += hcLen * 3;\n // code lengths bits\n var clb = max(clt), clbmsk = (1 << clb) - 1;\n // code lengths map\n var clm = hMap(clt, clb, 1);\n for (var i = 0; i < tl;) {\n var r = clm[bits(dat, pos, clbmsk)];\n // bits read\n pos += r & 15;\n // symbol\n var s = r >>> 4;\n // code length to copy\n if (s < 16) {\n ldt[i++] = s;\n }\n else {\n // copy count\n var c = 0, n = 0;\n if (s == 16)\n n = 3 + bits(dat, pos, 3), pos += 2, c = ldt[i - 1];\n else if (s == 17)\n n = 3 + bits(dat, pos, 7), pos += 3;\n else if (s == 18)\n n = 11 + bits(dat, pos, 127), pos += 7;\n while (n--)\n ldt[i++] = c;\n }\n }\n // length tree distance tree\n var lt = ldt.subarray(0, hLit), dt = ldt.subarray(hLit);\n // max length bits\n lbt = max(lt);\n // max dist bits\n dbt = max(dt);\n lm = hMap(lt, lbt, 1);\n dm = hMap(dt, dbt, 1);\n }\n else\n throw 'invalid block type';\n if (pos > tbts) {\n if (noSt)\n throw 'unexpected EOF';\n break;\n }\n }\n // Make sure the buffer can hold this + the largest possible addition\n // Maximum chunk size (practically, theoretically infinite) is 2^17;\n if (noBuf)\n cbuf(bt + 131072);\n var lms = (1 << lbt) - 1, dms = (1 << dbt) - 1;\n var lpos = pos;\n for (;; lpos = pos) {\n // bits read, code\n var c = lm[bits16(dat, pos) & lms], sym = c >>> 4;\n pos += c & 15;\n if (pos > tbts) {\n if (noSt)\n throw 'unexpected EOF';\n break;\n }\n if (!c)\n throw 'invalid length/literal';\n if (sym < 256)\n buf[bt++] = sym;\n else if (sym == 256) {\n lpos = pos, lm = null;\n break;\n }\n else {\n var add = sym - 254;\n // no extra bits needed if less\n if (sym > 264) {\n // index\n var i = sym - 257, b = fleb[i];\n add = bits(dat, pos, (1 << b) - 1) + fl[i];\n pos += b;\n }\n // dist\n var d = dm[bits16(dat, pos) & dms], dsym = d >>> 4;\n if (!d)\n throw 'invalid distance';\n pos += d & 15;\n var dt = fd[dsym];\n if (dsym > 3) {\n var b = fdeb[dsym];\n dt += bits16(dat, pos) & ((1 << b) - 1), pos += b;\n }\n if (pos > tbts) {\n if (noSt)\n throw 'unexpected EOF';\n break;\n }\n if (noBuf)\n cbuf(bt + 131072);\n var end = bt + add;\n for (; bt < end; bt += 4) {\n buf[bt] = buf[bt - dt];\n buf[bt + 1] = buf[bt + 1 - dt];\n buf[bt + 2] = buf[bt + 2 - dt];\n buf[bt + 3] = buf[bt + 3 - dt];\n }\n bt = end;\n }\n }\n st.l = lm, st.p = lpos, st.b = bt;\n if (lm)\n final = 1, st.m = lbt, st.d = dm, st.n = dbt;\n } while (!final);\n return bt == buf.length ? buf : slc(buf, 0, bt);\n};\n// starting at p, write the minimum number of bits that can hold v to d\nvar wbits = function (d, p, v) {\n v <<= p & 7;\n var o = (p / 8) | 0;\n d[o] |= v;\n d[o + 1] |= v >>> 8;\n};\n// starting at p, write the minimum number of bits (>8) that can hold v to d\nvar wbits16 = function (d, p, v) {\n v <<= p & 7;\n var o = (p / 8) | 0;\n d[o] |= v;\n d[o + 1] |= v >>> 8;\n d[o + 2] |= v >>> 16;\n};\n// creates code lengths from a frequency table\nvar hTree = function (d, mb) {\n // Need extra info to make a tree\n var t = [];\n for (var i = 0; i < d.length; ++i) {\n if (d[i])\n t.push({ s: i, f: d[i] });\n }\n var s = t.length;\n var t2 = t.slice();\n if (!s)\n return [et, 0];\n if (s == 1) {\n var v = new u8(t[0].s + 1);\n v[t[0].s] = 1;\n return [v, 1];\n }\n t.sort(function (a, b) { return a.f - b.f; });\n // after i2 reaches last ind, will be stopped\n // freq must be greater than largest possible number of symbols\n t.push({ s: -1, f: 25001 });\n var l = t[0], r = t[1], i0 = 0, i1 = 1, i2 = 2;\n t[0] = { s: -1, f: l.f + r.f, l: l, r: r };\n // efficient algorithm from UZIP.js\n // i0 is lookbehind, i2 is lookahead - after processing two low-freq\n // symbols that combined have high freq, will start processing i2 (high-freq,\n // non-composite) symbols instead\n // see https://reddit.com/r/photopea/comments/ikekht/uzipjs_questions/\n while (i1 != s - 1) {\n l = t[t[i0].f < t[i2].f ? i0++ : i2++];\n r = t[i0 != i1 && t[i0].f < t[i2].f ? i0++ : i2++];\n t[i1++] = { s: -1, f: l.f + r.f, l: l, r: r };\n }\n var maxSym = t2[0].s;\n for (var i = 1; i < s; ++i) {\n if (t2[i].s > maxSym)\n maxSym = t2[i].s;\n }\n // code lengths\n var tr = new u16(maxSym + 1);\n // max bits in tree\n var mbt = ln(t[i1 - 1], tr, 0);\n if (mbt > mb) {\n // more algorithms from UZIP.js\n // TODO: find out how this code works (debt)\n // ind debt\n var i = 0, dt = 0;\n // left cost\n var lft = mbt - mb, cst = 1 << lft;\n t2.sort(function (a, b) { return tr[b.s] - tr[a.s] || a.f - b.f; });\n for (; i < s; ++i) {\n var i2_1 = t2[i].s;\n if (tr[i2_1] > mb) {\n dt += cst - (1 << (mbt - tr[i2_1]));\n tr[i2_1] = mb;\n }\n else\n break;\n }\n dt >>>= lft;\n while (dt > 0) {\n var i2_2 = t2[i].s;\n if (tr[i2_2] < mb)\n dt -= 1 << (mb - tr[i2_2]++ - 1);\n else\n ++i;\n }\n for (; i >= 0 && dt; --i) {\n var i2_3 = t2[i].s;\n if (tr[i2_3] == mb) {\n --tr[i2_3];\n ++dt;\n }\n }\n mbt = mb;\n }\n return [new u8(tr), mbt];\n};\n// get the max length and assign length codes\nvar ln = function (n, l, d) {\n return n.s == -1\n ? Math.max(ln(n.l, l, d + 1), ln(n.r, l, d + 1))\n : (l[n.s] = d);\n};\n// length codes generation\nvar lc = function (c) {\n var s = c.length;\n // Note that the semicolon was intentional\n while (s && !c[--s])\n ;\n var cl = new u16(++s);\n // ind num streak\n var cli = 0, cln = c[0], cls = 1;\n var w = function (v) { cl[cli++] = v; };\n for (var i = 1; i <= s; ++i) {\n if (c[i] == cln && i != s)\n ++cls;\n else {\n if (!cln && cls > 2) {\n for (; cls > 138; cls -= 138)\n w(32754);\n if (cls > 2) {\n w(cls > 10 ? ((cls - 11) << 5) | 28690 : ((cls - 3) << 5) | 12305);\n cls = 0;\n }\n }\n else if (cls > 3) {\n w(cln), --cls;\n for (; cls > 6; cls -= 6)\n w(8304);\n if (cls > 2)\n w(((cls - 3) << 5) | 8208), cls = 0;\n }\n while (cls--)\n w(cln);\n cls = 1;\n cln = c[i];\n }\n }\n return [cl.subarray(0, cli), s];\n};\n// calculate the length of output from tree, code lengths\nvar clen = function (cf, cl) {\n var l = 0;\n for (var i = 0; i < cl.length; ++i)\n l += cf[i] * cl[i];\n return l;\n};\n// writes a fixed block\n// returns the new bit pos\nvar wfblk = function (out, pos, dat) {\n // no need to write 00 as type: TypedArray defaults to 0\n var s = dat.length;\n var o = shft(pos + 2);\n out[o] = s & 255;\n out[o + 1] = s >>> 8;\n out[o + 2] = out[o] ^ 255;\n out[o + 3] = out[o + 1] ^ 255;\n for (var i = 0; i < s; ++i)\n out[o + i + 4] = dat[i];\n return (o + 4 + s) * 8;\n};\n// writes a block\nvar wblk = function (dat, out, final, syms, lf, df, eb, li, bs, bl, p) {\n wbits(out, p++, final);\n ++lf[256];\n var _a = hTree(lf, 15), dlt = _a[0], mlb = _a[1];\n var _b = hTree(df, 15), ddt = _b[0], mdb = _b[1];\n var _c = lc(dlt), lclt = _c[0], nlc = _c[1];\n var _d = lc(ddt), lcdt = _d[0], ndc = _d[1];\n var lcfreq = new u16(19);\n for (var i = 0; i < lclt.length; ++i)\n lcfreq[lclt[i] & 31]++;\n for (var i = 0; i < lcdt.length; ++i)\n lcfreq[lcdt[i] & 31]++;\n var _e = hTree(lcfreq, 7), lct = _e[0], mlcb = _e[1];\n var nlcc = 19;\n for (; nlcc > 4 && !lct[clim[nlcc - 1]]; --nlcc)\n ;\n var flen = (bl + 5) << 3;\n var ftlen = clen(lf, flt) + clen(df, fdt) + eb;\n var dtlen = clen(lf, dlt) + clen(df, ddt) + eb + 14 + 3 * nlcc + clen(lcfreq, lct) + (2 * lcfreq[16] + 3 * lcfreq[17] + 7 * lcfreq[18]);\n if (flen <= ftlen && flen <= dtlen)\n return wfblk(out, p, dat.subarray(bs, bs + bl));\n var lm, ll, dm, dl;\n wbits(out, p, 1 + (dtlen < ftlen)), p += 2;\n if (dtlen < ftlen) {\n lm = hMap(dlt, mlb, 0), ll = dlt, dm = hMap(ddt, mdb, 0), dl = ddt;\n var llm = hMap(lct, mlcb, 0);\n wbits(out, p, nlc - 257);\n wbits(out, p + 5, ndc - 1);\n wbits(out, p + 10, nlcc - 4);\n p += 14;\n for (var i = 0; i < nlcc; ++i)\n wbits(out, p + 3 * i, lct[clim[i]]);\n p += 3 * nlcc;\n var lcts = [lclt, lcdt];\n for (var it = 0; it < 2; ++it) {\n var clct = lcts[it];\n for (var i = 0; i < clct.length; ++i) {\n var len = clct[i] & 31;\n wbits(out, p, llm[len]), p += lct[len];\n if (len > 15)\n wbits(out, p, (clct[i] >>> 5) & 127), p += clct[i] >>> 12;\n }\n }\n }\n else {\n lm = flm, ll = flt, dm = fdm, dl = fdt;\n }\n for (var i = 0; i < li; ++i) {\n if (syms[i] > 255) {\n var len = (syms[i] >>> 18) & 31;\n wbits16(out, p, lm[len + 257]), p += ll[len + 257];\n if (len > 7)\n wbits(out, p, (syms[i] >>> 23) & 31), p += fleb[len];\n var dst = syms[i] & 31;\n wbits16(out, p, dm[dst]), p += dl[dst];\n if (dst > 3)\n wbits16(out, p, (syms[i] >>> 5) & 8191), p += fdeb[dst];\n }\n else {\n wbits16(out, p, lm[syms[i]]), p += ll[syms[i]];\n }\n }\n wbits16(out, p, lm[256]);\n return p + ll[256];\n};\n// deflate options (nice << 13) | chain\nvar deo = /*#__PURE__*/ new u32([65540, 131080, 131088, 131104, 262176, 1048704, 1048832, 2114560, 2117632]);\n// empty\nvar et = /*#__PURE__*/ new u8(0);\n// compresses data into a raw DEFLATE buffer\nvar dflt = function (dat, lvl, plvl, pre, post, lst) {\n var s = dat.length;\n var o = new u8(pre + s + 5 * (1 + Math.ceil(s / 7000)) + post);\n // writing to this writes to the output buffer\n var w = o.subarray(pre, o.length - post);\n var pos = 0;\n if (!lvl || s < 8) {\n for (var i = 0; i <= s; i += 65535) {\n // end\n var e = i + 65535;\n if (e < s) {\n // write full block\n pos = wfblk(w, pos, dat.subarray(i, e));\n }\n else {\n // write final block\n w[i] = lst;\n pos = wfblk(w, pos, dat.subarray(i, s));\n }\n }\n }\n else {\n var opt = deo[lvl - 1];\n var n = opt >>> 13, c = opt & 8191;\n var msk_1 = (1 << plvl) - 1;\n // prev 2-byte val map curr 2-byte val map\n var prev = new u16(32768), head = new u16(msk_1 + 1);\n var bs1_1 = Math.ceil(plvl / 3), bs2_1 = 2 * bs1_1;\n var hsh = function (i) { return (dat[i] ^ (dat[i + 1] << bs1_1) ^ (dat[i + 2] << bs2_1)) & msk_1; };\n // 24576 is an arbitrary number of maximum symbols per block\n // 424 buffer for last block\n var syms = new u32(25000);\n // length/literal freq distance freq\n var lf = new u16(288), df = new u16(32);\n // l/lcnt exbits index l/lind waitdx bitpos\n var lc_1 = 0, eb = 0, i = 0, li = 0, wi = 0, bs = 0;\n for (; i < s; ++i) {\n // hash value\n // deopt when i > s - 3 - at end, deopt acceptable\n var hv = hsh(i);\n // index mod 32768 previous index mod\n var imod = i & 32767, pimod = head[hv];\n prev[imod] = pimod;\n head[hv] = imod;\n // We always should modify head and prev, but only add symbols if\n // this data is not yet processed (\"wait\" for wait index)\n if (wi <= i) {\n // bytes remaining\n var rem = s - i;\n if ((lc_1 > 7000 || li > 24576) && rem > 423) {\n pos = wblk(dat, w, 0, syms, lf, df, eb, li, bs, i - bs, pos);\n li = lc_1 = eb = 0, bs = i;\n for (var j = 0; j < 286; ++j)\n lf[j] = 0;\n for (var j = 0; j < 30; ++j)\n df[j] = 0;\n }\n // len dist chain\n var l = 2, d = 0, ch_1 = c, dif = (imod - pimod) & 32767;\n if (rem > 2 && hv == hsh(i - dif)) {\n var maxn = Math.min(n, rem) - 1;\n var maxd = Math.min(32767, i);\n // max possible length\n // not capped at dif because decompressors implement \"rolling\" index population\n var ml = Math.min(258, rem);\n while (dif <= maxd && --ch_1 && imod != pimod) {\n if (dat[i + l] == dat[i + l - dif]) {\n var nl = 0;\n for (; nl < ml && dat[i + nl] == dat[i + nl - dif]; ++nl)\n ;\n if (nl > l) {\n l = nl, d = dif;\n // break out early when we reach \"nice\" (we are satisfied enough)\n if (nl > maxn)\n break;\n // now, find the rarest 2-byte sequence within this\n // length of literals and search for that instead.\n // Much faster than just using the start\n var mmd = Math.min(dif, nl - 2);\n var md = 0;\n for (var j = 0; j < mmd; ++j) {\n var ti = (i - dif + j + 32768) & 32767;\n var pti = prev[ti];\n var cd = (ti - pti + 32768) & 32767;\n if (cd > md)\n md = cd, pimod = ti;\n }\n }\n }\n // check the previous match\n imod = pimod, pimod = prev[imod];\n dif += (imod - pimod + 32768) & 32767;\n }\n }\n // d will be nonzero only when a match was found\n if (d) {\n // store both dist and len data in one Uint32\n // Make sure this is recognized as a len/dist with 28th bit (2^28)\n syms[li++] = 268435456 | (revfl[l] << 18) | revfd[d];\n var lin = revfl[l] & 31, din = revfd[d] & 31;\n eb += fleb[lin] + fdeb[din];\n ++lf[257 + lin];\n ++df[din];\n wi = i + l;\n ++lc_1;\n }\n else {\n syms[li++] = dat[i];\n ++lf[dat[i]];\n }\n }\n }\n pos = wblk(dat, w, lst, syms, lf, df, eb, li, bs, i - bs, pos);\n // this is the easiest way to avoid needing to maintain state\n if (!lst && pos & 7)\n pos = wfblk(w, pos + 1, et);\n }\n return slc(o, 0, pre + shft(pos) + post);\n};\n// CRC32 table\nvar crct = /*#__PURE__*/ (function () {\n var t = new u32(256);\n for (var i = 0; i < 256; ++i) {\n var c = i, k = 9;\n while (--k)\n c = ((c & 1) && 0xEDB88320) ^ (c >>> 1);\n t[i] = c;\n }\n return t;\n})();\n// CRC32\nvar crc = function () {\n var c = -1;\n return {\n p: function (d) {\n // closures have awful performance\n var cr = c;\n for (var i = 0; i < d.length; ++i)\n cr = crct[(cr & 255) ^ d[i]] ^ (cr >>> 8);\n c = cr;\n },\n d: function () { return ~c; }\n };\n};\n// Alder32\nvar adler = function () {\n var a = 1, b = 0;\n return {\n p: function (d) {\n // closures have awful performance\n var n = a, m = b;\n var l = d.length;\n for (var i = 0; i != l;) {\n var e = Math.min(i + 2655, l);\n for (; i < e; ++i)\n m += n += d[i];\n n = (n & 65535) + 15 * (n >> 16), m = (m & 65535) + 15 * (m >> 16);\n }\n a = n, b = m;\n },\n d: function () {\n a %= 65521, b %= 65521;\n return (a & 255) << 24 | (a >>> 8) << 16 | (b & 255) << 8 | (b >>> 8);\n }\n };\n};\n;\n// deflate with opts\nvar dopt = function (dat, opt, pre, post, st) {\n return dflt(dat, opt.level == null ? 6 : opt.level, opt.mem == null ? Math.ceil(Math.max(8, Math.min(13, Math.log(dat.length))) * 1.5) : (12 + opt.mem), pre, post, !st);\n};\n// Walmart object spread\nvar mrg = function (a, b) {\n var o = {};\n for (var k in a)\n o[k] = a[k];\n for (var k in b)\n o[k] = b[k];\n return o;\n};\n// worker clone\n// This is possibly the craziest part of the entire codebase, despite how simple it may seem.\n// The only parameter to this function is a closure that returns an array of variables outside of the function scope.\n// We're going to try to figure out the variable names used in the closure as strings because that is crucial for workerization.\n// We will return an object mapping of true variable name to value (basically, the current scope as a JS object).\n// The reason we can't just use the original variable names is minifiers mangling the toplevel scope.\n// This took me three weeks to figure out how to do.\nvar wcln = function (fn, fnStr, td) {\n var dt = fn();\n var st = fn.toString();\n var ks = st.slice(st.indexOf('[') + 1, st.lastIndexOf(']')).replace(/ /g, '').split(',');\n for (var i = 0; i < dt.length; ++i) {\n var v = dt[i], k = ks[i];\n if (typeof v == 'function') {\n fnStr += ';' + k + '=';\n var st_1 = v.toString();\n if (v.prototype) {\n // for global objects\n if (st_1.indexOf('[native code]') != -1) {\n var spInd = st_1.indexOf(' ', 8) + 1;\n fnStr += st_1.slice(spInd, st_1.indexOf('(', spInd));\n }\n else {\n fnStr += st_1;\n for (var t in v.prototype)\n fnStr += ';' + k + '.prototype.' + t + '=' + v.prototype[t].toString();\n }\n }\n else\n fnStr += st_1;\n }\n else\n td[k] = v;\n }\n return [fnStr, td];\n};\nvar ch = [];\n// clone bufs\nvar cbfs = function (v) {\n var tl = [];\n for (var k in v) {\n if (v[k] instanceof u8 || v[k] instanceof u16 || v[k] instanceof u32)\n tl.push((v[k] = new v[k].constructor(v[k])).buffer);\n }\n return tl;\n};\n// use a worker to execute code\nvar wrkr = function (fns, init, id, cb) {\n var _a;\n if (!ch[id]) {\n var fnStr = '', td_1 = {}, m = fns.length - 1;\n for (var i = 0; i < m; ++i)\n _a = wcln(fns[i], fnStr, td_1), fnStr = _a[0], td_1 = _a[1];\n ch[id] = wcln(fns[m], fnStr, td_1);\n }\n var td = mrg({}, ch[id][1]);\n return wk(ch[id][0] + ';onmessage=function(e){for(var k in e.data)self[k]=e.data[k];onmessage=' + init.toString() + '}', id, td, cbfs(td), cb);\n};\n// base async inflate fn\nvar bInflt = function () { return [u8, u16, u32, fleb, fdeb, clim, fl, fd, flrm, fdrm, rev, hMap, max, bits, bits16, shft, slc, inflt, inflateSync, pbf, gu8]; };\nvar bDflt = function () { return [u8, u16, u32, fleb, fdeb, clim, revfl, revfd, flm, flt, fdm, fdt, rev, deo, et, hMap, wbits, wbits16, hTree, ln, lc, clen, wfblk, wblk, shft, slc, dflt, dopt, deflateSync, pbf]; };\n// gzip extra\nvar gze = function () { return [gzh, gzhl, wbytes, crc, crct]; };\n// gunzip extra\nvar guze = function () { return [gzs, gzl]; };\n// zlib extra\nvar zle = function () { return [zlh, wbytes, adler]; };\n// unzlib extra\nvar zule = function () { return [zlv]; };\n// post buf\nvar pbf = function (msg) { return postMessage(msg, [msg.buffer]); };\n// get u8\nvar gu8 = function (o) { return o && o.size && new u8(o.size); };\n// async helper\nvar cbify = function (dat, opts, fns, init, id, cb) {\n var w = wrkr(fns, init, id, function (err, dat) {\n w.terminate();\n cb(err, dat);\n });\n w.postMessage([dat, opts], opts.consume ? [dat.buffer] : []);\n return function () { w.terminate(); };\n};\n// auto stream\nvar astrm = function (strm) {\n strm.ondata = function (dat, final) { return postMessage([dat, final], [dat.buffer]); };\n return function (ev) { return strm.push(ev.data[0], ev.data[1]); };\n};\n// async stream attach\nvar astrmify = function (fns, strm, opts, init, id) {\n var t;\n var w = wrkr(fns, init, id, function (err, dat) {\n if (err)\n w.terminate(), strm.ondata.call(strm, err);\n else {\n if (dat[1])\n w.terminate();\n strm.ondata.call(strm, err, dat[0], dat[1]);\n }\n });\n w.postMessage(opts);\n strm.push = function (d, f) {\n if (t)\n throw 'stream finished';\n if (!strm.ondata)\n throw 'no stream handler';\n w.postMessage([d, t = f], [d.buffer]);\n };\n strm.terminate = function () { w.terminate(); };\n};\n// read 2 bytes\nvar b2 = function (d, b) { return d[b] | (d[b + 1] << 8); };\n// read 4 bytes\nvar b4 = function (d, b) { return (d[b] | (d[b + 1] << 8) | (d[b + 2] << 16) | (d[b + 3] << 24)) >>> 0; };\nvar b8 = function (d, b) { return b4(d, b) + (b4(d, b + 4) * 4294967296); };\n// write bytes\nvar wbytes = function (d, b, v) {\n for (; v; ++b)\n d[b] = v, v >>>= 8;\n};\n// gzip header\nvar gzh = function (c, o) {\n var fn = o.filename;\n c[0] = 31, c[1] = 139, c[2] = 8, c[8] = o.level < 2 ? 4 : o.level == 9 ? 2 : 0, c[9] = 3; // assume Unix\n if (o.mtime != 0)\n wbytes(c, 4, Math.floor(new Date(o.mtime || Date.now()) / 1000));\n if (fn) {\n c[3] = 8;\n for (var i = 0; i <= fn.length; ++i)\n c[i + 10] = fn.charCodeAt(i);\n }\n};\n// gzip footer: -8 to -4 = CRC, -4 to -0 is length\n// gzip start\nvar gzs = function (d) {\n if (d[0] != 31 || d[1] != 139 || d[2] != 8)\n throw 'invalid gzip data';\n var flg = d[3];\n var st = 10;\n if (flg & 4)\n st += d[10] | (d[11] << 8) + 2;\n for (var zs = (flg >> 3 & 1) + (flg >> 4 & 1); zs > 0; zs -= !d[st++])\n ;\n return st + (flg & 2);\n};\n// gzip length\nvar gzl = function (d) {\n var l = d.length;\n return ((d[l - 4] | d[l - 3] << 8 | d[l - 2] << 16) | (d[l - 1] << 24)) >>> 0;\n};\n// gzip header length\nvar gzhl = function (o) { return 10 + ((o.filename && (o.filename.length + 1)) || 0); };\n// zlib header\nvar zlh = function (c, o) {\n var lv = o.level, fl = lv == 0 ? 0 : lv < 6 ? 1 : lv == 9 ? 3 : 2;\n c[0] = 120, c[1] = (fl << 6) | (fl ? (32 - 2 * fl) : 1);\n};\n// zlib valid\nvar zlv = function (d) {\n if ((d[0] & 15) != 8 || (d[0] >>> 4) > 7 || ((d[0] << 8 | d[1]) % 31))\n throw 'invalid zlib data';\n if (d[1] & 32)\n throw 'invalid zlib data: preset dictionaries not supported';\n};\nfunction AsyncCmpStrm(opts, cb) {\n if (!cb && typeof opts == 'function')\n cb = opts, opts = {};\n this.ondata = cb;\n return opts;\n}\n// zlib footer: -4 to -0 is Adler32\n/**\n * Streaming DEFLATE compression\n */\nvar Deflate = /*#__PURE__*/ (function () {\n function Deflate(opts, cb) {\n if (!cb && typeof opts == 'function')\n cb = opts, opts = {};\n this.ondata = cb;\n this.o = opts || {};\n }\n Deflate.prototype.p = function (c, f) {\n this.ondata(dopt(c, this.o, 0, 0, !f), f);\n };\n /**\n * Pushes a chunk to be deflated\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n Deflate.prototype.push = function (chunk, final) {\n if (this.d)\n throw 'stream finished';\n if (!this.ondata)\n throw 'no stream handler';\n this.d = final;\n this.p(chunk, final || false);\n };\n return Deflate;\n}());\nexport { Deflate };\n/**\n * Asynchronous streaming DEFLATE compression\n */\nvar AsyncDeflate = /*#__PURE__*/ (function () {\n function AsyncDeflate(opts, cb) {\n astrmify([\n bDflt,\n function () { return [astrm, Deflate]; }\n ], this, AsyncCmpStrm.call(this, opts, cb), function (ev) {\n var strm = new Deflate(ev.data);\n onmessage = astrm(strm);\n }, 6);\n }\n return AsyncDeflate;\n}());\nexport { AsyncDeflate };\nexport function deflate(data, opts, cb) {\n if (!cb)\n cb = opts, opts = {};\n if (typeof cb != 'function')\n throw 'no callback';\n return cbify(data, opts, [\n bDflt,\n ], function (ev) { return pbf(deflateSync(ev.data[0], ev.data[1])); }, 0, cb);\n}\n/**\n * Compresses data with DEFLATE without any wrapper\n * @param data The data to compress\n * @param opts The compression options\n * @returns The deflated version of the data\n */\nexport function deflateSync(data, opts) {\n return dopt(data, opts || {}, 0, 0);\n}\n/**\n * Streaming DEFLATE decompression\n */\nvar Inflate = /*#__PURE__*/ (function () {\n /**\n * Creates an inflation stream\n * @param cb The callback to call whenever data is inflated\n */\n function Inflate(cb) {\n this.s = {};\n this.p = new u8(0);\n this.ondata = cb;\n }\n Inflate.prototype.e = function (c) {\n if (this.d)\n throw 'stream finished';\n if (!this.ondata)\n throw 'no stream handler';\n var l = this.p.length;\n var n = new u8(l + c.length);\n n.set(this.p), n.set(c, l), this.p = n;\n };\n Inflate.prototype.c = function (final) {\n this.d = this.s.i = final || false;\n var bts = this.s.b;\n var dt = inflt(this.p, this.o, this.s);\n this.ondata(slc(dt, bts, this.s.b), this.d);\n this.o = slc(dt, this.s.b - 32768), this.s.b = this.o.length;\n this.p = slc(this.p, (this.s.p / 8) | 0), this.s.p &= 7;\n };\n /**\n * Pushes a chunk to be inflated\n * @param chunk The chunk to push\n * @param final Whether this is the final chunk\n */\n Inflate.prototype.push = function (chunk, final) {\n this.e(chunk), this.c(final);\n };\n return Inflate;\n}());\nexport { Inflate };\n/**\n * Asynchronous streaming DEFLATE decompression\n */\nvar AsyncInflate = /*#__PURE__*/ (function () {\n /**\n * Creates an asynchronous inflation stream\n * @param cb The callback to call whenever data is deflated\n */\n function AsyncInflate(cb) {\n this.ondata = cb;\n astrmify([\n bInflt,\n function () { return [astrm, Inflate]; }\n ], this, 0, function () {\n var strm = new Inflate();\n onmessage = astrm(strm);\n }, 7);\n }\n return AsyncInflate;\n}());\nexport { AsyncInflate };\nexport function inflate(data, opts, cb) {\n if (!cb)\n cb = opts, opts = {};\n if (typeof cb != 'function')\n throw 'no callback';\n return cbify(data, opts, [\n bInflt\n ], function (ev) { return pbf(inflateSync(ev.data[0], gu8(ev.data[1]))); }, 1, cb);\n}\n/**\n * Expands DEFLATE data with no wrapper\n * @param data The data to decompress\n * @param out Where to write the data. Saves memory if you know the decompressed size and provide an output buffer of that length.\n * @returns The decompressed version of the data\n */\nexport function inflateSync(data, out) {\n return inflt(data, out);\n}\n// before you yell at me for not just using extends, my reason is that TS inheritance is hard to workerize.\n/**\n * Streaming GZIP compression\n */\nvar Gzip = /*#__PURE__*/ (function () {\n function Gzip(opts, cb) {\n this.c = crc();\n this.l = 0;\n this.v = 1;\n Deflate.call(this, opts, cb);\n }\n /**\n * Pushes a chunk to be GZIPped\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n Gzip.prototype.push = function (chunk, final) {\n Deflate.prototype.push.call(this, chunk, final);\n };\n Gzip.prototype.p = function (c, f) {\n this.c.p(c);\n this.l += c.length;\n var raw = dopt(c, this.o, this.v && gzhl(this.o), f && 8, !f);\n if (this.v)\n gzh(raw, this.o), this.v = 0;\n if (f)\n wbytes(raw, raw.length - 8, this.c.d()), wbytes(raw, raw.length - 4, this.l);\n this.ondata(raw, f);\n };\n return Gzip;\n}());\nexport { Gzip };\n/**\n * Asynchronous streaming GZIP compression\n */\nvar AsyncGzip = /*#__PURE__*/ (function () {\n function AsyncGzip(opts, cb) {\n astrmify([\n bDflt,\n gze,\n function () { return [astrm, Deflate, Gzip]; }\n ], this, AsyncCmpStrm.call(this, opts, cb), function (ev) {\n var strm = new Gzip(ev.data);\n onmessage = astrm(strm);\n }, 8);\n }\n return AsyncGzip;\n}());\nexport { AsyncGzip };\nexport function gzip(data, opts, cb) {\n if (!cb)\n cb = opts, opts = {};\n if (typeof cb != 'function')\n throw 'no callback';\n return cbify(data, opts, [\n bDflt,\n gze,\n function () { return [gzipSync]; }\n ], function (ev) { return pbf(gzipSync(ev.data[0], ev.data[1])); }, 2, cb);\n}\n/**\n * Compresses data with GZIP\n * @param data The data to compress\n * @param opts The compression options\n * @returns The gzipped version of the data\n */\nexport function gzipSync(data, opts) {\n if (!opts)\n opts = {};\n var c = crc(), l = data.length;\n c.p(data);\n var d = dopt(data, opts, gzhl(opts), 8), s = d.length;\n return gzh(d, opts), wbytes(d, s - 8, c.d()), wbytes(d, s - 4, l), d;\n}\n/**\n * Streaming GZIP decompression\n */\nvar Gunzip = /*#__PURE__*/ (function () {\n /**\n * Creates a GUNZIP stream\n * @param cb The callback to call whenever data is inflated\n */\n function Gunzip(cb) {\n this.v = 1;\n Inflate.call(this, cb);\n }\n /**\n * Pushes a chunk to be GUNZIPped\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n Gunzip.prototype.push = function (chunk, final) {\n Inflate.prototype.e.call(this, chunk);\n if (this.v) {\n var s = this.p.length > 3 ? gzs(this.p) : 4;\n if (s >= this.p.length && !final)\n return;\n this.p = this.p.subarray(s), this.v = 0;\n }\n if (final) {\n if (this.p.length < 8)\n throw 'invalid gzip stream';\n this.p = this.p.subarray(0, -8);\n }\n // necessary to prevent TS from using the closure value\n // This allows for workerization to function correctly\n Inflate.prototype.c.call(this, final);\n };\n return Gunzip;\n}());\nexport { Gunzip };\n/**\n * Asynchronous streaming GZIP decompression\n */\nvar AsyncGunzip = /*#__PURE__*/ (function () {\n /**\n * Creates an asynchronous GUNZIP stream\n * @param cb The callback to call whenever data is deflated\n */\n function AsyncGunzip(cb) {\n this.ondata = cb;\n astrmify([\n bInflt,\n guze,\n function () { return [astrm, Inflate, Gunzip]; }\n ], this, 0, function () {\n var strm = new Gunzip();\n onmessage = astrm(strm);\n }, 9);\n }\n return AsyncGunzip;\n}());\nexport { AsyncGunzip };\nexport function gunzip(data, opts, cb) {\n if (!cb)\n cb = opts, opts = {};\n if (typeof cb != 'function')\n throw 'no callback';\n return cbify(data, opts, [\n bInflt,\n guze,\n function () { return [gunzipSync]; }\n ], function (ev) { return pbf(gunzipSync(ev.data[0])); }, 3, cb);\n}\n/**\n * Expands GZIP data\n * @param data The data to decompress\n * @param out Where to write the data. GZIP already encodes the output size, so providing this doesn't save memory.\n * @returns The decompressed version of the data\n */\nexport function gunzipSync(data, out) {\n return inflt(data.subarray(gzs(data), -8), out || new u8(gzl(data)));\n}\n/**\n * Streaming Zlib compression\n */\nvar Zlib = /*#__PURE__*/ (function () {\n function Zlib(opts, cb) {\n this.c = adler();\n this.v = 1;\n Deflate.call(this, opts, cb);\n }\n /**\n * Pushes a chunk to be zlibbed\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n Zlib.prototype.push = function (chunk, final) {\n Deflate.prototype.push.call(this, chunk, final);\n };\n Zlib.prototype.p = function (c, f) {\n this.c.p(c);\n var raw = dopt(c, this.o, this.v && 2, f && 4, !f);\n if (this.v)\n zlh(raw, this.o), this.v = 0;\n if (f)\n wbytes(raw, raw.length - 4, this.c.d());\n this.ondata(raw, f);\n };\n return Zlib;\n}());\nexport { Zlib };\n/**\n * Asynchronous streaming Zlib compression\n */\nvar AsyncZlib = /*#__PURE__*/ (function () {\n function AsyncZlib(opts, cb) {\n astrmify([\n bDflt,\n zle,\n function () { return [astrm, Deflate, Zlib]; }\n ], this, AsyncCmpStrm.call(this, opts, cb), function (ev) {\n var strm = new Zlib(ev.data);\n onmessage = astrm(strm);\n }, 10);\n }\n return AsyncZlib;\n}());\nexport { AsyncZlib };\nexport function zlib(data, opts, cb) {\n if (!cb)\n cb = opts, opts = {};\n if (typeof cb != 'function')\n throw 'no callback';\n return cbify(data, opts, [\n bDflt,\n zle,\n function () { return [zlibSync]; }\n ], function (ev) { return pbf(zlibSync(ev.data[0], ev.data[1])); }, 4, cb);\n}\n/**\n * Compress data with Zlib\n * @param data The data to compress\n * @param opts The compression options\n * @returns The zlib-compressed version of the data\n */\nexport function zlibSync(data, opts) {\n if (!opts)\n opts = {};\n var a = adler();\n a.p(data);\n var d = dopt(data, opts, 2, 4);\n return zlh(d, opts), wbytes(d, d.length - 4, a.d()), d;\n}\n/**\n * Streaming Zlib decompression\n */\nvar Unzlib = /*#__PURE__*/ (function () {\n /**\n * Creates a Zlib decompression stream\n * @param cb The callback to call whenever data is inflated\n */\n function Unzlib(cb) {\n this.v = 1;\n Inflate.call(this, cb);\n }\n /**\n * Pushes a chunk to be unzlibbed\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n Unzlib.prototype.push = function (chunk, final) {\n Inflate.prototype.e.call(this, chunk);\n if (this.v) {\n if (this.p.length < 2 && !final)\n return;\n this.p = this.p.subarray(2), this.v = 0;\n }\n if (final) {\n if (this.p.length < 4)\n throw 'invalid zlib stream';\n this.p = this.p.subarray(0, -4);\n }\n // necessary to prevent TS from using the closure value\n // This allows for workerization to function correctly\n Inflate.prototype.c.call(this, final);\n };\n return Unzlib;\n}());\nexport { Unzlib };\n/**\n * Asynchronous streaming Zlib decompression\n */\nvar AsyncUnzlib = /*#__PURE__*/ (function () {\n /**\n * Creates an asynchronous Zlib decompression stream\n * @param cb The callback to call whenever data is deflated\n */\n function AsyncUnzlib(cb) {\n this.ondata = cb;\n astrmify([\n bInflt,\n zule,\n function () { return [astrm, Inflate, Unzlib]; }\n ], this, 0, function () {\n var strm = new Unzlib();\n onmessage = astrm(strm);\n }, 11);\n }\n return AsyncUnzlib;\n}());\nexport { AsyncUnzlib };\nexport function unzlib(data, opts, cb) {\n if (!cb)\n cb = opts, opts = {};\n if (typeof cb != 'function')\n throw 'no callback';\n return cbify(data, opts, [\n bInflt,\n zule,\n function () { return [unzlibSync]; }\n ], function (ev) { return pbf(unzlibSync(ev.data[0], gu8(ev.data[1]))); }, 5, cb);\n}\n/**\n * Expands Zlib data\n * @param data The data to decompress\n * @param out Where to write the data. Saves memory if you know the decompressed size and provide an output buffer of that length.\n * @returns The decompressed version of the data\n */\nexport function unzlibSync(data, out) {\n return inflt((zlv(data), data.subarray(2, -4)), out);\n}\n// Default algorithm for compression (used because having a known output size allows faster decompression)\nexport { gzip as compress, AsyncGzip as AsyncCompress };\n// Default algorithm for compression (used because having a known output size allows faster decompression)\nexport { gzipSync as compressSync, Gzip as Compress };\n/**\n * Streaming GZIP, Zlib, or raw DEFLATE decompression\n */\nvar Decompress = /*#__PURE__*/ (function () {\n /**\n * Creates a decompression stream\n * @param cb The callback to call whenever data is decompressed\n */\n function Decompress(cb) {\n this.G = Gunzip;\n this.I = Inflate;\n this.Z = Unzlib;\n this.ondata = cb;\n }\n /**\n * Pushes a chunk to be decompressed\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n Decompress.prototype.push = function (chunk, final) {\n if (!this.ondata)\n throw 'no stream handler';\n if (!this.s) {\n if (this.p && this.p.length) {\n var n = new u8(this.p.length + chunk.length);\n n.set(this.p), n.set(chunk, this.p.length);\n }\n else\n this.p = chunk;\n if (this.p.length > 2) {\n var _this_1 = this;\n var cb = function () { _this_1.ondata.apply(_this_1, arguments); };\n this.s = (this.p[0] == 31 && this.p[1] == 139 && this.p[2] == 8)\n ? new this.G(cb)\n : ((this.p[0] & 15) != 8 || (this.p[0] >> 4) > 7 || ((this.p[0] << 8 | this.p[1]) % 31))\n ? new this.I(cb)\n : new this.Z(cb);\n this.s.push(this.p, final);\n this.p = null;\n }\n }\n else\n this.s.push(chunk, final);\n };\n return Decompress;\n}());\nexport { Decompress };\n/**\n * Asynchronous streaming GZIP, Zlib, or raw DEFLATE decompression\n */\nvar AsyncDecompress = /*#__PURE__*/ (function () {\n /**\n * Creates an asynchronous decompression stream\n * @param cb The callback to call whenever data is decompressed\n */\n function AsyncDecompress(cb) {\n this.G = AsyncGunzip;\n this.I = AsyncInflate;\n this.Z = AsyncUnzlib;\n this.ondata = cb;\n }\n /**\n * Pushes a chunk to be decompressed\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n AsyncDecompress.prototype.push = function (chunk, final) {\n Decompress.prototype.push.call(this, chunk, final);\n };\n return AsyncDecompress;\n}());\nexport { AsyncDecompress };\nexport function decompress(data, opts, cb) {\n if (!cb)\n cb = opts, opts = {};\n if (typeof cb != 'function')\n throw 'no callback';\n return (data[0] == 31 && data[1] == 139 && data[2] == 8)\n ? gunzip(data, opts, cb)\n : ((data[0] & 15) != 8 || (data[0] >> 4) > 7 || ((data[0] << 8 | data[1]) % 31))\n ? inflate(data, opts, cb)\n : unzlib(data, opts, cb);\n}\n/**\n * Expands compressed GZIP, Zlib, or raw DEFLATE data, automatically detecting the format\n * @param data The data to decompress\n * @param out Where to write the data. Saves memory if you know the decompressed size and provide an output buffer of that length.\n * @returns The decompressed version of the data\n */\nexport function decompressSync(data, out) {\n return (data[0] == 31 && data[1] == 139 && data[2] == 8)\n ? gunzipSync(data, out)\n : ((data[0] & 15) != 8 || (data[0] >> 4) > 7 || ((data[0] << 8 | data[1]) % 31))\n ? inflateSync(data, out)\n : unzlibSync(data, out);\n}\n// flatten a directory structure\nvar fltn = function (d, p, t, o) {\n for (var k in d) {\n var val = d[k], n = p + k;\n if (val instanceof u8)\n t[n] = [val, o];\n else if (Array.isArray(val))\n t[n] = [val[0], mrg(o, val[1])];\n else\n fltn(val, n + '/', t, o);\n }\n};\n// text encoder\nvar te = typeof TextEncoder != 'undefined' && /*#__PURE__*/ new TextEncoder();\n// text decoder\nvar td = typeof TextDecoder != 'undefined' && /*#__PURE__*/ new TextDecoder();\n// text decoder stream\nvar tds = 0;\ntry {\n td.decode(et, { stream: true });\n tds = 1;\n}\ncatch (e) { }\n// decode UTF8\nvar dutf8 = function (d) {\n for (var r = '', i = 0;;) {\n var c = d[i++];\n var eb = (c > 127) + (c > 223) + (c > 239);\n if (i + eb > d.length)\n return [r, slc(d, i - 1)];\n if (!eb)\n r += String.fromCharCode(c);\n else if (eb == 3) {\n c = ((c & 15) << 18 | (d[i++] & 63) << 12 | (d[i++] & 63) << 6 | (d[i++] & 63)) - 65536,\n r += String.fromCharCode(55296 | (c >> 10), 56320 | (c & 1023));\n }\n else if (eb & 1)\n r += String.fromCharCode((c & 31) << 6 | (d[i++] & 63));\n else\n r += String.fromCharCode((c & 15) << 12 | (d[i++] & 63) << 6 | (d[i++] & 63));\n }\n};\n/**\n * Streaming UTF-8 decoding\n */\nvar DecodeUTF8 = /*#__PURE__*/ (function () {\n /**\n * Creates a UTF-8 decoding stream\n * @param cb The callback to call whenever data is decoded\n */\n function DecodeUTF8(cb) {\n this.ondata = cb;\n if (tds)\n this.t = new TextDecoder();\n else\n this.p = et;\n }\n /**\n * Pushes a chunk to be decoded from UTF-8 binary\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n DecodeUTF8.prototype.push = function (chunk, final) {\n if (!this.ondata)\n throw 'no callback';\n final = !!final;\n if (this.t) {\n this.ondata(this.t.decode(chunk, { stream: true }), final);\n if (final) {\n if (this.t.decode().length)\n throw 'invalid utf-8 data';\n this.t = null;\n }\n return;\n }\n if (!this.p)\n throw 'stream finished';\n var dat = new u8(this.p.length + chunk.length);\n dat.set(this.p);\n dat.set(chunk, this.p.length);\n var _a = dutf8(dat), ch = _a[0], np = _a[1];\n if (final) {\n if (np.length)\n throw 'invalid utf-8 data';\n this.p = null;\n }\n else\n this.p = np;\n this.ondata(ch, final);\n };\n return DecodeUTF8;\n}());\nexport { DecodeUTF8 };\n/**\n * Streaming UTF-8 encoding\n */\nvar EncodeUTF8 = /*#__PURE__*/ (function () {\n /**\n * Creates a UTF-8 decoding stream\n * @param cb The callback to call whenever data is encoded\n */\n function EncodeUTF8(cb) {\n this.ondata = cb;\n }\n /**\n * Pushes a chunk to be encoded to UTF-8\n * @param chunk The string data to push\n * @param final Whether this is the last chunk\n */\n EncodeUTF8.prototype.push = function (chunk, final) {\n if (!this.ondata)\n throw 'no callback';\n if (this.d)\n throw 'stream finished';\n this.ondata(strToU8(chunk), this.d = final || false);\n };\n return EncodeUTF8;\n}());\nexport { EncodeUTF8 };\n/**\n * Converts a string into a Uint8Array for use with compression/decompression methods\n * @param str The string to encode\n * @param latin1 Whether or not to interpret the data as Latin-1. This should\n * not need to be true unless decoding a binary string.\n * @returns The string encoded in UTF-8/Latin-1 binary\n */\nexport function strToU8(str, latin1) {\n if (latin1) {\n var ar_1 = new u8(str.length);\n for (var i = 0; i < str.length; ++i)\n ar_1[i] = str.charCodeAt(i);\n return ar_1;\n }\n if (te)\n return te.encode(str);\n var l = str.length;\n var ar = new u8(str.length + (str.length >> 1));\n var ai = 0;\n var w = function (v) { ar[ai++] = v; };\n for (var i = 0; i < l; ++i) {\n if (ai + 5 > ar.length) {\n var n = new u8(ai + 8 + ((l - i) << 1));\n n.set(ar);\n ar = n;\n }\n var c = str.charCodeAt(i);\n if (c < 128 || latin1)\n w(c);\n else if (c < 2048)\n w(192 | (c >> 6)), w(128 | (c & 63));\n else if (c > 55295 && c < 57344)\n c = 65536 + (c & 1023 << 10) | (str.charCodeAt(++i) & 1023),\n w(240 | (c >> 18)), w(128 | ((c >> 12) & 63)), w(128 | ((c >> 6) & 63)), w(128 | (c & 63));\n else\n w(224 | (c >> 12)), w(128 | ((c >> 6) & 63)), w(128 | (c & 63));\n }\n return slc(ar, 0, ai);\n}\n/**\n * Converts a Uint8Array to a string\n * @param dat The data to decode to string\n * @param latin1 Whether or not to interpret the data as Latin-1. This should\n * not need to be true unless encoding to binary string.\n * @returns The original UTF-8/Latin-1 string\n */\nexport function strFromU8(dat, latin1) {\n if (latin1) {\n var r = '';\n for (var i = 0; i < dat.length; i += 16384)\n r += String.fromCharCode.apply(null, dat.subarray(i, i + 16384));\n return r;\n }\n else if (td)\n return td.decode(dat);\n else {\n var _a = dutf8(dat), out = _a[0], ext = _a[1];\n if (ext.length)\n throw 'invalid utf-8 data';\n return out;\n }\n}\n;\n// deflate bit flag\nvar dbf = function (l) { return l == 1 ? 3 : l < 6 ? 2 : l == 9 ? 1 : 0; };\n// skip local zip header\nvar slzh = function (d, b) { return b + 30 + b2(d, b + 26) + b2(d, b + 28); };\n// read zip header\nvar zh = function (d, b, z) {\n var fnl = b2(d, b + 28), fn = strFromU8(d.subarray(b + 46, b + 46 + fnl), !(b2(d, b + 8) & 2048)), es = b + 46 + fnl, bs = b4(d, b + 20);\n var _a = z && bs == 4294967295 ? z64e(d, es) : [bs, b4(d, b + 24), b4(d, b + 42)], sc = _a[0], su = _a[1], off = _a[2];\n return [b2(d, b + 10), sc, su, fn, es + b2(d, b + 30) + b2(d, b + 32), off];\n};\n// read zip64 extra field\nvar z64e = function (d, b) {\n for (; b2(d, b) != 1; b += 4 + b2(d, b + 2))\n ;\n return [b8(d, b + 12), b8(d, b + 4), b8(d, b + 20)];\n};\n// extra field length\nvar exfl = function (ex) {\n var le = 0;\n if (ex) {\n for (var k in ex) {\n var l = ex[k].length;\n if (l > 65535)\n throw 'extra field too long';\n le += l + 4;\n }\n }\n return le;\n};\n// write zip header\nvar wzh = function (d, b, f, fn, u, c, ce, co) {\n var fl = fn.length, ex = f.extra, col = co && co.length;\n var exl = exfl(ex);\n wbytes(d, b, ce != null ? 0x2014B50 : 0x4034B50), b += 4;\n if (ce != null)\n d[b++] = 20, d[b++] = f.os;\n d[b] = 20, b += 2; // spec compliance? what's that?\n d[b++] = (f.flag << 1) | (c == null && 8), d[b++] = u && 8;\n d[b++] = f.compression & 255, d[b++] = f.compression >> 8;\n var dt = new Date(f.mtime == null ? Date.now() : f.mtime), y = dt.getFullYear() - 1980;\n if (y < 0 || y > 119)\n throw 'date not in range 1980-2099';\n wbytes(d, b, (y << 25) | ((dt.getMonth() + 1) << 21) | (dt.getDate() << 16) | (dt.getHours() << 11) | (dt.getMinutes() << 5) | (dt.getSeconds() >>> 1)), b += 4;\n if (c != null) {\n wbytes(d, b, f.crc);\n wbytes(d, b + 4, c);\n wbytes(d, b + 8, f.size);\n }\n wbytes(d, b + 12, fl);\n wbytes(d, b + 14, exl), b += 16;\n if (ce != null) {\n wbytes(d, b, col);\n wbytes(d, b + 6, f.attrs);\n wbytes(d, b + 10, ce), b += 14;\n }\n d.set(fn, b);\n b += fl;\n if (exl) {\n for (var k in ex) {\n var exf = ex[k], l = exf.length;\n wbytes(d, b, +k);\n wbytes(d, b + 2, l);\n d.set(exf, b + 4), b += 4 + l;\n }\n }\n if (col)\n d.set(co, b), b += col;\n return b;\n};\n// write zip footer (end of central directory)\nvar wzf = function (o, b, c, d, e) {\n wbytes(o, b, 0x6054B50); // skip disk\n wbytes(o, b + 8, c);\n wbytes(o, b + 10, c);\n wbytes(o, b + 12, d);\n wbytes(o, b + 16, e);\n};\n/**\n * A pass-through stream to keep data uncompressed in a ZIP archive.\n */\nvar ZipPassThrough = /*#__PURE__*/ (function () {\n /**\n * Creates a pass-through stream that can be added to ZIP archives\n * @param filename The filename to associate with this data stream\n */\n function ZipPassThrough(filename) {\n this.filename = filename;\n this.c = crc();\n this.size = 0;\n this.compression = 0;\n }\n /**\n * Processes a chunk and pushes to the output stream. You can override this\n * method in a subclass for custom behavior, but by default this passes\n * the data through. You must call this.ondata(err, chunk, final) at some\n * point in this method.\n * @param chunk The chunk to process\n * @param final Whether this is the last chunk\n */\n ZipPassThrough.prototype.process = function (chunk, final) {\n this.ondata(null, chunk, final);\n };\n /**\n * Pushes a chunk to be added. If you are subclassing this with a custom\n * compression algorithm, note that you must push data from the source\n * file only, pre-compression.\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n ZipPassThrough.prototype.push = function (chunk, final) {\n if (!this.ondata)\n throw 'no callback - add to ZIP archive before pushing';\n this.c.p(chunk);\n this.size += chunk.length;\n if (final)\n this.crc = this.c.d();\n this.process(chunk, final || false);\n };\n return ZipPassThrough;\n}());\nexport { ZipPassThrough };\n// I don't extend because TypeScript extension adds 1kB of runtime bloat\n/**\n * Streaming DEFLATE compression for ZIP archives. Prefer using AsyncZipDeflate\n * for better performance\n */\nvar ZipDeflate = /*#__PURE__*/ (function () {\n /**\n * Creates a DEFLATE stream that can be added to ZIP archives\n * @param filename The filename to associate with this data stream\n * @param opts The compression options\n */\n function ZipDeflate(filename, opts) {\n var _this_1 = this;\n if (!opts)\n opts = {};\n ZipPassThrough.call(this, filename);\n this.d = new Deflate(opts, function (dat, final) {\n _this_1.ondata(null, dat, final);\n });\n this.compression = 8;\n this.flag = dbf(opts.level);\n }\n ZipDeflate.prototype.process = function (chunk, final) {\n try {\n this.d.push(chunk, final);\n }\n catch (e) {\n this.ondata(e, null, final);\n }\n };\n /**\n * Pushes a chunk to be deflated\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n ZipDeflate.prototype.push = function (chunk, final) {\n ZipPassThrough.prototype.push.call(this, chunk, final);\n };\n return ZipDeflate;\n}());\nexport { ZipDeflate };\n/**\n * Asynchronous streaming DEFLATE compression for ZIP archives\n */\nvar AsyncZipDeflate = /*#__PURE__*/ (function () {\n /**\n * Creates a DEFLATE stream that can be added to ZIP archives\n * @param filename The filename to associate with this data stream\n * @param opts The compression options\n */\n function AsyncZipDeflate(filename, opts) {\n var _this_1 = this;\n if (!opts)\n opts = {};\n ZipPassThrough.call(this, filename);\n this.d = new AsyncDeflate(opts, function (err, dat, final) {\n _this_1.ondata(err, dat, final);\n });\n this.compression = 8;\n this.flag = dbf(opts.level);\n this.terminate = this.d.terminate;\n }\n AsyncZipDeflate.prototype.process = function (chunk, final) {\n this.d.push(chunk, final);\n };\n /**\n * Pushes a chunk to be deflated\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n AsyncZipDeflate.prototype.push = function (chunk, final) {\n ZipPassThrough.prototype.push.call(this, chunk, final);\n };\n return AsyncZipDeflate;\n}());\nexport { AsyncZipDeflate };\n// TODO: Better tree shaking\n/**\n * A zippable archive to which files can incrementally be added\n */\nvar Zip = /*#__PURE__*/ (function () {\n /**\n * Creates an empty ZIP archive to which files can be added\n * @param cb The callback to call whenever data for the generated ZIP archive\n * is available\n */\n function Zip(cb) {\n this.ondata = cb;\n this.u = [];\n this.d = 1;\n }\n /**\n * Adds a file to the ZIP archive\n * @param file The file stream to add\n */\n Zip.prototype.add = function (file) {\n var _this_1 = this;\n if (this.d & 2)\n throw 'stream finished';\n var f = strToU8(file.filename), fl = f.length;\n var com = file.comment, o = com && strToU8(com);\n var u = fl != file.filename.length || (o && (com.length != o.length));\n var hl = fl + exfl(file.extra) + 30;\n if (fl > 65535)\n throw 'filename too long';\n var header = new u8(hl);\n wzh(header, 0, file, f, u);\n var chks = [header];\n var pAll = function () {\n for (var _i = 0, chks_1 = chks; _i < chks_1.length; _i++) {\n var chk = chks_1[_i];\n _this_1.ondata(null, chk, false);\n }\n chks = [];\n };\n var tr = this.d;\n this.d = 0;\n var ind = this.u.length;\n var uf = mrg(file, {\n f: f,\n u: u,\n o: o,\n t: function () {\n if (file.terminate)\n file.terminate();\n },\n r: function () {\n pAll();\n if (tr) {\n var nxt = _this_1.u[ind + 1];\n if (nxt)\n nxt.r();\n else\n _this_1.d = 1;\n }\n tr = 1;\n }\n });\n var cl = 0;\n file.ondata = function (err, dat, final) {\n if (err) {\n _this_1.ondata(err, dat, final);\n _this_1.terminate();\n }\n else {\n cl += dat.length;\n chks.push(dat);\n if (final) {\n var dd = new u8(16);\n wbytes(dd, 0, 0x8074B50);\n wbytes(dd, 4, file.crc);\n wbytes(dd, 8, cl);\n wbytes(dd, 12, file.size);\n chks.push(dd);\n uf.c = cl, uf.b = hl + cl + 16, uf.crc = file.crc, uf.size = file.size;\n if (tr)\n uf.r();\n tr = 1;\n }\n else if (tr)\n pAll();\n }\n };\n this.u.push(uf);\n };\n /**\n * Ends the process of adding files and prepares to emit the final chunks.\n * This *must* be called after adding all desired files for the resulting\n * ZIP file to work properly.\n */\n Zip.prototype.end = function () {\n var _this_1 = this;\n if (this.d & 2) {\n if (this.d & 1)\n throw 'stream finishing';\n throw 'stream finished';\n }\n if (this.d)\n this.e();\n else\n this.u.push({\n r: function () {\n if (!(_this_1.d & 1))\n return;\n _this_1.u.splice(-1, 1);\n _this_1.e();\n },\n t: function () { }\n });\n this.d = 3;\n };\n Zip.prototype.e = function () {\n var bt = 0, l = 0, tl = 0;\n for (var _i = 0, _a = this.u; _i < _a.length; _i++) {\n var f = _a[_i];\n tl += 46 + f.f.length + exfl(f.extra) + (f.o ? f.o.length : 0);\n }\n var out = new u8(tl + 22);\n for (var _b = 0, _c = this.u; _b < _c.length; _b++) {\n var f = _c[_b];\n wzh(out, bt, f, f.f, f.u, f.c, l, f.o);\n bt += 46 + f.f.length + exfl(f.extra) + (f.o ? f.o.length : 0), l += f.b;\n }\n wzf(out, bt, this.u.length, tl, l);\n this.ondata(null, out, true);\n this.d = 2;\n };\n /**\n * A method to terminate any internal workers used by the stream. Subsequent\n * calls to add() will fail.\n */\n Zip.prototype.terminate = function () {\n for (var _i = 0, _a = this.u; _i < _a.length; _i++) {\n var f = _a[_i];\n f.t();\n }\n this.d = 2;\n };\n return Zip;\n}());\nexport { Zip };\nexport function zip(data, opts, cb) {\n if (!cb)\n cb = opts, opts = {};\n if (typeof cb != 'function')\n throw 'no callback';\n var r = {};\n fltn(data, '', r, opts);\n var k = Object.keys(r);\n var lft = k.length, o = 0, tot = 0;\n var slft = lft, files = new Array(lft);\n var term = [];\n var tAll = function () {\n for (var i = 0; i < term.length; ++i)\n term[i]();\n };\n var cbf = function () {\n var out = new u8(tot + 22), oe = o, cdl = tot - o;\n tot = 0;\n for (var i = 0; i < slft; ++i) {\n var f = files[i];\n try {\n var l = f.c.length;\n wzh(out, tot, f, f.f, f.u, l);\n var badd = 30 + f.f.length + exfl(f.extra);\n var loc = tot + badd;\n out.set(f.c, loc);\n wzh(out, o, f, f.f, f.u, l, tot, f.m), o += 16 + badd + (f.m ? f.m.length : 0), tot = loc + l;\n }\n catch (e) {\n return cb(e, null);\n }\n }\n wzf(out, o, files.length, cdl, oe);\n cb(null, out);\n };\n if (!lft)\n cbf();\n var _loop_1 = function (i) {\n var fn = k[i];\n var _a = r[fn], file = _a[0], p = _a[1];\n var c = crc(), size = file.length;\n c.p(file);\n var f = strToU8(fn), s = f.length;\n var com = p.comment, m = com && strToU8(com), ms = m && m.length;\n var exl = exfl(p.extra);\n var compression = p.level == 0 ? 0 : 8;\n var cbl = function (e, d) {\n if (e) {\n tAll();\n cb(e, null);\n }\n else {\n var l = d.length;\n files[i] = mrg(p, {\n size: size,\n crc: c.d(),\n c: d,\n f: f,\n m: m,\n u: s != fn.length || (m && (com.length != ms)),\n compression: compression\n });\n o += 30 + s + exl + l;\n tot += 76 + 2 * (s + exl) + (ms || 0) + l;\n if (!--lft)\n cbf();\n }\n };\n if (s > 65535)\n cbl('filename too long', null);\n if (!compression)\n cbl(null, file);\n else if (size < 160000) {\n try {\n cbl(null, deflateSync(file, p));\n }\n catch (e) {\n cbl(e, null);\n }\n }\n else\n term.push(deflate(file, p, cbl));\n };\n // Cannot use lft because it can decrease\n for (var i = 0; i < slft; ++i) {\n _loop_1(i);\n }\n return tAll;\n}\n/**\n * Synchronously creates a ZIP file. Prefer using `zip` for better performance\n * with more than one file.\n * @param data The directory structure for the ZIP archive\n * @param opts The main options, merged with per-file options\n * @returns The generated ZIP archive\n */\nexport function zipSync(data, opts) {\n if (!opts)\n opts = {};\n var r = {};\n var files = [];\n fltn(data, '', r, opts);\n var o = 0;\n var tot = 0;\n for (var fn in r) {\n var _a = r[fn], file = _a[0], p = _a[1];\n var compression = p.level == 0 ? 0 : 8;\n var f = strToU8(fn), s = f.length;\n var com = p.comment, m = com && strToU8(com), ms = m && m.length;\n var exl = exfl(p.extra);\n if (s > 65535)\n throw 'filename too long';\n var d = compression ? deflateSync(file, p) : file, l = d.length;\n var c = crc();\n c.p(file);\n files.push(mrg(p, {\n size: file.length,\n crc: c.d(),\n c: d,\n f: f,\n m: m,\n u: s != fn.length || (m && (com.length != ms)),\n o: o,\n compression: compression\n }));\n o += 30 + s + exl + l;\n tot += 76 + 2 * (s + exl) + (ms || 0) + l;\n }\n var out = new u8(tot + 22), oe = o, cdl = tot - o;\n for (var i = 0; i < files.length; ++i) {\n var f = files[i];\n wzh(out, f.o, f, f.f, f.u, f.c.length);\n var badd = 30 + f.f.length + exfl(f.extra);\n out.set(f.c, f.o + badd);\n wzh(out, o, f, f.f, f.u, f.c.length, f.o, f.m), o += 16 + badd + (f.m ? f.m.length : 0);\n }\n wzf(out, o, files.length, cdl, oe);\n return out;\n}\n/**\n * Streaming pass-through decompression for ZIP archives\n */\nvar UnzipPassThrough = /*#__PURE__*/ (function () {\n function UnzipPassThrough() {\n }\n UnzipPassThrough.prototype.push = function (data, final) {\n this.ondata(null, data, final);\n };\n UnzipPassThrough.compression = 0;\n return UnzipPassThrough;\n}());\nexport { UnzipPassThrough };\n/**\n * Streaming DEFLATE decompression for ZIP archives. Prefer AsyncZipInflate for\n * better performance.\n */\nvar UnzipInflate = /*#__PURE__*/ (function () {\n /**\n * Creates a DEFLATE decompression that can be used in ZIP archives\n */\n function UnzipInflate() {\n var _this_1 = this;\n this.i = new Inflate(function (dat, final) {\n _this_1.ondata(null, dat, final);\n });\n }\n UnzipInflate.prototype.push = function (data, final) {\n try {\n this.i.push(data, final);\n }\n catch (e) {\n this.ondata(e, data, final);\n }\n };\n UnzipInflate.compression = 8;\n return UnzipInflate;\n}());\nexport { UnzipInflate };\n/**\n * Asynchronous streaming DEFLATE decompression for ZIP archives\n */\nvar AsyncUnzipInflate = /*#__PURE__*/ (function () {\n /**\n * Creates a DEFLATE decompression that can be used in ZIP archives\n */\n function AsyncUnzipInflate(_, sz) {\n var _this_1 = this;\n if (sz < 320000) {\n this.i = new Inflate(function (dat, final) {\n _this_1.ondata(null, dat, final);\n });\n }\n else {\n this.i = new AsyncInflate(function (err, dat, final) {\n _this_1.ondata(err, dat, final);\n });\n this.terminate = this.i.terminate;\n }\n }\n AsyncUnzipInflate.prototype.push = function (data, final) {\n if (this.i.terminate)\n data = slc(data, 0);\n this.i.push(data, final);\n };\n AsyncUnzipInflate.compression = 8;\n return AsyncUnzipInflate;\n}());\nexport { AsyncUnzipInflate };\n/**\n * A ZIP archive decompression stream that emits files as they are discovered\n */\nvar Unzip = /*#__PURE__*/ (function () {\n /**\n * Creates a ZIP decompression stream\n * @param cb The callback to call whenever a file in the ZIP archive is found\n */\n function Unzip(cb) {\n this.onfile = cb;\n this.k = [];\n this.o = {\n 0: UnzipPassThrough\n };\n this.p = et;\n }\n /**\n * Pushes a chunk to be unzipped\n * @param chunk The chunk to push\n * @param final Whether this is the last chunk\n */\n Unzip.prototype.push = function (chunk, final) {\n var _this_1 = this;\n if (!this.onfile)\n throw 'no callback';\n if (!this.p)\n throw 'stream finished';\n if (this.c > 0) {\n var len = Math.min(this.c, chunk.length);\n var toAdd = chunk.subarray(0, len);\n this.c -= len;\n if (this.d)\n this.d.push(toAdd, !this.c);\n else\n this.k[0].push(toAdd);\n chunk = chunk.subarray(len);\n if (chunk.length)\n return this.push(chunk, final);\n }\n else {\n var f = 0, i = 0, is = void 0, buf = void 0;\n if (!this.p.length)\n buf = chunk;\n else if (!chunk.length)\n buf = this.p;\n else {\n buf = new u8(this.p.length + chunk.length);\n buf.set(this.p), buf.set(chunk, this.p.length);\n }\n var l = buf.length, oc = this.c, add = oc && this.d;\n var _loop_2 = function () {\n var _a;\n var sig = b4(buf, i);\n if (sig == 0x4034B50) {\n f = 1, is = i;\n this_1.d = null;\n this_1.c = 0;\n var bf = b2(buf, i + 6), cmp_1 = b2(buf, i + 8), u = bf & 2048, dd = bf & 8, fnl = b2(buf, i + 26), es = b2(buf, i + 28);\n if (l > i + 30 + fnl + es) {\n var chks_2 = [];\n this_1.k.unshift(chks_2);\n f = 2;\n var sc_1 = b4(buf, i + 18), su_1 = b4(buf, i + 22);\n var fn_1 = strFromU8(buf.subarray(i + 30, i += 30 + fnl), !u);\n if (sc_1 == 4294967295) {\n _a = dd ? [-2] : z64e(buf, i), sc_1 = _a[0], su_1 = _a[1];\n }\n else if (dd)\n sc_1 = -1;\n i += es;\n this_1.c = sc_1;\n var d_1;\n var file_1 = {\n name: fn_1,\n compression: cmp_1,\n start: function () {\n if (!file_1.ondata)\n throw 'no callback';\n if (!sc_1)\n file_1.ondata(null, et, true);\n else {\n var ctr = _this_1.o[cmp_1];\n if (!ctr)\n throw 'unknown compression type ' + cmp_1;\n d_1 = sc_1 < 0 ? new ctr(fn_1) : new ctr(fn_1, sc_1, su_1);\n d_1.ondata = function (err, dat, final) { file_1.ondata(err, dat, final); };\n for (var _i = 0, chks_3 = chks_2; _i < chks_3.length; _i++) {\n var dat = chks_3[_i];\n d_1.push(dat, false);\n }\n if (_this_1.k[0] == chks_2 && _this_1.c)\n _this_1.d = d_1;\n else\n d_1.push(et, true);\n }\n },\n terminate: function () {\n if (d_1 && d_1.terminate)\n d_1.terminate();\n }\n };\n if (sc_1 >= 0)\n file_1.size = sc_1, file_1.originalSize = su_1;\n this_1.onfile(file_1);\n }\n return \"break\";\n }\n else if (oc) {\n if (sig == 0x8074B50) {\n is = i += 12 + (oc == -2 && 8), f = 3, this_1.c = 0;\n return \"break\";\n }\n else if (sig == 0x2014B50) {\n is = i -= 4, f = 3, this_1.c = 0;\n return \"break\";\n }\n }\n };\n var this_1 = this;\n for (; i < l - 4; ++i) {\n var state_1 = _loop_2();\n if (state_1 === \"break\")\n break;\n }\n this.p = et;\n if (oc < 0) {\n var dat = f ? buf.subarray(0, is - 12 - (oc == -2 && 8) - (b4(buf, is - 16) == 0x8074B50 && 4)) : buf.subarray(0, i);\n if (add)\n add.push(dat, !!f);\n else\n this.k[+(f == 2)].push(dat);\n }\n if (f & 2)\n return this.push(buf.subarray(i), final);\n this.p = buf.subarray(i);\n }\n if (final) {\n if (this.c)\n throw 'invalid zip file';\n this.p = null;\n }\n };\n /**\n * Registers a decoder with the stream, allowing for files compressed with\n * the compression type provided to be expanded correctly\n * @param decoder The decoder constructor\n */\n Unzip.prototype.register = function (decoder) {\n this.o[decoder.compression] = decoder;\n };\n return Unzip;\n}());\nexport { Unzip };\n/**\n * Asynchronously decompresses a ZIP archive\n * @param data The raw compressed ZIP file\n * @param cb The callback to call with the decompressed files\n * @returns A function that can be used to immediately terminate the unzipping\n */\nexport function unzip(data, cb) {\n if (typeof cb != 'function')\n throw 'no callback';\n var term = [];\n var tAll = function () {\n for (var i = 0; i < term.length; ++i)\n term[i]();\n };\n var files = {};\n var e = data.length - 22;\n for (; b4(data, e) != 0x6054B50; --e) {\n if (!e || data.length - e > 65558) {\n cb('invalid zip file', null);\n return;\n }\n }\n ;\n var lft = b2(data, e + 8);\n if (!lft)\n cb(null, {});\n var c = lft;\n var o = b4(data, e + 16);\n var z = o == 4294967295;\n if (z) {\n e = b4(data, e - 12);\n if (b4(data, e) != 0x6064B50) {\n cb('invalid zip file', null);\n return;\n }\n c = lft = b4(data, e + 32);\n o = b4(data, e + 48);\n }\n var _loop_3 = function (i) {\n var _a = zh(data, o, z), c_1 = _a[0], sc = _a[1], su = _a[2], fn = _a[3], no = _a[4], off = _a[5], b = slzh(data, off);\n o = no;\n var cbl = function (e, d) {\n if (e) {\n tAll();\n cb(e, null);\n }\n else {\n files[fn] = d;\n if (!--lft)\n cb(null, files);\n }\n };\n if (!c_1)\n cbl(null, slc(data, b, b + sc));\n else if (c_1 == 8) {\n var infl = data.subarray(b, b + sc);\n if (sc < 320000) {\n try {\n cbl(null, inflateSync(infl, new u8(su)));\n }\n catch (e) {\n cbl(e, null);\n }\n }\n else\n term.push(inflate(infl, { size: su }, cbl));\n }\n else\n cbl('unknown compression type ' + c_1, null);\n };\n for (var i = 0; i < c; ++i) {\n _loop_3(i);\n }\n return tAll;\n}\n/**\n * Synchronously decompresses a ZIP archive. Prefer using `unzip` for better\n * performance with more than one file.\n * @param data The raw compressed ZIP file\n * @returns The decompressed files\n */\nexport function unzipSync(data) {\n var files = {};\n var e = data.length - 22;\n for (; b4(data, e) != 0x6054B50; --e) {\n if (!e || data.length - e > 65558)\n throw 'invalid zip file';\n }\n ;\n var c = b2(data, e + 8);\n if (!c)\n return {};\n var o = b4(data, e + 16);\n var z = o == 4294967295;\n if (z) {\n e = b4(data, e - 12);\n if (b4(data, e) != 0x6064B50)\n throw 'invalid zip file';\n c = b4(data, e + 32);\n o = b4(data, e + 48);\n }\n for (var i = 0; i < c; ++i) {\n var _a = zh(data, o, z), c_2 = _a[0], sc = _a[1], su = _a[2], fn = _a[3], no = _a[4], off = _a[5], b = slzh(data, off);\n o = no;\n if (!c_2)\n files[fn] = slc(data, b, b + sc);\n else if (c_2 == 8)\n files[fn] = inflateSync(data.subarray(b, b + sc), new u8(su));\n else\n throw 'unknown compression type ' + c_2;\n }\n return files;\n}\n","import {\n\tAmbientLight,\n\tAnimationClip,\n\tBone,\n\tBufferGeometry,\n\tClampToEdgeWrapping,\n\tColor,\n\tDirectionalLight,\n\tDoubleSide,\n\tEuler,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tFrontSide,\n\tGroup,\n\tLine,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tLoaderUtils,\n\tMathUtils,\n\tMatrix4,\n\tMesh,\n\tMeshBasicMaterial,\n\tMeshLambertMaterial,\n\tMeshPhongMaterial,\n\tOrthographicCamera,\n\tPerspectiveCamera,\n\tPointLight,\n\tQuaternion,\n\tQuaternionKeyframeTrack,\n\tRepeatWrapping,\n\tScene,\n\tSkeleton,\n\tSkinnedMesh,\n\tSpotLight,\n\tTextureLoader,\n\tVector2,\n\tVector3,\n\tVectorKeyframeTrack,\n\tsRGBEncoding\n} from 'three';\nimport { TGALoader } from '../loaders/TGALoader.js';\n\nclass ColladaLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( scope.path === '' ) ? LoaderUtils.extractUrlBase( url ) : scope.path;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text, path ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( text, path ) {\n\n\t\tfunction getElementsByTagName( xml, name ) {\n\n\t\t\t// Non recursive xml.getElementsByTagName() ...\n\n\t\t\tconst array = [];\n\t\t\tconst childNodes = xml.childNodes;\n\n\t\t\tfor ( let i = 0, l = childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = childNodes[ i ];\n\n\t\t\t\tif ( child.nodeName === name ) {\n\n\t\t\t\t\tarray.push( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t}\n\n\t\tfunction parseStrings( text ) {\n\n\t\t\tif ( text.length === 0 ) return [];\n\n\t\t\tconst parts = text.trim().split( /\\s+/ );\n\t\t\tconst array = new Array( parts.length );\n\n\t\t\tfor ( let i = 0, l = parts.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ] = parts[ i ];\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t}\n\n\t\tfunction parseFloats( text ) {\n\n\t\t\tif ( text.length === 0 ) return [];\n\n\t\t\tconst parts = text.trim().split( /\\s+/ );\n\t\t\tconst array = new Array( parts.length );\n\n\t\t\tfor ( let i = 0, l = parts.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ] = parseFloat( parts[ i ] );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t}\n\n\t\tfunction parseInts( text ) {\n\n\t\t\tif ( text.length === 0 ) return [];\n\n\t\t\tconst parts = text.trim().split( /\\s+/ );\n\t\t\tconst array = new Array( parts.length );\n\n\t\t\tfor ( let i = 0, l = parts.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ] = parseInt( parts[ i ] );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t}\n\n\t\tfunction parseId( text ) {\n\n\t\t\treturn text.substring( 1 );\n\n\t\t}\n\n\t\tfunction generateId() {\n\n\t\t\treturn 'three_default_' + ( count ++ );\n\n\t\t}\n\n\t\tfunction isEmpty( object ) {\n\n\t\t\treturn Object.keys( object ).length === 0;\n\n\t\t}\n\n\t\t// asset\n\n\t\tfunction parseAsset( xml ) {\n\n\t\t\treturn {\n\t\t\t\tunit: parseAssetUnit( getElementsByTagName( xml, 'unit' )[ 0 ] ),\n\t\t\t\tupAxis: parseAssetUpAxis( getElementsByTagName( xml, 'up_axis' )[ 0 ] )\n\t\t\t};\n\n\t\t}\n\n\t\tfunction parseAssetUnit( xml ) {\n\n\t\t\tif ( ( xml !== undefined ) && ( xml.hasAttribute( 'meter' ) === true ) ) {\n\n\t\t\t\treturn parseFloat( xml.getAttribute( 'meter' ) );\n\n\t\t\t} else {\n\n\t\t\t\treturn 1; // default 1 meter\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseAssetUpAxis( xml ) {\n\n\t\t\treturn xml !== undefined ? xml.textContent : 'Y_UP';\n\n\t\t}\n\n\t\t// library\n\n\t\tfunction parseLibrary( xml, libraryName, nodeName, parser ) {\n\n\t\t\tconst library = getElementsByTagName( xml, libraryName )[ 0 ];\n\n\t\t\tif ( library !== undefined ) {\n\n\t\t\t\tconst elements = getElementsByTagName( library, nodeName );\n\n\t\t\t\tfor ( let i = 0; i < elements.length; i ++ ) {\n\n\t\t\t\t\tparser( elements[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction buildLibrary( data, builder ) {\n\n\t\t\tfor ( const name in data ) {\n\n\t\t\t\tconst object = data[ name ];\n\t\t\t\tobject.build = builder( data[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// get\n\n\t\tfunction getBuild( data, builder ) {\n\n\t\t\tif ( data.build !== undefined ) return data.build;\n\n\t\t\tdata.build = builder( data );\n\n\t\t\treturn data.build;\n\n\t\t}\n\n\t\t// animation\n\n\t\tfunction parseAnimation( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsources: {},\n\t\t\t\tsamplers: {},\n\t\t\t\tchannels: {}\n\t\t\t};\n\n\t\t\tlet hasChildren = false;\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tlet id;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'source':\n\t\t\t\t\t\tid = child.getAttribute( 'id' );\n\t\t\t\t\t\tdata.sources[ id ] = parseSource( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'sampler':\n\t\t\t\t\t\tid = child.getAttribute( 'id' );\n\t\t\t\t\t\tdata.samplers[ id ] = parseAnimationSampler( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'channel':\n\t\t\t\t\t\tid = child.getAttribute( 'target' );\n\t\t\t\t\t\tdata.channels[ id ] = parseAnimationChannel( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'animation':\n\t\t\t\t\t\t// hierarchy of related animations\n\t\t\t\t\t\tparseAnimation( child );\n\t\t\t\t\t\thasChildren = true;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tconsole.log( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasChildren === false ) {\n\n\t\t\t\t// since 'id' attributes can be optional, it's necessary to generate a UUID for unqiue assignment\n\n\t\t\t\tlibrary.animations[ xml.getAttribute( 'id' ) || MathUtils.generateUUID() ] = data;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseAnimationSampler( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tinputs: {},\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'input':\n\t\t\t\t\t\tconst id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tconst semantic = child.getAttribute( 'semantic' );\n\t\t\t\t\t\tdata.inputs[ semantic ] = id;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseAnimationChannel( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tconst target = xml.getAttribute( 'target' );\n\n\t\t\t// parsing SID Addressing Syntax\n\n\t\t\tlet parts = target.split( '/' );\n\n\t\t\tconst id = parts.shift();\n\t\t\tlet sid = parts.shift();\n\n\t\t\t// check selection syntax\n\n\t\t\tconst arraySyntax = ( sid.indexOf( '(' ) !== - 1 );\n\t\t\tconst memberSyntax = ( sid.indexOf( '.' ) !== - 1 );\n\n\t\t\tif ( memberSyntax ) {\n\n\t\t\t\t// member selection access\n\n\t\t\t\tparts = sid.split( '.' );\n\t\t\t\tsid = parts.shift();\n\t\t\t\tdata.member = parts.shift();\n\n\t\t\t} else if ( arraySyntax ) {\n\n\t\t\t\t// array-access syntax. can be used to express fields in one-dimensional vectors or two-dimensional matrices.\n\n\t\t\t\tconst indices = sid.split( '(' );\n\t\t\t\tsid = indices.shift();\n\n\t\t\t\tfor ( let i = 0; i < indices.length; i ++ ) {\n\n\t\t\t\t\tindices[ i ] = parseInt( indices[ i ].replace( /\\)/, '' ) );\n\n\t\t\t\t}\n\n\t\t\t\tdata.indices = indices;\n\n\t\t\t}\n\n\t\t\tdata.id = id;\n\t\t\tdata.sid = sid;\n\n\t\t\tdata.arraySyntax = arraySyntax;\n\t\t\tdata.memberSyntax = memberSyntax;\n\n\t\t\tdata.sampler = parseId( xml.getAttribute( 'source' ) );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildAnimation( data ) {\n\n\t\t\tconst tracks = [];\n\n\t\t\tconst channels = data.channels;\n\t\t\tconst samplers = data.samplers;\n\t\t\tconst sources = data.sources;\n\n\t\t\tfor ( const target in channels ) {\n\n\t\t\t\tif ( channels.hasOwnProperty( target ) ) {\n\n\t\t\t\t\tconst channel = channels[ target ];\n\t\t\t\t\tconst sampler = samplers[ channel.sampler ];\n\n\t\t\t\t\tconst inputId = sampler.inputs.INPUT;\n\t\t\t\t\tconst outputId = sampler.inputs.OUTPUT;\n\n\t\t\t\t\tconst inputSource = sources[ inputId ];\n\t\t\t\t\tconst outputSource = sources[ outputId ];\n\n\t\t\t\t\tconst animation = buildAnimationChannel( channel, inputSource, outputSource );\n\n\t\t\t\t\tcreateKeyframeTracks( animation, tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn tracks;\n\n\t\t}\n\n\t\tfunction getAnimation( id ) {\n\n\t\t\treturn getBuild( library.animations[ id ], buildAnimation );\n\n\t\t}\n\n\t\tfunction buildAnimationChannel( channel, inputSource, outputSource ) {\n\n\t\t\tconst node = library.nodes[ channel.id ];\n\t\t\tconst object3D = getNode( node.id );\n\n\t\t\tconst transform = node.transforms[ channel.sid ];\n\t\t\tconst defaultMatrix = node.matrix.clone().transpose();\n\n\t\t\tlet time, stride;\n\t\t\tlet i, il, j, jl;\n\n\t\t\tconst data = {};\n\n\t\t\t// the collada spec allows the animation of data in various ways.\n\t\t\t// depending on the transform type (matrix, translate, rotate, scale), we execute different logic\n\n\t\t\tswitch ( transform ) {\n\n\t\t\t\tcase 'matrix':\n\n\t\t\t\t\tfor ( i = 0, il = inputSource.array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\ttime = inputSource.array[ i ];\n\t\t\t\t\t\tstride = i * outputSource.stride;\n\n\t\t\t\t\t\tif ( data[ time ] === undefined ) data[ time ] = {};\n\n\t\t\t\t\t\tif ( channel.arraySyntax === true ) {\n\n\t\t\t\t\t\t\tconst value = outputSource.array[ stride ];\n\t\t\t\t\t\t\tconst index = channel.indices[ 0 ] + 4 * channel.indices[ 1 ];\n\n\t\t\t\t\t\t\tdata[ time ][ index ] = value;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( j = 0, jl = outputSource.stride; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tdata[ time ][ j ] = outputSource.array[ stride + j ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'translate':\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Animation transform type \"%s\" not yet implemented.', transform );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'rotate':\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Animation transform type \"%s\" not yet implemented.', transform );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'scale':\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Animation transform type \"%s\" not yet implemented.', transform );\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tconst keyframes = prepareAnimationData( data, defaultMatrix );\n\n\t\t\tconst animation = {\n\t\t\t\tname: object3D.uuid,\n\t\t\t\tkeyframes: keyframes\n\t\t\t};\n\n\t\t\treturn animation;\n\n\t\t}\n\n\t\tfunction prepareAnimationData( data, defaultMatrix ) {\n\n\t\t\tconst keyframes = [];\n\n\t\t\t// transfer data into a sortable array\n\n\t\t\tfor ( const time in data ) {\n\n\t\t\t\tkeyframes.push( { time: parseFloat( time ), value: data[ time ] } );\n\n\t\t\t}\n\n\t\t\t// ensure keyframes are sorted by time\n\n\t\t\tkeyframes.sort( ascending );\n\n\t\t\t// now we clean up all animation data, so we can use them for keyframe tracks\n\n\t\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\t\ttransformAnimationData( keyframes, i, defaultMatrix.elements[ i ] );\n\n\t\t\t}\n\n\t\t\treturn keyframes;\n\n\t\t\t// array sort function\n\n\t\t\tfunction ascending( a, b ) {\n\n\t\t\t\treturn a.time - b.time;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst position = new Vector3();\n\t\tconst scale = new Vector3();\n\t\tconst quaternion = new Quaternion();\n\n\t\tfunction createKeyframeTracks( animation, tracks ) {\n\n\t\t\tconst keyframes = animation.keyframes;\n\t\t\tconst name = animation.name;\n\n\t\t\tconst times = [];\n\t\t\tconst positionData = [];\n\t\t\tconst quaternionData = [];\n\t\t\tconst scaleData = [];\n\n\t\t\tfor ( let i = 0, l = keyframes.length; i < l; i ++ ) {\n\n\t\t\t\tconst keyframe = keyframes[ i ];\n\n\t\t\t\tconst time = keyframe.time;\n\t\t\t\tconst value = keyframe.value;\n\n\t\t\t\tmatrix.fromArray( value ).transpose();\n\t\t\t\tmatrix.decompose( position, quaternion, scale );\n\n\t\t\t\ttimes.push( time );\n\t\t\t\tpositionData.push( position.x, position.y, position.z );\n\t\t\t\tquaternionData.push( quaternion.x, quaternion.y, quaternion.z, quaternion.w );\n\t\t\t\tscaleData.push( scale.x, scale.y, scale.z );\n\n\t\t\t}\n\n\t\t\tif ( positionData.length > 0 ) tracks.push( new VectorKeyframeTrack( name + '.position', times, positionData ) );\n\t\t\tif ( quaternionData.length > 0 ) tracks.push( new QuaternionKeyframeTrack( name + '.quaternion', times, quaternionData ) );\n\t\t\tif ( scaleData.length > 0 ) tracks.push( new VectorKeyframeTrack( name + '.scale', times, scaleData ) );\n\n\t\t\treturn tracks;\n\n\t\t}\n\n\t\tfunction transformAnimationData( keyframes, property, defaultValue ) {\n\n\t\t\tlet keyframe;\n\n\t\t\tlet empty = true;\n\t\t\tlet i, l;\n\n\t\t\t// check, if values of a property are missing in our keyframes\n\n\t\t\tfor ( i = 0, l = keyframes.length; i < l; i ++ ) {\n\n\t\t\t\tkeyframe = keyframes[ i ];\n\n\t\t\t\tif ( keyframe.value[ property ] === undefined ) {\n\n\t\t\t\t\tkeyframe.value[ property ] = null; // mark as missing\n\n\t\t\t\t} else {\n\n\t\t\t\t\tempty = false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( empty === true ) {\n\n\t\t\t\t// no values at all, so we set a default value\n\n\t\t\t\tfor ( i = 0, l = keyframes.length; i < l; i ++ ) {\n\n\t\t\t\t\tkeyframe = keyframes[ i ];\n\n\t\t\t\t\tkeyframe.value[ property ] = defaultValue;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// filling gaps\n\n\t\t\t\tcreateMissingKeyframes( keyframes, property );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createMissingKeyframes( keyframes, property ) {\n\n\t\t\tlet prev, next;\n\n\t\t\tfor ( let i = 0, l = keyframes.length; i < l; i ++ ) {\n\n\t\t\t\tconst keyframe = keyframes[ i ];\n\n\t\t\t\tif ( keyframe.value[ property ] === null ) {\n\n\t\t\t\t\tprev = getPrev( keyframes, i, property );\n\t\t\t\t\tnext = getNext( keyframes, i, property );\n\n\t\t\t\t\tif ( prev === null ) {\n\n\t\t\t\t\t\tkeyframe.value[ property ] = next.value[ property ];\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( next === null ) {\n\n\t\t\t\t\t\tkeyframe.value[ property ] = prev.value[ property ];\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tinterpolate( keyframe, prev, next, property );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getPrev( keyframes, i, property ) {\n\n\t\t\twhile ( i >= 0 ) {\n\n\t\t\t\tconst keyframe = keyframes[ i ];\n\n\t\t\t\tif ( keyframe.value[ property ] !== null ) return keyframe;\n\n\t\t\t\ti --;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tfunction getNext( keyframes, i, property ) {\n\n\t\t\twhile ( i < keyframes.length ) {\n\n\t\t\t\tconst keyframe = keyframes[ i ];\n\n\t\t\t\tif ( keyframe.value[ property ] !== null ) return keyframe;\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tfunction interpolate( key, prev, next, property ) {\n\n\t\t\tif ( ( next.time - prev.time ) === 0 ) {\n\n\t\t\t\tkey.value[ property ] = prev.value[ property ];\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tkey.value[ property ] = ( ( key.time - prev.time ) * ( next.value[ property ] - prev.value[ property ] ) / ( next.time - prev.time ) ) + prev.value[ property ];\n\n\t\t}\n\n\t\t// animation clips\n\n\t\tfunction parseAnimationClip( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'id' ) || 'default',\n\t\t\t\tstart: parseFloat( xml.getAttribute( 'start' ) || 0 ),\n\t\t\t\tend: parseFloat( xml.getAttribute( 'end' ) || 0 ),\n\t\t\t\tanimations: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'instance_animation':\n\t\t\t\t\t\tdata.animations.push( parseId( child.getAttribute( 'url' ) ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.clips[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction buildAnimationClip( data ) {\n\n\t\t\tconst tracks = [];\n\n\t\t\tconst name = data.name;\n\t\t\tconst duration = ( data.end - data.start ) || - 1;\n\t\t\tconst animations = data.animations;\n\n\t\t\tfor ( let i = 0, il = animations.length; i < il; i ++ ) {\n\n\t\t\t\tconst animationTracks = getAnimation( animations[ i ] );\n\n\t\t\t\tfor ( let j = 0, jl = animationTracks.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttracks.push( animationTracks[ j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, duration, tracks );\n\n\t\t}\n\n\t\tfunction getAnimationClip( id ) {\n\n\t\t\treturn getBuild( library.clips[ id ], buildAnimationClip );\n\n\t\t}\n\n\t\t// controller\n\n\t\tfunction parseController( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'skin':\n\t\t\t\t\t\t// there is exactly one skin per controller\n\t\t\t\t\t\tdata.id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tdata.skin = parseSkin( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'morph':\n\t\t\t\t\t\tdata.id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Morph target animation not supported yet.' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.controllers[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseSkin( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsources: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'bind_shape_matrix':\n\t\t\t\t\t\tdata.bindShapeMatrix = parseFloats( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'source':\n\t\t\t\t\t\tconst id = child.getAttribute( 'id' );\n\t\t\t\t\t\tdata.sources[ id ] = parseSource( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'joints':\n\t\t\t\t\t\tdata.joints = parseJoints( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'vertex_weights':\n\t\t\t\t\t\tdata.vertexWeights = parseVertexWeights( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseJoints( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tinputs: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'input':\n\t\t\t\t\t\tconst semantic = child.getAttribute( 'semantic' );\n\t\t\t\t\t\tconst id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tdata.inputs[ semantic ] = id;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseVertexWeights( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tinputs: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'input':\n\t\t\t\t\t\tconst semantic = child.getAttribute( 'semantic' );\n\t\t\t\t\t\tconst id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tconst offset = parseInt( child.getAttribute( 'offset' ) );\n\t\t\t\t\t\tdata.inputs[ semantic ] = { id: id, offset: offset };\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'vcount':\n\t\t\t\t\t\tdata.vcount = parseInts( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tdata.v = parseInts( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildController( data ) {\n\n\t\t\tconst build = {\n\t\t\t\tid: data.id\n\t\t\t};\n\n\t\t\tconst geometry = library.geometries[ build.id ];\n\n\t\t\tif ( data.skin !== undefined ) {\n\n\t\t\t\tbuild.skin = buildSkin( data.skin );\n\n\t\t\t\t// we enhance the 'sources' property of the corresponding geometry with our skin data\n\n\t\t\t\tgeometry.sources.skinIndices = build.skin.indices;\n\t\t\t\tgeometry.sources.skinWeights = build.skin.weights;\n\n\t\t\t}\n\n\t\t\treturn build;\n\n\t\t}\n\n\t\tfunction buildSkin( data ) {\n\n\t\t\tconst BONE_LIMIT = 4;\n\n\t\t\tconst build = {\n\t\t\t\tjoints: [], // this must be an array to preserve the joint order\n\t\t\t\tindices: {\n\t\t\t\t\tarray: [],\n\t\t\t\t\tstride: BONE_LIMIT\n\t\t\t\t},\n\t\t\t\tweights: {\n\t\t\t\t\tarray: [],\n\t\t\t\t\tstride: BONE_LIMIT\n\t\t\t\t}\n\t\t\t};\n\n\t\t\tconst sources = data.sources;\n\t\t\tconst vertexWeights = data.vertexWeights;\n\n\t\t\tconst vcount = vertexWeights.vcount;\n\t\t\tconst v = vertexWeights.v;\n\t\t\tconst jointOffset = vertexWeights.inputs.JOINT.offset;\n\t\t\tconst weightOffset = vertexWeights.inputs.WEIGHT.offset;\n\n\t\t\tconst jointSource = data.sources[ data.joints.inputs.JOINT ];\n\t\t\tconst inverseSource = data.sources[ data.joints.inputs.INV_BIND_MATRIX ];\n\n\t\t\tconst weights = sources[ vertexWeights.inputs.WEIGHT.id ].array;\n\t\t\tlet stride = 0;\n\n\t\t\tlet i, j, l;\n\n\t\t\t// procces skin data for each vertex\n\n\t\t\tfor ( i = 0, l = vcount.length; i < l; i ++ ) {\n\n\t\t\t\tconst jointCount = vcount[ i ]; // this is the amount of joints that affect a single vertex\n\t\t\t\tconst vertexSkinData = [];\n\n\t\t\t\tfor ( j = 0; j < jointCount; j ++ ) {\n\n\t\t\t\t\tconst skinIndex = v[ stride + jointOffset ];\n\t\t\t\t\tconst weightId = v[ stride + weightOffset ];\n\t\t\t\t\tconst skinWeight = weights[ weightId ];\n\n\t\t\t\t\tvertexSkinData.push( { index: skinIndex, weight: skinWeight } );\n\n\t\t\t\t\tstride += 2;\n\n\t\t\t\t}\n\n\t\t\t\t// we sort the joints in descending order based on the weights.\n\t\t\t\t// this ensures, we only procced the most important joints of the vertex\n\n\t\t\t\tvertexSkinData.sort( descending );\n\n\t\t\t\t// now we provide for each vertex a set of four index and weight values.\n\t\t\t\t// the order of the skin data matches the order of vertices\n\n\t\t\t\tfor ( j = 0; j < BONE_LIMIT; j ++ ) {\n\n\t\t\t\t\tconst d = vertexSkinData[ j ];\n\n\t\t\t\t\tif ( d !== undefined ) {\n\n\t\t\t\t\t\tbuild.indices.array.push( d.index );\n\t\t\t\t\t\tbuild.weights.array.push( d.weight );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbuild.indices.array.push( 0 );\n\t\t\t\t\t\tbuild.weights.array.push( 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// setup bind matrix\n\n\t\t\tif ( data.bindShapeMatrix ) {\n\n\t\t\t\tbuild.bindMatrix = new Matrix4().fromArray( data.bindShapeMatrix ).transpose();\n\n\t\t\t} else {\n\n\t\t\t\tbuild.bindMatrix = new Matrix4().identity();\n\n\t\t\t}\n\n\t\t\t// process bones and inverse bind matrix data\n\n\t\t\tfor ( i = 0, l = jointSource.array.length; i < l; i ++ ) {\n\n\t\t\t\tconst name = jointSource.array[ i ];\n\t\t\t\tconst boneInverse = new Matrix4().fromArray( inverseSource.array, i * inverseSource.stride ).transpose();\n\n\t\t\t\tbuild.joints.push( { name: name, boneInverse: boneInverse } );\n\n\t\t\t}\n\n\t\t\treturn build;\n\n\t\t\t// array sort function\n\n\t\t\tfunction descending( a, b ) {\n\n\t\t\t\treturn b.weight - a.weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getController( id ) {\n\n\t\t\treturn getBuild( library.controllers[ id ], buildController );\n\n\t\t}\n\n\t\t// image\n\n\t\tfunction parseImage( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tinit_from: getElementsByTagName( xml, 'init_from' )[ 0 ].textContent\n\t\t\t};\n\n\t\t\tlibrary.images[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction buildImage( data ) {\n\n\t\t\tif ( data.build !== undefined ) return data.build;\n\n\t\t\treturn data.init_from;\n\n\t\t}\n\n\t\tfunction getImage( id ) {\n\n\t\t\tconst data = library.images[ id ];\n\n\t\t\tif ( data !== undefined ) {\n\n\t\t\t\treturn getBuild( data, buildImage );\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.ColladaLoader: Couldn\\'t find image with ID:', id );\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// effect\n\n\t\tfunction parseEffect( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'profile_COMMON':\n\t\t\t\t\t\tdata.profile = parseEffectProfileCOMMON( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.effects[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseEffectProfileCOMMON( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsurfaces: {},\n\t\t\t\tsamplers: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'newparam':\n\t\t\t\t\t\tparseEffectNewparam( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'technique':\n\t\t\t\t\t\tdata.technique = parseEffectTechnique( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'extra':\n\t\t\t\t\t\tdata.extra = parseEffectExtra( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectNewparam( xml, data ) {\n\n\t\t\tconst sid = xml.getAttribute( 'sid' );\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'surface':\n\t\t\t\t\t\tdata.surfaces[ sid ] = parseEffectSurface( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'sampler2D':\n\t\t\t\t\t\tdata.samplers[ sid ] = parseEffectSampler( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseEffectSurface( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'init_from':\n\t\t\t\t\t\tdata.init_from = child.textContent;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectSampler( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'source':\n\t\t\t\t\t\tdata.source = child.textContent;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectTechnique( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'constant':\n\t\t\t\t\tcase 'lambert':\n\t\t\t\t\tcase 'blinn':\n\t\t\t\t\tcase 'phong':\n\t\t\t\t\t\tdata.type = child.nodeName;\n\t\t\t\t\t\tdata.parameters = parseEffectParameters( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'extra':\n\t\t\t\t\t\tdata.extra = parseEffectExtra( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectParameters( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'emission':\n\t\t\t\t\tcase 'diffuse':\n\t\t\t\t\tcase 'specular':\n\t\t\t\t\tcase 'bump':\n\t\t\t\t\tcase 'ambient':\n\t\t\t\t\tcase 'shininess':\n\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseEffectParameter( child );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tdata[ child.nodeName ] = {\n\t\t\t\t\t\t\topaque: child.hasAttribute( 'opaque' ) ? child.getAttribute( 'opaque' ) : 'A_ONE',\n\t\t\t\t\t\t\tdata: parseEffectParameter( child )\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectParameter( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'color':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseFloats( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'float':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseFloat( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'texture':\n\t\t\t\t\t\tdata[ child.nodeName ] = { id: child.getAttribute( 'texture' ), extra: parseEffectParameterTexture( child ) };\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectParameterTexture( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\ttechnique: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'extra':\n\t\t\t\t\t\tparseEffectParameterTextureExtra( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectParameterTextureExtra( xml, data ) {\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique':\n\t\t\t\t\t\tparseEffectParameterTextureExtraTechnique( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseEffectParameterTextureExtraTechnique( xml, data ) {\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'repeatU':\n\t\t\t\t\tcase 'repeatV':\n\t\t\t\t\tcase 'offsetU':\n\t\t\t\t\tcase 'offsetV':\n\t\t\t\t\t\tdata.technique[ child.nodeName ] = parseFloat( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'wrapU':\n\t\t\t\t\tcase 'wrapV':\n\n\t\t\t\t\t\t// some files have values for wrapU/wrapV which become NaN via parseInt\n\n\t\t\t\t\t\tif ( child.textContent.toUpperCase() === 'TRUE' ) {\n\n\t\t\t\t\t\t\tdata.technique[ child.nodeName ] = 1;\n\n\t\t\t\t\t\t} else if ( child.textContent.toUpperCase() === 'FALSE' ) {\n\n\t\t\t\t\t\t\tdata.technique[ child.nodeName ] = 0;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tdata.technique[ child.nodeName ] = parseInt( child.textContent );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bump':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseEffectExtraTechniqueBump( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseEffectExtra( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique':\n\t\t\t\t\t\tdata.technique = parseEffectExtraTechnique( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectExtraTechnique( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'double_sided':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseInt( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bump':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseEffectExtraTechniqueBump( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectExtraTechniqueBump( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'texture':\n\t\t\t\t\t\tdata[ child.nodeName ] = { id: child.getAttribute( 'texture' ), texcoord: child.getAttribute( 'texcoord' ), extra: parseEffectParameterTexture( child ) };\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildEffect( data ) {\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction getEffect( id ) {\n\n\t\t\treturn getBuild( library.effects[ id ], buildEffect );\n\n\t\t}\n\n\t\t// material\n\n\t\tfunction parseMaterial( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' )\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'instance_effect':\n\t\t\t\t\t\tdata.url = parseId( child.getAttribute( 'url' ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.materials[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction getTextureLoader( image ) {\n\n\t\t\tlet loader;\n\n\t\t\tlet extension = image.slice( ( image.lastIndexOf( '.' ) - 1 >>> 0 ) + 2 ); // http://www.jstips.co/en/javascript/get-file-extension/\n\t\t\textension = extension.toLowerCase();\n\n\t\t\tswitch ( extension ) {\n\n\t\t\t\tcase 'tga':\n\t\t\t\t\tloader = tgaLoader;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tloader = textureLoader;\n\n\t\t\t}\n\n\t\t\treturn loader;\n\n\t\t}\n\n\t\tfunction buildMaterial( data ) {\n\n\t\t\tconst effect = getEffect( data.url );\n\t\t\tconst technique = effect.profile.technique;\n\n\t\t\tlet material;\n\n\t\t\tswitch ( technique.type ) {\n\n\t\t\t\tcase 'phong':\n\t\t\t\tcase 'blinn':\n\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'lambert':\n\t\t\t\t\tmaterial = new MeshLambertMaterial();\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tmaterial = new MeshBasicMaterial();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tmaterial.name = data.name || '';\n\n\t\t\tfunction getTexture( textureObject, encoding = null ) {\n\n\t\t\t\tconst sampler = effect.profile.samplers[ textureObject.id ];\n\t\t\t\tlet image = null;\n\n\t\t\t\t// get image\n\n\t\t\t\tif ( sampler !== undefined ) {\n\n\t\t\t\t\tconst surface = effect.profile.surfaces[ sampler.source ];\n\t\t\t\t\timage = getImage( surface.init_from );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Undefined sampler. Access image directly (see #12530).' );\n\t\t\t\t\timage = getImage( textureObject.id );\n\n\t\t\t\t}\n\n\t\t\t\t// create texture if image is avaiable\n\n\t\t\t\tif ( image !== null ) {\n\n\t\t\t\t\tconst loader = getTextureLoader( image );\n\n\t\t\t\t\tif ( loader !== undefined ) {\n\n\t\t\t\t\t\tconst texture = loader.load( image );\n\n\t\t\t\t\t\tconst extra = textureObject.extra;\n\n\t\t\t\t\t\tif ( extra !== undefined && extra.technique !== undefined && isEmpty( extra.technique ) === false ) {\n\n\t\t\t\t\t\t\tconst technique = extra.technique;\n\n\t\t\t\t\t\t\ttexture.wrapS = technique.wrapU ? RepeatWrapping : ClampToEdgeWrapping;\n\t\t\t\t\t\t\ttexture.wrapT = technique.wrapV ? RepeatWrapping : ClampToEdgeWrapping;\n\n\t\t\t\t\t\t\ttexture.offset.set( technique.offsetU || 0, technique.offsetV || 0 );\n\t\t\t\t\t\t\ttexture.repeat.set( technique.repeatU || 1, technique.repeatV || 1 );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ttexture.wrapS = RepeatWrapping;\n\t\t\t\t\t\t\ttexture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( encoding !== null ) {\n\n\t\t\t\t\t\t\ttexture.encoding = encoding;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\treturn texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Loader for texture %s not found.', image );\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Couldn\\'t create texture with ID:', textureObject.id );\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst parameters = technique.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tconst parameter = parameters[ key ];\n\n\t\t\t\tswitch ( key ) {\n\n\t\t\t\t\tcase 'diffuse':\n\t\t\t\t\t\tif ( parameter.color ) material.color.fromArray( parameter.color );\n\t\t\t\t\t\tif ( parameter.texture ) material.map = getTexture( parameter.texture, sRGBEncoding );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'specular':\n\t\t\t\t\t\tif ( parameter.color && material.specular ) material.specular.fromArray( parameter.color );\n\t\t\t\t\t\tif ( parameter.texture ) material.specularMap = getTexture( parameter.texture );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'bump':\n\t\t\t\t\t\tif ( parameter.texture ) material.normalMap = getTexture( parameter.texture );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'ambient':\n\t\t\t\t\t\tif ( parameter.texture ) material.lightMap = getTexture( parameter.texture, sRGBEncoding );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'shininess':\n\t\t\t\t\t\tif ( parameter.float && material.shininess ) material.shininess = parameter.float;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'emission':\n\t\t\t\t\t\tif ( parameter.color && material.emissive ) material.emissive.fromArray( parameter.color );\n\t\t\t\t\t\tif ( parameter.texture ) material.emissiveMap = getTexture( parameter.texture, sRGBEncoding );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tmaterial.color.convertSRGBToLinear();\n\t\t\tif ( material.specular ) material.specular.convertSRGBToLinear();\n\t\t\tif ( material.emissive ) material.emissive.convertSRGBToLinear();\n\n\t\t\t//\n\n\t\t\tlet transparent = parameters[ 'transparent' ];\n\t\t\tlet transparency = parameters[ 'transparency' ];\n\n\t\t\t// does not exist but \n\n\t\t\tif ( transparency === undefined && transparent ) {\n\n\t\t\t\ttransparency = {\n\t\t\t\t\tfloat: 1\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// does not exist but \n\n\t\t\tif ( transparent === undefined && transparency ) {\n\n\t\t\t\ttransparent = {\n\t\t\t\t\topaque: 'A_ONE',\n\t\t\t\t\tdata: {\n\t\t\t\t\t\tcolor: [ 1, 1, 1, 1 ]\n\t\t\t\t\t} };\n\n\t\t\t}\n\n\t\t\tif ( transparent && transparency ) {\n\n\t\t\t\t// handle case if a texture exists but no color\n\n\t\t\t\tif ( transparent.data.texture ) {\n\n\t\t\t\t\t// we do not set an alpha map (see #13792)\n\n\t\t\t\t\tmaterial.transparent = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst color = transparent.data.color;\n\n\t\t\t\t\tswitch ( transparent.opaque ) {\n\n\t\t\t\t\t\tcase 'A_ONE':\n\t\t\t\t\t\t\tmaterial.opacity = color[ 3 ] * transparency.float;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'RGB_ZERO':\n\t\t\t\t\t\t\tmaterial.opacity = 1 - ( color[ 0 ] * transparency.float );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'A_ZERO':\n\t\t\t\t\t\t\tmaterial.opacity = 1 - ( color[ 3 ] * transparency.float );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'RGB_ONE':\n\t\t\t\t\t\t\tmaterial.opacity = color[ 0 ] * transparency.float;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Invalid opaque type \"%s\" of transparent tag.', transparent.opaque );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material.opacity < 1 ) material.transparent = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\n\t\t\tif ( technique.extra !== undefined && technique.extra.technique !== undefined ) {\n\n\t\t\t\tconst techniques = technique.extra.technique;\n\n\t\t\t\tfor ( const k in techniques ) {\n\n\t\t\t\t\tconst v = techniques[ k ];\n\n\t\t\t\t\tswitch ( k ) {\n\n\t\t\t\t\t\tcase 'double_sided':\n\t\t\t\t\t\t\tmaterial.side = ( v === 1 ? DoubleSide : FrontSide );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'bump':\n\t\t\t\t\t\t\tmaterial.normalMap = getTexture( v.texture );\n\t\t\t\t\t\t\tmaterial.normalScale = new Vector2( 1, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t\tfunction getMaterial( id ) {\n\n\t\t\treturn getBuild( library.materials[ id ], buildMaterial );\n\n\t\t}\n\n\t\t// camera\n\n\t\tfunction parseCamera( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' )\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'optics':\n\t\t\t\t\t\tdata.optics = parseCameraOptics( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.cameras[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseCameraOptics( xml ) {\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\treturn parseCameraTechnique( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {};\n\n\t\t}\n\n\t\tfunction parseCameraTechnique( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'perspective':\n\t\t\t\t\tcase 'orthographic':\n\n\t\t\t\t\t\tdata.technique = child.nodeName;\n\t\t\t\t\t\tdata.parameters = parseCameraParameters( child );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseCameraParameters( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'xfov':\n\t\t\t\t\tcase 'yfov':\n\t\t\t\t\tcase 'xmag':\n\t\t\t\t\tcase 'ymag':\n\t\t\t\t\tcase 'znear':\n\t\t\t\t\tcase 'zfar':\n\t\t\t\t\tcase 'aspect_ratio':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseFloat( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildCamera( data ) {\n\n\t\t\tlet camera;\n\n\t\t\tswitch ( data.optics.technique ) {\n\n\t\t\t\tcase 'perspective':\n\t\t\t\t\tcamera = new PerspectiveCamera(\n\t\t\t\t\t\tdata.optics.parameters.yfov,\n\t\t\t\t\t\tdata.optics.parameters.aspect_ratio,\n\t\t\t\t\t\tdata.optics.parameters.znear,\n\t\t\t\t\t\tdata.optics.parameters.zfar\n\t\t\t\t\t);\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'orthographic':\n\t\t\t\t\tlet ymag = data.optics.parameters.ymag;\n\t\t\t\t\tlet xmag = data.optics.parameters.xmag;\n\t\t\t\t\tconst aspectRatio = data.optics.parameters.aspect_ratio;\n\n\t\t\t\t\txmag = ( xmag === undefined ) ? ( ymag * aspectRatio ) : xmag;\n\t\t\t\t\tymag = ( ymag === undefined ) ? ( xmag / aspectRatio ) : ymag;\n\n\t\t\t\t\txmag *= 0.5;\n\t\t\t\t\tymag *= 0.5;\n\n\t\t\t\t\tcamera = new OrthographicCamera(\n\t\t\t\t\t\t- xmag, xmag, ymag, - ymag, // left, right, top, bottom\n\t\t\t\t\t\tdata.optics.parameters.znear,\n\t\t\t\t\t\tdata.optics.parameters.zfar\n\t\t\t\t\t);\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tcamera = new PerspectiveCamera();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tcamera.name = data.name || '';\n\n\t\t\treturn camera;\n\n\t\t}\n\n\t\tfunction getCamera( id ) {\n\n\t\t\tconst data = library.cameras[ id ];\n\n\t\t\tif ( data !== undefined ) {\n\n\t\t\t\treturn getBuild( data, buildCamera );\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.ColladaLoader: Couldn\\'t find camera with ID:', id );\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// light\n\n\t\tfunction parseLight( xml ) {\n\n\t\t\tlet data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\tdata = parseLightTechnique( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.lights[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseLightTechnique( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'directional':\n\t\t\t\t\tcase 'point':\n\t\t\t\t\tcase 'spot':\n\t\t\t\t\tcase 'ambient':\n\n\t\t\t\t\t\tdata.technique = child.nodeName;\n\t\t\t\t\t\tdata.parameters = parseLightParameters( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseLightParameters( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'color':\n\t\t\t\t\t\tconst array = parseFloats( child.textContent );\n\t\t\t\t\t\tdata.color = new Color().fromArray( array ).convertSRGBToLinear();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'falloff_angle':\n\t\t\t\t\t\tdata.falloffAngle = parseFloat( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'quadratic_attenuation':\n\t\t\t\t\t\tconst f = parseFloat( child.textContent );\n\t\t\t\t\t\tdata.distance = f ? Math.sqrt( 1 / f ) : 0;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildLight( data ) {\n\n\t\t\tlet light;\n\n\t\t\tswitch ( data.technique ) {\n\n\t\t\t\tcase 'directional':\n\t\t\t\t\tlight = new DirectionalLight();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'point':\n\t\t\t\t\tlight = new PointLight();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'spot':\n\t\t\t\t\tlight = new SpotLight();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'ambient':\n\t\t\t\t\tlight = new AmbientLight();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( data.parameters.color ) light.color.copy( data.parameters.color );\n\t\t\tif ( data.parameters.distance ) light.distance = data.parameters.distance;\n\n\t\t\treturn light;\n\n\t\t}\n\n\t\tfunction getLight( id ) {\n\n\t\t\tconst data = library.lights[ id ];\n\n\t\t\tif ( data !== undefined ) {\n\n\t\t\t\treturn getBuild( data, buildLight );\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.ColladaLoader: Couldn\\'t find light with ID:', id );\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// geometry\n\n\t\tfunction parseGeometry( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ),\n\t\t\t\tsources: {},\n\t\t\t\tvertices: {},\n\t\t\t\tprimitives: []\n\t\t\t};\n\n\t\t\tconst mesh = getElementsByTagName( xml, 'mesh' )[ 0 ];\n\n\t\t\t// the following tags inside geometry are not supported yet (see https://github.com/mrdoob/three.js/pull/12606): convex_mesh, spline, brep\n\t\t\tif ( mesh === undefined ) return;\n\n\t\t\tfor ( let i = 0; i < mesh.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = mesh.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tconst id = child.getAttribute( 'id' );\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'source':\n\t\t\t\t\t\tdata.sources[ id ] = parseSource( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'vertices':\n\t\t\t\t\t\t// data.sources[ id ] = data.sources[ parseId( getElementsByTagName( child, 'input' )[ 0 ].getAttribute( 'source' ) ) ];\n\t\t\t\t\t\tdata.vertices = parseGeometryVertices( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'polygons':\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Unsupported primitive type: ', child.nodeName );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'lines':\n\t\t\t\t\tcase 'linestrips':\n\t\t\t\t\tcase 'polylist':\n\t\t\t\t\tcase 'triangles':\n\t\t\t\t\t\tdata.primitives.push( parseGeometryPrimitive( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tconsole.log( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.geometries[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseSource( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tarray: [],\n\t\t\t\tstride: 3\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'float_array':\n\t\t\t\t\t\tdata.array = parseFloats( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Name_array':\n\t\t\t\t\t\tdata.array = parseStrings( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\tconst accessor = getElementsByTagName( child, 'accessor' )[ 0 ];\n\n\t\t\t\t\t\tif ( accessor !== undefined ) {\n\n\t\t\t\t\t\t\tdata.stride = parseInt( accessor.getAttribute( 'stride' ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseGeometryVertices( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tdata[ child.getAttribute( 'semantic' ) ] = parseId( child.getAttribute( 'source' ) );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseGeometryPrimitive( xml ) {\n\n\t\t\tconst primitive = {\n\t\t\t\ttype: xml.nodeName,\n\t\t\t\tmaterial: xml.getAttribute( 'material' ),\n\t\t\t\tcount: parseInt( xml.getAttribute( 'count' ) ),\n\t\t\t\tinputs: {},\n\t\t\t\tstride: 0,\n\t\t\t\thasUV: false\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'input':\n\t\t\t\t\t\tconst id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tconst semantic = child.getAttribute( 'semantic' );\n\t\t\t\t\t\tconst offset = parseInt( child.getAttribute( 'offset' ) );\n\t\t\t\t\t\tconst set = parseInt( child.getAttribute( 'set' ) );\n\t\t\t\t\t\tconst inputname = ( set > 0 ? semantic + set : semantic );\n\t\t\t\t\t\tprimitive.inputs[ inputname ] = { id: id, offset: offset };\n\t\t\t\t\t\tprimitive.stride = Math.max( primitive.stride, offset + 1 );\n\t\t\t\t\t\tif ( semantic === 'TEXCOORD' ) primitive.hasUV = true;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'vcount':\n\t\t\t\t\t\tprimitive.vcount = parseInts( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'p':\n\t\t\t\t\t\tprimitive.p = parseInts( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn primitive;\n\n\t\t}\n\n\t\tfunction groupPrimitives( primitives ) {\n\n\t\t\tconst build = {};\n\n\t\t\tfor ( let i = 0; i < primitives.length; i ++ ) {\n\n\t\t\t\tconst primitive = primitives[ i ];\n\n\t\t\t\tif ( build[ primitive.type ] === undefined ) build[ primitive.type ] = [];\n\n\t\t\t\tbuild[ primitive.type ].push( primitive );\n\n\t\t\t}\n\n\t\t\treturn build;\n\n\t\t}\n\n\t\tfunction checkUVCoordinates( primitives ) {\n\n\t\t\tlet count = 0;\n\n\t\t\tfor ( let i = 0, l = primitives.length; i < l; i ++ ) {\n\n\t\t\t\tconst primitive = primitives[ i ];\n\n\t\t\t\tif ( primitive.hasUV === true ) {\n\n\t\t\t\t\tcount ++;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( count > 0 && count < primitives.length ) {\n\n\t\t\t\tprimitives.uvsNeedsFix = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction buildGeometry( data ) {\n\n\t\t\tconst build = {};\n\n\t\t\tconst sources = data.sources;\n\t\t\tconst vertices = data.vertices;\n\t\t\tconst primitives = data.primitives;\n\n\t\t\tif ( primitives.length === 0 ) return {};\n\n\t\t\t// our goal is to create one buffer geometry for a single type of primitives\n\t\t\t// first, we group all primitives by their type\n\n\t\t\tconst groupedPrimitives = groupPrimitives( primitives );\n\n\t\t\tfor ( const type in groupedPrimitives ) {\n\n\t\t\t\tconst primitiveType = groupedPrimitives[ type ];\n\n\t\t\t\t// second, ensure consistent uv coordinates for each type of primitives (polylist,triangles or lines)\n\n\t\t\t\tcheckUVCoordinates( primitiveType );\n\n\t\t\t\t// third, create a buffer geometry for each type of primitives\n\n\t\t\t\tbuild[ type ] = buildGeometryType( primitiveType, sources, vertices );\n\n\t\t\t}\n\n\t\t\treturn build;\n\n\t\t}\n\n\t\tfunction buildGeometryType( primitives, sources, vertices ) {\n\n\t\t\tconst build = {};\n\n\t\t\tconst position = { array: [], stride: 0 };\n\t\t\tconst normal = { array: [], stride: 0 };\n\t\t\tconst uv = { array: [], stride: 0 };\n\t\t\tconst uv2 = { array: [], stride: 0 };\n\t\t\tconst color = { array: [], stride: 0 };\n\n\t\t\tconst skinIndex = { array: [], stride: 4 };\n\t\t\tconst skinWeight = { array: [], stride: 4 };\n\n\t\t\tconst geometry = new BufferGeometry();\n\n\t\t\tconst materialKeys = [];\n\n\t\t\tlet start = 0;\n\n\t\t\tfor ( let p = 0; p < primitives.length; p ++ ) {\n\n\t\t\t\tconst primitive = primitives[ p ];\n\t\t\t\tconst inputs = primitive.inputs;\n\n\t\t\t\t// groups\n\n\t\t\t\tlet count = 0;\n\n\t\t\t\tswitch ( primitive.type ) {\n\n\t\t\t\t\tcase 'lines':\n\t\t\t\t\tcase 'linestrips':\n\t\t\t\t\t\tcount = primitive.count * 2;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'triangles':\n\t\t\t\t\t\tcount = primitive.count * 3;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'polylist':\n\n\t\t\t\t\t\tfor ( let g = 0; g < primitive.count; g ++ ) {\n\n\t\t\t\t\t\t\tconst vc = primitive.vcount[ g ];\n\n\t\t\t\t\t\t\tswitch ( vc ) {\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\tcount += 3; // single triangle\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\tcount += 6; // quad, subdivided into two triangles\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\tcount += ( vc - 2 ) * 3; // polylist with more than four vertices\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Unknow primitive type:', primitive.type );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addGroup( start, count, p );\n\t\t\t\tstart += count;\n\n\t\t\t\t// material\n\n\t\t\t\tif ( primitive.material ) {\n\n\t\t\t\t\tmaterialKeys.push( primitive.material );\n\n\t\t\t\t}\n\n\t\t\t\t// geometry data\n\n\t\t\t\tfor ( const name in inputs ) {\n\n\t\t\t\t\tconst input = inputs[ name ];\n\n\t\t\t\t\tswitch ( name )\t{\n\n\t\t\t\t\t\tcase 'VERTEX':\n\t\t\t\t\t\t\tfor ( const key in vertices ) {\n\n\t\t\t\t\t\t\t\tconst id = vertices[ key ];\n\n\t\t\t\t\t\t\t\tswitch ( key ) {\n\n\t\t\t\t\t\t\t\t\tcase 'POSITION':\n\t\t\t\t\t\t\t\t\t\tconst prevLength = position.array.length;\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, position.array );\n\t\t\t\t\t\t\t\t\t\tposition.stride = sources[ id ].stride;\n\n\t\t\t\t\t\t\t\t\t\tif ( sources.skinWeights && sources.skinIndices ) {\n\n\t\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources.skinIndices, input.offset, skinIndex.array );\n\t\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources.skinWeights, input.offset, skinWeight.array );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\t// see #3803\n\n\t\t\t\t\t\t\t\t\t\tif ( primitive.hasUV === false && primitives.uvsNeedsFix === true ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst count = ( position.array.length - prevLength ) / position.stride;\n\n\t\t\t\t\t\t\t\t\t\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\t\t// fill missing uv coordinates\n\n\t\t\t\t\t\t\t\t\t\t\t\tuv.array.push( 0, 0 );\n\n\t\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tcase 'NORMAL':\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, normal.array );\n\t\t\t\t\t\t\t\t\t\tnormal.stride = sources[ id ].stride;\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tcase 'COLOR':\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, color.array );\n\t\t\t\t\t\t\t\t\t\tcolor.stride = sources[ id ].stride;\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tcase 'TEXCOORD':\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, uv.array );\n\t\t\t\t\t\t\t\t\t\tuv.stride = sources[ id ].stride;\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tcase 'TEXCOORD1':\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, uv2.array );\n\t\t\t\t\t\t\t\t\t\tuv.stride = sources[ id ].stride;\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Semantic \"%s\" not handled in geometry build process.', key );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'NORMAL':\n\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ input.id ], input.offset, normal.array );\n\t\t\t\t\t\t\tnormal.stride = sources[ input.id ].stride;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'COLOR':\n\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ input.id ], input.offset, color.array, true );\n\t\t\t\t\t\t\tcolor.stride = sources[ input.id ].stride;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TEXCOORD':\n\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ input.id ], input.offset, uv.array );\n\t\t\t\t\t\t\tuv.stride = sources[ input.id ].stride;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TEXCOORD1':\n\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ input.id ], input.offset, uv2.array );\n\t\t\t\t\t\t\tuv2.stride = sources[ input.id ].stride;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tif ( position.array.length > 0 ) geometry.setAttribute( 'position', new Float32BufferAttribute( position.array, position.stride ) );\n\t\t\tif ( normal.array.length > 0 ) geometry.setAttribute( 'normal', new Float32BufferAttribute( normal.array, normal.stride ) );\n\t\t\tif ( color.array.length > 0 ) geometry.setAttribute( 'color', new Float32BufferAttribute( color.array, color.stride ) );\n\t\t\tif ( uv.array.length > 0 ) geometry.setAttribute( 'uv', new Float32BufferAttribute( uv.array, uv.stride ) );\n\t\t\tif ( uv2.array.length > 0 ) geometry.setAttribute( 'uv2', new Float32BufferAttribute( uv2.array, uv2.stride ) );\n\n\t\t\tif ( skinIndex.array.length > 0 ) geometry.setAttribute( 'skinIndex', new Float32BufferAttribute( skinIndex.array, skinIndex.stride ) );\n\t\t\tif ( skinWeight.array.length > 0 ) geometry.setAttribute( 'skinWeight', new Float32BufferAttribute( skinWeight.array, skinWeight.stride ) );\n\n\t\t\tbuild.data = geometry;\n\t\t\tbuild.type = primitives[ 0 ].type;\n\t\t\tbuild.materialKeys = materialKeys;\n\n\t\t\treturn build;\n\n\t\t}\n\n\t\tfunction buildGeometryData( primitive, source, offset, array, isColor = false ) {\n\n\t\t\tconst indices = primitive.p;\n\t\t\tconst stride = primitive.stride;\n\t\t\tconst vcount = primitive.vcount;\n\n\t\t\tfunction pushVector( i ) {\n\n\t\t\t\tlet index = indices[ i + offset ] * sourceStride;\n\t\t\t\tconst length = index + sourceStride;\n\n\t\t\t\tfor ( ; index < length; index ++ ) {\n\n\t\t\t\t\tarray.push( sourceArray[ index ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( isColor ) {\n\n\t\t\t\t\t// convert the vertex colors from srgb to linear if present\n\t\t\t\t\tconst startIndex = array.length - sourceStride - 1;\n\t\t\t\t\ttempColor.setRGB(\n\t\t\t\t\t\tarray[ startIndex + 0 ],\n\t\t\t\t\t\tarray[ startIndex + 1 ],\n\t\t\t\t\t\tarray[ startIndex + 2 ]\n\t\t\t\t\t).convertSRGBToLinear();\n\n\t\t\t\t\tarray[ startIndex + 0 ] = tempColor.r;\n\t\t\t\t\tarray[ startIndex + 1 ] = tempColor.g;\n\t\t\t\t\tarray[ startIndex + 2 ] = tempColor.b;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst sourceArray = source.array;\n\t\t\tconst sourceStride = source.stride;\n\n\t\t\tif ( primitive.vcount !== undefined ) {\n\n\t\t\t\tlet index = 0;\n\n\t\t\t\tfor ( let i = 0, l = vcount.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst count = vcount[ i ];\n\n\t\t\t\t\tif ( count === 4 ) {\n\n\t\t\t\t\t\tconst a = index + stride * 0;\n\t\t\t\t\t\tconst b = index + stride * 1;\n\t\t\t\t\t\tconst c = index + stride * 2;\n\t\t\t\t\t\tconst d = index + stride * 3;\n\n\t\t\t\t\t\tpushVector( a ); pushVector( b ); pushVector( d );\n\t\t\t\t\t\tpushVector( b ); pushVector( c ); pushVector( d );\n\n\t\t\t\t\t} else if ( count === 3 ) {\n\n\t\t\t\t\t\tconst a = index + stride * 0;\n\t\t\t\t\t\tconst b = index + stride * 1;\n\t\t\t\t\t\tconst c = index + stride * 2;\n\n\t\t\t\t\t\tpushVector( a ); pushVector( b ); pushVector( c );\n\n\t\t\t\t\t} else if ( count > 4 ) {\n\n\t\t\t\t\t\tfor ( let k = 1, kl = ( count - 2 ); k <= kl; k ++ ) {\n\n\t\t\t\t\t\t\tconst a = index + stride * 0;\n\t\t\t\t\t\t\tconst b = index + stride * k;\n\t\t\t\t\t\t\tconst c = index + stride * ( k + 1 );\n\n\t\t\t\t\t\t\tpushVector( a ); pushVector( b ); pushVector( c );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tindex += stride * count;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( let i = 0, l = indices.length; i < l; i += stride ) {\n\n\t\t\t\t\tpushVector( i );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getGeometry( id ) {\n\n\t\t\treturn getBuild( library.geometries[ id ], buildGeometry );\n\n\t\t}\n\n\t\t// kinematics\n\n\t\tfunction parseKinematicsModel( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\tjoints: {},\n\t\t\t\tlinks: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\tparseKinematicsTechniqueCommon( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.kinematicsModels[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction buildKinematicsModel( data ) {\n\n\t\t\tif ( data.build !== undefined ) return data.build;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction getKinematicsModel( id ) {\n\n\t\t\treturn getBuild( library.kinematicsModels[ id ], buildKinematicsModel );\n\n\t\t}\n\n\t\tfunction parseKinematicsTechniqueCommon( xml, data ) {\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'joint':\n\t\t\t\t\t\tdata.joints[ child.getAttribute( 'sid' ) ] = parseKinematicsJoint( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'link':\n\t\t\t\t\t\tdata.links.push( parseKinematicsLink( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseKinematicsJoint( xml ) {\n\n\t\t\tlet data;\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'prismatic':\n\t\t\t\t\tcase 'revolute':\n\t\t\t\t\t\tdata = parseKinematicsJointParameter( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseKinematicsJointParameter( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsid: xml.getAttribute( 'sid' ),\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\taxis: new Vector3(),\n\t\t\t\tlimits: {\n\t\t\t\t\tmin: 0,\n\t\t\t\t\tmax: 0\n\t\t\t\t},\n\t\t\t\ttype: xml.nodeName,\n\t\t\t\tstatic: false,\n\t\t\t\tzeroPosition: 0,\n\t\t\t\tmiddlePosition: 0\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'axis':\n\t\t\t\t\t\tconst array = parseFloats( child.textContent );\n\t\t\t\t\t\tdata.axis.fromArray( array );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'limits':\n\t\t\t\t\t\tconst max = child.getElementsByTagName( 'max' )[ 0 ];\n\t\t\t\t\t\tconst min = child.getElementsByTagName( 'min' )[ 0 ];\n\n\t\t\t\t\t\tdata.limits.max = parseFloat( max.textContent );\n\t\t\t\t\t\tdata.limits.min = parseFloat( min.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// if min is equal to or greater than max, consider the joint static\n\n\t\t\tif ( data.limits.min >= data.limits.max ) {\n\n\t\t\t\tdata.static = true;\n\n\t\t\t}\n\n\t\t\t// calculate middle position\n\n\t\t\tdata.middlePosition = ( data.limits.min + data.limits.max ) / 2.0;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseKinematicsLink( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsid: xml.getAttribute( 'sid' ),\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\tattachments: [],\n\t\t\t\ttransforms: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'attachment_full':\n\t\t\t\t\t\tdata.attachments.push( parseKinematicsAttachment( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'matrix':\n\t\t\t\t\tcase 'translate':\n\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\tdata.transforms.push( parseKinematicsTransform( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseKinematicsAttachment( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tjoint: xml.getAttribute( 'joint' ).split( '/' ).pop(),\n\t\t\t\ttransforms: [],\n\t\t\t\tlinks: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'link':\n\t\t\t\t\t\tdata.links.push( parseKinematicsLink( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'matrix':\n\t\t\t\t\tcase 'translate':\n\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\tdata.transforms.push( parseKinematicsTransform( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseKinematicsTransform( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\ttype: xml.nodeName\n\t\t\t};\n\n\t\t\tconst array = parseFloats( xml.textContent );\n\n\t\t\tswitch ( data.type ) {\n\n\t\t\t\tcase 'matrix':\n\t\t\t\t\tdata.obj = new Matrix4();\n\t\t\t\t\tdata.obj.fromArray( array ).transpose();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'translate':\n\t\t\t\t\tdata.obj = new Vector3();\n\t\t\t\t\tdata.obj.fromArray( array );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'rotate':\n\t\t\t\t\tdata.obj = new Vector3();\n\t\t\t\t\tdata.obj.fromArray( array );\n\t\t\t\t\tdata.angle = MathUtils.degToRad( array[ 3 ] );\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// physics\n\n\t\tfunction parsePhysicsModel( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\trigidBodies: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'rigid_body':\n\t\t\t\t\t\tdata.rigidBodies[ child.getAttribute( 'name' ) ] = {};\n\t\t\t\t\t\tparsePhysicsRigidBody( child, data.rigidBodies[ child.getAttribute( 'name' ) ] );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.physicsModels[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parsePhysicsRigidBody( xml, data ) {\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\tparsePhysicsTechniqueCommon( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parsePhysicsTechniqueCommon( xml, data ) {\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'inertia':\n\t\t\t\t\t\tdata.inertia = parseFloats( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'mass':\n\t\t\t\t\t\tdata.mass = parseFloats( child.textContent )[ 0 ];\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// scene\n\n\t\tfunction parseKinematicsScene( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tbindJointAxis: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'bind_joint_axis':\n\t\t\t\t\t\tdata.bindJointAxis.push( parseKinematicsBindJointAxis( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.kinematicsScenes[ parseId( xml.getAttribute( 'url' ) ) ] = data;\n\n\t\t}\n\n\t\tfunction parseKinematicsBindJointAxis( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\ttarget: xml.getAttribute( 'target' ).split( '/' ).pop()\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'axis':\n\t\t\t\t\t\tconst param = child.getElementsByTagName( 'param' )[ 0 ];\n\t\t\t\t\t\tdata.axis = param.textContent;\n\t\t\t\t\t\tconst tmpJointIndex = data.axis.split( 'inst_' ).pop().split( 'axis' )[ 0 ];\n\t\t\t\t\t\tdata.jointIndex = tmpJointIndex.substring( 0, tmpJointIndex.length - 1 );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildKinematicsScene( data ) {\n\n\t\t\tif ( data.build !== undefined ) return data.build;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction getKinematicsScene( id ) {\n\n\t\t\treturn getBuild( library.kinematicsScenes[ id ], buildKinematicsScene );\n\n\t\t}\n\n\t\tfunction setupKinematics() {\n\n\t\t\tconst kinematicsModelId = Object.keys( library.kinematicsModels )[ 0 ];\n\t\t\tconst kinematicsSceneId = Object.keys( library.kinematicsScenes )[ 0 ];\n\t\t\tconst visualSceneId = Object.keys( library.visualScenes )[ 0 ];\n\n\t\t\tif ( kinematicsModelId === undefined || kinematicsSceneId === undefined ) return;\n\n\t\t\tconst kinematicsModel = getKinematicsModel( kinematicsModelId );\n\t\t\tconst kinematicsScene = getKinematicsScene( kinematicsSceneId );\n\t\t\tconst visualScene = getVisualScene( visualSceneId );\n\n\t\t\tconst bindJointAxis = kinematicsScene.bindJointAxis;\n\t\t\tconst jointMap = {};\n\n\t\t\tfor ( let i = 0, l = bindJointAxis.length; i < l; i ++ ) {\n\n\t\t\t\tconst axis = bindJointAxis[ i ];\n\n\t\t\t\t// the result of the following query is an element of type 'translate', 'rotate','scale' or 'matrix'\n\n\t\t\t\tconst targetElement = collada.querySelector( '[sid=\"' + axis.target + '\"]' );\n\n\t\t\t\tif ( targetElement ) {\n\n\t\t\t\t\t// get the parent of the transform element\n\n\t\t\t\t\tconst parentVisualElement = targetElement.parentElement;\n\n\t\t\t\t\t// connect the joint of the kinematics model with the element in the visual scene\n\n\t\t\t\t\tconnect( axis.jointIndex, parentVisualElement );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction connect( jointIndex, visualElement ) {\n\n\t\t\t\tconst visualElementName = visualElement.getAttribute( 'name' );\n\t\t\t\tconst joint = kinematicsModel.joints[ jointIndex ];\n\n\t\t\t\tvisualScene.traverse( function ( object ) {\n\n\t\t\t\t\tif ( object.name === visualElementName ) {\n\n\t\t\t\t\t\tjointMap[ jointIndex ] = {\n\t\t\t\t\t\t\tobject: object,\n\t\t\t\t\t\t\ttransforms: buildTransformList( visualElement ),\n\t\t\t\t\t\t\tjoint: joint,\n\t\t\t\t\t\t\tposition: joint.zeroPosition\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tconst m0 = new Matrix4();\n\n\t\t\tkinematics = {\n\n\t\t\t\tjoints: kinematicsModel && kinematicsModel.joints,\n\n\t\t\t\tgetJointValue: function ( jointIndex ) {\n\n\t\t\t\t\tconst jointData = jointMap[ jointIndex ];\n\n\t\t\t\t\tif ( jointData ) {\n\n\t\t\t\t\t\treturn jointData.position;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' doesn\\'t exist.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetJointValue: function ( jointIndex, value ) {\n\n\t\t\t\t\tconst jointData = jointMap[ jointIndex ];\n\n\t\t\t\t\tif ( jointData ) {\n\n\t\t\t\t\t\tconst joint = jointData.joint;\n\n\t\t\t\t\t\tif ( value > joint.limits.max || value < joint.limits.min ) {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' value ' + value + ' outside of limits (min: ' + joint.limits.min + ', max: ' + joint.limits.max + ').' );\n\n\t\t\t\t\t\t} else if ( joint.static ) {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' is static.' );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconst object = jointData.object;\n\t\t\t\t\t\t\tconst axis = joint.axis;\n\t\t\t\t\t\t\tconst transforms = jointData.transforms;\n\n\t\t\t\t\t\t\tmatrix.identity();\n\n\t\t\t\t\t\t\t// each update, we have to apply all transforms in the correct order\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < transforms.length; i ++ ) {\n\n\t\t\t\t\t\t\t\tconst transform = transforms[ i ];\n\n\t\t\t\t\t\t\t\t// if there is a connection of the transform node with a joint, apply the joint value\n\n\t\t\t\t\t\t\t\tif ( transform.sid && transform.sid.indexOf( jointIndex ) !== - 1 ) {\n\n\t\t\t\t\t\t\t\t\tswitch ( joint.type ) {\n\n\t\t\t\t\t\t\t\t\t\tcase 'revolute':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( m0.makeRotationAxis( axis, MathUtils.degToRad( value ) ) );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tcase 'prismatic':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( m0.makeTranslation( axis.x * value, axis.y * value, axis.z * value ) );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Unknown joint type: ' + joint.type );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tswitch ( transform.type ) {\n\n\t\t\t\t\t\t\t\t\t\tcase 'matrix':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( transform.obj );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tcase 'translate':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( m0.makeTranslation( transform.obj.x, transform.obj.y, transform.obj.z ) );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tcase 'scale':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.scale( transform.obj );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( m0.makeRotationAxis( transform.obj, transform.angle ) );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tobject.matrix.copy( matrix );\n\t\t\t\t\t\t\tobject.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t\t\t\tjointMap[ jointIndex ].position = value;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.log( 'THREE.ColladaLoader: ' + jointIndex + ' does not exist.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction buildTransformList( node ) {\n\n\t\t\tconst transforms = [];\n\n\t\t\tconst xml = collada.querySelector( '[id=\"' + node.id + '\"]' );\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tlet array, vector;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'matrix':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tconst matrix = new Matrix4().fromArray( array ).transpose();\n\t\t\t\t\t\ttransforms.push( {\n\t\t\t\t\t\t\tsid: child.getAttribute( 'sid' ),\n\t\t\t\t\t\t\ttype: child.nodeName,\n\t\t\t\t\t\t\tobj: matrix\n\t\t\t\t\t\t} );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'translate':\n\t\t\t\t\tcase 'scale':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tvector = new Vector3().fromArray( array );\n\t\t\t\t\t\ttransforms.push( {\n\t\t\t\t\t\t\tsid: child.getAttribute( 'sid' ),\n\t\t\t\t\t\t\ttype: child.nodeName,\n\t\t\t\t\t\t\tobj: vector\n\t\t\t\t\t\t} );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tvector = new Vector3().fromArray( array );\n\t\t\t\t\t\tconst angle = MathUtils.degToRad( array[ 3 ] );\n\t\t\t\t\t\ttransforms.push( {\n\t\t\t\t\t\t\tsid: child.getAttribute( 'sid' ),\n\t\t\t\t\t\t\ttype: child.nodeName,\n\t\t\t\t\t\t\tobj: vector,\n\t\t\t\t\t\t\tangle: angle\n\t\t\t\t\t\t} );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn transforms;\n\n\t\t}\n\n\t\t// nodes\n\n\t\tfunction prepareNodes( xml ) {\n\n\t\t\tconst elements = xml.getElementsByTagName( 'node' );\n\n\t\t\t// ensure all node elements have id attributes\n\n\t\t\tfor ( let i = 0; i < elements.length; i ++ ) {\n\n\t\t\t\tconst element = elements[ i ];\n\n\t\t\t\tif ( element.hasAttribute( 'id' ) === false ) {\n\n\t\t\t\t\telement.setAttribute( 'id', generateId() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst matrix = new Matrix4();\n\t\tconst vector = new Vector3();\n\n\t\tfunction parseNode( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\ttype: xml.getAttribute( 'type' ),\n\t\t\t\tid: xml.getAttribute( 'id' ),\n\t\t\t\tsid: xml.getAttribute( 'sid' ),\n\t\t\t\tmatrix: new Matrix4(),\n\t\t\t\tnodes: [],\n\t\t\t\tinstanceCameras: [],\n\t\t\t\tinstanceControllers: [],\n\t\t\t\tinstanceLights: [],\n\t\t\t\tinstanceGeometries: [],\n\t\t\t\tinstanceNodes: [],\n\t\t\t\ttransforms: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tlet array;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'node':\n\t\t\t\t\t\tdata.nodes.push( child.getAttribute( 'id' ) );\n\t\t\t\t\t\tparseNode( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_camera':\n\t\t\t\t\t\tdata.instanceCameras.push( parseId( child.getAttribute( 'url' ) ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_controller':\n\t\t\t\t\t\tdata.instanceControllers.push( parseNodeInstance( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_light':\n\t\t\t\t\t\tdata.instanceLights.push( parseId( child.getAttribute( 'url' ) ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_geometry':\n\t\t\t\t\t\tdata.instanceGeometries.push( parseNodeInstance( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_node':\n\t\t\t\t\t\tdata.instanceNodes.push( parseId( child.getAttribute( 'url' ) ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'matrix':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tdata.matrix.multiply( matrix.fromArray( array ).transpose() );\n\t\t\t\t\t\tdata.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'translate':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tvector.fromArray( array );\n\t\t\t\t\t\tdata.matrix.multiply( matrix.makeTranslation( vector.x, vector.y, vector.z ) );\n\t\t\t\t\t\tdata.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tconst angle = MathUtils.degToRad( array[ 3 ] );\n\t\t\t\t\t\tdata.matrix.multiply( matrix.makeRotationAxis( vector.fromArray( array ), angle ) );\n\t\t\t\t\t\tdata.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'scale':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tdata.matrix.scale( vector.fromArray( array ) );\n\t\t\t\t\t\tdata.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'extra':\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tconsole.log( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasNode( data.id ) ) {\n\n\t\t\t\tconsole.warn( 'THREE.ColladaLoader: There is already a node with ID %s. Exclude current node from further processing.', data.id );\n\n\t\t\t} else {\n\n\t\t\t\tlibrary.nodes[ data.id ] = data;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseNodeInstance( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tid: parseId( xml.getAttribute( 'url' ) ),\n\t\t\t\tmaterials: {},\n\t\t\t\tskeletons: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'bind_material':\n\t\t\t\t\t\tconst instances = child.getElementsByTagName( 'instance_material' );\n\n\t\t\t\t\t\tfor ( let j = 0; j < instances.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst instance = instances[ j ];\n\t\t\t\t\t\t\tconst symbol = instance.getAttribute( 'symbol' );\n\t\t\t\t\t\t\tconst target = instance.getAttribute( 'target' );\n\n\t\t\t\t\t\t\tdata.materials[ symbol ] = parseId( target );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'skeleton':\n\t\t\t\t\t\tdata.skeletons.push( parseId( child.textContent ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildSkeleton( skeletons, joints ) {\n\n\t\t\tconst boneData = [];\n\t\t\tconst sortedBoneData = [];\n\n\t\t\tlet i, j, data;\n\n\t\t\t// a skeleton can have multiple root bones. collada expresses this\n\t\t\t// situtation with multiple \"skeleton\" tags per controller instance\n\n\t\t\tfor ( i = 0; i < skeletons.length; i ++ ) {\n\n\t\t\t\tconst skeleton = skeletons[ i ];\n\n\t\t\t\tlet root;\n\n\t\t\t\tif ( hasNode( skeleton ) ) {\n\n\t\t\t\t\troot = getNode( skeleton );\n\t\t\t\t\tbuildBoneHierarchy( root, joints, boneData );\n\n\t\t\t\t} else if ( hasVisualScene( skeleton ) ) {\n\n\t\t\t\t\t// handle case where the skeleton refers to the visual scene (#13335)\n\n\t\t\t\t\tconst visualScene = library.visualScenes[ skeleton ];\n\t\t\t\t\tconst children = visualScene.children;\n\n\t\t\t\t\tfor ( let j = 0; j < children.length; j ++ ) {\n\n\t\t\t\t\t\tconst child = children[ j ];\n\n\t\t\t\t\t\tif ( child.type === 'JOINT' ) {\n\n\t\t\t\t\t\t\tconst root = getNode( child.id );\n\t\t\t\t\t\t\tbuildBoneHierarchy( root, joints, boneData );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.ColladaLoader: Unable to find root bone of skeleton with ID:', skeleton );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// sort bone data (the order is defined in the corresponding controller)\n\n\t\t\tfor ( i = 0; i < joints.length; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < boneData.length; j ++ ) {\n\n\t\t\t\t\tdata = boneData[ j ];\n\n\t\t\t\t\tif ( data.bone.name === joints[ i ].name ) {\n\n\t\t\t\t\t\tsortedBoneData[ i ] = data;\n\t\t\t\t\t\tdata.processed = true;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add unprocessed bone data at the end of the list\n\n\t\t\tfor ( i = 0; i < boneData.length; i ++ ) {\n\n\t\t\t\tdata = boneData[ i ];\n\n\t\t\t\tif ( data.processed === false ) {\n\n\t\t\t\t\tsortedBoneData.push( data );\n\t\t\t\t\tdata.processed = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// setup arrays for skeleton creation\n\n\t\t\tconst bones = [];\n\t\t\tconst boneInverses = [];\n\n\t\t\tfor ( i = 0; i < sortedBoneData.length; i ++ ) {\n\n\t\t\t\tdata = sortedBoneData[ i ];\n\n\t\t\t\tbones.push( data.bone );\n\t\t\t\tboneInverses.push( data.boneInverse );\n\n\t\t\t}\n\n\t\t\treturn new Skeleton( bones, boneInverses );\n\n\t\t}\n\n\t\tfunction buildBoneHierarchy( root, joints, boneData ) {\n\n\t\t\t// setup bone data from visual scene\n\n\t\t\troot.traverse( function ( object ) {\n\n\t\t\t\tif ( object.isBone === true ) {\n\n\t\t\t\t\tlet boneInverse;\n\n\t\t\t\t\t// retrieve the boneInverse from the controller data\n\n\t\t\t\t\tfor ( let i = 0; i < joints.length; i ++ ) {\n\n\t\t\t\t\t\tconst joint = joints[ i ];\n\n\t\t\t\t\t\tif ( joint.name === object.name ) {\n\n\t\t\t\t\t\t\tboneInverse = joint.boneInverse;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( boneInverse === undefined ) {\n\n\t\t\t\t\t\t// Unfortunately, there can be joints in the visual scene that are not part of the\n\t\t\t\t\t\t// corresponding controller. In this case, we have to create a dummy boneInverse matrix\n\t\t\t\t\t\t// for the respective bone. This bone won't affect any vertices, because there are no skin indices\n\t\t\t\t\t\t// and weights defined for it. But we still have to add the bone to the sorted bone list in order to\n\t\t\t\t\t\t// ensure a correct animation of the model.\n\n\t\t\t\t\t\tboneInverse = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tboneData.push( { bone: object, boneInverse: boneInverse, processed: false } );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction buildNode( data ) {\n\n\t\t\tconst objects = [];\n\n\t\t\tconst matrix = data.matrix;\n\t\t\tconst nodes = data.nodes;\n\t\t\tconst type = data.type;\n\t\t\tconst instanceCameras = data.instanceCameras;\n\t\t\tconst instanceControllers = data.instanceControllers;\n\t\t\tconst instanceLights = data.instanceLights;\n\t\t\tconst instanceGeometries = data.instanceGeometries;\n\t\t\tconst instanceNodes = data.instanceNodes;\n\n\t\t\t// nodes\n\n\t\t\tfor ( let i = 0, l = nodes.length; i < l; i ++ ) {\n\n\t\t\t\tobjects.push( getNode( nodes[ i ] ) );\n\n\t\t\t}\n\n\t\t\t// instance cameras\n\n\t\t\tfor ( let i = 0, l = instanceCameras.length; i < l; i ++ ) {\n\n\t\t\t\tconst instanceCamera = getCamera( instanceCameras[ i ] );\n\n\t\t\t\tif ( instanceCamera !== null ) {\n\n\t\t\t\t\tobjects.push( instanceCamera.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// instance controllers\n\n\t\t\tfor ( let i = 0, l = instanceControllers.length; i < l; i ++ ) {\n\n\t\t\t\tconst instance = instanceControllers[ i ];\n\t\t\t\tconst controller = getController( instance.id );\n\t\t\t\tconst geometries = getGeometry( controller.id );\n\t\t\t\tconst newObjects = buildObjects( geometries, instance.materials );\n\n\t\t\t\tconst skeletons = instance.skeletons;\n\t\t\t\tconst joints = controller.skin.joints;\n\n\t\t\t\tconst skeleton = buildSkeleton( skeletons, joints );\n\n\t\t\t\tfor ( let j = 0, jl = newObjects.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst object = newObjects[ j ];\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.bind( skeleton, controller.skin.bindMatrix );\n\t\t\t\t\t\tobject.normalizeSkinWeights();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// instance lights\n\n\t\t\tfor ( let i = 0, l = instanceLights.length; i < l; i ++ ) {\n\n\t\t\t\tconst instanceLight = getLight( instanceLights[ i ] );\n\n\t\t\t\tif ( instanceLight !== null ) {\n\n\t\t\t\t\tobjects.push( instanceLight.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// instance geometries\n\n\t\t\tfor ( let i = 0, l = instanceGeometries.length; i < l; i ++ ) {\n\n\t\t\t\tconst instance = instanceGeometries[ i ];\n\n\t\t\t\t// a single geometry instance in collada can lead to multiple object3Ds.\n\t\t\t\t// this is the case when primitives are combined like triangles and lines\n\n\t\t\t\tconst geometries = getGeometry( instance.id );\n\t\t\t\tconst newObjects = buildObjects( geometries, instance.materials );\n\n\t\t\t\tfor ( let j = 0, jl = newObjects.length; j < jl; j ++ ) {\n\n\t\t\t\t\tobjects.push( newObjects[ j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// instance nodes\n\n\t\t\tfor ( let i = 0, l = instanceNodes.length; i < l; i ++ ) {\n\n\t\t\t\tobjects.push( getNode( instanceNodes[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tlet object;\n\n\t\t\tif ( nodes.length === 0 && objects.length === 1 ) {\n\n\t\t\t\tobject = objects[ 0 ];\n\n\t\t\t} else {\n\n\t\t\t\tobject = ( type === 'JOINT' ) ? new Bone() : new Group();\n\n\t\t\t\tfor ( let i = 0; i < objects.length; i ++ ) {\n\n\t\t\t\t\tobject.add( objects[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tobject.name = ( type === 'JOINT' ) ? data.sid : data.name;\n\t\t\tobject.matrix.copy( matrix );\n\t\t\tobject.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\treturn object;\n\n\t\t}\n\n\t\tconst fallbackMaterial = new MeshBasicMaterial( { color: 0xff00ff } );\n\n\t\tfunction resolveMaterialBinding( keys, instanceMaterials ) {\n\n\t\t\tconst materials = [];\n\n\t\t\tfor ( let i = 0, l = keys.length; i < l; i ++ ) {\n\n\t\t\t\tconst id = instanceMaterials[ keys[ i ] ];\n\n\t\t\t\tif ( id === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Material with key %s not found. Apply fallback material.', keys[ i ] );\n\t\t\t\t\tmaterials.push( fallbackMaterial );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterials.push( getMaterial( id ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t}\n\n\t\tfunction buildObjects( geometries, instanceMaterials ) {\n\n\t\t\tconst objects = [];\n\n\t\t\tfor ( const type in geometries ) {\n\n\t\t\t\tconst geometry = geometries[ type ];\n\n\t\t\t\tconst materials = resolveMaterialBinding( geometry.materialKeys, instanceMaterials );\n\n\t\t\t\t// handle case if no materials are defined\n\n\t\t\t\tif ( materials.length === 0 ) {\n\n\t\t\t\t\tif ( type === 'lines' || type === 'linestrips' ) {\n\n\t\t\t\t\t\tmaterials.push( new LineBasicMaterial() );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmaterials.push( new MeshPhongMaterial() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// regard skinning\n\n\t\t\t\tconst skinning = ( geometry.data.attributes.skinIndex !== undefined );\n\n\t\t\t\t// choose between a single or multi materials (material array)\n\n\t\t\t\tconst material = ( materials.length === 1 ) ? materials[ 0 ] : materials;\n\n\t\t\t\t// now create a specific 3D object\n\n\t\t\t\tlet object;\n\n\t\t\t\tswitch ( type ) {\n\n\t\t\t\t\tcase 'lines':\n\t\t\t\t\t\tobject = new LineSegments( geometry.data, material );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'linestrips':\n\t\t\t\t\t\tobject = new Line( geometry.data, material );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'triangles':\n\t\t\t\t\tcase 'polylist':\n\t\t\t\t\t\tif ( skinning ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry.data, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry.data, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tobjects.push( object );\n\n\t\t\t}\n\n\t\t\treturn objects;\n\n\t\t}\n\n\t\tfunction hasNode( id ) {\n\n\t\t\treturn library.nodes[ id ] !== undefined;\n\n\t\t}\n\n\t\tfunction getNode( id ) {\n\n\t\t\treturn getBuild( library.nodes[ id ], buildNode );\n\n\t\t}\n\n\t\t// visual scenes\n\n\t\tfunction parseVisualScene( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ),\n\t\t\t\tchildren: []\n\t\t\t};\n\n\t\t\tprepareNodes( xml );\n\n\t\t\tconst elements = getElementsByTagName( xml, 'node' );\n\n\t\t\tfor ( let i = 0; i < elements.length; i ++ ) {\n\n\t\t\t\tdata.children.push( parseNode( elements[ i ] ) );\n\n\t\t\t}\n\n\t\t\tlibrary.visualScenes[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction buildVisualScene( data ) {\n\n\t\t\tconst group = new Group();\n\t\t\tgroup.name = data.name;\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tconst child = children[ i ];\n\n\t\t\t\tgroup.add( getNode( child.id ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t}\n\n\t\tfunction hasVisualScene( id ) {\n\n\t\t\treturn library.visualScenes[ id ] !== undefined;\n\n\t\t}\n\n\t\tfunction getVisualScene( id ) {\n\n\t\t\treturn getBuild( library.visualScenes[ id ], buildVisualScene );\n\n\t\t}\n\n\t\t// scenes\n\n\t\tfunction parseScene( xml ) {\n\n\t\t\tconst instance = getElementsByTagName( xml, 'instance_visual_scene' )[ 0 ];\n\t\t\treturn getVisualScene( parseId( instance.getAttribute( 'url' ) ) );\n\n\t\t}\n\n\t\tfunction setupAnimations() {\n\n\t\t\tconst clips = library.clips;\n\n\t\t\tif ( isEmpty( clips ) === true ) {\n\n\t\t\t\tif ( isEmpty( library.animations ) === false ) {\n\n\t\t\t\t\t// if there are animations but no clips, we create a default clip for playback\n\n\t\t\t\t\tconst tracks = [];\n\n\t\t\t\t\tfor ( const id in library.animations ) {\n\n\t\t\t\t\t\tconst animationTracks = getAnimation( id );\n\n\t\t\t\t\t\tfor ( let i = 0, l = animationTracks.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\ttracks.push( animationTracks[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimations.push( new AnimationClip( 'default', - 1, tracks ) );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( const id in clips ) {\n\n\t\t\t\t\tanimations.push( getAnimationClip( id ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// convert the parser error element into text with each child elements text\n\t\t// separated by new lines.\n\n\t\tfunction parserErrorToText( parserError ) {\n\n\t\t\tlet result = '';\n\t\t\tconst stack = [ parserError ];\n\n\t\t\twhile ( stack.length ) {\n\n\t\t\t\tconst node = stack.shift();\n\n\t\t\t\tif ( node.nodeType === Node.TEXT_NODE ) {\n\n\t\t\t\t\tresult += node.textContent;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresult += '\\n';\n\t\t\t\t\tstack.push.apply( stack, node.childNodes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result.trim();\n\n\t\t}\n\n\t\tif ( text.length === 0 ) {\n\n\t\t\treturn { scene: new Scene() };\n\n\t\t}\n\n\t\tconst xml = new DOMParser().parseFromString( text, 'application/xml' );\n\n\t\tconst collada = getElementsByTagName( xml, 'COLLADA' )[ 0 ];\n\n\t\tconst parserError = xml.getElementsByTagName( 'parsererror' )[ 0 ];\n\t\tif ( parserError !== undefined ) {\n\n\t\t\t// Chrome will return parser error with a div in it\n\n\t\t\tconst errorElement = getElementsByTagName( parserError, 'div' )[ 0 ];\n\t\t\tlet errorText;\n\n\t\t\tif ( errorElement ) {\n\n\t\t\t\terrorText = errorElement.textContent;\n\n\t\t\t} else {\n\n\t\t\t\terrorText = parserErrorToText( parserError );\n\n\t\t\t}\n\n\t\t\tconsole.error( 'THREE.ColladaLoader: Failed to parse collada file.\\n', errorText );\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// metadata\n\n\t\tconst version = collada.getAttribute( 'version' );\n\t\tconsole.log( 'THREE.ColladaLoader: File version', version );\n\n\t\tconst asset = parseAsset( getElementsByTagName( collada, 'asset' )[ 0 ] );\n\t\tconst textureLoader = new TextureLoader( this.manager );\n\t\ttextureLoader.setPath( this.resourcePath || path ).setCrossOrigin( this.crossOrigin );\n\n\t\tlet tgaLoader;\n\n\t\tif ( TGALoader ) {\n\n\t\t\ttgaLoader = new TGALoader( this.manager );\n\t\t\ttgaLoader.setPath( this.resourcePath || path );\n\n\t\t}\n\n\t\t//\n\n\t\tconst tempColor = new Color();\n\t\tconst animations = [];\n\t\tlet kinematics = {};\n\t\tlet count = 0;\n\n\t\t//\n\n\t\tconst library = {\n\t\t\tanimations: {},\n\t\t\tclips: {},\n\t\t\tcontrollers: {},\n\t\t\timages: {},\n\t\t\teffects: {},\n\t\t\tmaterials: {},\n\t\t\tcameras: {},\n\t\t\tlights: {},\n\t\t\tgeometries: {},\n\t\t\tnodes: {},\n\t\t\tvisualScenes: {},\n\t\t\tkinematicsModels: {},\n\t\t\tphysicsModels: {},\n\t\t\tkinematicsScenes: {}\n\t\t};\n\n\t\tparseLibrary( collada, 'library_animations', 'animation', parseAnimation );\n\t\tparseLibrary( collada, 'library_animation_clips', 'animation_clip', parseAnimationClip );\n\t\tparseLibrary( collada, 'library_controllers', 'controller', parseController );\n\t\tparseLibrary( collada, 'library_images', 'image', parseImage );\n\t\tparseLibrary( collada, 'library_effects', 'effect', parseEffect );\n\t\tparseLibrary( collada, 'library_materials', 'material', parseMaterial );\n\t\tparseLibrary( collada, 'library_cameras', 'camera', parseCamera );\n\t\tparseLibrary( collada, 'library_lights', 'light', parseLight );\n\t\tparseLibrary( collada, 'library_geometries', 'geometry', parseGeometry );\n\t\tparseLibrary( collada, 'library_nodes', 'node', parseNode );\n\t\tparseLibrary( collada, 'library_visual_scenes', 'visual_scene', parseVisualScene );\n\t\tparseLibrary( collada, 'library_kinematics_models', 'kinematics_model', parseKinematicsModel );\n\t\tparseLibrary( collada, 'library_physics_models', 'physics_model', parsePhysicsModel );\n\t\tparseLibrary( collada, 'scene', 'instance_kinematics_scene', parseKinematicsScene );\n\n\t\tbuildLibrary( library.animations, buildAnimation );\n\t\tbuildLibrary( library.clips, buildAnimationClip );\n\t\tbuildLibrary( library.controllers, buildController );\n\t\tbuildLibrary( library.images, buildImage );\n\t\tbuildLibrary( library.effects, buildEffect );\n\t\tbuildLibrary( library.materials, buildMaterial );\n\t\tbuildLibrary( library.cameras, buildCamera );\n\t\tbuildLibrary( library.lights, buildLight );\n\t\tbuildLibrary( library.geometries, buildGeometry );\n\t\tbuildLibrary( library.visualScenes, buildVisualScene );\n\n\t\tsetupAnimations();\n\t\tsetupKinematics();\n\n\t\tconst scene = parseScene( getElementsByTagName( collada, 'scene' )[ 0 ] );\n\t\tscene.animations = animations;\n\n\t\tif ( asset.upAxis === 'Z_UP' ) {\n\n\t\t\tconsole.warn( 'THREE.ColladaLoader: You are loading an asset with a Z-UP coordinate system. The loader just rotates the asset to transform it into Y-UP. The vertex data are not converted, see #24289.' );\n\t\t\tscene.quaternion.setFromEuler( new Euler( - Math.PI / 2, 0, 0 ) );\n\n\t\t}\n\n\t\tscene.scale.multiplyScalar( asset.unit );\n\n\t\treturn {\n\t\t\tget animations() {\n\n\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Please access animations over scene.animations now.' );\n\t\t\t\treturn animations;\n\n\t\t\t},\n\t\t\tkinematics: kinematics,\n\t\t\tlibrary: library,\n\t\t\tscene: scene\n\t\t};\n\n\t}\n\n}\n\nexport { ColladaLoader };\n","import {\n\tAmbientLight,\n\tAnimationClip,\n\tBone,\n\tBufferGeometry,\n\tClampToEdgeWrapping,\n\tColor,\n\tDirectionalLight,\n\tEquirectangularReflectionMapping,\n\tEuler,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLine,\n\tLineBasicMaterial,\n\tLoader,\n\tLoaderUtils,\n\tMathUtils,\n\tMatrix3,\n\tMatrix4,\n\tMesh,\n\tMeshLambertMaterial,\n\tMeshPhongMaterial,\n\tNumberKeyframeTrack,\n\tObject3D,\n\tOrthographicCamera,\n\tPerspectiveCamera,\n\tPointLight,\n\tPropertyBinding,\n\tQuaternion,\n\tQuaternionKeyframeTrack,\n\tRepeatWrapping,\n\tSkeleton,\n\tSkinnedMesh,\n\tSpotLight,\n\tTexture,\n\tTextureLoader,\n\tUint16BufferAttribute,\n\tVector3,\n\tVector4,\n\tVectorKeyframeTrack,\n\tsRGBEncoding\n} from 'three';\nimport * as fflate from '../libs/fflate.module.js';\nimport { NURBSCurve } from '../curves/NURBSCurve.js';\n\n/**\n * Loader loads FBX file and generates Group representing FBX scene.\n * Requires FBX file to be >= 7.0 and in ASCII or >= 6400 in Binary format\n * Versions lower than this may load but will probably have errors\n *\n * Needs Support:\n * Morph normals / blend shape normals\n *\n * FBX format references:\n * \thttps://help.autodesk.com/view/FBX/2017/ENU/?guid=__cpp_ref_index_html (C++ SDK reference)\n *\n * Binary format specification:\n *\thttps://code.blender.org/2013/08/fbx-binary-file-format-specification/\n */\n\n\nlet fbxTree;\nlet connections;\nlet sceneGraph;\n\nclass FBXLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( scope.path === '' ) ? LoaderUtils.extractUrlBase( url ) : scope.path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( buffer, path ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( FBXBuffer, path ) {\n\n\t\tif ( isFbxFormatBinary( FBXBuffer ) ) {\n\n\t\t\tfbxTree = new BinaryParser().parse( FBXBuffer );\n\n\t\t} else {\n\n\t\t\tconst FBXText = convertArrayBufferToString( FBXBuffer );\n\n\t\t\tif ( ! isFbxFormatASCII( FBXText ) ) {\n\n\t\t\t\tthrow new Error( 'THREE.FBXLoader: Unknown format.' );\n\n\t\t\t}\n\n\t\t\tif ( getFbxVersion( FBXText ) < 7000 ) {\n\n\t\t\t\tthrow new Error( 'THREE.FBXLoader: FBX version not supported, FileVersion: ' + getFbxVersion( FBXText ) );\n\n\t\t\t}\n\n\t\t\tfbxTree = new TextParser().parse( FBXText );\n\n\t\t}\n\n\t\t// console.log( fbxTree );\n\n\t\tconst textureLoader = new TextureLoader( this.manager ).setPath( this.resourcePath || path ).setCrossOrigin( this.crossOrigin );\n\n\t\treturn new FBXTreeParser( textureLoader, this.manager ).parse( fbxTree );\n\n\t}\n\n}\n\n// Parse the FBXTree object returned by the BinaryParser or TextParser and return a Group\nclass FBXTreeParser {\n\n\tconstructor( textureLoader, manager ) {\n\n\t\tthis.textureLoader = textureLoader;\n\t\tthis.manager = manager;\n\n\t}\n\n\tparse() {\n\n\t\tconnections = this.parseConnections();\n\n\t\tconst images = this.parseImages();\n\t\tconst textures = this.parseTextures( images );\n\t\tconst materials = this.parseMaterials( textures );\n\t\tconst deformers = this.parseDeformers();\n\t\tconst geometryMap = new GeometryParser().parse( deformers );\n\n\t\tthis.parseScene( deformers, geometryMap, materials );\n\n\t\treturn sceneGraph;\n\n\t}\n\n\t// Parses FBXTree.Connections which holds parent-child connections between objects (e.g. material -> texture, model->geometry )\n\t// and details the connection type\n\tparseConnections() {\n\n\t\tconst connectionMap = new Map();\n\n\t\tif ( 'Connections' in fbxTree ) {\n\n\t\t\tconst rawConnections = fbxTree.Connections.connections;\n\n\t\t\trawConnections.forEach( function ( rawConnection ) {\n\n\t\t\t\tconst fromID = rawConnection[ 0 ];\n\t\t\t\tconst toID = rawConnection[ 1 ];\n\t\t\t\tconst relationship = rawConnection[ 2 ];\n\n\t\t\t\tif ( ! connectionMap.has( fromID ) ) {\n\n\t\t\t\t\tconnectionMap.set( fromID, {\n\t\t\t\t\t\tparents: [],\n\t\t\t\t\t\tchildren: []\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\tconst parentRelationship = { ID: toID, relationship: relationship };\n\t\t\t\tconnectionMap.get( fromID ).parents.push( parentRelationship );\n\n\t\t\t\tif ( ! connectionMap.has( toID ) ) {\n\n\t\t\t\t\tconnectionMap.set( toID, {\n\t\t\t\t\t\tparents: [],\n\t\t\t\t\t\tchildren: []\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\tconst childRelationship = { ID: fromID, relationship: relationship };\n\t\t\t\tconnectionMap.get( toID ).children.push( childRelationship );\n\n\t\t\t} );\n\n\t\t}\n\n\t\treturn connectionMap;\n\n\t}\n\n\t// Parse FBXTree.Objects.Video for embedded image data\n\t// These images are connected to textures in FBXTree.Objects.Textures\n\t// via FBXTree.Connections.\n\tparseImages() {\n\n\t\tconst images = {};\n\t\tconst blobs = {};\n\n\t\tif ( 'Video' in fbxTree.Objects ) {\n\n\t\t\tconst videoNodes = fbxTree.Objects.Video;\n\n\t\t\tfor ( const nodeID in videoNodes ) {\n\n\t\t\t\tconst videoNode = videoNodes[ nodeID ];\n\n\t\t\t\tconst id = parseInt( nodeID );\n\n\t\t\t\timages[ id ] = videoNode.RelativeFilename || videoNode.Filename;\n\n\t\t\t\t// raw image data is in videoNode.Content\n\t\t\t\tif ( 'Content' in videoNode ) {\n\n\t\t\t\t\tconst arrayBufferContent = ( videoNode.Content instanceof ArrayBuffer ) && ( videoNode.Content.byteLength > 0 );\n\t\t\t\t\tconst base64Content = ( typeof videoNode.Content === 'string' ) && ( videoNode.Content !== '' );\n\n\t\t\t\t\tif ( arrayBufferContent || base64Content ) {\n\n\t\t\t\t\t\tconst image = this.parseImage( videoNodes[ nodeID ] );\n\n\t\t\t\t\t\tblobs[ videoNode.RelativeFilename || videoNode.Filename ] = image;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( const id in images ) {\n\n\t\t\tconst filename = images[ id ];\n\n\t\t\tif ( blobs[ filename ] !== undefined ) images[ id ] = blobs[ filename ];\n\t\t\telse images[ id ] = images[ id ].split( '\\\\' ).pop();\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\t// Parse embedded image data in FBXTree.Video.Content\n\tparseImage( videoNode ) {\n\n\t\tconst content = videoNode.Content;\n\t\tconst fileName = videoNode.RelativeFilename || videoNode.Filename;\n\t\tconst extension = fileName.slice( fileName.lastIndexOf( '.' ) + 1 ).toLowerCase();\n\n\t\tlet type;\n\n\t\tswitch ( extension ) {\n\n\t\t\tcase 'bmp':\n\n\t\t\t\ttype = 'image/bmp';\n\t\t\t\tbreak;\n\n\t\t\tcase 'jpg':\n\t\t\tcase 'jpeg':\n\n\t\t\t\ttype = 'image/jpeg';\n\t\t\t\tbreak;\n\n\t\t\tcase 'png':\n\n\t\t\t\ttype = 'image/png';\n\t\t\t\tbreak;\n\n\t\t\tcase 'tif':\n\n\t\t\t\ttype = 'image/tiff';\n\t\t\t\tbreak;\n\n\t\t\tcase 'tga':\n\n\t\t\t\tif ( this.manager.getHandler( '.tga' ) === null ) {\n\n\t\t\t\t\tconsole.warn( 'FBXLoader: TGA loader not found, skipping ', fileName );\n\n\t\t\t\t}\n\n\t\t\t\ttype = 'image/tga';\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'FBXLoader: Image type \"' + extension + '\" is not supported.' );\n\t\t\t\treturn;\n\n\t\t}\n\n\t\tif ( typeof content === 'string' ) { // ASCII format\n\n\t\t\treturn 'data:' + type + ';base64,' + content;\n\n\t\t} else { // Binary Format\n\n\t\t\tconst array = new Uint8Array( content );\n\t\t\treturn window.URL.createObjectURL( new Blob( [ array ], { type: type } ) );\n\n\t\t}\n\n\t}\n\n\t// Parse nodes in FBXTree.Objects.Texture\n\t// These contain details such as UV scaling, cropping, rotation etc and are connected\n\t// to images in FBXTree.Objects.Video\n\tparseTextures( images ) {\n\n\t\tconst textureMap = new Map();\n\n\t\tif ( 'Texture' in fbxTree.Objects ) {\n\n\t\t\tconst textureNodes = fbxTree.Objects.Texture;\n\t\t\tfor ( const nodeID in textureNodes ) {\n\n\t\t\t\tconst texture = this.parseTexture( textureNodes[ nodeID ], images );\n\t\t\t\ttextureMap.set( parseInt( nodeID ), texture );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textureMap;\n\n\t}\n\n\t// Parse individual node in FBXTree.Objects.Texture\n\tparseTexture( textureNode, images ) {\n\n\t\tconst texture = this.loadTexture( textureNode, images );\n\n\t\ttexture.ID = textureNode.id;\n\n\t\ttexture.name = textureNode.attrName;\n\n\t\tconst wrapModeU = textureNode.WrapModeU;\n\t\tconst wrapModeV = textureNode.WrapModeV;\n\n\t\tconst valueU = wrapModeU !== undefined ? wrapModeU.value : 0;\n\t\tconst valueV = wrapModeV !== undefined ? wrapModeV.value : 0;\n\n\t\t// http://download.autodesk.com/us/fbx/SDKdocs/FBX_SDK_Help/files/fbxsdkref/class_k_fbx_texture.html#889640e63e2e681259ea81061b85143a\n\t\t// 0: repeat(default), 1: clamp\n\n\t\ttexture.wrapS = valueU === 0 ? RepeatWrapping : ClampToEdgeWrapping;\n\t\ttexture.wrapT = valueV === 0 ? RepeatWrapping : ClampToEdgeWrapping;\n\n\t\tif ( 'Scaling' in textureNode ) {\n\n\t\t\tconst values = textureNode.Scaling.value;\n\n\t\t\ttexture.repeat.x = values[ 0 ];\n\t\t\ttexture.repeat.y = values[ 1 ];\n\n\t\t}\n\n\t\tif ( 'Translation' in textureNode ) {\n\n\t\t\tconst values = textureNode.Translation.value;\n\n\t\t\ttexture.offset.x = values[ 0 ];\n\t\t\ttexture.offset.y = values[ 1 ];\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\t// load a texture specified as a blob or data URI, or via an external URL using TextureLoader\n\tloadTexture( textureNode, images ) {\n\n\t\tlet fileName;\n\n\t\tconst currentPath = this.textureLoader.path;\n\n\t\tconst children = connections.get( textureNode.id ).children;\n\n\t\tif ( children !== undefined && children.length > 0 && images[ children[ 0 ].ID ] !== undefined ) {\n\n\t\t\tfileName = images[ children[ 0 ].ID ];\n\n\t\t\tif ( fileName.indexOf( 'blob:' ) === 0 || fileName.indexOf( 'data:' ) === 0 ) {\n\n\t\t\t\tthis.textureLoader.setPath( undefined );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet texture;\n\n\t\tconst extension = textureNode.FileName.slice( - 3 ).toLowerCase();\n\n\t\tif ( extension === 'tga' ) {\n\n\t\t\tconst loader = this.manager.getHandler( '.tga' );\n\n\t\t\tif ( loader === null ) {\n\n\t\t\t\tconsole.warn( 'FBXLoader: TGA loader not found, creating placeholder texture for', textureNode.RelativeFilename );\n\t\t\t\ttexture = new Texture();\n\n\t\t\t} else {\n\n\t\t\t\tloader.setPath( this.textureLoader.path );\n\t\t\t\ttexture = loader.load( fileName );\n\n\t\t\t}\n\n\t\t} else if ( extension === 'psd' ) {\n\n\t\t\tconsole.warn( 'FBXLoader: PSD textures are not supported, creating placeholder texture for', textureNode.RelativeFilename );\n\t\t\ttexture = new Texture();\n\n\t\t} else {\n\n\t\t\ttexture = this.textureLoader.load( fileName );\n\n\t\t}\n\n\t\tthis.textureLoader.setPath( currentPath );\n\n\t\treturn texture;\n\n\t}\n\n\t// Parse nodes in FBXTree.Objects.Material\n\tparseMaterials( textureMap ) {\n\n\t\tconst materialMap = new Map();\n\n\t\tif ( 'Material' in fbxTree.Objects ) {\n\n\t\t\tconst materialNodes = fbxTree.Objects.Material;\n\n\t\t\tfor ( const nodeID in materialNodes ) {\n\n\t\t\t\tconst material = this.parseMaterial( materialNodes[ nodeID ], textureMap );\n\n\t\t\t\tif ( material !== null ) materialMap.set( parseInt( nodeID ), material );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materialMap;\n\n\t}\n\n\t// Parse single node in FBXTree.Objects.Material\n\t// Materials are connected to texture maps in FBXTree.Objects.Textures\n\t// FBX format currently only supports Lambert and Phong shading models\n\tparseMaterial( materialNode, textureMap ) {\n\n\t\tconst ID = materialNode.id;\n\t\tconst name = materialNode.attrName;\n\t\tlet type = materialNode.ShadingModel;\n\n\t\t// Case where FBX wraps shading model in property object.\n\t\tif ( typeof type === 'object' ) {\n\n\t\t\ttype = type.value;\n\n\t\t}\n\n\t\t// Ignore unused materials which don't have any connections.\n\t\tif ( ! connections.has( ID ) ) return null;\n\n\t\tconst parameters = this.parseParameters( materialNode, textureMap, ID );\n\n\t\tlet material;\n\n\t\tswitch ( type.toLowerCase() ) {\n\n\t\t\tcase 'phong':\n\t\t\t\tmaterial = new MeshPhongMaterial();\n\t\t\t\tbreak;\n\t\t\tcase 'lambert':\n\t\t\t\tmaterial = new MeshLambertMaterial();\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.FBXLoader: unknown material type \"%s\". Defaulting to MeshPhongMaterial.', type );\n\t\t\t\tmaterial = new MeshPhongMaterial();\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tmaterial.setValues( parameters );\n\t\tmaterial.name = name;\n\n\t\treturn material;\n\n\t}\n\n\t// Parse FBX material and return parameters suitable for a three.js material\n\t// Also parse the texture map and return any textures associated with the material\n\tparseParameters( materialNode, textureMap, ID ) {\n\n\t\tconst parameters = {};\n\n\t\tif ( materialNode.BumpFactor ) {\n\n\t\t\tparameters.bumpScale = materialNode.BumpFactor.value;\n\n\t\t}\n\n\t\tif ( materialNode.Diffuse ) {\n\n\t\t\tparameters.color = new Color().fromArray( materialNode.Diffuse.value );\n\n\t\t} else if ( materialNode.DiffuseColor && ( materialNode.DiffuseColor.type === 'Color' || materialNode.DiffuseColor.type === 'ColorRGB' ) ) {\n\n\t\t\t// The blender exporter exports diffuse here instead of in materialNode.Diffuse\n\t\t\tparameters.color = new Color().fromArray( materialNode.DiffuseColor.value );\n\n\t\t}\n\n\t\tif ( materialNode.DisplacementFactor ) {\n\n\t\t\tparameters.displacementScale = materialNode.DisplacementFactor.value;\n\n\t\t}\n\n\t\tif ( materialNode.Emissive ) {\n\n\t\t\tparameters.emissive = new Color().fromArray( materialNode.Emissive.value );\n\n\t\t} else if ( materialNode.EmissiveColor && ( materialNode.EmissiveColor.type === 'Color' || materialNode.EmissiveColor.type === 'ColorRGB' ) ) {\n\n\t\t\t// The blender exporter exports emissive color here instead of in materialNode.Emissive\n\t\t\tparameters.emissive = new Color().fromArray( materialNode.EmissiveColor.value );\n\n\t\t}\n\n\t\tif ( materialNode.EmissiveFactor ) {\n\n\t\t\tparameters.emissiveIntensity = parseFloat( materialNode.EmissiveFactor.value );\n\n\t\t}\n\n\t\tif ( materialNode.Opacity ) {\n\n\t\t\tparameters.opacity = parseFloat( materialNode.Opacity.value );\n\n\t\t}\n\n\t\tif ( parameters.opacity < 1.0 ) {\n\n\t\t\tparameters.transparent = true;\n\n\t\t}\n\n\t\tif ( materialNode.ReflectionFactor ) {\n\n\t\t\tparameters.reflectivity = materialNode.ReflectionFactor.value;\n\n\t\t}\n\n\t\tif ( materialNode.Shininess ) {\n\n\t\t\tparameters.shininess = materialNode.Shininess.value;\n\n\t\t}\n\n\t\tif ( materialNode.Specular ) {\n\n\t\t\tparameters.specular = new Color().fromArray( materialNode.Specular.value );\n\n\t\t} else if ( materialNode.SpecularColor && materialNode.SpecularColor.type === 'Color' ) {\n\n\t\t\t// The blender exporter exports specular color here instead of in materialNode.Specular\n\t\t\tparameters.specular = new Color().fromArray( materialNode.SpecularColor.value );\n\n\t\t}\n\n\t\tconst scope = this;\n\t\tconnections.get( ID ).children.forEach( function ( child ) {\n\n\t\t\tconst type = child.relationship;\n\n\t\t\tswitch ( type ) {\n\n\t\t\t\tcase 'Bump':\n\t\t\t\t\tparameters.bumpMap = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'Maya|TEX_ao_map':\n\t\t\t\t\tparameters.aoMap = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'DiffuseColor':\n\t\t\t\tcase 'Maya|TEX_color_map':\n\t\t\t\t\tparameters.map = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tif ( parameters.map !== undefined ) {\n\n\t\t\t\t\t\tparameters.map.encoding = sRGBEncoding;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'DisplacementColor':\n\t\t\t\t\tparameters.displacementMap = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'EmissiveColor':\n\t\t\t\t\tparameters.emissiveMap = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tif ( parameters.emissiveMap !== undefined ) {\n\n\t\t\t\t\t\tparameters.emissiveMap.encoding = sRGBEncoding;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'NormalMap':\n\t\t\t\tcase 'Maya|TEX_normal_map':\n\t\t\t\t\tparameters.normalMap = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'ReflectionColor':\n\t\t\t\t\tparameters.envMap = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tif ( parameters.envMap !== undefined ) {\n\n\t\t\t\t\t\tparameters.envMap.mapping = EquirectangularReflectionMapping;\n\t\t\t\t\t\tparameters.envMap.encoding = sRGBEncoding;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpecularColor':\n\t\t\t\t\tparameters.specularMap = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tif ( parameters.specularMap !== undefined ) {\n\n\t\t\t\t\t\tparameters.specularMap.encoding = sRGBEncoding;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'TransparentColor':\n\t\t\t\tcase 'TransparencyFactor':\n\t\t\t\t\tparameters.alphaMap = scope.getTexture( textureMap, child.ID );\n\t\t\t\t\tparameters.transparent = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'AmbientColor':\n\t\t\t\tcase 'ShininessExponent': // AKA glossiness map\n\t\t\t\tcase 'SpecularFactor': // AKA specularLevel\n\t\t\t\tcase 'VectorDisplacementColor': // NOTE: Seems to be a copy of DisplacementColor\n\t\t\t\tdefault:\n\t\t\t\t\tconsole.warn( 'THREE.FBXLoader: %s map is not supported in three.js, skipping texture.', type );\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t} );\n\n\t\treturn parameters;\n\n\t}\n\n\t// get a texture from the textureMap for use by a material.\n\tgetTexture( textureMap, id ) {\n\n\t\t// if the texture is a layered texture, just use the first layer and issue a warning\n\t\tif ( 'LayeredTexture' in fbxTree.Objects && id in fbxTree.Objects.LayeredTexture ) {\n\n\t\t\tconsole.warn( 'THREE.FBXLoader: layered textures are not supported in three.js. Discarding all but first layer.' );\n\t\t\tid = connections.get( id ).children[ 0 ].ID;\n\n\t\t}\n\n\t\treturn textureMap.get( id );\n\n\t}\n\n\t// Parse nodes in FBXTree.Objects.Deformer\n\t// Deformer node can contain skinning or Vertex Cache animation data, however only skinning is supported here\n\t// Generates map of Skeleton-like objects for use later when generating and binding skeletons.\n\tparseDeformers() {\n\n\t\tconst skeletons = {};\n\t\tconst morphTargets = {};\n\n\t\tif ( 'Deformer' in fbxTree.Objects ) {\n\n\t\t\tconst DeformerNodes = fbxTree.Objects.Deformer;\n\n\t\t\tfor ( const nodeID in DeformerNodes ) {\n\n\t\t\t\tconst deformerNode = DeformerNodes[ nodeID ];\n\n\t\t\t\tconst relationships = connections.get( parseInt( nodeID ) );\n\n\t\t\t\tif ( deformerNode.attrType === 'Skin' ) {\n\n\t\t\t\t\tconst skeleton = this.parseSkeleton( relationships, DeformerNodes );\n\t\t\t\t\tskeleton.ID = nodeID;\n\n\t\t\t\t\tif ( relationships.parents.length > 1 ) console.warn( 'THREE.FBXLoader: skeleton attached to more than one geometry is not supported.' );\n\t\t\t\t\tskeleton.geometryID = relationships.parents[ 0 ].ID;\n\n\t\t\t\t\tskeletons[ nodeID ] = skeleton;\n\n\t\t\t\t} else if ( deformerNode.attrType === 'BlendShape' ) {\n\n\t\t\t\t\tconst morphTarget = {\n\t\t\t\t\t\tid: nodeID,\n\t\t\t\t\t};\n\n\t\t\t\t\tmorphTarget.rawTargets = this.parseMorphTargets( relationships, DeformerNodes );\n\t\t\t\t\tmorphTarget.id = nodeID;\n\n\t\t\t\t\tif ( relationships.parents.length > 1 ) console.warn( 'THREE.FBXLoader: morph target attached to more than one geometry is not supported.' );\n\n\t\t\t\t\tmorphTargets[ nodeID ] = morphTarget;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\n\t\t\tskeletons: skeletons,\n\t\t\tmorphTargets: morphTargets,\n\n\t\t};\n\n\t}\n\n\t// Parse single nodes in FBXTree.Objects.Deformer\n\t// The top level skeleton node has type 'Skin' and sub nodes have type 'Cluster'\n\t// Each skin node represents a skeleton and each cluster node represents a bone\n\tparseSkeleton( relationships, deformerNodes ) {\n\n\t\tconst rawBones = [];\n\n\t\trelationships.children.forEach( function ( child ) {\n\n\t\t\tconst boneNode = deformerNodes[ child.ID ];\n\n\t\t\tif ( boneNode.attrType !== 'Cluster' ) return;\n\n\t\t\tconst rawBone = {\n\n\t\t\t\tID: child.ID,\n\t\t\t\tindices: [],\n\t\t\t\tweights: [],\n\t\t\t\ttransformLink: new Matrix4().fromArray( boneNode.TransformLink.a ),\n\t\t\t\t// transform: new Matrix4().fromArray( boneNode.Transform.a ),\n\t\t\t\t// linkMode: boneNode.Mode,\n\n\t\t\t};\n\n\t\t\tif ( 'Indexes' in boneNode ) {\n\n\t\t\t\trawBone.indices = boneNode.Indexes.a;\n\t\t\t\trawBone.weights = boneNode.Weights.a;\n\n\t\t\t}\n\n\t\t\trawBones.push( rawBone );\n\n\t\t} );\n\n\t\treturn {\n\n\t\t\trawBones: rawBones,\n\t\t\tbones: []\n\n\t\t};\n\n\t}\n\n\t// The top level morph deformer node has type \"BlendShape\" and sub nodes have type \"BlendShapeChannel\"\n\tparseMorphTargets( relationships, deformerNodes ) {\n\n\t\tconst rawMorphTargets = [];\n\n\t\tfor ( let i = 0; i < relationships.children.length; i ++ ) {\n\n\t\t\tconst child = relationships.children[ i ];\n\n\t\t\tconst morphTargetNode = deformerNodes[ child.ID ];\n\n\t\t\tconst rawMorphTarget = {\n\n\t\t\t\tname: morphTargetNode.attrName,\n\t\t\t\tinitialWeight: morphTargetNode.DeformPercent,\n\t\t\t\tid: morphTargetNode.id,\n\t\t\t\tfullWeights: morphTargetNode.FullWeights.a\n\n\t\t\t};\n\n\t\t\tif ( morphTargetNode.attrType !== 'BlendShapeChannel' ) return;\n\n\t\t\trawMorphTarget.geoID = connections.get( parseInt( child.ID ) ).children.filter( function ( child ) {\n\n\t\t\t\treturn child.relationship === undefined;\n\n\t\t\t} )[ 0 ].ID;\n\n\t\t\trawMorphTargets.push( rawMorphTarget );\n\n\t\t}\n\n\t\treturn rawMorphTargets;\n\n\t}\n\n\t// create the main Group() to be returned by the loader\n\tparseScene( deformers, geometryMap, materialMap ) {\n\n\t\tsceneGraph = new Group();\n\n\t\tconst modelMap = this.parseModels( deformers.skeletons, geometryMap, materialMap );\n\n\t\tconst modelNodes = fbxTree.Objects.Model;\n\n\t\tconst scope = this;\n\t\tmodelMap.forEach( function ( model ) {\n\n\t\t\tconst modelNode = modelNodes[ model.ID ];\n\t\t\tscope.setLookAtProperties( model, modelNode );\n\n\t\t\tconst parentConnections = connections.get( model.ID ).parents;\n\n\t\t\tparentConnections.forEach( function ( connection ) {\n\n\t\t\t\tconst parent = modelMap.get( connection.ID );\n\t\t\t\tif ( parent !== undefined ) parent.add( model );\n\n\t\t\t} );\n\n\t\t\tif ( model.parent === null ) {\n\n\t\t\t\tsceneGraph.add( model );\n\n\t\t\t}\n\n\n\t\t} );\n\n\t\tthis.bindSkeleton( deformers.skeletons, geometryMap, modelMap );\n\n\t\tthis.createAmbientLight();\n\n\t\tsceneGraph.traverse( function ( node ) {\n\n\t\t\tif ( node.userData.transformData ) {\n\n\t\t\t\tif ( node.parent ) {\n\n\t\t\t\t\tnode.userData.transformData.parentMatrix = node.parent.matrix;\n\t\t\t\t\tnode.userData.transformData.parentMatrixWorld = node.parent.matrixWorld;\n\n\t\t\t\t}\n\n\t\t\t\tconst transform = generateTransform( node.userData.transformData );\n\n\t\t\t\tnode.applyMatrix4( transform );\n\t\t\t\tnode.updateWorldMatrix();\n\n\t\t\t}\n\n\t\t} );\n\n\t\tconst animations = new AnimationParser().parse();\n\n\t\t// if all the models where already combined in a single group, just return that\n\t\tif ( sceneGraph.children.length === 1 && sceneGraph.children[ 0 ].isGroup ) {\n\n\t\t\tsceneGraph.children[ 0 ].animations = animations;\n\t\t\tsceneGraph = sceneGraph.children[ 0 ];\n\n\t\t}\n\n\t\tsceneGraph.animations = animations;\n\n\t}\n\n\t// parse nodes in FBXTree.Objects.Model\n\tparseModels( skeletons, geometryMap, materialMap ) {\n\n\t\tconst modelMap = new Map();\n\t\tconst modelNodes = fbxTree.Objects.Model;\n\n\t\tfor ( const nodeID in modelNodes ) {\n\n\t\t\tconst id = parseInt( nodeID );\n\t\t\tconst node = modelNodes[ nodeID ];\n\t\t\tconst relationships = connections.get( id );\n\n\t\t\tlet model = this.buildSkeleton( relationships, skeletons, id, node.attrName );\n\n\t\t\tif ( ! model ) {\n\n\t\t\t\tswitch ( node.attrType ) {\n\n\t\t\t\t\tcase 'Camera':\n\t\t\t\t\t\tmodel = this.createCamera( relationships );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'Light':\n\t\t\t\t\t\tmodel = this.createLight( relationships );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'Mesh':\n\t\t\t\t\t\tmodel = this.createMesh( relationships, geometryMap, materialMap );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'NurbsCurve':\n\t\t\t\t\t\tmodel = this.createCurve( relationships, geometryMap );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'LimbNode':\n\t\t\t\t\tcase 'Root':\n\t\t\t\t\t\tmodel = new Bone();\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'Null':\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmodel = new Group();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tmodel.name = node.attrName ? PropertyBinding.sanitizeNodeName( node.attrName ) : '';\n\n\t\t\t\tmodel.ID = id;\n\n\t\t\t}\n\n\t\t\tthis.getTransformData( model, node );\n\t\t\tmodelMap.set( id, model );\n\n\t\t}\n\n\t\treturn modelMap;\n\n\t}\n\n\tbuildSkeleton( relationships, skeletons, id, name ) {\n\n\t\tlet bone = null;\n\n\t\trelationships.parents.forEach( function ( parent ) {\n\n\t\t\tfor ( const ID in skeletons ) {\n\n\t\t\t\tconst skeleton = skeletons[ ID ];\n\n\t\t\t\tskeleton.rawBones.forEach( function ( rawBone, i ) {\n\n\t\t\t\t\tif ( rawBone.ID === parent.ID ) {\n\n\t\t\t\t\t\tconst subBone = bone;\n\t\t\t\t\t\tbone = new Bone();\n\n\t\t\t\t\t\tbone.matrixWorld.copy( rawBone.transformLink );\n\n\t\t\t\t\t\t// set name and id here - otherwise in cases where \"subBone\" is created it will not have a name / id\n\n\t\t\t\t\t\tbone.name = name ? PropertyBinding.sanitizeNodeName( name ) : '';\n\t\t\t\t\t\tbone.ID = id;\n\n\t\t\t\t\t\tskeleton.bones[ i ] = bone;\n\n\t\t\t\t\t\t// In cases where a bone is shared between multiple meshes\n\t\t\t\t\t\t// duplicate the bone here and and it as a child of the first bone\n\t\t\t\t\t\tif ( subBone !== null ) {\n\n\t\t\t\t\t\t\tbone.add( subBone );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} );\n\n\t\treturn bone;\n\n\t}\n\n\t// create a PerspectiveCamera or OrthographicCamera\n\tcreateCamera( relationships ) {\n\n\t\tlet model;\n\t\tlet cameraAttribute;\n\n\t\trelationships.children.forEach( function ( child ) {\n\n\t\t\tconst attr = fbxTree.Objects.NodeAttribute[ child.ID ];\n\n\t\t\tif ( attr !== undefined ) {\n\n\t\t\t\tcameraAttribute = attr;\n\n\t\t\t}\n\n\t\t} );\n\n\t\tif ( cameraAttribute === undefined ) {\n\n\t\t\tmodel = new Object3D();\n\n\t\t} else {\n\n\t\t\tlet type = 0;\n\t\t\tif ( cameraAttribute.CameraProjectionType !== undefined && cameraAttribute.CameraProjectionType.value === 1 ) {\n\n\t\t\t\ttype = 1;\n\n\t\t\t}\n\n\t\t\tlet nearClippingPlane = 1;\n\t\t\tif ( cameraAttribute.NearPlane !== undefined ) {\n\n\t\t\t\tnearClippingPlane = cameraAttribute.NearPlane.value / 1000;\n\n\t\t\t}\n\n\t\t\tlet farClippingPlane = 1000;\n\t\t\tif ( cameraAttribute.FarPlane !== undefined ) {\n\n\t\t\t\tfarClippingPlane = cameraAttribute.FarPlane.value / 1000;\n\n\t\t\t}\n\n\n\t\t\tlet width = window.innerWidth;\n\t\t\tlet height = window.innerHeight;\n\n\t\t\tif ( cameraAttribute.AspectWidth !== undefined && cameraAttribute.AspectHeight !== undefined ) {\n\n\t\t\t\twidth = cameraAttribute.AspectWidth.value;\n\t\t\t\theight = cameraAttribute.AspectHeight.value;\n\n\t\t\t}\n\n\t\t\tconst aspect = width / height;\n\n\t\t\tlet fov = 45;\n\t\t\tif ( cameraAttribute.FieldOfView !== undefined ) {\n\n\t\t\t\tfov = cameraAttribute.FieldOfView.value;\n\n\t\t\t}\n\n\t\t\tconst focalLength = cameraAttribute.FocalLength ? cameraAttribute.FocalLength.value : null;\n\n\t\t\tswitch ( type ) {\n\n\t\t\t\tcase 0: // Perspective\n\t\t\t\t\tmodel = new PerspectiveCamera( fov, aspect, nearClippingPlane, farClippingPlane );\n\t\t\t\t\tif ( focalLength !== null ) model.setFocalLength( focalLength );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 1: // Orthographic\n\t\t\t\t\tmodel = new OrthographicCamera( - width / 2, width / 2, height / 2, - height / 2, nearClippingPlane, farClippingPlane );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tconsole.warn( 'THREE.FBXLoader: Unknown camera type ' + type + '.' );\n\t\t\t\t\tmodel = new Object3D();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn model;\n\n\t}\n\n\t// Create a DirectionalLight, PointLight or SpotLight\n\tcreateLight( relationships ) {\n\n\t\tlet model;\n\t\tlet lightAttribute;\n\n\t\trelationships.children.forEach( function ( child ) {\n\n\t\t\tconst attr = fbxTree.Objects.NodeAttribute[ child.ID ];\n\n\t\t\tif ( attr !== undefined ) {\n\n\t\t\t\tlightAttribute = attr;\n\n\t\t\t}\n\n\t\t} );\n\n\t\tif ( lightAttribute === undefined ) {\n\n\t\t\tmodel = new Object3D();\n\n\t\t} else {\n\n\t\t\tlet type;\n\n\t\t\t// LightType can be undefined for Point lights\n\t\t\tif ( lightAttribute.LightType === undefined ) {\n\n\t\t\t\ttype = 0;\n\n\t\t\t} else {\n\n\t\t\t\ttype = lightAttribute.LightType.value;\n\n\t\t\t}\n\n\t\t\tlet color = 0xffffff;\n\n\t\t\tif ( lightAttribute.Color !== undefined ) {\n\n\t\t\t\tcolor = new Color().fromArray( lightAttribute.Color.value );\n\n\t\t\t}\n\n\t\t\tlet intensity = ( lightAttribute.Intensity === undefined ) ? 1 : lightAttribute.Intensity.value / 100;\n\n\t\t\t// light disabled\n\t\t\tif ( lightAttribute.CastLightOnObject !== undefined && lightAttribute.CastLightOnObject.value === 0 ) {\n\n\t\t\t\tintensity = 0;\n\n\t\t\t}\n\n\t\t\tlet distance = 0;\n\t\t\tif ( lightAttribute.FarAttenuationEnd !== undefined ) {\n\n\t\t\t\tif ( lightAttribute.EnableFarAttenuation !== undefined && lightAttribute.EnableFarAttenuation.value === 0 ) {\n\n\t\t\t\t\tdistance = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdistance = lightAttribute.FarAttenuationEnd.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// TODO: could this be calculated linearly from FarAttenuationStart to FarAttenuationEnd?\n\t\t\tconst decay = 1;\n\n\t\t\tswitch ( type ) {\n\n\t\t\t\tcase 0: // Point\n\t\t\t\t\tmodel = new PointLight( color, intensity, distance, decay );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 1: // Directional\n\t\t\t\t\tmodel = new DirectionalLight( color, intensity );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2: // Spot\n\t\t\t\t\tlet angle = Math.PI / 3;\n\n\t\t\t\t\tif ( lightAttribute.InnerAngle !== undefined ) {\n\n\t\t\t\t\t\tangle = MathUtils.degToRad( lightAttribute.InnerAngle.value );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlet penumbra = 0;\n\t\t\t\t\tif ( lightAttribute.OuterAngle !== undefined ) {\n\n\t\t\t\t\t\t// TODO: this is not correct - FBX calculates outer and inner angle in degrees\n\t\t\t\t\t\t// with OuterAngle > InnerAngle && OuterAngle <= Math.PI\n\t\t\t\t\t\t// while three.js uses a penumbra between (0, 1) to attenuate the inner angle\n\t\t\t\t\t\tpenumbra = MathUtils.degToRad( lightAttribute.OuterAngle.value );\n\t\t\t\t\t\tpenumbra = Math.max( penumbra, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmodel = new SpotLight( color, intensity, distance, angle, penumbra, decay );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tconsole.warn( 'THREE.FBXLoader: Unknown light type ' + lightAttribute.LightType.value + ', defaulting to a PointLight.' );\n\t\t\t\t\tmodel = new PointLight( color, intensity );\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( lightAttribute.CastShadows !== undefined && lightAttribute.CastShadows.value === 1 ) {\n\n\t\t\t\tmodel.castShadow = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn model;\n\n\t}\n\n\tcreateMesh( relationships, geometryMap, materialMap ) {\n\n\t\tlet model;\n\t\tlet geometry = null;\n\t\tlet material = null;\n\t\tconst materials = [];\n\n\t\t// get geometry and materials(s) from connections\n\t\trelationships.children.forEach( function ( child ) {\n\n\t\t\tif ( geometryMap.has( child.ID ) ) {\n\n\t\t\t\tgeometry = geometryMap.get( child.ID );\n\n\t\t\t}\n\n\t\t\tif ( materialMap.has( child.ID ) ) {\n\n\t\t\t\tmaterials.push( materialMap.get( child.ID ) );\n\n\t\t\t}\n\n\t\t} );\n\n\t\tif ( materials.length > 1 ) {\n\n\t\t\tmaterial = materials;\n\n\t\t} else if ( materials.length > 0 ) {\n\n\t\t\tmaterial = materials[ 0 ];\n\n\t\t} else {\n\n\t\t\tmaterial = new MeshPhongMaterial( { color: 0xcccccc } );\n\t\t\tmaterials.push( material );\n\n\t\t}\n\n\t\tif ( 'color' in geometry.attributes ) {\n\n\t\t\tmaterials.forEach( function ( material ) {\n\n\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t} );\n\n\t\t}\n\n\t\tif ( geometry.FBX_Deformer ) {\n\n\t\t\tmodel = new SkinnedMesh( geometry, material );\n\t\t\tmodel.normalizeSkinWeights();\n\n\t\t} else {\n\n\t\t\tmodel = new Mesh( geometry, material );\n\n\t\t}\n\n\t\treturn model;\n\n\t}\n\n\tcreateCurve( relationships, geometryMap ) {\n\n\t\tconst geometry = relationships.children.reduce( function ( geo, child ) {\n\n\t\t\tif ( geometryMap.has( child.ID ) ) geo = geometryMap.get( child.ID );\n\n\t\t\treturn geo;\n\n\t\t}, null );\n\n\t\t// FBX does not list materials for Nurbs lines, so we'll just put our own in here.\n\t\tconst material = new LineBasicMaterial( { color: 0x3300ff, linewidth: 1 } );\n\t\treturn new Line( geometry, material );\n\n\t}\n\n\t// parse the model node for transform data\n\tgetTransformData( model, modelNode ) {\n\n\t\tconst transformData = {};\n\n\t\tif ( 'InheritType' in modelNode ) transformData.inheritType = parseInt( modelNode.InheritType.value );\n\n\t\tif ( 'RotationOrder' in modelNode ) transformData.eulerOrder = getEulerOrder( modelNode.RotationOrder.value );\n\t\telse transformData.eulerOrder = 'ZYX';\n\n\t\tif ( 'Lcl_Translation' in modelNode ) transformData.translation = modelNode.Lcl_Translation.value;\n\n\t\tif ( 'PreRotation' in modelNode ) transformData.preRotation = modelNode.PreRotation.value;\n\t\tif ( 'Lcl_Rotation' in modelNode ) transformData.rotation = modelNode.Lcl_Rotation.value;\n\t\tif ( 'PostRotation' in modelNode ) transformData.postRotation = modelNode.PostRotation.value;\n\n\t\tif ( 'Lcl_Scaling' in modelNode ) transformData.scale = modelNode.Lcl_Scaling.value;\n\n\t\tif ( 'ScalingOffset' in modelNode ) transformData.scalingOffset = modelNode.ScalingOffset.value;\n\t\tif ( 'ScalingPivot' in modelNode ) transformData.scalingPivot = modelNode.ScalingPivot.value;\n\n\t\tif ( 'RotationOffset' in modelNode ) transformData.rotationOffset = modelNode.RotationOffset.value;\n\t\tif ( 'RotationPivot' in modelNode ) transformData.rotationPivot = modelNode.RotationPivot.value;\n\n\t\tmodel.userData.transformData = transformData;\n\n\t}\n\n\tsetLookAtProperties( model, modelNode ) {\n\n\t\tif ( 'LookAtProperty' in modelNode ) {\n\n\t\t\tconst children = connections.get( model.ID ).children;\n\n\t\t\tchildren.forEach( function ( child ) {\n\n\t\t\t\tif ( child.relationship === 'LookAtProperty' ) {\n\n\t\t\t\t\tconst lookAtTarget = fbxTree.Objects.Model[ child.ID ];\n\n\t\t\t\t\tif ( 'Lcl_Translation' in lookAtTarget ) {\n\n\t\t\t\t\t\tconst pos = lookAtTarget.Lcl_Translation.value;\n\n\t\t\t\t\t\t// DirectionalLight, SpotLight\n\t\t\t\t\t\tif ( model.target !== undefined ) {\n\n\t\t\t\t\t\t\tmodel.target.position.fromArray( pos );\n\t\t\t\t\t\t\tsceneGraph.add( model.target );\n\n\t\t\t\t\t\t} else { // Cameras and other Object3Ds\n\n\t\t\t\t\t\t\tmodel.lookAt( new Vector3().fromArray( pos ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\tbindSkeleton( skeletons, geometryMap, modelMap ) {\n\n\t\tconst bindMatrices = this.parsePoseNodes();\n\n\t\tfor ( const ID in skeletons ) {\n\n\t\t\tconst skeleton = skeletons[ ID ];\n\n\t\t\tconst parents = connections.get( parseInt( skeleton.ID ) ).parents;\n\n\t\t\tparents.forEach( function ( parent ) {\n\n\t\t\t\tif ( geometryMap.has( parent.ID ) ) {\n\n\t\t\t\t\tconst geoID = parent.ID;\n\t\t\t\t\tconst geoRelationships = connections.get( geoID );\n\n\t\t\t\t\tgeoRelationships.parents.forEach( function ( geoConnParent ) {\n\n\t\t\t\t\t\tif ( modelMap.has( geoConnParent.ID ) ) {\n\n\t\t\t\t\t\t\tconst model = modelMap.get( geoConnParent.ID );\n\n\t\t\t\t\t\t\tmodel.bind( new Skeleton( skeleton.bones ), bindMatrices[ geoConnParent.ID ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\tparsePoseNodes() {\n\n\t\tconst bindMatrices = {};\n\n\t\tif ( 'Pose' in fbxTree.Objects ) {\n\n\t\t\tconst BindPoseNode = fbxTree.Objects.Pose;\n\n\t\t\tfor ( const nodeID in BindPoseNode ) {\n\n\t\t\t\tif ( BindPoseNode[ nodeID ].attrType === 'BindPose' && BindPoseNode[ nodeID ].NbPoseNodes > 0 ) {\n\n\t\t\t\t\tconst poseNodes = BindPoseNode[ nodeID ].PoseNode;\n\n\t\t\t\t\tif ( Array.isArray( poseNodes ) ) {\n\n\t\t\t\t\t\tposeNodes.forEach( function ( poseNode ) {\n\n\t\t\t\t\t\t\tbindMatrices[ poseNode.Node ] = new Matrix4().fromArray( poseNode.Matrix.a );\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbindMatrices[ poseNodes.Node ] = new Matrix4().fromArray( poseNodes.Matrix.a );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn bindMatrices;\n\n\t}\n\n\t// Parse ambient color in FBXTree.GlobalSettings - if it's not set to black (default), create an ambient light\n\tcreateAmbientLight() {\n\n\t\tif ( 'GlobalSettings' in fbxTree && 'AmbientColor' in fbxTree.GlobalSettings ) {\n\n\t\t\tconst ambientColor = fbxTree.GlobalSettings.AmbientColor.value;\n\t\t\tconst r = ambientColor[ 0 ];\n\t\t\tconst g = ambientColor[ 1 ];\n\t\t\tconst b = ambientColor[ 2 ];\n\n\t\t\tif ( r !== 0 || g !== 0 || b !== 0 ) {\n\n\t\t\t\tconst color = new Color( r, g, b );\n\t\t\t\tsceneGraph.add( new AmbientLight( color, 1 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\n// parse Geometry data from FBXTree and return map of BufferGeometries\nclass GeometryParser {\n\n\t// Parse nodes in FBXTree.Objects.Geometry\n\tparse( deformers ) {\n\n\t\tconst geometryMap = new Map();\n\n\t\tif ( 'Geometry' in fbxTree.Objects ) {\n\n\t\t\tconst geoNodes = fbxTree.Objects.Geometry;\n\n\t\t\tfor ( const nodeID in geoNodes ) {\n\n\t\t\t\tconst relationships = connections.get( parseInt( nodeID ) );\n\t\t\t\tconst geo = this.parseGeometry( relationships, geoNodes[ nodeID ], deformers );\n\n\t\t\t\tgeometryMap.set( parseInt( nodeID ), geo );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometryMap;\n\n\t}\n\n\t// Parse single node in FBXTree.Objects.Geometry\n\tparseGeometry( relationships, geoNode, deformers ) {\n\n\t\tswitch ( geoNode.attrType ) {\n\n\t\t\tcase 'Mesh':\n\t\t\t\treturn this.parseMeshGeometry( relationships, geoNode, deformers );\n\t\t\t\tbreak;\n\n\t\t\tcase 'NurbsCurve':\n\t\t\t\treturn this.parseNurbsGeometry( geoNode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\t// Parse single node mesh geometry in FBXTree.Objects.Geometry\n\tparseMeshGeometry( relationships, geoNode, deformers ) {\n\n\t\tconst skeletons = deformers.skeletons;\n\t\tconst morphTargets = [];\n\n\t\tconst modelNodes = relationships.parents.map( function ( parent ) {\n\n\t\t\treturn fbxTree.Objects.Model[ parent.ID ];\n\n\t\t} );\n\n\t\t// don't create geometry if it is not associated with any models\n\t\tif ( modelNodes.length === 0 ) return;\n\n\t\tconst skeleton = relationships.children.reduce( function ( skeleton, child ) {\n\n\t\t\tif ( skeletons[ child.ID ] !== undefined ) skeleton = skeletons[ child.ID ];\n\n\t\t\treturn skeleton;\n\n\t\t}, null );\n\n\t\trelationships.children.forEach( function ( child ) {\n\n\t\t\tif ( deformers.morphTargets[ child.ID ] !== undefined ) {\n\n\t\t\t\tmorphTargets.push( deformers.morphTargets[ child.ID ] );\n\n\t\t\t}\n\n\t\t} );\n\n\t\t// Assume one model and get the preRotation from that\n\t\t// if there is more than one model associated with the geometry this may cause problems\n\t\tconst modelNode = modelNodes[ 0 ];\n\n\t\tconst transformData = {};\n\n\t\tif ( 'RotationOrder' in modelNode ) transformData.eulerOrder = getEulerOrder( modelNode.RotationOrder.value );\n\t\tif ( 'InheritType' in modelNode ) transformData.inheritType = parseInt( modelNode.InheritType.value );\n\n\t\tif ( 'GeometricTranslation' in modelNode ) transformData.translation = modelNode.GeometricTranslation.value;\n\t\tif ( 'GeometricRotation' in modelNode ) transformData.rotation = modelNode.GeometricRotation.value;\n\t\tif ( 'GeometricScaling' in modelNode ) transformData.scale = modelNode.GeometricScaling.value;\n\n\t\tconst transform = generateTransform( transformData );\n\n\t\treturn this.genGeometry( geoNode, skeleton, morphTargets, transform );\n\n\t}\n\n\t// Generate a BufferGeometry from a node in FBXTree.Objects.Geometry\n\tgenGeometry( geoNode, skeleton, morphTargets, preTransform ) {\n\n\t\tconst geo = new BufferGeometry();\n\t\tif ( geoNode.attrName ) geo.name = geoNode.attrName;\n\n\t\tconst geoInfo = this.parseGeoNode( geoNode, skeleton );\n\t\tconst buffers = this.genBuffers( geoInfo );\n\n\t\tconst positionAttribute = new Float32BufferAttribute( buffers.vertex, 3 );\n\n\t\tpositionAttribute.applyMatrix4( preTransform );\n\n\t\tgeo.setAttribute( 'position', positionAttribute );\n\n\t\tif ( buffers.colors.length > 0 ) {\n\n\t\t\tgeo.setAttribute( 'color', new Float32BufferAttribute( buffers.colors, 3 ) );\n\n\t\t}\n\n\t\tif ( skeleton ) {\n\n\t\t\tgeo.setAttribute( 'skinIndex', new Uint16BufferAttribute( buffers.weightsIndices, 4 ) );\n\n\t\t\tgeo.setAttribute( 'skinWeight', new Float32BufferAttribute( buffers.vertexWeights, 4 ) );\n\n\t\t\t// used later to bind the skeleton to the model\n\t\t\tgeo.FBX_Deformer = skeleton;\n\n\t\t}\n\n\t\tif ( buffers.normal.length > 0 ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( preTransform );\n\n\t\t\tconst normalAttribute = new Float32BufferAttribute( buffers.normal, 3 );\n\t\t\tnormalAttribute.applyNormalMatrix( normalMatrix );\n\n\t\t\tgeo.setAttribute( 'normal', normalAttribute );\n\n\t\t}\n\n\t\tbuffers.uvs.forEach( function ( uvBuffer, i ) {\n\n\t\t\t// subsequent uv buffers are called 'uv1', 'uv2', ...\n\t\t\tlet name = 'uv' + ( i + 1 ).toString();\n\n\t\t\t// the first uv buffer is just called 'uv'\n\t\t\tif ( i === 0 ) {\n\n\t\t\t\tname = 'uv';\n\n\t\t\t}\n\n\t\t\tgeo.setAttribute( name, new Float32BufferAttribute( buffers.uvs[ i ], 2 ) );\n\n\t\t} );\n\n\t\tif ( geoInfo.material && geoInfo.material.mappingType !== 'AllSame' ) {\n\n\t\t\t// Convert the material indices of each vertex into rendering groups on the geometry.\n\t\t\tlet prevMaterialIndex = buffers.materialIndex[ 0 ];\n\t\t\tlet startIndex = 0;\n\n\t\t\tbuffers.materialIndex.forEach( function ( currentIndex, i ) {\n\n\t\t\t\tif ( currentIndex !== prevMaterialIndex ) {\n\n\t\t\t\t\tgeo.addGroup( startIndex, i - startIndex, prevMaterialIndex );\n\n\t\t\t\t\tprevMaterialIndex = currentIndex;\n\t\t\t\t\tstartIndex = i;\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\t// the loop above doesn't add the last group, do that here.\n\t\t\tif ( geo.groups.length > 0 ) {\n\n\t\t\t\tconst lastGroup = geo.groups[ geo.groups.length - 1 ];\n\t\t\t\tconst lastIndex = lastGroup.start + lastGroup.count;\n\n\t\t\t\tif ( lastIndex !== buffers.materialIndex.length ) {\n\n\t\t\t\t\tgeo.addGroup( lastIndex, buffers.materialIndex.length - lastIndex, prevMaterialIndex );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// case where there are multiple materials but the whole geometry is only\n\t\t\t// using one of them\n\t\t\tif ( geo.groups.length === 0 ) {\n\n\t\t\t\tgeo.addGroup( 0, buffers.materialIndex.length, buffers.materialIndex[ 0 ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.addMorphTargets( geo, geoNode, morphTargets, preTransform );\n\n\t\treturn geo;\n\n\t}\n\n\tparseGeoNode( geoNode, skeleton ) {\n\n\t\tconst geoInfo = {};\n\n\t\tgeoInfo.vertexPositions = ( geoNode.Vertices !== undefined ) ? geoNode.Vertices.a : [];\n\t\tgeoInfo.vertexIndices = ( geoNode.PolygonVertexIndex !== undefined ) ? geoNode.PolygonVertexIndex.a : [];\n\n\t\tif ( geoNode.LayerElementColor ) {\n\n\t\t\tgeoInfo.color = this.parseVertexColors( geoNode.LayerElementColor[ 0 ] );\n\n\t\t}\n\n\t\tif ( geoNode.LayerElementMaterial ) {\n\n\t\t\tgeoInfo.material = this.parseMaterialIndices( geoNode.LayerElementMaterial[ 0 ] );\n\n\t\t}\n\n\t\tif ( geoNode.LayerElementNormal ) {\n\n\t\t\tgeoInfo.normal = this.parseNormals( geoNode.LayerElementNormal[ 0 ] );\n\n\t\t}\n\n\t\tif ( geoNode.LayerElementUV ) {\n\n\t\t\tgeoInfo.uv = [];\n\n\t\t\tlet i = 0;\n\t\t\twhile ( geoNode.LayerElementUV[ i ] ) {\n\n\t\t\t\tif ( geoNode.LayerElementUV[ i ].UV ) {\n\n\t\t\t\t\tgeoInfo.uv.push( this.parseUVs( geoNode.LayerElementUV[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeoInfo.weightTable = {};\n\n\t\tif ( skeleton !== null ) {\n\n\t\t\tgeoInfo.skeleton = skeleton;\n\n\t\t\tskeleton.rawBones.forEach( function ( rawBone, i ) {\n\n\t\t\t\t// loop over the bone's vertex indices and weights\n\t\t\t\trawBone.indices.forEach( function ( index, j ) {\n\n\t\t\t\t\tif ( geoInfo.weightTable[ index ] === undefined ) geoInfo.weightTable[ index ] = [];\n\n\t\t\t\t\tgeoInfo.weightTable[ index ].push( {\n\n\t\t\t\t\t\tid: i,\n\t\t\t\t\t\tweight: rawBone.weights[ j ],\n\n\t\t\t\t\t} );\n\n\t\t\t\t} );\n\n\t\t\t} );\n\n\t\t}\n\n\t\treturn geoInfo;\n\n\t}\n\n\tgenBuffers( geoInfo ) {\n\n\t\tconst buffers = {\n\t\t\tvertex: [],\n\t\t\tnormal: [],\n\t\t\tcolors: [],\n\t\t\tuvs: [],\n\t\t\tmaterialIndex: [],\n\t\t\tvertexWeights: [],\n\t\t\tweightsIndices: [],\n\t\t};\n\n\t\tlet polygonIndex = 0;\n\t\tlet faceLength = 0;\n\t\tlet displayedWeightsWarning = false;\n\n\t\t// these will hold data for a single face\n\t\tlet facePositionIndexes = [];\n\t\tlet faceNormals = [];\n\t\tlet faceColors = [];\n\t\tlet faceUVs = [];\n\t\tlet faceWeights = [];\n\t\tlet faceWeightIndices = [];\n\n\t\tconst scope = this;\n\t\tgeoInfo.vertexIndices.forEach( function ( vertexIndex, polygonVertexIndex ) {\n\n\t\t\tlet materialIndex;\n\t\t\tlet endOfFace = false;\n\n\t\t\t// Face index and vertex index arrays are combined in a single array\n\t\t\t// A cube with quad faces looks like this:\n\t\t\t// PolygonVertexIndex: *24 {\n\t\t\t// a: 0, 1, 3, -3, 2, 3, 5, -5, 4, 5, 7, -7, 6, 7, 1, -1, 1, 7, 5, -4, 6, 0, 2, -5\n\t\t\t// }\n\t\t\t// Negative numbers mark the end of a face - first face here is 0, 1, 3, -3\n\t\t\t// to find index of last vertex bit shift the index: ^ - 1\n\t\t\tif ( vertexIndex < 0 ) {\n\n\t\t\t\tvertexIndex = vertexIndex ^ - 1; // equivalent to ( x * -1 ) - 1\n\t\t\t\tendOfFace = true;\n\n\t\t\t}\n\n\t\t\tlet weightIndices = [];\n\t\t\tlet weights = [];\n\n\t\t\tfacePositionIndexes.push( vertexIndex * 3, vertexIndex * 3 + 1, vertexIndex * 3 + 2 );\n\n\t\t\tif ( geoInfo.color ) {\n\n\t\t\t\tconst data = getData( polygonVertexIndex, polygonIndex, vertexIndex, geoInfo.color );\n\n\t\t\t\tfaceColors.push( data[ 0 ], data[ 1 ], data[ 2 ] );\n\n\t\t\t}\n\n\t\t\tif ( geoInfo.skeleton ) {\n\n\t\t\t\tif ( geoInfo.weightTable[ vertexIndex ] !== undefined ) {\n\n\t\t\t\t\tgeoInfo.weightTable[ vertexIndex ].forEach( function ( wt ) {\n\n\t\t\t\t\t\tweights.push( wt.weight );\n\t\t\t\t\t\tweightIndices.push( wt.id );\n\n\t\t\t\t\t} );\n\n\n\t\t\t\t}\n\n\t\t\t\tif ( weights.length > 4 ) {\n\n\t\t\t\t\tif ( ! displayedWeightsWarning ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FBXLoader: Vertex has more than 4 skinning weights assigned to vertex. Deleting additional weights.' );\n\t\t\t\t\t\tdisplayedWeightsWarning = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst wIndex = [ 0, 0, 0, 0 ];\n\t\t\t\t\tconst Weight = [ 0, 0, 0, 0 ];\n\n\t\t\t\t\tweights.forEach( function ( weight, weightIndex ) {\n\n\t\t\t\t\t\tlet currentWeight = weight;\n\t\t\t\t\t\tlet currentIndex = weightIndices[ weightIndex ];\n\n\t\t\t\t\t\tWeight.forEach( function ( comparedWeight, comparedWeightIndex, comparedWeightArray ) {\n\n\t\t\t\t\t\t\tif ( currentWeight > comparedWeight ) {\n\n\t\t\t\t\t\t\t\tcomparedWeightArray[ comparedWeightIndex ] = currentWeight;\n\t\t\t\t\t\t\t\tcurrentWeight = comparedWeight;\n\n\t\t\t\t\t\t\t\tconst tmp = wIndex[ comparedWeightIndex ];\n\t\t\t\t\t\t\t\twIndex[ comparedWeightIndex ] = currentIndex;\n\t\t\t\t\t\t\t\tcurrentIndex = tmp;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t} );\n\n\t\t\t\t\tweightIndices = wIndex;\n\t\t\t\t\tweights = Weight;\n\n\t\t\t\t}\n\n\t\t\t\t// if the weight array is shorter than 4 pad with 0s\n\t\t\t\twhile ( weights.length < 4 ) {\n\n\t\t\t\t\tweights.push( 0 );\n\t\t\t\t\tweightIndices.push( 0 );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 4; ++ i ) {\n\n\t\t\t\t\tfaceWeights.push( weights[ i ] );\n\t\t\t\t\tfaceWeightIndices.push( weightIndices[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( geoInfo.normal ) {\n\n\t\t\t\tconst data = getData( polygonVertexIndex, polygonIndex, vertexIndex, geoInfo.normal );\n\n\t\t\t\tfaceNormals.push( data[ 0 ], data[ 1 ], data[ 2 ] );\n\n\t\t\t}\n\n\t\t\tif ( geoInfo.material && geoInfo.material.mappingType !== 'AllSame' ) {\n\n\t\t\t\tmaterialIndex = getData( polygonVertexIndex, polygonIndex, vertexIndex, geoInfo.material )[ 0 ];\n\n\t\t\t}\n\n\t\t\tif ( geoInfo.uv ) {\n\n\t\t\t\tgeoInfo.uv.forEach( function ( uv, i ) {\n\n\t\t\t\t\tconst data = getData( polygonVertexIndex, polygonIndex, vertexIndex, uv );\n\n\t\t\t\t\tif ( faceUVs[ i ] === undefined ) {\n\n\t\t\t\t\t\tfaceUVs[ i ] = [];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceUVs[ i ].push( data[ 0 ] );\n\t\t\t\t\tfaceUVs[ i ].push( data[ 1 ] );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tfaceLength ++;\n\n\t\t\tif ( endOfFace ) {\n\n\t\t\t\tscope.genFace( buffers, geoInfo, facePositionIndexes, materialIndex, faceNormals, faceColors, faceUVs, faceWeights, faceWeightIndices, faceLength );\n\n\t\t\t\tpolygonIndex ++;\n\t\t\t\tfaceLength = 0;\n\n\t\t\t\t// reset arrays for the next face\n\t\t\t\tfacePositionIndexes = [];\n\t\t\t\tfaceNormals = [];\n\t\t\t\tfaceColors = [];\n\t\t\t\tfaceUVs = [];\n\t\t\t\tfaceWeights = [];\n\t\t\t\tfaceWeightIndices = [];\n\n\t\t\t}\n\n\t\t} );\n\n\t\treturn buffers;\n\n\t}\n\n\t// Generate data for a single face in a geometry. If the face is a quad then split it into 2 tris\n\tgenFace( buffers, geoInfo, facePositionIndexes, materialIndex, faceNormals, faceColors, faceUVs, faceWeights, faceWeightIndices, faceLength ) {\n\n\t\tfor ( let i = 2; i < faceLength; i ++ ) {\n\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ 0 ] ] );\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ 1 ] ] );\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ 2 ] ] );\n\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ ( i - 1 ) * 3 ] ] );\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ ( i - 1 ) * 3 + 1 ] ] );\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ ( i - 1 ) * 3 + 2 ] ] );\n\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i * 3 ] ] );\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i * 3 + 1 ] ] );\n\t\t\tbuffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i * 3 + 2 ] ] );\n\n\t\t\tif ( geoInfo.skeleton ) {\n\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ 0 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ 1 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ 2 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ 3 ] );\n\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ ( i - 1 ) * 4 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ ( i - 1 ) * 4 + 1 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ ( i - 1 ) * 4 + 2 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ ( i - 1 ) * 4 + 3 ] );\n\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ i * 4 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ i * 4 + 1 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ i * 4 + 2 ] );\n\t\t\t\tbuffers.vertexWeights.push( faceWeights[ i * 4 + 3 ] );\n\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ 0 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ 1 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ 2 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ 3 ] );\n\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ ( i - 1 ) * 4 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ ( i - 1 ) * 4 + 1 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ ( i - 1 ) * 4 + 2 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ ( i - 1 ) * 4 + 3 ] );\n\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ i * 4 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ i * 4 + 1 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ i * 4 + 2 ] );\n\t\t\t\tbuffers.weightsIndices.push( faceWeightIndices[ i * 4 + 3 ] );\n\n\t\t\t}\n\n\t\t\tif ( geoInfo.color ) {\n\n\t\t\t\tbuffers.colors.push( faceColors[ 0 ] );\n\t\t\t\tbuffers.colors.push( faceColors[ 1 ] );\n\t\t\t\tbuffers.colors.push( faceColors[ 2 ] );\n\n\t\t\t\tbuffers.colors.push( faceColors[ ( i - 1 ) * 3 ] );\n\t\t\t\tbuffers.colors.push( faceColors[ ( i - 1 ) * 3 + 1 ] );\n\t\t\t\tbuffers.colors.push( faceColors[ ( i - 1 ) * 3 + 2 ] );\n\n\t\t\t\tbuffers.colors.push( faceColors[ i * 3 ] );\n\t\t\t\tbuffers.colors.push( faceColors[ i * 3 + 1 ] );\n\t\t\t\tbuffers.colors.push( faceColors[ i * 3 + 2 ] );\n\n\t\t\t}\n\n\t\t\tif ( geoInfo.material && geoInfo.material.mappingType !== 'AllSame' ) {\n\n\t\t\t\tbuffers.materialIndex.push( materialIndex );\n\t\t\t\tbuffers.materialIndex.push( materialIndex );\n\t\t\t\tbuffers.materialIndex.push( materialIndex );\n\n\t\t\t}\n\n\t\t\tif ( geoInfo.normal ) {\n\n\t\t\t\tbuffers.normal.push( faceNormals[ 0 ] );\n\t\t\t\tbuffers.normal.push( faceNormals[ 1 ] );\n\t\t\t\tbuffers.normal.push( faceNormals[ 2 ] );\n\n\t\t\t\tbuffers.normal.push( faceNormals[ ( i - 1 ) * 3 ] );\n\t\t\t\tbuffers.normal.push( faceNormals[ ( i - 1 ) * 3 + 1 ] );\n\t\t\t\tbuffers.normal.push( faceNormals[ ( i - 1 ) * 3 + 2 ] );\n\n\t\t\t\tbuffers.normal.push( faceNormals[ i * 3 ] );\n\t\t\t\tbuffers.normal.push( faceNormals[ i * 3 + 1 ] );\n\t\t\t\tbuffers.normal.push( faceNormals[ i * 3 + 2 ] );\n\n\t\t\t}\n\n\t\t\tif ( geoInfo.uv ) {\n\n\t\t\t\tgeoInfo.uv.forEach( function ( uv, j ) {\n\n\t\t\t\t\tif ( buffers.uvs[ j ] === undefined ) buffers.uvs[ j ] = [];\n\n\t\t\t\t\tbuffers.uvs[ j ].push( faceUVs[ j ][ 0 ] );\n\t\t\t\t\tbuffers.uvs[ j ].push( faceUVs[ j ][ 1 ] );\n\n\t\t\t\t\tbuffers.uvs[ j ].push( faceUVs[ j ][ ( i - 1 ) * 2 ] );\n\t\t\t\t\tbuffers.uvs[ j ].push( faceUVs[ j ][ ( i - 1 ) * 2 + 1 ] );\n\n\t\t\t\t\tbuffers.uvs[ j ].push( faceUVs[ j ][ i * 2 ] );\n\t\t\t\t\tbuffers.uvs[ j ].push( faceUVs[ j ][ i * 2 + 1 ] );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\taddMorphTargets( parentGeo, parentGeoNode, morphTargets, preTransform ) {\n\n\t\tif ( morphTargets.length === 0 ) return;\n\n\t\tparentGeo.morphTargetsRelative = true;\n\n\t\tparentGeo.morphAttributes.position = [];\n\t\t// parentGeo.morphAttributes.normal = []; // not implemented\n\n\t\tconst scope = this;\n\t\tmorphTargets.forEach( function ( morphTarget ) {\n\n\t\t\tmorphTarget.rawTargets.forEach( function ( rawTarget ) {\n\n\t\t\t\tconst morphGeoNode = fbxTree.Objects.Geometry[ rawTarget.geoID ];\n\n\t\t\t\tif ( morphGeoNode !== undefined ) {\n\n\t\t\t\t\tscope.genMorphGeometry( parentGeo, parentGeoNode, morphGeoNode, preTransform, rawTarget.name );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t} );\n\n\t}\n\n\t// a morph geometry node is similar to a standard node, and the node is also contained\n\t// in FBXTree.Objects.Geometry, however it can only have attributes for position, normal\n\t// and a special attribute Index defining which vertices of the original geometry are affected\n\t// Normal and position attributes only have data for the vertices that are affected by the morph\n\tgenMorphGeometry( parentGeo, parentGeoNode, morphGeoNode, preTransform, name ) {\n\n\t\tconst vertexIndices = ( parentGeoNode.PolygonVertexIndex !== undefined ) ? parentGeoNode.PolygonVertexIndex.a : [];\n\n\t\tconst morphPositionsSparse = ( morphGeoNode.Vertices !== undefined ) ? morphGeoNode.Vertices.a : [];\n\t\tconst indices = ( morphGeoNode.Indexes !== undefined ) ? morphGeoNode.Indexes.a : [];\n\n\t\tconst length = parentGeo.attributes.position.count * 3;\n\t\tconst morphPositions = new Float32Array( length );\n\n\t\tfor ( let i = 0; i < indices.length; i ++ ) {\n\n\t\t\tconst morphIndex = indices[ i ] * 3;\n\n\t\t\tmorphPositions[ morphIndex ] = morphPositionsSparse[ i * 3 ];\n\t\t\tmorphPositions[ morphIndex + 1 ] = morphPositionsSparse[ i * 3 + 1 ];\n\t\t\tmorphPositions[ morphIndex + 2 ] = morphPositionsSparse[ i * 3 + 2 ];\n\n\t\t}\n\n\t\t// TODO: add morph normal support\n\t\tconst morphGeoInfo = {\n\t\t\tvertexIndices: vertexIndices,\n\t\t\tvertexPositions: morphPositions,\n\n\t\t};\n\n\t\tconst morphBuffers = this.genBuffers( morphGeoInfo );\n\n\t\tconst positionAttribute = new Float32BufferAttribute( morphBuffers.vertex, 3 );\n\t\tpositionAttribute.name = name || morphGeoNode.attrName;\n\n\t\tpositionAttribute.applyMatrix4( preTransform );\n\n\t\tparentGeo.morphAttributes.position.push( positionAttribute );\n\n\t}\n\n\t// Parse normal from FBXTree.Objects.Geometry.LayerElementNormal if it exists\n\tparseNormals( NormalNode ) {\n\n\t\tconst mappingType = NormalNode.MappingInformationType;\n\t\tconst referenceType = NormalNode.ReferenceInformationType;\n\t\tconst buffer = NormalNode.Normals.a;\n\t\tlet indexBuffer = [];\n\t\tif ( referenceType === 'IndexToDirect' ) {\n\n\t\t\tif ( 'NormalIndex' in NormalNode ) {\n\n\t\t\t\tindexBuffer = NormalNode.NormalIndex.a;\n\n\t\t\t} else if ( 'NormalsIndex' in NormalNode ) {\n\n\t\t\t\tindexBuffer = NormalNode.NormalsIndex.a;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\tdataSize: 3,\n\t\t\tbuffer: buffer,\n\t\t\tindices: indexBuffer,\n\t\t\tmappingType: mappingType,\n\t\t\treferenceType: referenceType\n\t\t};\n\n\t}\n\n\t// Parse UVs from FBXTree.Objects.Geometry.LayerElementUV if it exists\n\tparseUVs( UVNode ) {\n\n\t\tconst mappingType = UVNode.MappingInformationType;\n\t\tconst referenceType = UVNode.ReferenceInformationType;\n\t\tconst buffer = UVNode.UV.a;\n\t\tlet indexBuffer = [];\n\t\tif ( referenceType === 'IndexToDirect' ) {\n\n\t\t\tindexBuffer = UVNode.UVIndex.a;\n\n\t\t}\n\n\t\treturn {\n\t\t\tdataSize: 2,\n\t\t\tbuffer: buffer,\n\t\t\tindices: indexBuffer,\n\t\t\tmappingType: mappingType,\n\t\t\treferenceType: referenceType\n\t\t};\n\n\t}\n\n\t// Parse Vertex Colors from FBXTree.Objects.Geometry.LayerElementColor if it exists\n\tparseVertexColors( ColorNode ) {\n\n\t\tconst mappingType = ColorNode.MappingInformationType;\n\t\tconst referenceType = ColorNode.ReferenceInformationType;\n\t\tconst buffer = ColorNode.Colors.a;\n\t\tlet indexBuffer = [];\n\t\tif ( referenceType === 'IndexToDirect' ) {\n\n\t\t\tindexBuffer = ColorNode.ColorIndex.a;\n\n\t\t}\n\n\t\treturn {\n\t\t\tdataSize: 4,\n\t\t\tbuffer: buffer,\n\t\t\tindices: indexBuffer,\n\t\t\tmappingType: mappingType,\n\t\t\treferenceType: referenceType\n\t\t};\n\n\t}\n\n\t// Parse mapping and material data in FBXTree.Objects.Geometry.LayerElementMaterial if it exists\n\tparseMaterialIndices( MaterialNode ) {\n\n\t\tconst mappingType = MaterialNode.MappingInformationType;\n\t\tconst referenceType = MaterialNode.ReferenceInformationType;\n\n\t\tif ( mappingType === 'NoMappingInformation' ) {\n\n\t\t\treturn {\n\t\t\t\tdataSize: 1,\n\t\t\t\tbuffer: [ 0 ],\n\t\t\t\tindices: [ 0 ],\n\t\t\t\tmappingType: 'AllSame',\n\t\t\t\treferenceType: referenceType\n\t\t\t};\n\n\t\t}\n\n\t\tconst materialIndexBuffer = MaterialNode.Materials.a;\n\n\t\t// Since materials are stored as indices, there's a bit of a mismatch between FBX and what\n\t\t// we expect.So we create an intermediate buffer that points to the index in the buffer,\n\t\t// for conforming with the other functions we've written for other data.\n\t\tconst materialIndices = [];\n\n\t\tfor ( let i = 0; i < materialIndexBuffer.length; ++ i ) {\n\n\t\t\tmaterialIndices.push( i );\n\n\t\t}\n\n\t\treturn {\n\t\t\tdataSize: 1,\n\t\t\tbuffer: materialIndexBuffer,\n\t\t\tindices: materialIndices,\n\t\t\tmappingType: mappingType,\n\t\t\treferenceType: referenceType\n\t\t};\n\n\t}\n\n\t// Generate a NurbGeometry from a node in FBXTree.Objects.Geometry\n\tparseNurbsGeometry( geoNode ) {\n\n\t\tif ( NURBSCurve === undefined ) {\n\n\t\t\tconsole.error( 'THREE.FBXLoader: The loader relies on NURBSCurve for any nurbs present in the model. Nurbs will show up as empty geometry.' );\n\t\t\treturn new BufferGeometry();\n\n\t\t}\n\n\t\tconst order = parseInt( geoNode.Order );\n\n\t\tif ( isNaN( order ) ) {\n\n\t\t\tconsole.error( 'THREE.FBXLoader: Invalid Order %s given for geometry ID: %s', geoNode.Order, geoNode.id );\n\t\t\treturn new BufferGeometry();\n\n\t\t}\n\n\t\tconst degree = order - 1;\n\n\t\tconst knots = geoNode.KnotVector.a;\n\t\tconst controlPoints = [];\n\t\tconst pointsValues = geoNode.Points.a;\n\n\t\tfor ( let i = 0, l = pointsValues.length; i < l; i += 4 ) {\n\n\t\t\tcontrolPoints.push( new Vector4().fromArray( pointsValues, i ) );\n\n\t\t}\n\n\t\tlet startKnot, endKnot;\n\n\t\tif ( geoNode.Form === 'Closed' ) {\n\n\t\t\tcontrolPoints.push( controlPoints[ 0 ] );\n\n\t\t} else if ( geoNode.Form === 'Periodic' ) {\n\n\t\t\tstartKnot = degree;\n\t\t\tendKnot = knots.length - 1 - startKnot;\n\n\t\t\tfor ( let i = 0; i < degree; ++ i ) {\n\n\t\t\t\tcontrolPoints.push( controlPoints[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst curve = new NURBSCurve( degree, knots, controlPoints, startKnot, endKnot );\n\t\tconst points = curve.getPoints( controlPoints.length * 12 );\n\n\t\treturn new BufferGeometry().setFromPoints( points );\n\n\t}\n\n}\n\n// parse animation data from FBXTree\nclass AnimationParser {\n\n\t// take raw animation clips and turn them into three.js animation clips\n\tparse() {\n\n\t\tconst animationClips = [];\n\n\t\tconst rawClips = this.parseClips();\n\n\t\tif ( rawClips !== undefined ) {\n\n\t\t\tfor ( const key in rawClips ) {\n\n\t\t\t\tconst rawClip = rawClips[ key ];\n\n\t\t\t\tconst clip = this.addClip( rawClip );\n\n\t\t\t\tanimationClips.push( clip );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animationClips;\n\n\t}\n\n\tparseClips() {\n\n\t\t// since the actual transformation data is stored in FBXTree.Objects.AnimationCurve,\n\t\t// if this is undefined we can safely assume there are no animations\n\t\tif ( fbxTree.Objects.AnimationCurve === undefined ) return undefined;\n\n\t\tconst curveNodesMap = this.parseAnimationCurveNodes();\n\n\t\tthis.parseAnimationCurves( curveNodesMap );\n\n\t\tconst layersMap = this.parseAnimationLayers( curveNodesMap );\n\t\tconst rawClips = this.parseAnimStacks( layersMap );\n\n\t\treturn rawClips;\n\n\t}\n\n\t// parse nodes in FBXTree.Objects.AnimationCurveNode\n\t// each AnimationCurveNode holds data for an animation transform for a model (e.g. left arm rotation )\n\t// and is referenced by an AnimationLayer\n\tparseAnimationCurveNodes() {\n\n\t\tconst rawCurveNodes = fbxTree.Objects.AnimationCurveNode;\n\n\t\tconst curveNodesMap = new Map();\n\n\t\tfor ( const nodeID in rawCurveNodes ) {\n\n\t\t\tconst rawCurveNode = rawCurveNodes[ nodeID ];\n\n\t\t\tif ( rawCurveNode.attrName.match( /S|R|T|DeformPercent/ ) !== null ) {\n\n\t\t\t\tconst curveNode = {\n\n\t\t\t\t\tid: rawCurveNode.id,\n\t\t\t\t\tattr: rawCurveNode.attrName,\n\t\t\t\t\tcurves: {},\n\n\t\t\t\t};\n\n\t\t\t\tcurveNodesMap.set( curveNode.id, curveNode );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn curveNodesMap;\n\n\t}\n\n\t// parse nodes in FBXTree.Objects.AnimationCurve and connect them up to\n\t// previously parsed AnimationCurveNodes. Each AnimationCurve holds data for a single animated\n\t// axis ( e.g. times and values of x rotation)\n\tparseAnimationCurves( curveNodesMap ) {\n\n\t\tconst rawCurves = fbxTree.Objects.AnimationCurve;\n\n\t\t// TODO: Many values are identical up to roundoff error, but won't be optimised\n\t\t// e.g. position times: [0, 0.4, 0. 8]\n\t\t// position values: [7.23538335023477e-7, 93.67518615722656, -0.9982695579528809, 7.23538335023477e-7, 93.67518615722656, -0.9982695579528809, 7.235384487103147e-7, 93.67520904541016, -0.9982695579528809]\n\t\t// clearly, this should be optimised to\n\t\t// times: [0], positions [7.23538335023477e-7, 93.67518615722656, -0.9982695579528809]\n\t\t// this shows up in nearly every FBX file, and generally time array is length > 100\n\n\t\tfor ( const nodeID in rawCurves ) {\n\n\t\t\tconst animationCurve = {\n\n\t\t\t\tid: rawCurves[ nodeID ].id,\n\t\t\t\ttimes: rawCurves[ nodeID ].KeyTime.a.map( convertFBXTimeToSeconds ),\n\t\t\t\tvalues: rawCurves[ nodeID ].KeyValueFloat.a,\n\n\t\t\t};\n\n\t\t\tconst relationships = connections.get( animationCurve.id );\n\n\t\t\tif ( relationships !== undefined ) {\n\n\t\t\t\tconst animationCurveID = relationships.parents[ 0 ].ID;\n\t\t\t\tconst animationCurveRelationship = relationships.parents[ 0 ].relationship;\n\n\t\t\t\tif ( animationCurveRelationship.match( /X/ ) ) {\n\n\t\t\t\t\tcurveNodesMap.get( animationCurveID ).curves[ 'x' ] = animationCurve;\n\n\t\t\t\t} else if ( animationCurveRelationship.match( /Y/ ) ) {\n\n\t\t\t\t\tcurveNodesMap.get( animationCurveID ).curves[ 'y' ] = animationCurve;\n\n\t\t\t\t} else if ( animationCurveRelationship.match( /Z/ ) ) {\n\n\t\t\t\t\tcurveNodesMap.get( animationCurveID ).curves[ 'z' ] = animationCurve;\n\n\t\t\t\t} else if ( animationCurveRelationship.match( /d|DeformPercent/ ) && curveNodesMap.has( animationCurveID ) ) {\n\n\t\t\t\t\tcurveNodesMap.get( animationCurveID ).curves[ 'morph' ] = animationCurve;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// parse nodes in FBXTree.Objects.AnimationLayer. Each layers holds references\n\t// to various AnimationCurveNodes and is referenced by an AnimationStack node\n\t// note: theoretically a stack can have multiple layers, however in practice there always seems to be one per stack\n\tparseAnimationLayers( curveNodesMap ) {\n\n\t\tconst rawLayers = fbxTree.Objects.AnimationLayer;\n\n\t\tconst layersMap = new Map();\n\n\t\tfor ( const nodeID in rawLayers ) {\n\n\t\t\tconst layerCurveNodes = [];\n\n\t\t\tconst connection = connections.get( parseInt( nodeID ) );\n\n\t\t\tif ( connection !== undefined ) {\n\n\t\t\t\t// all the animationCurveNodes used in the layer\n\t\t\t\tconst children = connection.children;\n\n\t\t\t\tchildren.forEach( function ( child, i ) {\n\n\t\t\t\t\tif ( curveNodesMap.has( child.ID ) ) {\n\n\t\t\t\t\t\tconst curveNode = curveNodesMap.get( child.ID );\n\n\t\t\t\t\t\t// check that the curves are defined for at least one axis, otherwise ignore the curveNode\n\t\t\t\t\t\tif ( curveNode.curves.x !== undefined || curveNode.curves.y !== undefined || curveNode.curves.z !== undefined ) {\n\n\t\t\t\t\t\t\tif ( layerCurveNodes[ i ] === undefined ) {\n\n\t\t\t\t\t\t\t\tconst modelID = connections.get( child.ID ).parents.filter( function ( parent ) {\n\n\t\t\t\t\t\t\t\t\treturn parent.relationship !== undefined;\n\n\t\t\t\t\t\t\t\t} )[ 0 ].ID;\n\n\t\t\t\t\t\t\t\tif ( modelID !== undefined ) {\n\n\t\t\t\t\t\t\t\t\tconst rawModel = fbxTree.Objects.Model[ modelID.toString() ];\n\n\t\t\t\t\t\t\t\t\tif ( rawModel === undefined ) {\n\n\t\t\t\t\t\t\t\t\t\tconsole.warn( 'THREE.FBXLoader: Encountered a unused curve.', child );\n\t\t\t\t\t\t\t\t\t\treturn;\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\tconst node = {\n\n\t\t\t\t\t\t\t\t\t\tmodelName: rawModel.attrName ? PropertyBinding.sanitizeNodeName( rawModel.attrName ) : '',\n\t\t\t\t\t\t\t\t\t\tID: rawModel.id,\n\t\t\t\t\t\t\t\t\t\tinitialPosition: [ 0, 0, 0 ],\n\t\t\t\t\t\t\t\t\t\tinitialRotation: [ 0, 0, 0 ],\n\t\t\t\t\t\t\t\t\t\tinitialScale: [ 1, 1, 1 ],\n\n\t\t\t\t\t\t\t\t\t};\n\n\t\t\t\t\t\t\t\t\tsceneGraph.traverse( function ( child ) {\n\n\t\t\t\t\t\t\t\t\t\tif ( child.ID === rawModel.id ) {\n\n\t\t\t\t\t\t\t\t\t\t\tnode.transform = child.matrix;\n\n\t\t\t\t\t\t\t\t\t\t\tif ( child.userData.transformData ) node.eulerOrder = child.userData.transformData.eulerOrder;\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t\t\tif ( ! node.transform ) node.transform = new Matrix4();\n\n\t\t\t\t\t\t\t\t\t// if the animated model is pre rotated, we'll have to apply the pre rotations to every\n\t\t\t\t\t\t\t\t\t// animation value as well\n\t\t\t\t\t\t\t\t\tif ( 'PreRotation' in rawModel ) node.preRotation = rawModel.PreRotation.value;\n\t\t\t\t\t\t\t\t\tif ( 'PostRotation' in rawModel ) node.postRotation = rawModel.PostRotation.value;\n\n\t\t\t\t\t\t\t\t\tlayerCurveNodes[ i ] = node;\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( layerCurveNodes[ i ] ) layerCurveNodes[ i ][ curveNode.attr ] = curveNode;\n\n\t\t\t\t\t\t} else if ( curveNode.curves.morph !== undefined ) {\n\n\t\t\t\t\t\t\tif ( layerCurveNodes[ i ] === undefined ) {\n\n\t\t\t\t\t\t\t\tconst deformerID = connections.get( child.ID ).parents.filter( function ( parent ) {\n\n\t\t\t\t\t\t\t\t\treturn parent.relationship !== undefined;\n\n\t\t\t\t\t\t\t\t} )[ 0 ].ID;\n\n\t\t\t\t\t\t\t\tconst morpherID = connections.get( deformerID ).parents[ 0 ].ID;\n\t\t\t\t\t\t\t\tconst geoID = connections.get( morpherID ).parents[ 0 ].ID;\n\n\t\t\t\t\t\t\t\t// assuming geometry is not used in more than one model\n\t\t\t\t\t\t\t\tconst modelID = connections.get( geoID ).parents[ 0 ].ID;\n\n\t\t\t\t\t\t\t\tconst rawModel = fbxTree.Objects.Model[ modelID ];\n\n\t\t\t\t\t\t\t\tconst node = {\n\n\t\t\t\t\t\t\t\t\tmodelName: rawModel.attrName ? PropertyBinding.sanitizeNodeName( rawModel.attrName ) : '',\n\t\t\t\t\t\t\t\t\tmorphName: fbxTree.Objects.Deformer[ deformerID ].attrName,\n\n\t\t\t\t\t\t\t\t};\n\n\t\t\t\t\t\t\t\tlayerCurveNodes[ i ] = node;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tlayerCurveNodes[ i ][ curveNode.attr ] = curveNode;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tlayersMap.set( parseInt( nodeID ), layerCurveNodes );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn layersMap;\n\n\t}\n\n\t// parse nodes in FBXTree.Objects.AnimationStack. These are the top level node in the animation\n\t// hierarchy. Each Stack node will be used to create a AnimationClip\n\tparseAnimStacks( layersMap ) {\n\n\t\tconst rawStacks = fbxTree.Objects.AnimationStack;\n\n\t\t// connect the stacks (clips) up to the layers\n\t\tconst rawClips = {};\n\n\t\tfor ( const nodeID in rawStacks ) {\n\n\t\t\tconst children = connections.get( parseInt( nodeID ) ).children;\n\n\t\t\tif ( children.length > 1 ) {\n\n\t\t\t\t// it seems like stacks will always be associated with a single layer. But just in case there are files\n\t\t\t\t// where there are multiple layers per stack, we'll display a warning\n\t\t\t\tconsole.warn( 'THREE.FBXLoader: Encountered an animation stack with multiple layers, this is currently not supported. Ignoring subsequent layers.' );\n\n\t\t\t}\n\n\t\t\tconst layer = layersMap.get( children[ 0 ].ID );\n\n\t\t\trawClips[ nodeID ] = {\n\n\t\t\t\tname: rawStacks[ nodeID ].attrName,\n\t\t\t\tlayer: layer,\n\n\t\t\t};\n\n\t\t}\n\n\t\treturn rawClips;\n\n\t}\n\n\taddClip( rawClip ) {\n\n\t\tlet tracks = [];\n\n\t\tconst scope = this;\n\t\trawClip.layer.forEach( function ( rawTracks ) {\n\n\t\t\ttracks = tracks.concat( scope.generateTracks( rawTracks ) );\n\n\t\t} );\n\n\t\treturn new AnimationClip( rawClip.name, - 1, tracks );\n\n\t}\n\n\tgenerateTracks( rawTracks ) {\n\n\t\tconst tracks = [];\n\n\t\tlet initialPosition = new Vector3();\n\t\tlet initialRotation = new Quaternion();\n\t\tlet initialScale = new Vector3();\n\n\t\tif ( rawTracks.transform ) rawTracks.transform.decompose( initialPosition, initialRotation, initialScale );\n\n\t\tinitialPosition = initialPosition.toArray();\n\t\tinitialRotation = new Euler().setFromQuaternion( initialRotation, rawTracks.eulerOrder ).toArray();\n\t\tinitialScale = initialScale.toArray();\n\n\t\tif ( rawTracks.T !== undefined && Object.keys( rawTracks.T.curves ).length > 0 ) {\n\n\t\t\tconst positionTrack = this.generateVectorTrack( rawTracks.modelName, rawTracks.T.curves, initialPosition, 'position' );\n\t\t\tif ( positionTrack !== undefined ) tracks.push( positionTrack );\n\n\t\t}\n\n\t\tif ( rawTracks.R !== undefined && Object.keys( rawTracks.R.curves ).length > 0 ) {\n\n\t\t\tconst rotationTrack = this.generateRotationTrack( rawTracks.modelName, rawTracks.R.curves, initialRotation, rawTracks.preRotation, rawTracks.postRotation, rawTracks.eulerOrder );\n\t\t\tif ( rotationTrack !== undefined ) tracks.push( rotationTrack );\n\n\t\t}\n\n\t\tif ( rawTracks.S !== undefined && Object.keys( rawTracks.S.curves ).length > 0 ) {\n\n\t\t\tconst scaleTrack = this.generateVectorTrack( rawTracks.modelName, rawTracks.S.curves, initialScale, 'scale' );\n\t\t\tif ( scaleTrack !== undefined ) tracks.push( scaleTrack );\n\n\t\t}\n\n\t\tif ( rawTracks.DeformPercent !== undefined ) {\n\n\t\t\tconst morphTrack = this.generateMorphTrack( rawTracks );\n\t\t\tif ( morphTrack !== undefined ) tracks.push( morphTrack );\n\n\t\t}\n\n\t\treturn tracks;\n\n\t}\n\n\tgenerateVectorTrack( modelName, curves, initialValue, type ) {\n\n\t\tconst times = this.getTimesForAllAxes( curves );\n\t\tconst values = this.getKeyframeTrackValues( times, curves, initialValue );\n\n\t\treturn new VectorKeyframeTrack( modelName + '.' + type, times, values );\n\n\t}\n\n\tgenerateRotationTrack( modelName, curves, initialValue, preRotation, postRotation, eulerOrder ) {\n\n\t\tif ( curves.x !== undefined ) {\n\n\t\t\tthis.interpolateRotations( curves.x );\n\t\t\tcurves.x.values = curves.x.values.map( MathUtils.degToRad );\n\n\t\t}\n\n\t\tif ( curves.y !== undefined ) {\n\n\t\t\tthis.interpolateRotations( curves.y );\n\t\t\tcurves.y.values = curves.y.values.map( MathUtils.degToRad );\n\n\t\t}\n\n\t\tif ( curves.z !== undefined ) {\n\n\t\t\tthis.interpolateRotations( curves.z );\n\t\t\tcurves.z.values = curves.z.values.map( MathUtils.degToRad );\n\n\t\t}\n\n\t\tconst times = this.getTimesForAllAxes( curves );\n\t\tconst values = this.getKeyframeTrackValues( times, curves, initialValue );\n\n\t\tif ( preRotation !== undefined ) {\n\n\t\t\tpreRotation = preRotation.map( MathUtils.degToRad );\n\t\t\tpreRotation.push( eulerOrder );\n\n\t\t\tpreRotation = new Euler().fromArray( preRotation );\n\t\t\tpreRotation = new Quaternion().setFromEuler( preRotation );\n\n\t\t}\n\n\t\tif ( postRotation !== undefined ) {\n\n\t\t\tpostRotation = postRotation.map( MathUtils.degToRad );\n\t\t\tpostRotation.push( eulerOrder );\n\n\t\t\tpostRotation = new Euler().fromArray( postRotation );\n\t\t\tpostRotation = new Quaternion().setFromEuler( postRotation ).invert();\n\n\t\t}\n\n\t\tconst quaternion = new Quaternion();\n\t\tconst euler = new Euler();\n\n\t\tconst quaternionValues = [];\n\n\t\tfor ( let i = 0; i < values.length; i += 3 ) {\n\n\t\t\teuler.set( values[ i ], values[ i + 1 ], values[ i + 2 ], eulerOrder );\n\n\t\t\tquaternion.setFromEuler( euler );\n\n\t\t\tif ( preRotation !== undefined ) quaternion.premultiply( preRotation );\n\t\t\tif ( postRotation !== undefined ) quaternion.multiply( postRotation );\n\n\t\t\tquaternion.toArray( quaternionValues, ( i / 3 ) * 4 );\n\n\t\t}\n\n\t\treturn new QuaternionKeyframeTrack( modelName + '.quaternion', times, quaternionValues );\n\n\t}\n\n\tgenerateMorphTrack( rawTracks ) {\n\n\t\tconst curves = rawTracks.DeformPercent.curves.morph;\n\t\tconst values = curves.values.map( function ( val ) {\n\n\t\t\treturn val / 100;\n\n\t\t} );\n\n\t\tconst morphNum = sceneGraph.getObjectByName( rawTracks.modelName ).morphTargetDictionary[ rawTracks.morphName ];\n\n\t\treturn new NumberKeyframeTrack( rawTracks.modelName + '.morphTargetInfluences[' + morphNum + ']', curves.times, values );\n\n\t}\n\n\t// For all animated objects, times are defined separately for each axis\n\t// Here we'll combine the times into one sorted array without duplicates\n\tgetTimesForAllAxes( curves ) {\n\n\t\tlet times = [];\n\n\t\t// first join together the times for each axis, if defined\n\t\tif ( curves.x !== undefined ) times = times.concat( curves.x.times );\n\t\tif ( curves.y !== undefined ) times = times.concat( curves.y.times );\n\t\tif ( curves.z !== undefined ) times = times.concat( curves.z.times );\n\n\t\t// then sort them\n\t\ttimes = times.sort( function ( a, b ) {\n\n\t\t\treturn a - b;\n\n\t\t} );\n\n\t\t// and remove duplicates\n\t\tif ( times.length > 1 ) {\n\n\t\t\tlet targetIndex = 1;\n\t\t\tlet lastValue = times[ 0 ];\n\t\t\tfor ( let i = 1; i < times.length; i ++ ) {\n\n\t\t\t\tconst currentValue = times[ i ];\n\t\t\t\tif ( currentValue !== lastValue ) {\n\n\t\t\t\t\ttimes[ targetIndex ] = currentValue;\n\t\t\t\t\tlastValue = currentValue;\n\t\t\t\t\ttargetIndex ++;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttimes = times.slice( 0, targetIndex );\n\n\t\t}\n\n\t\treturn times;\n\n\t}\n\n\tgetKeyframeTrackValues( times, curves, initialValue ) {\n\n\t\tconst prevValue = initialValue;\n\n\t\tconst values = [];\n\n\t\tlet xIndex = - 1;\n\t\tlet yIndex = - 1;\n\t\tlet zIndex = - 1;\n\n\t\ttimes.forEach( function ( time ) {\n\n\t\t\tif ( curves.x ) xIndex = curves.x.times.indexOf( time );\n\t\t\tif ( curves.y ) yIndex = curves.y.times.indexOf( time );\n\t\t\tif ( curves.z ) zIndex = curves.z.times.indexOf( time );\n\n\t\t\t// if there is an x value defined for this frame, use that\n\t\t\tif ( xIndex !== - 1 ) {\n\n\t\t\t\tconst xValue = curves.x.values[ xIndex ];\n\t\t\t\tvalues.push( xValue );\n\t\t\t\tprevValue[ 0 ] = xValue;\n\n\t\t\t} else {\n\n\t\t\t\t// otherwise use the x value from the previous frame\n\t\t\t\tvalues.push( prevValue[ 0 ] );\n\n\t\t\t}\n\n\t\t\tif ( yIndex !== - 1 ) {\n\n\t\t\t\tconst yValue = curves.y.values[ yIndex ];\n\t\t\t\tvalues.push( yValue );\n\t\t\t\tprevValue[ 1 ] = yValue;\n\n\t\t\t} else {\n\n\t\t\t\tvalues.push( prevValue[ 1 ] );\n\n\t\t\t}\n\n\t\t\tif ( zIndex !== - 1 ) {\n\n\t\t\t\tconst zValue = curves.z.values[ zIndex ];\n\t\t\t\tvalues.push( zValue );\n\t\t\t\tprevValue[ 2 ] = zValue;\n\n\t\t\t} else {\n\n\t\t\t\tvalues.push( prevValue[ 2 ] );\n\n\t\t\t}\n\n\t\t} );\n\n\t\treturn values;\n\n\t}\n\n\t// Rotations are defined as Euler angles which can have values of any size\n\t// These will be converted to quaternions which don't support values greater than\n\t// PI, so we'll interpolate large rotations\n\tinterpolateRotations( curve ) {\n\n\t\tfor ( let i = 1; i < curve.values.length; i ++ ) {\n\n\t\t\tconst initialValue = curve.values[ i - 1 ];\n\t\t\tconst valuesSpan = curve.values[ i ] - initialValue;\n\n\t\t\tconst absoluteSpan = Math.abs( valuesSpan );\n\n\t\t\tif ( absoluteSpan >= 180 ) {\n\n\t\t\t\tconst numSubIntervals = absoluteSpan / 180;\n\n\t\t\t\tconst step = valuesSpan / numSubIntervals;\n\t\t\t\tlet nextValue = initialValue + step;\n\n\t\t\t\tconst initialTime = curve.times[ i - 1 ];\n\t\t\t\tconst timeSpan = curve.times[ i ] - initialTime;\n\t\t\t\tconst interval = timeSpan / numSubIntervals;\n\t\t\t\tlet nextTime = initialTime + interval;\n\n\t\t\t\tconst interpolatedTimes = [];\n\t\t\t\tconst interpolatedValues = [];\n\n\t\t\t\twhile ( nextTime < curve.times[ i ] ) {\n\n\t\t\t\t\tinterpolatedTimes.push( nextTime );\n\t\t\t\t\tnextTime += interval;\n\n\t\t\t\t\tinterpolatedValues.push( nextValue );\n\t\t\t\t\tnextValue += step;\n\n\t\t\t\t}\n\n\t\t\t\tcurve.times = inject( curve.times, i, interpolatedTimes );\n\t\t\t\tcurve.values = inject( curve.values, i, interpolatedValues );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\n// parse an FBX file in ASCII format\nclass TextParser {\n\n\tgetPrevNode() {\n\n\t\treturn this.nodeStack[ this.currentIndent - 2 ];\n\n\t}\n\n\tgetCurrentNode() {\n\n\t\treturn this.nodeStack[ this.currentIndent - 1 ];\n\n\t}\n\n\tgetCurrentProp() {\n\n\t\treturn this.currentProp;\n\n\t}\n\n\tpushStack( node ) {\n\n\t\tthis.nodeStack.push( node );\n\t\tthis.currentIndent += 1;\n\n\t}\n\n\tpopStack() {\n\n\t\tthis.nodeStack.pop();\n\t\tthis.currentIndent -= 1;\n\n\t}\n\n\tsetCurrentProp( val, name ) {\n\n\t\tthis.currentProp = val;\n\t\tthis.currentPropName = name;\n\n\t}\n\n\tparse( text ) {\n\n\t\tthis.currentIndent = 0;\n\n\t\tthis.allNodes = new FBXTree();\n\t\tthis.nodeStack = [];\n\t\tthis.currentProp = [];\n\t\tthis.currentPropName = '';\n\n\t\tconst scope = this;\n\n\t\tconst split = text.split( /[\\r\\n]+/ );\n\n\t\tsplit.forEach( function ( line, i ) {\n\n\t\t\tconst matchComment = line.match( /^[\\s\\t]*;/ );\n\t\t\tconst matchEmpty = line.match( /^[\\s\\t]*$/ );\n\n\t\t\tif ( matchComment || matchEmpty ) return;\n\n\t\t\tconst matchBeginning = line.match( '^\\\\t{' + scope.currentIndent + '}(\\\\w+):(.*){', '' );\n\t\t\tconst matchProperty = line.match( '^\\\\t{' + ( scope.currentIndent ) + '}(\\\\w+):[\\\\s\\\\t\\\\r\\\\n](.*)' );\n\t\t\tconst matchEnd = line.match( '^\\\\t{' + ( scope.currentIndent - 1 ) + '}}' );\n\n\t\t\tif ( matchBeginning ) {\n\n\t\t\t\tscope.parseNodeBegin( line, matchBeginning );\n\n\t\t\t} else if ( matchProperty ) {\n\n\t\t\t\tscope.parseNodeProperty( line, matchProperty, split[ ++ i ] );\n\n\t\t\t} else if ( matchEnd ) {\n\n\t\t\t\tscope.popStack();\n\n\t\t\t} else if ( line.match( /^[^\\s\\t}]/ ) ) {\n\n\t\t\t\t// large arrays are split over multiple lines terminated with a ',' character\n\t\t\t\t// if this is encountered the line needs to be joined to the previous line\n\t\t\t\tscope.parseNodePropertyContinued( line );\n\n\t\t\t}\n\n\t\t} );\n\n\t\treturn this.allNodes;\n\n\t}\n\n\tparseNodeBegin( line, property ) {\n\n\t\tconst nodeName = property[ 1 ].trim().replace( /^\"/, '' ).replace( /\"$/, '' );\n\n\t\tconst nodeAttrs = property[ 2 ].split( ',' ).map( function ( attr ) {\n\n\t\t\treturn attr.trim().replace( /^\"/, '' ).replace( /\"$/, '' );\n\n\t\t} );\n\n\t\tconst node = { name: nodeName };\n\t\tconst attrs = this.parseNodeAttr( nodeAttrs );\n\n\t\tconst currentNode = this.getCurrentNode();\n\n\t\t// a top node\n\t\tif ( this.currentIndent === 0 ) {\n\n\t\t\tthis.allNodes.add( nodeName, node );\n\n\t\t} else { // a subnode\n\n\t\t\t// if the subnode already exists, append it\n\t\t\tif ( nodeName in currentNode ) {\n\n\t\t\t\t// special case Pose needs PoseNodes as an array\n\t\t\t\tif ( nodeName === 'PoseNode' ) {\n\n\t\t\t\t\tcurrentNode.PoseNode.push( node );\n\n\t\t\t\t} else if ( currentNode[ nodeName ].id !== undefined ) {\n\n\t\t\t\t\tcurrentNode[ nodeName ] = {};\n\t\t\t\t\tcurrentNode[ nodeName ][ currentNode[ nodeName ].id ] = currentNode[ nodeName ];\n\n\t\t\t\t}\n\n\t\t\t\tif ( attrs.id !== '' ) currentNode[ nodeName ][ attrs.id ] = node;\n\n\t\t\t} else if ( typeof attrs.id === 'number' ) {\n\n\t\t\t\tcurrentNode[ nodeName ] = {};\n\t\t\t\tcurrentNode[ nodeName ][ attrs.id ] = node;\n\n\t\t\t} else if ( nodeName !== 'Properties70' ) {\n\n\t\t\t\tif ( nodeName === 'PoseNode' )\tcurrentNode[ nodeName ] = [ node ];\n\t\t\t\telse currentNode[ nodeName ] = node;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( typeof attrs.id === 'number' ) node.id = attrs.id;\n\t\tif ( attrs.name !== '' ) node.attrName = attrs.name;\n\t\tif ( attrs.type !== '' ) node.attrType = attrs.type;\n\n\t\tthis.pushStack( node );\n\n\t}\n\n\tparseNodeAttr( attrs ) {\n\n\t\tlet id = attrs[ 0 ];\n\n\t\tif ( attrs[ 0 ] !== '' ) {\n\n\t\t\tid = parseInt( attrs[ 0 ] );\n\n\t\t\tif ( isNaN( id ) ) {\n\n\t\t\t\tid = attrs[ 0 ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet name = '', type = '';\n\n\t\tif ( attrs.length > 1 ) {\n\n\t\t\tname = attrs[ 1 ].replace( /^(\\w+)::/, '' );\n\t\t\ttype = attrs[ 2 ];\n\n\t\t}\n\n\t\treturn { id: id, name: name, type: type };\n\n\t}\n\n\tparseNodeProperty( line, property, contentLine ) {\n\n\t\tlet propName = property[ 1 ].replace( /^\"/, '' ).replace( /\"$/, '' ).trim();\n\t\tlet propValue = property[ 2 ].replace( /^\"/, '' ).replace( /\"$/, '' ).trim();\n\n\t\t// for special case: base64 image data follows \"Content: ,\" line\n\t\t//\tContent: ,\n\t\t//\t \"/9j/4RDaRXhpZgAATU0A...\"\n\t\tif ( propName === 'Content' && propValue === ',' ) {\n\n\t\t\tpropValue = contentLine.replace( /\"/g, '' ).replace( /,$/, '' ).trim();\n\n\t\t}\n\n\t\tconst currentNode = this.getCurrentNode();\n\t\tconst parentName = currentNode.name;\n\n\t\tif ( parentName === 'Properties70' ) {\n\n\t\t\tthis.parseNodeSpecialProperty( line, propName, propValue );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Connections\n\t\tif ( propName === 'C' ) {\n\n\t\t\tconst connProps = propValue.split( ',' ).slice( 1 );\n\t\t\tconst from = parseInt( connProps[ 0 ] );\n\t\t\tconst to = parseInt( connProps[ 1 ] );\n\n\t\t\tlet rest = propValue.split( ',' ).slice( 3 );\n\n\t\t\trest = rest.map( function ( elem ) {\n\n\t\t\t\treturn elem.trim().replace( /^\"/, '' );\n\n\t\t\t} );\n\n\t\t\tpropName = 'connections';\n\t\t\tpropValue = [ from, to ];\n\t\t\tappend( propValue, rest );\n\n\t\t\tif ( currentNode[ propName ] === undefined ) {\n\n\t\t\t\tcurrentNode[ propName ] = [];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Node\n\t\tif ( propName === 'Node' ) currentNode.id = propValue;\n\n\t\t// connections\n\t\tif ( propName in currentNode && Array.isArray( currentNode[ propName ] ) ) {\n\n\t\t\tcurrentNode[ propName ].push( propValue );\n\n\t\t} else {\n\n\t\t\tif ( propName !== 'a' ) currentNode[ propName ] = propValue;\n\t\t\telse currentNode.a = propValue;\n\n\t\t}\n\n\t\tthis.setCurrentProp( currentNode, propName );\n\n\t\t// convert string to array, unless it ends in ',' in which case more will be added to it\n\t\tif ( propName === 'a' && propValue.slice( - 1 ) !== ',' ) {\n\n\t\t\tcurrentNode.a = parseNumberArray( propValue );\n\n\t\t}\n\n\t}\n\n\tparseNodePropertyContinued( line ) {\n\n\t\tconst currentNode = this.getCurrentNode();\n\n\t\tcurrentNode.a += line;\n\n\t\t// if the line doesn't end in ',' we have reached the end of the property value\n\t\t// so convert the string to an array\n\t\tif ( line.slice( - 1 ) !== ',' ) {\n\n\t\t\tcurrentNode.a = parseNumberArray( currentNode.a );\n\n\t\t}\n\n\t}\n\n\t// parse \"Property70\"\n\tparseNodeSpecialProperty( line, propName, propValue ) {\n\n\t\t// split this\n\t\t// P: \"Lcl Scaling\", \"Lcl Scaling\", \"\", \"A\",1,1,1\n\t\t// into array like below\n\t\t// [\"Lcl Scaling\", \"Lcl Scaling\", \"\", \"A\", \"1,1,1\" ]\n\t\tconst props = propValue.split( '\",' ).map( function ( prop ) {\n\n\t\t\treturn prop.trim().replace( /^\\\"/, '' ).replace( /\\s/, '_' );\n\n\t\t} );\n\n\t\tconst innerPropName = props[ 0 ];\n\t\tconst innerPropType1 = props[ 1 ];\n\t\tconst innerPropType2 = props[ 2 ];\n\t\tconst innerPropFlag = props[ 3 ];\n\t\tlet innerPropValue = props[ 4 ];\n\n\t\t// cast values where needed, otherwise leave as strings\n\t\tswitch ( innerPropType1 ) {\n\n\t\t\tcase 'int':\n\t\t\tcase 'enum':\n\t\t\tcase 'bool':\n\t\t\tcase 'ULongLong':\n\t\t\tcase 'double':\n\t\t\tcase 'Number':\n\t\t\tcase 'FieldOfView':\n\t\t\t\tinnerPropValue = parseFloat( innerPropValue );\n\t\t\t\tbreak;\n\n\t\t\tcase 'Color':\n\t\t\tcase 'ColorRGB':\n\t\t\tcase 'Vector3D':\n\t\t\tcase 'Lcl_Translation':\n\t\t\tcase 'Lcl_Rotation':\n\t\t\tcase 'Lcl_Scaling':\n\t\t\t\tinnerPropValue = parseNumberArray( innerPropValue );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\t// CAUTION: these props must append to parent's parent\n\t\tthis.getPrevNode()[ innerPropName ] = {\n\n\t\t\t'type': innerPropType1,\n\t\t\t'type2': innerPropType2,\n\t\t\t'flag': innerPropFlag,\n\t\t\t'value': innerPropValue\n\n\t\t};\n\n\t\tthis.setCurrentProp( this.getPrevNode(), innerPropName );\n\n\t}\n\n}\n\n// Parse an FBX file in Binary format\nclass BinaryParser {\n\n\tparse( buffer ) {\n\n\t\tconst reader = new BinaryReader( buffer );\n\t\treader.skip( 23 ); // skip magic 23 bytes\n\n\t\tconst version = reader.getUint32();\n\n\t\tif ( version < 6400 ) {\n\n\t\t\tthrow new Error( 'THREE.FBXLoader: FBX version not supported, FileVersion: ' + version );\n\n\t\t}\n\n\t\tconst allNodes = new FBXTree();\n\n\t\twhile ( ! this.endOfContent( reader ) ) {\n\n\t\t\tconst node = this.parseNode( reader, version );\n\t\t\tif ( node !== null ) allNodes.add( node.name, node );\n\n\t\t}\n\n\t\treturn allNodes;\n\n\t}\n\n\t// Check if reader has reached the end of content.\n\tendOfContent( reader ) {\n\n\t\t// footer size: 160bytes + 16-byte alignment padding\n\t\t// - 16bytes: magic\n\t\t// - padding til 16-byte alignment (at least 1byte?)\n\t\t//\t(seems like some exporters embed fixed 15 or 16bytes?)\n\t\t// - 4bytes: magic\n\t\t// - 4bytes: version\n\t\t// - 120bytes: zero\n\t\t// - 16bytes: magic\n\t\tif ( reader.size() % 16 === 0 ) {\n\n\t\t\treturn ( ( reader.getOffset() + 160 + 16 ) & ~ 0xf ) >= reader.size();\n\n\t\t} else {\n\n\t\t\treturn reader.getOffset() + 160 + 16 >= reader.size();\n\n\t\t}\n\n\t}\n\n\t// recursively parse nodes until the end of the file is reached\n\tparseNode( reader, version ) {\n\n\t\tconst node = {};\n\n\t\t// The first three data sizes depends on version.\n\t\tconst endOffset = ( version >= 7500 ) ? reader.getUint64() : reader.getUint32();\n\t\tconst numProperties = ( version >= 7500 ) ? reader.getUint64() : reader.getUint32();\n\n\t\t( version >= 7500 ) ? reader.getUint64() : reader.getUint32(); // the returned propertyListLen is not used\n\n\t\tconst nameLen = reader.getUint8();\n\t\tconst name = reader.getString( nameLen );\n\n\t\t// Regards this node as NULL-record if endOffset is zero\n\t\tif ( endOffset === 0 ) return null;\n\n\t\tconst propertyList = [];\n\n\t\tfor ( let i = 0; i < numProperties; i ++ ) {\n\n\t\t\tpropertyList.push( this.parseProperty( reader ) );\n\n\t\t}\n\n\t\t// Regards the first three elements in propertyList as id, attrName, and attrType\n\t\tconst id = propertyList.length > 0 ? propertyList[ 0 ] : '';\n\t\tconst attrName = propertyList.length > 1 ? propertyList[ 1 ] : '';\n\t\tconst attrType = propertyList.length > 2 ? propertyList[ 2 ] : '';\n\n\t\t// check if this node represents just a single property\n\t\t// like (name, 0) set or (name2, [0, 1, 2]) set of {name: 0, name2: [0, 1, 2]}\n\t\tnode.singleProperty = ( numProperties === 1 && reader.getOffset() === endOffset ) ? true : false;\n\n\t\twhile ( endOffset > reader.getOffset() ) {\n\n\t\t\tconst subNode = this.parseNode( reader, version );\n\n\t\t\tif ( subNode !== null ) this.parseSubNode( name, node, subNode );\n\n\t\t}\n\n\t\tnode.propertyList = propertyList; // raw property list used by parent\n\n\t\tif ( typeof id === 'number' ) node.id = id;\n\t\tif ( attrName !== '' ) node.attrName = attrName;\n\t\tif ( attrType !== '' ) node.attrType = attrType;\n\t\tif ( name !== '' ) node.name = name;\n\n\t\treturn node;\n\n\t}\n\n\tparseSubNode( name, node, subNode ) {\n\n\t\t// special case: child node is single property\n\t\tif ( subNode.singleProperty === true ) {\n\n\t\t\tconst value = subNode.propertyList[ 0 ];\n\n\t\t\tif ( Array.isArray( value ) ) {\n\n\t\t\t\tnode[ subNode.name ] = subNode;\n\n\t\t\t\tsubNode.a = value;\n\n\t\t\t} else {\n\n\t\t\t\tnode[ subNode.name ] = value;\n\n\t\t\t}\n\n\t\t} else if ( name === 'Connections' && subNode.name === 'C' ) {\n\n\t\t\tconst array = [];\n\n\t\t\tsubNode.propertyList.forEach( function ( property, i ) {\n\n\t\t\t\t// first Connection is FBX type (OO, OP, etc.). We'll discard these\n\t\t\t\tif ( i !== 0 ) array.push( property );\n\n\t\t\t} );\n\n\t\t\tif ( node.connections === undefined ) {\n\n\t\t\t\tnode.connections = [];\n\n\t\t\t}\n\n\t\t\tnode.connections.push( array );\n\n\t\t} else if ( subNode.name === 'Properties70' ) {\n\n\t\t\tconst keys = Object.keys( subNode );\n\n\t\t\tkeys.forEach( function ( key ) {\n\n\t\t\t\tnode[ key ] = subNode[ key ];\n\n\t\t\t} );\n\n\t\t} else if ( name === 'Properties70' && subNode.name === 'P' ) {\n\n\t\t\tlet innerPropName = subNode.propertyList[ 0 ];\n\t\t\tlet innerPropType1 = subNode.propertyList[ 1 ];\n\t\t\tconst innerPropType2 = subNode.propertyList[ 2 ];\n\t\t\tconst innerPropFlag = subNode.propertyList[ 3 ];\n\t\t\tlet innerPropValue;\n\n\t\t\tif ( innerPropName.indexOf( 'Lcl ' ) === 0 ) innerPropName = innerPropName.replace( 'Lcl ', 'Lcl_' );\n\t\t\tif ( innerPropType1.indexOf( 'Lcl ' ) === 0 ) innerPropType1 = innerPropType1.replace( 'Lcl ', 'Lcl_' );\n\n\t\t\tif ( innerPropType1 === 'Color' || innerPropType1 === 'ColorRGB' || innerPropType1 === 'Vector' || innerPropType1 === 'Vector3D' || innerPropType1.indexOf( 'Lcl_' ) === 0 ) {\n\n\t\t\t\tinnerPropValue = [\n\t\t\t\t\tsubNode.propertyList[ 4 ],\n\t\t\t\t\tsubNode.propertyList[ 5 ],\n\t\t\t\t\tsubNode.propertyList[ 6 ]\n\t\t\t\t];\n\n\t\t\t} else {\n\n\t\t\t\tinnerPropValue = subNode.propertyList[ 4 ];\n\n\t\t\t}\n\n\t\t\t// this will be copied to parent, see above\n\t\t\tnode[ innerPropName ] = {\n\n\t\t\t\t'type': innerPropType1,\n\t\t\t\t'type2': innerPropType2,\n\t\t\t\t'flag': innerPropFlag,\n\t\t\t\t'value': innerPropValue\n\n\t\t\t};\n\n\t\t} else if ( node[ subNode.name ] === undefined ) {\n\n\t\t\tif ( typeof subNode.id === 'number' ) {\n\n\t\t\t\tnode[ subNode.name ] = {};\n\t\t\t\tnode[ subNode.name ][ subNode.id ] = subNode;\n\n\t\t\t} else {\n\n\t\t\t\tnode[ subNode.name ] = subNode;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( subNode.name === 'PoseNode' ) {\n\n\t\t\t\tif ( ! Array.isArray( node[ subNode.name ] ) ) {\n\n\t\t\t\t\tnode[ subNode.name ] = [ node[ subNode.name ] ];\n\n\t\t\t\t}\n\n\t\t\t\tnode[ subNode.name ].push( subNode );\n\n\t\t\t} else if ( node[ subNode.name ][ subNode.id ] === undefined ) {\n\n\t\t\t\tnode[ subNode.name ][ subNode.id ] = subNode;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tparseProperty( reader ) {\n\n\t\tconst type = reader.getString( 1 );\n\t\tlet length;\n\n\t\tswitch ( type ) {\n\n\t\t\tcase 'C':\n\t\t\t\treturn reader.getBoolean();\n\n\t\t\tcase 'D':\n\t\t\t\treturn reader.getFloat64();\n\n\t\t\tcase 'F':\n\t\t\t\treturn reader.getFloat32();\n\n\t\t\tcase 'I':\n\t\t\t\treturn reader.getInt32();\n\n\t\t\tcase 'L':\n\t\t\t\treturn reader.getInt64();\n\n\t\t\tcase 'R':\n\t\t\t\tlength = reader.getUint32();\n\t\t\t\treturn reader.getArrayBuffer( length );\n\n\t\t\tcase 'S':\n\t\t\t\tlength = reader.getUint32();\n\t\t\t\treturn reader.getString( length );\n\n\t\t\tcase 'Y':\n\t\t\t\treturn reader.getInt16();\n\n\t\t\tcase 'b':\n\t\t\tcase 'c':\n\t\t\tcase 'd':\n\t\t\tcase 'f':\n\t\t\tcase 'i':\n\t\t\tcase 'l':\n\n\t\t\t\tconst arrayLength = reader.getUint32();\n\t\t\t\tconst encoding = reader.getUint32(); // 0: non-compressed, 1: compressed\n\t\t\t\tconst compressedLength = reader.getUint32();\n\n\t\t\t\tif ( encoding === 0 ) {\n\n\t\t\t\t\tswitch ( type ) {\n\n\t\t\t\t\t\tcase 'b':\n\t\t\t\t\t\tcase 'c':\n\t\t\t\t\t\t\treturn reader.getBooleanArray( arrayLength );\n\n\t\t\t\t\t\tcase 'd':\n\t\t\t\t\t\t\treturn reader.getFloat64Array( arrayLength );\n\n\t\t\t\t\t\tcase 'f':\n\t\t\t\t\t\t\treturn reader.getFloat32Array( arrayLength );\n\n\t\t\t\t\t\tcase 'i':\n\t\t\t\t\t\t\treturn reader.getInt32Array( arrayLength );\n\n\t\t\t\t\t\tcase 'l':\n\t\t\t\t\t\t\treturn reader.getInt64Array( arrayLength );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( typeof fflate === 'undefined' ) {\n\n\t\t\t\t\tconsole.error( 'THREE.FBXLoader: External library fflate.min.js required.' );\n\n\t\t\t\t}\n\n\t\t\t\tconst data = fflate.unzlibSync( new Uint8Array( reader.getArrayBuffer( compressedLength ) ) ); // eslint-disable-line no-undef\n\t\t\t\tconst reader2 = new BinaryReader( data.buffer );\n\n\t\t\t\tswitch ( type ) {\n\n\t\t\t\t\tcase 'b':\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\treturn reader2.getBooleanArray( arrayLength );\n\n\t\t\t\t\tcase 'd':\n\t\t\t\t\t\treturn reader2.getFloat64Array( arrayLength );\n\n\t\t\t\t\tcase 'f':\n\t\t\t\t\t\treturn reader2.getFloat32Array( arrayLength );\n\n\t\t\t\t\tcase 'i':\n\t\t\t\t\t\treturn reader2.getInt32Array( arrayLength );\n\n\t\t\t\t\tcase 'l':\n\t\t\t\t\t\treturn reader2.getInt64Array( arrayLength );\n\n\t\t\t\t}\n\n\t\t\t\tbreak; // cannot happen but is required by the DeepScan\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'THREE.FBXLoader: Unknown property type ' + type );\n\n\t\t}\n\n\t}\n\n}\n\nclass BinaryReader {\n\n\tconstructor( buffer, littleEndian ) {\n\n\t\tthis.dv = new DataView( buffer );\n\t\tthis.offset = 0;\n\t\tthis.littleEndian = ( littleEndian !== undefined ) ? littleEndian : true;\n\n\t}\n\n\tgetOffset() {\n\n\t\treturn this.offset;\n\n\t}\n\n\tsize() {\n\n\t\treturn this.dv.buffer.byteLength;\n\n\t}\n\n\tskip( length ) {\n\n\t\tthis.offset += length;\n\n\t}\n\n\t// seems like true/false representation depends on exporter.\n\t// true: 1 or 'Y'(=0x59), false: 0 or 'T'(=0x54)\n\t// then sees LSB.\n\tgetBoolean() {\n\n\t\treturn ( this.getUint8() & 1 ) === 1;\n\n\t}\n\n\tgetBooleanArray( size ) {\n\n\t\tconst a = [];\n\n\t\tfor ( let i = 0; i < size; i ++ ) {\n\n\t\t\ta.push( this.getBoolean() );\n\n\t\t}\n\n\t\treturn a;\n\n\t}\n\n\tgetUint8() {\n\n\t\tconst value = this.dv.getUint8( this.offset );\n\t\tthis.offset += 1;\n\t\treturn value;\n\n\t}\n\n\tgetInt16() {\n\n\t\tconst value = this.dv.getInt16( this.offset, this.littleEndian );\n\t\tthis.offset += 2;\n\t\treturn value;\n\n\t}\n\n\tgetInt32() {\n\n\t\tconst value = this.dv.getInt32( this.offset, this.littleEndian );\n\t\tthis.offset += 4;\n\t\treturn value;\n\n\t}\n\n\tgetInt32Array( size ) {\n\n\t\tconst a = [];\n\n\t\tfor ( let i = 0; i < size; i ++ ) {\n\n\t\t\ta.push( this.getInt32() );\n\n\t\t}\n\n\t\treturn a;\n\n\t}\n\n\tgetUint32() {\n\n\t\tconst value = this.dv.getUint32( this.offset, this.littleEndian );\n\t\tthis.offset += 4;\n\t\treturn value;\n\n\t}\n\n\t// JavaScript doesn't support 64-bit integer so calculate this here\n\t// 1 << 32 will return 1 so using multiply operation instead here.\n\t// There's a possibility that this method returns wrong value if the value\n\t// is out of the range between Number.MAX_SAFE_INTEGER and Number.MIN_SAFE_INTEGER.\n\t// TODO: safely handle 64-bit integer\n\tgetInt64() {\n\n\t\tlet low, high;\n\n\t\tif ( this.littleEndian ) {\n\n\t\t\tlow = this.getUint32();\n\t\t\thigh = this.getUint32();\n\n\t\t} else {\n\n\t\t\thigh = this.getUint32();\n\t\t\tlow = this.getUint32();\n\n\t\t}\n\n\t\t// calculate negative value\n\t\tif ( high & 0x80000000 ) {\n\n\t\t\thigh = ~ high & 0xFFFFFFFF;\n\t\t\tlow = ~ low & 0xFFFFFFFF;\n\n\t\t\tif ( low === 0xFFFFFFFF ) high = ( high + 1 ) & 0xFFFFFFFF;\n\n\t\t\tlow = ( low + 1 ) & 0xFFFFFFFF;\n\n\t\t\treturn - ( high * 0x100000000 + low );\n\n\t\t}\n\n\t\treturn high * 0x100000000 + low;\n\n\t}\n\n\tgetInt64Array( size ) {\n\n\t\tconst a = [];\n\n\t\tfor ( let i = 0; i < size; i ++ ) {\n\n\t\t\ta.push( this.getInt64() );\n\n\t\t}\n\n\t\treturn a;\n\n\t}\n\n\t// Note: see getInt64() comment\n\tgetUint64() {\n\n\t\tlet low, high;\n\n\t\tif ( this.littleEndian ) {\n\n\t\t\tlow = this.getUint32();\n\t\t\thigh = this.getUint32();\n\n\t\t} else {\n\n\t\t\thigh = this.getUint32();\n\t\t\tlow = this.getUint32();\n\n\t\t}\n\n\t\treturn high * 0x100000000 + low;\n\n\t}\n\n\tgetFloat32() {\n\n\t\tconst value = this.dv.getFloat32( this.offset, this.littleEndian );\n\t\tthis.offset += 4;\n\t\treturn value;\n\n\t}\n\n\tgetFloat32Array( size ) {\n\n\t\tconst a = [];\n\n\t\tfor ( let i = 0; i < size; i ++ ) {\n\n\t\t\ta.push( this.getFloat32() );\n\n\t\t}\n\n\t\treturn a;\n\n\t}\n\n\tgetFloat64() {\n\n\t\tconst value = this.dv.getFloat64( this.offset, this.littleEndian );\n\t\tthis.offset += 8;\n\t\treturn value;\n\n\t}\n\n\tgetFloat64Array( size ) {\n\n\t\tconst a = [];\n\n\t\tfor ( let i = 0; i < size; i ++ ) {\n\n\t\t\ta.push( this.getFloat64() );\n\n\t\t}\n\n\t\treturn a;\n\n\t}\n\n\tgetArrayBuffer( size ) {\n\n\t\tconst value = this.dv.buffer.slice( this.offset, this.offset + size );\n\t\tthis.offset += size;\n\t\treturn value;\n\n\t}\n\n\tgetString( size ) {\n\n\t\t// note: safari 9 doesn't support Uint8Array.indexOf; create intermediate array instead\n\t\tlet a = [];\n\n\t\tfor ( let i = 0; i < size; i ++ ) {\n\n\t\t\ta[ i ] = this.getUint8();\n\n\t\t}\n\n\t\tconst nullByte = a.indexOf( 0 );\n\t\tif ( nullByte >= 0 ) a = a.slice( 0, nullByte );\n\n\t\treturn LoaderUtils.decodeText( new Uint8Array( a ) );\n\n\t}\n\n}\n\n// FBXTree holds a representation of the FBX data, returned by the TextParser ( FBX ASCII format)\n// and BinaryParser( FBX Binary format)\nclass FBXTree {\n\n\tadd( key, val ) {\n\n\t\tthis[ key ] = val;\n\n\t}\n\n}\n\n// ************** UTILITY FUNCTIONS **************\n\nfunction isFbxFormatBinary( buffer ) {\n\n\tconst CORRECT = 'Kaydara\\u0020FBX\\u0020Binary\\u0020\\u0020\\0';\n\n\treturn buffer.byteLength >= CORRECT.length && CORRECT === convertArrayBufferToString( buffer, 0, CORRECT.length );\n\n}\n\nfunction isFbxFormatASCII( text ) {\n\n\tconst CORRECT = [ 'K', 'a', 'y', 'd', 'a', 'r', 'a', '\\\\', 'F', 'B', 'X', '\\\\', 'B', 'i', 'n', 'a', 'r', 'y', '\\\\', '\\\\' ];\n\n\tlet cursor = 0;\n\n\tfunction read( offset ) {\n\n\t\tconst result = text[ offset - 1 ];\n\t\ttext = text.slice( cursor + offset );\n\t\tcursor ++;\n\t\treturn result;\n\n\t}\n\n\tfor ( let i = 0; i < CORRECT.length; ++ i ) {\n\n\t\tconst num = read( 1 );\n\t\tif ( num === CORRECT[ i ] ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nfunction getFbxVersion( text ) {\n\n\tconst versionRegExp = /FBXVersion: (\\d+)/;\n\tconst match = text.match( versionRegExp );\n\n\tif ( match ) {\n\n\t\tconst version = parseInt( match[ 1 ] );\n\t\treturn version;\n\n\t}\n\n\tthrow new Error( 'THREE.FBXLoader: Cannot find the version number for the file given.' );\n\n}\n\n// Converts FBX ticks into real time seconds.\nfunction convertFBXTimeToSeconds( time ) {\n\n\treturn time / 46186158000;\n\n}\n\nconst dataArray = [];\n\n// extracts the data from the correct position in the FBX array based on indexing type\nfunction getData( polygonVertexIndex, polygonIndex, vertexIndex, infoObject ) {\n\n\tlet index;\n\n\tswitch ( infoObject.mappingType ) {\n\n\t\tcase 'ByPolygonVertex' :\n\t\t\tindex = polygonVertexIndex;\n\t\t\tbreak;\n\t\tcase 'ByPolygon' :\n\t\t\tindex = polygonIndex;\n\t\t\tbreak;\n\t\tcase 'ByVertice' :\n\t\t\tindex = vertexIndex;\n\t\t\tbreak;\n\t\tcase 'AllSame' :\n\t\t\tindex = infoObject.indices[ 0 ];\n\t\t\tbreak;\n\t\tdefault :\n\t\t\tconsole.warn( 'THREE.FBXLoader: unknown attribute mapping type ' + infoObject.mappingType );\n\n\t}\n\n\tif ( infoObject.referenceType === 'IndexToDirect' ) index = infoObject.indices[ index ];\n\n\tconst from = index * infoObject.dataSize;\n\tconst to = from + infoObject.dataSize;\n\n\treturn slice( dataArray, infoObject.buffer, from, to );\n\n}\n\nconst tempEuler = new Euler();\nconst tempVec = new Vector3();\n\n// generate transformation from FBX transform data\n// ref: https://help.autodesk.com/view/FBX/2017/ENU/?guid=__files_GUID_10CDD63C_79C1_4F2D_BB28_AD2BE65A02ED_htm\n// ref: http://docs.autodesk.com/FBX/2014/ENU/FBX-SDK-Documentation/index.html?url=cpp_ref/_transformations_2main_8cxx-example.html,topicNumber=cpp_ref__transformations_2main_8cxx_example_htmlfc10a1e1-b18d-4e72-9dc0-70d0f1959f5e\nfunction generateTransform( transformData ) {\n\n\tconst lTranslationM = new Matrix4();\n\tconst lPreRotationM = new Matrix4();\n\tconst lRotationM = new Matrix4();\n\tconst lPostRotationM = new Matrix4();\n\n\tconst lScalingM = new Matrix4();\n\tconst lScalingPivotM = new Matrix4();\n\tconst lScalingOffsetM = new Matrix4();\n\tconst lRotationOffsetM = new Matrix4();\n\tconst lRotationPivotM = new Matrix4();\n\n\tconst lParentGX = new Matrix4();\n\tconst lParentLX = new Matrix4();\n\tconst lGlobalT = new Matrix4();\n\n\tconst inheritType = ( transformData.inheritType ) ? transformData.inheritType : 0;\n\n\tif ( transformData.translation ) lTranslationM.setPosition( tempVec.fromArray( transformData.translation ) );\n\n\tif ( transformData.preRotation ) {\n\n\t\tconst array = transformData.preRotation.map( MathUtils.degToRad );\n\t\tarray.push( transformData.eulerOrder );\n\t\tlPreRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) );\n\n\t}\n\n\tif ( transformData.rotation ) {\n\n\t\tconst array = transformData.rotation.map( MathUtils.degToRad );\n\t\tarray.push( transformData.eulerOrder );\n\t\tlRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) );\n\n\t}\n\n\tif ( transformData.postRotation ) {\n\n\t\tconst array = transformData.postRotation.map( MathUtils.degToRad );\n\t\tarray.push( transformData.eulerOrder );\n\t\tlPostRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) );\n\t\tlPostRotationM.invert();\n\n\t}\n\n\tif ( transformData.scale ) lScalingM.scale( tempVec.fromArray( transformData.scale ) );\n\n\t// Pivots and offsets\n\tif ( transformData.scalingOffset ) lScalingOffsetM.setPosition( tempVec.fromArray( transformData.scalingOffset ) );\n\tif ( transformData.scalingPivot ) lScalingPivotM.setPosition( tempVec.fromArray( transformData.scalingPivot ) );\n\tif ( transformData.rotationOffset ) lRotationOffsetM.setPosition( tempVec.fromArray( transformData.rotationOffset ) );\n\tif ( transformData.rotationPivot ) lRotationPivotM.setPosition( tempVec.fromArray( transformData.rotationPivot ) );\n\n\t// parent transform\n\tif ( transformData.parentMatrixWorld ) {\n\n\t\tlParentLX.copy( transformData.parentMatrix );\n\t\tlParentGX.copy( transformData.parentMatrixWorld );\n\n\t}\n\n\tconst lLRM = lPreRotationM.clone().multiply( lRotationM ).multiply( lPostRotationM );\n\t// Global Rotation\n\tconst lParentGRM = new Matrix4();\n\tlParentGRM.extractRotation( lParentGX );\n\n\t// Global Shear*Scaling\n\tconst lParentTM = new Matrix4();\n\tlParentTM.copyPosition( lParentGX );\n\n\tconst lParentGRSM = lParentTM.clone().invert().multiply( lParentGX );\n\tconst lParentGSM = lParentGRM.clone().invert().multiply( lParentGRSM );\n\tconst lLSM = lScalingM;\n\n\tconst lGlobalRS = new Matrix4();\n\n\tif ( inheritType === 0 ) {\n\n\t\tlGlobalRS.copy( lParentGRM ).multiply( lLRM ).multiply( lParentGSM ).multiply( lLSM );\n\n\t} else if ( inheritType === 1 ) {\n\n\t\tlGlobalRS.copy( lParentGRM ).multiply( lParentGSM ).multiply( lLRM ).multiply( lLSM );\n\n\t} else {\n\n\t\tconst lParentLSM = new Matrix4().scale( new Vector3().setFromMatrixScale( lParentLX ) );\n\t\tconst lParentLSM_inv = lParentLSM.clone().invert();\n\t\tconst lParentGSM_noLocal = lParentGSM.clone().multiply( lParentLSM_inv );\n\n\t\tlGlobalRS.copy( lParentGRM ).multiply( lLRM ).multiply( lParentGSM_noLocal ).multiply( lLSM );\n\n\t}\n\n\tconst lRotationPivotM_inv = lRotationPivotM.clone().invert();\n\tconst lScalingPivotM_inv = lScalingPivotM.clone().invert();\n\t// Calculate the local transform matrix\n\tlet lTransform = lTranslationM.clone().multiply( lRotationOffsetM ).multiply( lRotationPivotM ).multiply( lPreRotationM ).multiply( lRotationM ).multiply( lPostRotationM ).multiply( lRotationPivotM_inv ).multiply( lScalingOffsetM ).multiply( lScalingPivotM ).multiply( lScalingM ).multiply( lScalingPivotM_inv );\n\n\tconst lLocalTWithAllPivotAndOffsetInfo = new Matrix4().copyPosition( lTransform );\n\n\tconst lGlobalTranslation = lParentGX.clone().multiply( lLocalTWithAllPivotAndOffsetInfo );\n\tlGlobalT.copyPosition( lGlobalTranslation );\n\n\tlTransform = lGlobalT.clone().multiply( lGlobalRS );\n\n\t// from global to local\n\tlTransform.premultiply( lParentGX.invert() );\n\n\treturn lTransform;\n\n}\n\n// Returns the three.js intrinsic Euler order corresponding to FBX extrinsic Euler order\n// ref: http://help.autodesk.com/view/FBX/2017/ENU/?guid=__cpp_ref_class_fbx_euler_html\nfunction getEulerOrder( order ) {\n\n\torder = order || 0;\n\n\tconst enums = [\n\t\t'ZYX', // -> XYZ extrinsic\n\t\t'YZX', // -> XZY extrinsic\n\t\t'XZY', // -> YZX extrinsic\n\t\t'ZXY', // -> YXZ extrinsic\n\t\t'YXZ', // -> ZXY extrinsic\n\t\t'XYZ', // -> ZYX extrinsic\n\t\t//'SphericXYZ', // not possible to support\n\t];\n\n\tif ( order === 6 ) {\n\n\t\tconsole.warn( 'THREE.FBXLoader: unsupported Euler Order: Spherical XYZ. Animations and rotations may be incorrect.' );\n\t\treturn enums[ 0 ];\n\n\t}\n\n\treturn enums[ order ];\n\n}\n\n// Parses comma separated list of numbers and returns them an array.\n// Used internally by the TextParser\nfunction parseNumberArray( value ) {\n\n\tconst array = value.split( ',' ).map( function ( val ) {\n\n\t\treturn parseFloat( val );\n\n\t} );\n\n\treturn array;\n\n}\n\nfunction convertArrayBufferToString( buffer, from, to ) {\n\n\tif ( from === undefined ) from = 0;\n\tif ( to === undefined ) to = buffer.byteLength;\n\n\treturn LoaderUtils.decodeText( new Uint8Array( buffer, from, to ) );\n\n}\n\nfunction append( a, b ) {\n\n\tfor ( let i = 0, j = a.length, l = b.length; i < l; i ++, j ++ ) {\n\n\t\ta[ j ] = b[ i ];\n\n\t}\n\n}\n\nfunction slice( a, b, from, to ) {\n\n\tfor ( let i = from, j = 0; i < to; i ++, j ++ ) {\n\n\t\ta[ j ] = b[ i ];\n\n\t}\n\n\treturn a;\n\n}\n\n// inject array a2 into array a1 at index\nfunction inject( a1, index, a2 ) {\n\n\treturn a1.slice( 0, index ).concat( a2 ).concat( a1.slice( index ) );\n\n}\n\nexport { FBXLoader };\n","import {\n\tFileLoader,\n\tLoader,\n\tShapePath\n} from 'three';\n\nclass FontLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t}\n\n\t\t\tconst font = scope.parse( json );\n\n\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\treturn new Font( json );\n\n\t}\n\n}\n\n//\n\nclass Font {\n\n\tconstructor( data ) {\n\n\t\tthis.isFont = true;\n\n\t\tthis.type = 'Font';\n\n\t\tthis.data = data;\n\n\t}\n\n\tgenerateShapes( text, size = 100 ) {\n\n\t\tconst shapes = [];\n\t\tconst paths = createPaths( text, size, this.data );\n\n\t\tfor ( let p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\tshapes.push( ...paths[ p ].toShapes() );\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nfunction createPaths( text, size, data ) {\n\n\tconst chars = Array.from( text );\n\tconst scale = size / data.resolution;\n\tconst line_height = ( data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness ) * scale;\n\n\tconst paths = [];\n\n\tlet offsetX = 0, offsetY = 0;\n\n\tfor ( let i = 0; i < chars.length; i ++ ) {\n\n\t\tconst char = chars[ i ];\n\n\t\tif ( char === '\\n' ) {\n\n\t\t\toffsetX = 0;\n\t\t\toffsetY -= line_height;\n\n\t\t} else {\n\n\t\t\tconst ret = createPath( char, scale, offsetX, offsetY, data );\n\t\t\toffsetX += ret.offsetX;\n\t\t\tpaths.push( ret.path );\n\n\t\t}\n\n\t}\n\n\treturn paths;\n\n}\n\nfunction createPath( char, scale, offsetX, offsetY, data ) {\n\n\tconst glyph = data.glyphs[ char ] || data.glyphs[ '?' ];\n\n\tif ( ! glyph ) {\n\n\t\tconsole.error( 'THREE.Font: character \"' + char + '\" does not exists in font family ' + data.familyName + '.' );\n\n\t\treturn;\n\n\t}\n\n\tconst path = new ShapePath();\n\n\tlet x, y, cpx, cpy, cpx1, cpy1, cpx2, cpy2;\n\n\tif ( glyph.o ) {\n\n\t\tconst outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\tfor ( let i = 0, l = outline.length; i < l; ) {\n\n\t\t\tconst action = outline[ i ++ ];\n\n\t\t\tswitch ( action ) {\n\n\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\tx = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\ty = outline[ i ++ ] * scale + offsetY;\n\n\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\tx = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\ty = outline[ i ++ ] * scale + offsetY;\n\n\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\tcpx = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy = outline[ i ++ ] * scale + offsetY;\n\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy1 = outline[ i ++ ] * scale + offsetY;\n\n\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\tcpx = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy = outline[ i ++ ] * scale + offsetY;\n\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy1 = outline[ i ++ ] * scale + offsetY;\n\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy2 = outline[ i ++ ] * scale + offsetY;\n\n\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn { offsetX: glyph.ha * scale, path: path };\n\n}\n\nexport { FontLoader, Font };\n","import {\n\tAnimationClip,\n\tBone,\n\tBox3,\n\tBufferAttribute,\n\tBufferGeometry,\n\tClampToEdgeWrapping,\n\tColor,\n\tDirectionalLight,\n\tDoubleSide,\n\tFileLoader,\n\tFrontSide,\n\tGroup,\n\tImageBitmapLoader,\n\tInterleavedBuffer,\n\tInterleavedBufferAttribute,\n\tInterpolant,\n\tInterpolateDiscrete,\n\tInterpolateLinear,\n\tLine,\n\tLineBasicMaterial,\n\tLineLoop,\n\tLineSegments,\n\tLinearFilter,\n\tLinearMipmapLinearFilter,\n\tLinearMipmapNearestFilter,\n\tLoader,\n\tLoaderUtils,\n\tMaterial,\n\tMathUtils,\n\tMatrix4,\n\tMesh,\n\tMeshBasicMaterial,\n\tMeshPhysicalMaterial,\n\tMeshStandardMaterial,\n\tMirroredRepeatWrapping,\n\tNearestFilter,\n\tNearestMipmapLinearFilter,\n\tNearestMipmapNearestFilter,\n\tNumberKeyframeTrack,\n\tObject3D,\n\tOrthographicCamera,\n\tPerspectiveCamera,\n\tPointLight,\n\tPoints,\n\tPointsMaterial,\n\tPropertyBinding,\n\tQuaternion,\n\tQuaternionKeyframeTrack,\n\tRepeatWrapping,\n\tSkeleton,\n\tSkinnedMesh,\n\tSphere,\n\tSpotLight,\n\tTangentSpaceNormalMap,\n\tTexture,\n\tTextureLoader,\n\tTriangleFanDrawMode,\n\tTriangleStripDrawMode,\n\tVector2,\n\tVector3,\n\tVectorKeyframeTrack,\n\tsRGBEncoding\n} from 'three';\n\nclass GLTFLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.dracoLoader = null;\n\t\tthis.ktx2Loader = null;\n\t\tthis.meshoptDecoder = null;\n\n\t\tthis.pluginCallbacks = [];\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsClearcoatExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFTextureBasisUExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFTextureWebPExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsSheenExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsTransmissionExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsVolumeExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsIorExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsEmissiveStrengthExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsSpecularExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsIridescenceExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFLightsExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMeshoptCompression( parser );\n\n\t\t} );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet resourcePath;\n\n\t\tif ( this.resourcePath !== '' ) {\n\n\t\t\tresourcePath = this.resourcePath;\n\n\t\t} else if ( this.path !== '' ) {\n\n\t\t\tresourcePath = this.path;\n\n\t\t} else {\n\n\t\t\tresourcePath = LoaderUtils.extractUrlBase( url );\n\n\t\t}\n\n\t\t// Tells the LoadingManager to track an extra item, which resolves after\n\t\t// the model is fully loaded. This means the count of items loaded will\n\t\t// be incorrect, but ensures manager.onLoad() does not fire early.\n\t\tthis.manager.itemStart( url );\n\n\t\tconst _onError = function ( e ) {\n\n\t\t\tif ( onError ) {\n\n\t\t\t\tonError( e );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( e );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t};\n\n\t\tconst loader = new FileLoader( this.manager );\n\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tloader.load( url, function ( data ) {\n\n\t\t\ttry {\n\n\t\t\t\tscope.parse( data, resourcePath, function ( gltf ) {\n\n\t\t\t\t\tonLoad( gltf );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, _onError );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\t_onError( e );\n\n\t\t\t}\n\n\t\t}, onProgress, _onError );\n\n\t}\n\n\tsetDRACOLoader( dracoLoader ) {\n\n\t\tthis.dracoLoader = dracoLoader;\n\t\treturn this;\n\n\t}\n\n\tsetDDSLoader() {\n\n\t\tthrow new Error(\n\n\t\t\t'THREE.GLTFLoader: \"MSFT_texture_dds\" no longer supported. Please update to \"KHR_texture_basisu\".'\n\n\t\t);\n\n\t}\n\n\tsetKTX2Loader( ktx2Loader ) {\n\n\t\tthis.ktx2Loader = ktx2Loader;\n\t\treturn this;\n\n\t}\n\n\tsetMeshoptDecoder( meshoptDecoder ) {\n\n\t\tthis.meshoptDecoder = meshoptDecoder;\n\t\treturn this;\n\n\t}\n\n\tregister( callback ) {\n\n\t\tif ( this.pluginCallbacks.indexOf( callback ) === - 1 ) {\n\n\t\t\tthis.pluginCallbacks.push( callback );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunregister( callback ) {\n\n\t\tif ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) {\n\n\t\t\tthis.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tparse( data, path, onLoad, onError ) {\n\n\t\tlet content;\n\t\tconst extensions = {};\n\t\tconst plugins = {};\n\n\t\tif ( typeof data === 'string' ) {\n\n\t\t\tcontent = data;\n\n\t\t} else {\n\n\t\t\tconst magic = LoaderUtils.decodeText( new Uint8Array( data, 0, 4 ) );\n\n\t\t\tif ( magic === BINARY_EXTENSION_HEADER_MAGIC ) {\n\n\t\t\t\ttry {\n\n\t\t\t\t\textensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\tif ( onError ) onError( error );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tcontent = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content;\n\n\t\t\t} else {\n\n\t\t\t\tcontent = LoaderUtils.decodeText( new Uint8Array( data ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst json = JSON.parse( content );\n\n\t\tif ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) {\n\n\t\t\tif ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.' ) );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst parser = new GLTFParser( json, {\n\n\t\t\tpath: path || this.resourcePath || '',\n\t\t\tcrossOrigin: this.crossOrigin,\n\t\t\trequestHeader: this.requestHeader,\n\t\t\tmanager: this.manager,\n\t\t\tktx2Loader: this.ktx2Loader,\n\t\t\tmeshoptDecoder: this.meshoptDecoder\n\n\t\t} );\n\n\t\tparser.fileLoader.setRequestHeader( this.requestHeader );\n\n\t\tfor ( let i = 0; i < this.pluginCallbacks.length; i ++ ) {\n\n\t\t\tconst plugin = this.pluginCallbacks[ i ]( parser );\n\t\t\tplugins[ plugin.name ] = plugin;\n\n\t\t\t// Workaround to avoid determining as unknown extension\n\t\t\t// in addUnknownExtensionsToUserData().\n\t\t\t// Remove this workaround if we move all the existing\n\t\t\t// extension handlers to plugin system\n\t\t\textensions[ plugin.name ] = true;\n\n\t\t}\n\n\t\tif ( json.extensionsUsed ) {\n\n\t\t\tfor ( let i = 0; i < json.extensionsUsed.length; ++ i ) {\n\n\t\t\t\tconst extensionName = json.extensionsUsed[ i ];\n\t\t\t\tconst extensionsRequired = json.extensionsRequired || [];\n\n\t\t\t\tswitch ( extensionName ) {\n\n\t\t\t\t\tcase EXTENSIONS.KHR_MATERIALS_UNLIT:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFMaterialsUnlitExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFMaterialsPbrSpecularGlossinessExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_TEXTURE_TRANSFORM:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFTextureTransformExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_MESH_QUANTIZATION:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFMeshQuantizationExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( extensionsRequired.indexOf( extensionName ) >= 0 && plugins[ extensionName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Unknown extension \"' + extensionName + '\".' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tparser.setExtensions( extensions );\n\t\tparser.setPlugins( plugins );\n\t\tparser.parse( onLoad, onError );\n\n\t}\n\n\tparseAsync( data, path ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.parse( data, path, resolve, reject );\n\n\t\t} );\n\n\t}\n\n}\n\n/* GLTFREGISTRY */\n\nfunction GLTFRegistry() {\n\n\tlet objects = {};\n\n\treturn\t{\n\n\t\tget: function ( key ) {\n\n\t\t\treturn objects[ key ];\n\n\t\t},\n\n\t\tadd: function ( key, object ) {\n\n\t\t\tobjects[ key ] = object;\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete objects[ key ];\n\n\t\t},\n\n\t\tremoveAll: function () {\n\n\t\t\tobjects = {};\n\n\t\t}\n\n\t};\n\n}\n\n/*********************************/\n/********** EXTENSIONS ***********/\n/*********************************/\n\nconst EXTENSIONS = {\n\tKHR_BINARY_GLTF: 'KHR_binary_glTF',\n\tKHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',\n\tKHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',\n\tKHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat',\n\tKHR_MATERIALS_IOR: 'KHR_materials_ior',\n\tKHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',\n\tKHR_MATERIALS_SHEEN: 'KHR_materials_sheen',\n\tKHR_MATERIALS_SPECULAR: 'KHR_materials_specular',\n\tKHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission',\n\tKHR_MATERIALS_IRIDESCENCE: 'KHR_materials_iridescence',\n\tKHR_MATERIALS_UNLIT: 'KHR_materials_unlit',\n\tKHR_MATERIALS_VOLUME: 'KHR_materials_volume',\n\tKHR_TEXTURE_BASISU: 'KHR_texture_basisu',\n\tKHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',\n\tKHR_MESH_QUANTIZATION: 'KHR_mesh_quantization',\n\tKHR_MATERIALS_EMISSIVE_STRENGTH: 'KHR_materials_emissive_strength',\n\tEXT_TEXTURE_WEBP: 'EXT_texture_webp',\n\tEXT_MESHOPT_COMPRESSION: 'EXT_meshopt_compression'\n};\n\n/**\n * Punctual Lights Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual\n */\nclass GLTFLightsExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL;\n\n\t\t// Object3D instance caches\n\t\tthis.cache = { refs: {}, uses: {} };\n\n\t}\n\n\t_markDefs() {\n\n\t\tconst parser = this.parser;\n\t\tconst nodeDefs = this.parser.json.nodes || [];\n\n\t\tfor ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {\n\n\t\t\tconst nodeDef = nodeDefs[ nodeIndex ];\n\n\t\t\tif ( nodeDef.extensions\n\t\t\t\t\t&& nodeDef.extensions[ this.name ]\n\t\t\t\t\t&& nodeDef.extensions[ this.name ].light !== undefined ) {\n\n\t\t\t\tparser._addNodeRef( this.cache, nodeDef.extensions[ this.name ].light );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_loadLight( lightIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst cacheKey = 'light:' + lightIndex;\n\t\tlet dependency = parser.cache.get( cacheKey );\n\n\t\tif ( dependency ) return dependency;\n\n\t\tconst json = parser.json;\n\t\tconst extensions = ( json.extensions && json.extensions[ this.name ] ) || {};\n\t\tconst lightDefs = extensions.lights || [];\n\t\tconst lightDef = lightDefs[ lightIndex ];\n\t\tlet lightNode;\n\n\t\tconst color = new Color( 0xffffff );\n\n\t\tif ( lightDef.color !== undefined ) color.fromArray( lightDef.color );\n\n\t\tconst range = lightDef.range !== undefined ? lightDef.range : 0;\n\n\t\tswitch ( lightDef.type ) {\n\n\t\t\tcase 'directional':\n\t\t\t\tlightNode = new DirectionalLight( color );\n\t\t\t\tlightNode.target.position.set( 0, 0, - 1 );\n\t\t\t\tlightNode.add( lightNode.target );\n\t\t\t\tbreak;\n\n\t\t\tcase 'point':\n\t\t\t\tlightNode = new PointLight( color );\n\t\t\t\tlightNode.distance = range;\n\t\t\t\tbreak;\n\n\t\t\tcase 'spot':\n\t\t\t\tlightNode = new SpotLight( color );\n\t\t\t\tlightNode.distance = range;\n\t\t\t\t// Handle spotlight properties.\n\t\t\t\tlightDef.spot = lightDef.spot || {};\n\t\t\t\tlightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;\n\t\t\t\tlightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;\n\t\t\t\tlightNode.angle = lightDef.spot.outerConeAngle;\n\t\t\t\tlightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;\n\t\t\t\tlightNode.target.position.set( 0, 0, - 1 );\n\t\t\t\tlightNode.add( lightNode.target );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: Unexpected light type: ' + lightDef.type );\n\n\t\t}\n\n\t\t// Some lights (e.g. spot) default to a position other than the origin. Reset the position\n\t\t// here, because node-level parsing will only override position if explicitly specified.\n\t\tlightNode.position.set( 0, 0, 0 );\n\n\t\tlightNode.decay = 2;\n\n\t\tif ( lightDef.intensity !== undefined ) lightNode.intensity = lightDef.intensity;\n\n\t\tlightNode.name = parser.createUniqueName( lightDef.name || ( 'light_' + lightIndex ) );\n\n\t\tdependency = Promise.resolve( lightNode );\n\n\t\tparser.cache.add( cacheKey, dependency );\n\n\t\treturn dependency;\n\n\t}\n\n\tcreateNodeAttachment( nodeIndex ) {\n\n\t\tconst self = this;\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\t\tconst lightDef = ( nodeDef.extensions && nodeDef.extensions[ this.name ] ) || {};\n\t\tconst lightIndex = lightDef.light;\n\n\t\tif ( lightIndex === undefined ) return null;\n\n\t\treturn this._loadLight( lightIndex ).then( function ( light ) {\n\n\t\t\treturn parser._getNodeRef( self.cache, lightIndex, light );\n\n\t\t} );\n\n\t}\n\n}\n\n/**\n * Unlit Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit\n */\nclass GLTFMaterialsUnlitExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_UNLIT;\n\n\t}\n\n\tgetMaterialType() {\n\n\t\treturn MeshBasicMaterial;\n\n\t}\n\n\textendParams( materialParams, materialDef, parser ) {\n\n\t\tconst pending = [];\n\n\t\tmaterialParams.color = new Color( 1.0, 1.0, 1.0 );\n\t\tmaterialParams.opacity = 1.0;\n\n\t\tconst metallicRoughness = materialDef.pbrMetallicRoughness;\n\n\t\tif ( metallicRoughness ) {\n\n\t\t\tif ( Array.isArray( metallicRoughness.baseColorFactor ) ) {\n\n\t\t\t\tconst array = metallicRoughness.baseColorFactor;\n\n\t\t\t\tmaterialParams.color.fromArray( array );\n\t\t\t\tmaterialParams.opacity = array[ 3 ];\n\n\t\t\t}\n\n\t\t\tif ( metallicRoughness.baseColorTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, sRGBEncoding ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials Emissive Strength Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/blob/5768b3ce0ef32bc39cdf1bef10b948586635ead3/extensions/2.0/Khronos/KHR_materials_emissive_strength/README.md\n */\nclass GLTFMaterialsEmissiveStrengthExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_EMISSIVE_STRENGTH;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst emissiveStrength = materialDef.extensions[ this.name ].emissiveStrength;\n\n\t\tif ( emissiveStrength !== undefined ) {\n\n\t\t\tmaterialParams.emissiveIntensity = emissiveStrength;\n\n\t\t}\n\n\t\treturn Promise.resolve();\n\n\t}\n\n}\n\n/**\n * Clearcoat Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat\n */\nclass GLTFMaterialsClearcoatExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.clearcoatFactor !== undefined ) {\n\n\t\t\tmaterialParams.clearcoat = extension.clearcoatFactor;\n\n\t\t}\n\n\t\tif ( extension.clearcoatTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatMap', extension.clearcoatTexture ) );\n\n\t\t}\n\n\t\tif ( extension.clearcoatRoughnessFactor !== undefined ) {\n\n\t\t\tmaterialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor;\n\n\t\t}\n\n\t\tif ( extension.clearcoatRoughnessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture ) );\n\n\t\t}\n\n\t\tif ( extension.clearcoatNormalTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture ) );\n\n\t\t\tif ( extension.clearcoatNormalTexture.scale !== undefined ) {\n\n\t\t\t\tconst scale = extension.clearcoatNormalTexture.scale;\n\n\t\t\t\tmaterialParams.clearcoatNormalScale = new Vector2( scale, scale );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Iridescence Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_iridescence\n */\nclass GLTFMaterialsIridescenceExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_IRIDESCENCE;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.iridescenceFactor !== undefined ) {\n\n\t\t\tmaterialParams.iridescence = extension.iridescenceFactor;\n\n\t\t}\n\n\t\tif ( extension.iridescenceTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'iridescenceMap', extension.iridescenceTexture ) );\n\n\t\t}\n\n\t\tif ( extension.iridescenceIor !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceIOR = extension.iridescenceIor;\n\n\t\t}\n\n\t\tif ( materialParams.iridescenceThicknessRange === undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange = [ 100, 400 ];\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessMinimum !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange[ 0 ] = extension.iridescenceThicknessMinimum;\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessMaximum !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange[ 1 ] = extension.iridescenceThicknessMaximum;\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'iridescenceThicknessMap', extension.iridescenceThicknessTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Sheen Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_sheen\n */\nclass GLTFMaterialsSheenExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_SHEEN;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tmaterialParams.sheenColor = new Color( 0, 0, 0 );\n\t\tmaterialParams.sheenRoughness = 0;\n\t\tmaterialParams.sheen = 1;\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.sheenColorFactor !== undefined ) {\n\n\t\t\tmaterialParams.sheenColor.fromArray( extension.sheenColorFactor );\n\n\t\t}\n\n\t\tif ( extension.sheenRoughnessFactor !== undefined ) {\n\n\t\t\tmaterialParams.sheenRoughness = extension.sheenRoughnessFactor;\n\n\t\t}\n\n\t\tif ( extension.sheenColorTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'sheenColorMap', extension.sheenColorTexture, sRGBEncoding ) );\n\n\t\t}\n\n\t\tif ( extension.sheenRoughnessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'sheenRoughnessMap', extension.sheenRoughnessTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Transmission Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission\n * Draft: https://github.com/KhronosGroup/glTF/pull/1698\n */\nclass GLTFMaterialsTransmissionExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.transmissionFactor !== undefined ) {\n\n\t\t\tmaterialParams.transmission = extension.transmissionFactor;\n\n\t\t}\n\n\t\tif ( extension.transmissionTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'transmissionMap', extension.transmissionTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials Volume Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_volume\n */\nclass GLTFMaterialsVolumeExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_VOLUME;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.thickness = extension.thicknessFactor !== undefined ? extension.thicknessFactor : 0;\n\n\t\tif ( extension.thicknessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'thicknessMap', extension.thicknessTexture ) );\n\n\t\t}\n\n\t\tmaterialParams.attenuationDistance = extension.attenuationDistance || 0;\n\n\t\tconst colorArray = extension.attenuationColor || [ 1, 1, 1 ];\n\t\tmaterialParams.attenuationColor = new Color( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ] );\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials ior Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_ior\n */\nclass GLTFMaterialsIorExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_IOR;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.ior = extension.ior !== undefined ? extension.ior : 1.5;\n\n\t\treturn Promise.resolve();\n\n\t}\n\n}\n\n/**\n * Materials specular Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_specular\n */\nclass GLTFMaterialsSpecularExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_SPECULAR;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.specularIntensity = extension.specularFactor !== undefined ? extension.specularFactor : 1.0;\n\n\t\tif ( extension.specularTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'specularIntensityMap', extension.specularTexture ) );\n\n\t\t}\n\n\t\tconst colorArray = extension.specularColorFactor || [ 1, 1, 1 ];\n\t\tmaterialParams.specularColor = new Color( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ] );\n\n\t\tif ( extension.specularColorTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'specularColorMap', extension.specularColorTexture, sRGBEncoding ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * BasisU Texture Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu\n */\nclass GLTFTextureBasisUExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_TEXTURE_BASISU;\n\n\t}\n\n\tloadTexture( textureIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\n\t\tif ( ! textureDef.extensions || ! textureDef.extensions[ this.name ] ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst extension = textureDef.extensions[ this.name ];\n\t\tconst loader = parser.options.ktx2Loader;\n\n\t\tif ( ! loader ) {\n\n\t\t\tif ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) {\n\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures' );\n\n\t\t\t} else {\n\n\t\t\t\t// Assumes that the extension is optional and that a fallback texture is present\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn parser.loadTextureImage( textureIndex, extension.source, loader );\n\n\t}\n\n}\n\n/**\n * WebP Texture Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_webp\n */\nclass GLTFTextureWebPExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.EXT_TEXTURE_WEBP;\n\t\tthis.isSupported = null;\n\n\t}\n\n\tloadTexture( textureIndex ) {\n\n\t\tconst name = this.name;\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\n\t\tif ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst extension = textureDef.extensions[ name ];\n\t\tconst source = json.images[ extension.source ];\n\n\t\tlet loader = parser.textureLoader;\n\t\tif ( source.uri ) {\n\n\t\t\tconst handler = parser.options.manager.getHandler( source.uri );\n\t\t\tif ( handler !== null ) loader = handler;\n\n\t\t}\n\n\t\treturn this.detectSupport().then( function ( isSupported ) {\n\n\t\t\tif ( isSupported ) return parser.loadTextureImage( textureIndex, extension.source, loader );\n\n\t\t\tif ( json.extensionsRequired && json.extensionsRequired.indexOf( name ) >= 0 ) {\n\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: WebP required by asset but unsupported.' );\n\n\t\t\t}\n\n\t\t\t// Fall back to PNG or JPEG.\n\t\t\treturn parser.loadTexture( textureIndex );\n\n\t\t} );\n\n\t}\n\n\tdetectSupport() {\n\n\t\tif ( ! this.isSupported ) {\n\n\t\t\tthis.isSupported = new Promise( function ( resolve ) {\n\n\t\t\t\tconst image = new Image();\n\n\t\t\t\t// Lossy test image. Support for lossy images doesn't guarantee support for all\n\t\t\t\t// WebP images, unfortunately.\n\t\t\t\timage.src = 'data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA';\n\n\t\t\t\timage.onload = image.onerror = function () {\n\n\t\t\t\t\tresolve( image.height === 1 );\n\n\t\t\t\t};\n\n\t\t\t} );\n\n\t\t}\n\n\t\treturn this.isSupported;\n\n\t}\n\n}\n\n/**\n * meshopt BufferView Compression Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_meshopt_compression\n */\nclass GLTFMeshoptCompression {\n\n\tconstructor( parser ) {\n\n\t\tthis.name = EXTENSIONS.EXT_MESHOPT_COMPRESSION;\n\t\tthis.parser = parser;\n\n\t}\n\n\tloadBufferView( index ) {\n\n\t\tconst json = this.parser.json;\n\t\tconst bufferView = json.bufferViews[ index ];\n\n\t\tif ( bufferView.extensions && bufferView.extensions[ this.name ] ) {\n\n\t\t\tconst extensionDef = bufferView.extensions[ this.name ];\n\n\t\t\tconst buffer = this.parser.getDependency( 'buffer', extensionDef.buffer );\n\t\t\tconst decoder = this.parser.options.meshoptDecoder;\n\n\t\t\tif ( ! decoder || ! decoder.supported ) {\n\n\t\t\t\tif ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Assumes that the extension is optional and that fallback buffer data is present\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn Promise.all( [ buffer, decoder.ready ] ).then( function ( res ) {\n\n\t\t\t\tconst byteOffset = extensionDef.byteOffset || 0;\n\t\t\t\tconst byteLength = extensionDef.byteLength || 0;\n\n\t\t\t\tconst count = extensionDef.count;\n\t\t\t\tconst stride = extensionDef.byteStride;\n\n\t\t\t\tconst result = new ArrayBuffer( count * stride );\n\t\t\t\tconst source = new Uint8Array( res[ 0 ], byteOffset, byteLength );\n\n\t\t\t\tdecoder.decodeGltfBuffer( new Uint8Array( result ), count, stride, source, extensionDef.mode, extensionDef.filter );\n\t\t\t\treturn result;\n\n\t\t\t} );\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t}\n\n}\n\n/* BINARY EXTENSION */\nconst BINARY_EXTENSION_HEADER_MAGIC = 'glTF';\nconst BINARY_EXTENSION_HEADER_LENGTH = 12;\nconst BINARY_EXTENSION_CHUNK_TYPES = { JSON: 0x4E4F534A, BIN: 0x004E4942 };\n\nclass GLTFBinaryExtension {\n\n\tconstructor( data ) {\n\n\t\tthis.name = EXTENSIONS.KHR_BINARY_GLTF;\n\t\tthis.content = null;\n\t\tthis.body = null;\n\n\t\tconst headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );\n\n\t\tthis.header = {\n\t\t\tmagic: LoaderUtils.decodeText( new Uint8Array( data.slice( 0, 4 ) ) ),\n\t\t\tversion: headerView.getUint32( 4, true ),\n\t\t\tlength: headerView.getUint32( 8, true )\n\t\t};\n\n\t\tif ( this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Unsupported glTF-Binary header.' );\n\n\t\t} else if ( this.header.version < 2.0 ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Legacy binary file detected.' );\n\n\t\t}\n\n\t\tconst chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH;\n\t\tconst chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH );\n\t\tlet chunkIndex = 0;\n\n\t\twhile ( chunkIndex < chunkContentsLength ) {\n\n\t\t\tconst chunkLength = chunkView.getUint32( chunkIndex, true );\n\t\t\tchunkIndex += 4;\n\n\t\t\tconst chunkType = chunkView.getUint32( chunkIndex, true );\n\t\t\tchunkIndex += 4;\n\n\t\t\tif ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) {\n\n\t\t\t\tconst contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength );\n\t\t\t\tthis.content = LoaderUtils.decodeText( contentArray );\n\n\t\t\t} else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) {\n\n\t\t\t\tconst byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;\n\t\t\t\tthis.body = data.slice( byteOffset, byteOffset + chunkLength );\n\n\t\t\t}\n\n\t\t\t// Clients must ignore chunks with unknown types.\n\n\t\t\tchunkIndex += chunkLength;\n\n\t\t}\n\n\t\tif ( this.content === null ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: JSON content not found.' );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * DRACO Mesh Compression Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression\n */\nclass GLTFDracoMeshCompressionExtension {\n\n\tconstructor( json, dracoLoader ) {\n\n\t\tif ( ! dracoLoader ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: No DRACOLoader instance provided.' );\n\n\t\t}\n\n\t\tthis.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;\n\t\tthis.json = json;\n\t\tthis.dracoLoader = dracoLoader;\n\t\tthis.dracoLoader.preload();\n\n\t}\n\n\tdecodePrimitive( primitive, parser ) {\n\n\t\tconst json = this.json;\n\t\tconst dracoLoader = this.dracoLoader;\n\t\tconst bufferViewIndex = primitive.extensions[ this.name ].bufferView;\n\t\tconst gltfAttributeMap = primitive.extensions[ this.name ].attributes;\n\t\tconst threeAttributeMap = {};\n\t\tconst attributeNormalizedMap = {};\n\t\tconst attributeTypeMap = {};\n\n\t\tfor ( const attributeName in gltfAttributeMap ) {\n\n\t\t\tconst threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();\n\n\t\t\tthreeAttributeMap[ threeAttributeName ] = gltfAttributeMap[ attributeName ];\n\n\t\t}\n\n\t\tfor ( const attributeName in primitive.attributes ) {\n\n\t\t\tconst threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();\n\n\t\t\tif ( gltfAttributeMap[ attributeName ] !== undefined ) {\n\n\t\t\t\tconst accessorDef = json.accessors[ primitive.attributes[ attributeName ] ];\n\t\t\t\tconst componentType = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];\n\n\t\t\t\tattributeTypeMap[ threeAttributeName ] = componentType;\n\t\t\t\tattributeNormalizedMap[ threeAttributeName ] = accessorDef.normalized === true;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn parser.getDependency( 'bufferView', bufferViewIndex ).then( function ( bufferView ) {\n\n\t\t\treturn new Promise( function ( resolve ) {\n\n\t\t\t\tdracoLoader.decodeDracoFile( bufferView, function ( geometry ) {\n\n\t\t\t\t\tfor ( const attributeName in geometry.attributes ) {\n\n\t\t\t\t\t\tconst attribute = geometry.attributes[ attributeName ];\n\t\t\t\t\t\tconst normalized = attributeNormalizedMap[ attributeName ];\n\n\t\t\t\t\t\tif ( normalized !== undefined ) attribute.normalized = normalized;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tresolve( geometry );\n\n\t\t\t\t}, threeAttributeMap, attributeTypeMap );\n\n\t\t\t} );\n\n\t\t} );\n\n\t}\n\n}\n\n/**\n * Texture Transform Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform\n */\nclass GLTFTextureTransformExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;\n\n\t}\n\n\textendTexture( texture, transform ) {\n\n\t\tif ( transform.texCoord !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Custom UV sets in \"' + this.name + '\" extension not yet supported.' );\n\n\t\t}\n\n\t\tif ( transform.offset === undefined && transform.rotation === undefined && transform.scale === undefined ) {\n\n\t\t\t// See https://github.com/mrdoob/three.js/issues/21819.\n\t\t\treturn texture;\n\n\t\t}\n\n\t\ttexture = texture.clone();\n\n\t\tif ( transform.offset !== undefined ) {\n\n\t\t\ttexture.offset.fromArray( transform.offset );\n\n\t\t}\n\n\t\tif ( transform.rotation !== undefined ) {\n\n\t\t\ttexture.rotation = transform.rotation;\n\n\t\t}\n\n\t\tif ( transform.scale !== undefined ) {\n\n\t\t\ttexture.repeat.fromArray( transform.scale );\n\n\t\t}\n\n\t\ttexture.needsUpdate = true;\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Specular-Glossiness Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Archived/KHR_materials_pbrSpecularGlossiness\n */\n\n/**\n * A sub class of StandardMaterial with some of the functionality\n * changed via the `onBeforeCompile` callback\n * @pailhead\n */\nclass GLTFMeshStandardSGMaterial extends MeshStandardMaterial {\n\n\tconstructor( params ) {\n\n\t\tsuper();\n\n\t\tthis.isGLTFSpecularGlossinessMaterial = true;\n\n\t\t//various chunks that need replacing\n\t\tconst specularMapParsFragmentChunk = [\n\t\t\t'#ifdef USE_SPECULARMAP',\n\t\t\t'\tuniform sampler2D specularMap;',\n\t\t\t'#endif'\n\t\t].join( '\\n' );\n\n\t\tconst glossinessMapParsFragmentChunk = [\n\t\t\t'#ifdef USE_GLOSSINESSMAP',\n\t\t\t'\tuniform sampler2D glossinessMap;',\n\t\t\t'#endif'\n\t\t].join( '\\n' );\n\n\t\tconst specularMapFragmentChunk = [\n\t\t\t'vec3 specularFactor = specular;',\n\t\t\t'#ifdef USE_SPECULARMAP',\n\t\t\t'\tvec4 texelSpecular = texture2D( specularMap, vUv );',\n\t\t\t'\t// reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture',\n\t\t\t'\tspecularFactor *= texelSpecular.rgb;',\n\t\t\t'#endif'\n\t\t].join( '\\n' );\n\n\t\tconst glossinessMapFragmentChunk = [\n\t\t\t'float glossinessFactor = glossiness;',\n\t\t\t'#ifdef USE_GLOSSINESSMAP',\n\t\t\t'\tvec4 texelGlossiness = texture2D( glossinessMap, vUv );',\n\t\t\t'\t// reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture',\n\t\t\t'\tglossinessFactor *= texelGlossiness.a;',\n\t\t\t'#endif'\n\t\t].join( '\\n' );\n\n\t\tconst lightPhysicalFragmentChunk = [\n\t\t\t'PhysicalMaterial material;',\n\t\t\t'material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );',\n\t\t\t'vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );',\n\t\t\t'float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );',\n\t\t\t'material.roughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.',\n\t\t\t'material.roughness += geometryRoughness;',\n\t\t\t'material.roughness = min( material.roughness, 1.0 );',\n\t\t\t'material.specularColor = specularFactor;',\n\t\t].join( '\\n' );\n\n\t\tconst uniforms = {\n\t\t\tspecular: { value: new Color().setHex( 0xffffff ) },\n\t\t\tglossiness: { value: 1 },\n\t\t\tspecularMap: { value: null },\n\t\t\tglossinessMap: { value: null }\n\t\t};\n\n\t\tthis._extraUniforms = uniforms;\n\n\t\tthis.onBeforeCompile = function ( shader ) {\n\n\t\t\tfor ( const uniformName in uniforms ) {\n\n\t\t\t\tshader.uniforms[ uniformName ] = uniforms[ uniformName ];\n\n\t\t\t}\n\n\t\t\tshader.fragmentShader = shader.fragmentShader\n\t\t\t\t.replace( 'uniform float roughness;', 'uniform vec3 specular;' )\n\t\t\t\t.replace( 'uniform float metalness;', 'uniform float glossiness;' )\n\t\t\t\t.replace( '#include ', specularMapParsFragmentChunk )\n\t\t\t\t.replace( '#include ', glossinessMapParsFragmentChunk )\n\t\t\t\t.replace( '#include ', specularMapFragmentChunk )\n\t\t\t\t.replace( '#include ', glossinessMapFragmentChunk )\n\t\t\t\t.replace( '#include ', lightPhysicalFragmentChunk );\n\n\t\t};\n\n\t\tObject.defineProperties( this, {\n\n\t\t\tspecular: {\n\t\t\t\tget: function () {\n\n\t\t\t\t\treturn uniforms.specular.value;\n\n\t\t\t\t},\n\t\t\t\tset: function ( v ) {\n\n\t\t\t\t\tuniforms.specular.value = v;\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tspecularMap: {\n\t\t\t\tget: function () {\n\n\t\t\t\t\treturn uniforms.specularMap.value;\n\n\t\t\t\t},\n\t\t\t\tset: function ( v ) {\n\n\t\t\t\t\tuniforms.specularMap.value = v;\n\n\t\t\t\t\tif ( v ) {\n\n\t\t\t\t\t\tthis.defines.USE_SPECULARMAP = ''; // USE_UV is set by the renderer for specular maps\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdelete this.defines.USE_SPECULARMAP;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tglossiness: {\n\t\t\t\tget: function () {\n\n\t\t\t\t\treturn uniforms.glossiness.value;\n\n\t\t\t\t},\n\t\t\t\tset: function ( v ) {\n\n\t\t\t\t\tuniforms.glossiness.value = v;\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tglossinessMap: {\n\t\t\t\tget: function () {\n\n\t\t\t\t\treturn uniforms.glossinessMap.value;\n\n\t\t\t\t},\n\t\t\t\tset: function ( v ) {\n\n\t\t\t\t\tuniforms.glossinessMap.value = v;\n\n\t\t\t\t\tif ( v ) {\n\n\t\t\t\t\t\tthis.defines.USE_GLOSSINESSMAP = '';\n\t\t\t\t\t\tthis.defines.USE_UV = '';\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdelete this.defines.USE_GLOSSINESSMAP;\n\t\t\t\t\t\tdelete this.defines.USE_UV;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t} );\n\n\t\tdelete this.metalness;\n\t\tdelete this.roughness;\n\t\tdelete this.metalnessMap;\n\t\tdelete this.roughnessMap;\n\n\t\tthis.setValues( params );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.specularMap = source.specularMap;\n\t\tthis.specular.copy( source.specular );\n\t\tthis.glossinessMap = source.glossinessMap;\n\t\tthis.glossiness = source.glossiness;\n\t\tdelete this.metalness;\n\t\tdelete this.roughness;\n\t\tdelete this.metalnessMap;\n\t\tdelete this.roughnessMap;\n\t\treturn this;\n\n\t}\n\n}\n\n\nclass GLTFMaterialsPbrSpecularGlossinessExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS;\n\n\t\tthis.specularGlossinessParams = [\n\t\t\t'color',\n\t\t\t'map',\n\t\t\t'lightMap',\n\t\t\t'lightMapIntensity',\n\t\t\t'aoMap',\n\t\t\t'aoMapIntensity',\n\t\t\t'emissive',\n\t\t\t'emissiveIntensity',\n\t\t\t'emissiveMap',\n\t\t\t'bumpMap',\n\t\t\t'bumpScale',\n\t\t\t'normalMap',\n\t\t\t'normalMapType',\n\t\t\t'displacementMap',\n\t\t\t'displacementScale',\n\t\t\t'displacementBias',\n\t\t\t'specularMap',\n\t\t\t'specular',\n\t\t\t'glossinessMap',\n\t\t\t'glossiness',\n\t\t\t'alphaMap',\n\t\t\t'envMap',\n\t\t\t'envMapIntensity'\n\t\t];\n\n\t}\n\n\tgetMaterialType() {\n\n\t\treturn GLTFMeshStandardSGMaterial;\n\n\t}\n\n\textendParams( materialParams, materialDef, parser ) {\n\n\t\tconst pbrSpecularGlossiness = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.color = new Color( 1.0, 1.0, 1.0 );\n\t\tmaterialParams.opacity = 1.0;\n\n\t\tconst pending = [];\n\n\t\tif ( Array.isArray( pbrSpecularGlossiness.diffuseFactor ) ) {\n\n\t\t\tconst array = pbrSpecularGlossiness.diffuseFactor;\n\n\t\t\tmaterialParams.color.fromArray( array );\n\t\t\tmaterialParams.opacity = array[ 3 ];\n\n\t\t}\n\n\t\tif ( pbrSpecularGlossiness.diffuseTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'map', pbrSpecularGlossiness.diffuseTexture, sRGBEncoding ) );\n\n\t\t}\n\n\t\tmaterialParams.emissive = new Color( 0.0, 0.0, 0.0 );\n\t\tmaterialParams.glossiness = pbrSpecularGlossiness.glossinessFactor !== undefined ? pbrSpecularGlossiness.glossinessFactor : 1.0;\n\t\tmaterialParams.specular = new Color( 1.0, 1.0, 1.0 );\n\n\t\tif ( Array.isArray( pbrSpecularGlossiness.specularFactor ) ) {\n\n\t\t\tmaterialParams.specular.fromArray( pbrSpecularGlossiness.specularFactor );\n\n\t\t}\n\n\t\tif ( pbrSpecularGlossiness.specularGlossinessTexture !== undefined ) {\n\n\t\t\tconst specGlossMapDef = pbrSpecularGlossiness.specularGlossinessTexture;\n\t\t\tpending.push( parser.assignTexture( materialParams, 'glossinessMap', specGlossMapDef ) );\n\t\t\tpending.push( parser.assignTexture( materialParams, 'specularMap', specGlossMapDef, sRGBEncoding ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n\tcreateMaterial( materialParams ) {\n\n\t\tconst material = new GLTFMeshStandardSGMaterial( materialParams );\n\t\tmaterial.fog = true;\n\n\t\tmaterial.color = materialParams.color;\n\n\t\tmaterial.map = materialParams.map === undefined ? null : materialParams.map;\n\n\t\tmaterial.lightMap = null;\n\t\tmaterial.lightMapIntensity = 1.0;\n\n\t\tmaterial.aoMap = materialParams.aoMap === undefined ? null : materialParams.aoMap;\n\t\tmaterial.aoMapIntensity = 1.0;\n\n\t\tmaterial.emissive = materialParams.emissive;\n\t\tmaterial.emissiveIntensity = materialParams.emissiveIntensity === undefined ? 1.0 : materialParams.emissiveIntensity;\n\t\tmaterial.emissiveMap = materialParams.emissiveMap === undefined ? null : materialParams.emissiveMap;\n\n\t\tmaterial.bumpMap = materialParams.bumpMap === undefined ? null : materialParams.bumpMap;\n\t\tmaterial.bumpScale = 1;\n\n\t\tmaterial.normalMap = materialParams.normalMap === undefined ? null : materialParams.normalMap;\n\t\tmaterial.normalMapType = TangentSpaceNormalMap;\n\n\t\tif ( materialParams.normalScale ) material.normalScale = materialParams.normalScale;\n\n\t\tmaterial.displacementMap = null;\n\t\tmaterial.displacementScale = 1;\n\t\tmaterial.displacementBias = 0;\n\n\t\tmaterial.specularMap = materialParams.specularMap === undefined ? null : materialParams.specularMap;\n\t\tmaterial.specular = materialParams.specular;\n\n\t\tmaterial.glossinessMap = materialParams.glossinessMap === undefined ? null : materialParams.glossinessMap;\n\t\tmaterial.glossiness = materialParams.glossiness;\n\n\t\tmaterial.alphaMap = null;\n\n\t\tmaterial.envMap = materialParams.envMap === undefined ? null : materialParams.envMap;\n\t\tmaterial.envMapIntensity = 1.0;\n\n\t\treturn material;\n\n\t}\n\n}\n\n/**\n * Mesh Quantization Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization\n */\nclass GLTFMeshQuantizationExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_MESH_QUANTIZATION;\n\n\t}\n\n}\n\n/*********************************/\n/********** INTERPOLATION ********/\n/*********************************/\n\n// Spline Interpolation\n// Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation\nclass GLTFCubicSplineInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// Copies a sample value to the result buffer. See description of glTF\n\t\t// CUBICSPLINE values layout in interpolate_() function below.\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tvalueSize = this.valueSize,\n\t\t\toffset = index * valueSize * 3 + valueSize;\n\n\t\tfor ( let i = 0; i !== valueSize; i ++ ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer;\n\t\tconst values = this.sampleValues;\n\t\tconst stride = this.valueSize;\n\n\t\tconst stride2 = stride * 2;\n\t\tconst stride3 = stride * 3;\n\n\t\tconst td = t1 - t0;\n\n\t\tconst p = ( t - t0 ) / td;\n\t\tconst pp = p * p;\n\t\tconst ppp = pp * p;\n\n\t\tconst offset1 = i1 * stride3;\n\t\tconst offset0 = offset1 - stride3;\n\n\t\tconst s2 = - 2 * ppp + 3 * pp;\n\t\tconst s3 = ppp - pp;\n\t\tconst s0 = 1 - s2;\n\t\tconst s1 = s3 - pp + p;\n\n\t\t// Layout of keyframe output values for CUBICSPLINE animations:\n\t\t// [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]\n\t\tfor ( let i = 0; i !== stride; i ++ ) {\n\n\t\t\tconst p0 = values[ offset0 + i + stride ]; // splineVertex_k\n\t\t\tconst m0 = values[ offset0 + i + stride2 ] * td; // outTangent_k * (t_k+1 - t_k)\n\t\t\tconst p1 = values[ offset1 + i + stride ]; // splineVertex_k+1\n\t\t\tconst m1 = values[ offset1 + i ] * td; // inTangent_k+1 * (t_k+1 - t_k)\n\n\t\t\tresult[ i ] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nconst _q = new Quaternion();\n\nclass GLTFCubicSplineQuaternionInterpolant extends GLTFCubicSplineInterpolant {\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = super.interpolate_( i1, t0, t, t1 );\n\n\t\t_q.fromArray( result ).normalize().toArray( result );\n\n\t\treturn result;\n\n\t}\n\n}\n\n\n/*********************************/\n/********** INTERNALS ************/\n/*********************************/\n\n/* CONSTANTS */\n\nconst WEBGL_CONSTANTS = {\n\tFLOAT: 5126,\n\t//FLOAT_MAT2: 35674,\n\tFLOAT_MAT3: 35675,\n\tFLOAT_MAT4: 35676,\n\tFLOAT_VEC2: 35664,\n\tFLOAT_VEC3: 35665,\n\tFLOAT_VEC4: 35666,\n\tLINEAR: 9729,\n\tREPEAT: 10497,\n\tSAMPLER_2D: 35678,\n\tPOINTS: 0,\n\tLINES: 1,\n\tLINE_LOOP: 2,\n\tLINE_STRIP: 3,\n\tTRIANGLES: 4,\n\tTRIANGLE_STRIP: 5,\n\tTRIANGLE_FAN: 6,\n\tUNSIGNED_BYTE: 5121,\n\tUNSIGNED_SHORT: 5123\n};\n\nconst WEBGL_COMPONENT_TYPES = {\n\t5120: Int8Array,\n\t5121: Uint8Array,\n\t5122: Int16Array,\n\t5123: Uint16Array,\n\t5125: Uint32Array,\n\t5126: Float32Array\n};\n\nconst WEBGL_FILTERS = {\n\t9728: NearestFilter,\n\t9729: LinearFilter,\n\t9984: NearestMipmapNearestFilter,\n\t9985: LinearMipmapNearestFilter,\n\t9986: NearestMipmapLinearFilter,\n\t9987: LinearMipmapLinearFilter\n};\n\nconst WEBGL_WRAPPINGS = {\n\t33071: ClampToEdgeWrapping,\n\t33648: MirroredRepeatWrapping,\n\t10497: RepeatWrapping\n};\n\nconst WEBGL_TYPE_SIZES = {\n\t'SCALAR': 1,\n\t'VEC2': 2,\n\t'VEC3': 3,\n\t'VEC4': 4,\n\t'MAT2': 4,\n\t'MAT3': 9,\n\t'MAT4': 16\n};\n\nconst ATTRIBUTES = {\n\tPOSITION: 'position',\n\tNORMAL: 'normal',\n\tTANGENT: 'tangent',\n\tTEXCOORD_0: 'uv',\n\tTEXCOORD_1: 'uv2',\n\tCOLOR_0: 'color',\n\tWEIGHTS_0: 'skinWeight',\n\tJOINTS_0: 'skinIndex',\n};\n\nconst PATH_PROPERTIES = {\n\tscale: 'scale',\n\ttranslation: 'position',\n\trotation: 'quaternion',\n\tweights: 'morphTargetInfluences'\n};\n\nconst INTERPOLATION = {\n\tCUBICSPLINE: undefined, // We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each\n\t\t // keyframe track will be initialized with a default interpolation type, then modified.\n\tLINEAR: InterpolateLinear,\n\tSTEP: InterpolateDiscrete\n};\n\nconst ALPHA_MODES = {\n\tOPAQUE: 'OPAQUE',\n\tMASK: 'MASK',\n\tBLEND: 'BLEND'\n};\n\n/**\n * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material\n */\nfunction createDefaultMaterial( cache ) {\n\n\tif ( cache[ 'DefaultMaterial' ] === undefined ) {\n\n\t\tcache[ 'DefaultMaterial' ] = new MeshStandardMaterial( {\n\t\t\tcolor: 0xFFFFFF,\n\t\t\temissive: 0x000000,\n\t\t\tmetalness: 1,\n\t\t\troughness: 1,\n\t\t\ttransparent: false,\n\t\t\tdepthTest: true,\n\t\t\tside: FrontSide\n\t\t} );\n\n\t}\n\n\treturn cache[ 'DefaultMaterial' ];\n\n}\n\nfunction addUnknownExtensionsToUserData( knownExtensions, object, objectDef ) {\n\n\t// Add unknown glTF extensions to an object's userData.\n\n\tfor ( const name in objectDef.extensions ) {\n\n\t\tif ( knownExtensions[ name ] === undefined ) {\n\n\t\t\tobject.userData.gltfExtensions = object.userData.gltfExtensions || {};\n\t\t\tobject.userData.gltfExtensions[ name ] = objectDef.extensions[ name ];\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * @param {Object3D|Material|BufferGeometry} object\n * @param {GLTF.definition} gltfDef\n */\nfunction assignExtrasToUserData( object, gltfDef ) {\n\n\tif ( gltfDef.extras !== undefined ) {\n\n\t\tif ( typeof gltfDef.extras === 'object' ) {\n\n\t\t\tObject.assign( object.userData, gltfDef.extras );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets\n *\n * @param {BufferGeometry} geometry\n * @param {Array} targets\n * @param {GLTFParser} parser\n * @return {Promise}\n */\nfunction addMorphTargets( geometry, targets, parser ) {\n\n\tlet hasMorphPosition = false;\n\tlet hasMorphNormal = false;\n\tlet hasMorphColor = false;\n\n\tfor ( let i = 0, il = targets.length; i < il; i ++ ) {\n\n\t\tconst target = targets[ i ];\n\n\t\tif ( target.POSITION !== undefined ) hasMorphPosition = true;\n\t\tif ( target.NORMAL !== undefined ) hasMorphNormal = true;\n\t\tif ( target.COLOR_0 !== undefined ) hasMorphColor = true;\n\n\t\tif ( hasMorphPosition && hasMorphNormal && hasMorphColor ) break;\n\n\t}\n\n\tif ( ! hasMorphPosition && ! hasMorphNormal && ! hasMorphColor ) return Promise.resolve( geometry );\n\n\tconst pendingPositionAccessors = [];\n\tconst pendingNormalAccessors = [];\n\tconst pendingColorAccessors = [];\n\n\tfor ( let i = 0, il = targets.length; i < il; i ++ ) {\n\n\t\tconst target = targets[ i ];\n\n\t\tif ( hasMorphPosition ) {\n\n\t\t\tconst pendingAccessor = target.POSITION !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.POSITION )\n\t\t\t\t: geometry.attributes.position;\n\n\t\t\tpendingPositionAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t\tif ( hasMorphNormal ) {\n\n\t\t\tconst pendingAccessor = target.NORMAL !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.NORMAL )\n\t\t\t\t: geometry.attributes.normal;\n\n\t\t\tpendingNormalAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t\tif ( hasMorphColor ) {\n\n\t\t\tconst pendingAccessor = target.COLOR_0 !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.COLOR_0 )\n\t\t\t\t: geometry.attributes.color;\n\n\t\t\tpendingColorAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t}\n\n\treturn Promise.all( [\n\t\tPromise.all( pendingPositionAccessors ),\n\t\tPromise.all( pendingNormalAccessors ),\n\t\tPromise.all( pendingColorAccessors )\n\t] ).then( function ( accessors ) {\n\n\t\tconst morphPositions = accessors[ 0 ];\n\t\tconst morphNormals = accessors[ 1 ];\n\t\tconst morphColors = accessors[ 2 ];\n\n\t\tif ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions;\n\t\tif ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals;\n\t\tif ( hasMorphColor ) geometry.morphAttributes.color = morphColors;\n\t\tgeometry.morphTargetsRelative = true;\n\n\t\treturn geometry;\n\n\t} );\n\n}\n\n/**\n * @param {Mesh} mesh\n * @param {GLTF.Mesh} meshDef\n */\nfunction updateMorphTargets( mesh, meshDef ) {\n\n\tmesh.updateMorphTargets();\n\n\tif ( meshDef.weights !== undefined ) {\n\n\t\tfor ( let i = 0, il = meshDef.weights.length; i < il; i ++ ) {\n\n\t\t\tmesh.morphTargetInfluences[ i ] = meshDef.weights[ i ];\n\n\t\t}\n\n\t}\n\n\t// .extras has user-defined data, so check that .extras.targetNames is an array.\n\tif ( meshDef.extras && Array.isArray( meshDef.extras.targetNames ) ) {\n\n\t\tconst targetNames = meshDef.extras.targetNames;\n\n\t\tif ( mesh.morphTargetInfluences.length === targetNames.length ) {\n\n\t\t\tmesh.morphTargetDictionary = {};\n\n\t\t\tfor ( let i = 0, il = targetNames.length; i < il; i ++ ) {\n\n\t\t\t\tmesh.morphTargetDictionary[ targetNames[ i ] ] = i;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.' );\n\n\t\t}\n\n\t}\n\n}\n\nfunction createPrimitiveKey( primitiveDef ) {\n\n\tconst dracoExtension = primitiveDef.extensions && primitiveDef.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ];\n\tlet geometryKey;\n\n\tif ( dracoExtension ) {\n\n\t\tgeometryKey = 'draco:' + dracoExtension.bufferView\n\t\t\t\t+ ':' + dracoExtension.indices\n\t\t\t\t+ ':' + createAttributesKey( dracoExtension.attributes );\n\n\t} else {\n\n\t\tgeometryKey = primitiveDef.indices + ':' + createAttributesKey( primitiveDef.attributes ) + ':' + primitiveDef.mode;\n\n\t}\n\n\treturn geometryKey;\n\n}\n\nfunction createAttributesKey( attributes ) {\n\n\tlet attributesKey = '';\n\n\tconst keys = Object.keys( attributes ).sort();\n\n\tfor ( let i = 0, il = keys.length; i < il; i ++ ) {\n\n\t\tattributesKey += keys[ i ] + ':' + attributes[ keys[ i ] ] + ';';\n\n\t}\n\n\treturn attributesKey;\n\n}\n\nfunction getNormalizedComponentScale( constructor ) {\n\n\t// Reference:\n\t// https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization#encoding-quantized-data\n\n\tswitch ( constructor ) {\n\n\t\tcase Int8Array:\n\t\t\treturn 1 / 127;\n\n\t\tcase Uint8Array:\n\t\t\treturn 1 / 255;\n\n\t\tcase Int16Array:\n\t\t\treturn 1 / 32767;\n\n\t\tcase Uint16Array:\n\t\t\treturn 1 / 65535;\n\n\t\tdefault:\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Unsupported normalized accessor component type.' );\n\n\t}\n\n}\n\nfunction getImageURIMimeType( uri ) {\n\n\tif ( uri.search( /\\.jpe?g($|\\?)/i ) > 0 || uri.search( /^data\\:image\\/jpeg/ ) === 0 ) return 'image/jpeg';\n\tif ( uri.search( /\\.webp($|\\?)/i ) > 0 || uri.search( /^data\\:image\\/webp/ ) === 0 ) return 'image/webp';\n\n\treturn 'image/png';\n\n}\n\n/* GLTF PARSER */\n\nclass GLTFParser {\n\n\tconstructor( json = {}, options = {} ) {\n\n\t\tthis.json = json;\n\t\tthis.extensions = {};\n\t\tthis.plugins = {};\n\t\tthis.options = options;\n\n\t\t// loader object cache\n\t\tthis.cache = new GLTFRegistry();\n\n\t\t// associations between Three.js objects and glTF elements\n\t\tthis.associations = new Map();\n\n\t\t// BufferGeometry caching\n\t\tthis.primitiveCache = {};\n\n\t\t// Object3D instance caches\n\t\tthis.meshCache = { refs: {}, uses: {} };\n\t\tthis.cameraCache = { refs: {}, uses: {} };\n\t\tthis.lightCache = { refs: {}, uses: {} };\n\n\t\tthis.sourceCache = {};\n\t\tthis.textureCache = {};\n\n\t\t// Track node names, to ensure no duplicates\n\t\tthis.nodeNamesUsed = {};\n\n\t\t// Use an ImageBitmapLoader if imageBitmaps are supported. Moves much of the\n\t\t// expensive work of uploading a texture to the GPU off the main thread.\n\n\t\tconst isSafari = /^((?!chrome|android).)*safari/i.test( navigator.userAgent ) === true;\n\t\tconst isFirefox = navigator.userAgent.indexOf( 'Firefox' ) > - 1;\n\t\tconst firefoxVersion = isFirefox ? navigator.userAgent.match( /Firefox\\/([0-9]+)\\./ )[ 1 ] : - 1;\n\n\t\tif ( typeof createImageBitmap === 'undefined' || isSafari || ( isFirefox && firefoxVersion < 98 ) ) {\n\n\t\t\tthis.textureLoader = new TextureLoader( this.options.manager );\n\n\t\t} else {\n\n\t\t\tthis.textureLoader = new ImageBitmapLoader( this.options.manager );\n\n\t\t}\n\n\t\tthis.textureLoader.setCrossOrigin( this.options.crossOrigin );\n\t\tthis.textureLoader.setRequestHeader( this.options.requestHeader );\n\n\t\tthis.fileLoader = new FileLoader( this.options.manager );\n\t\tthis.fileLoader.setResponseType( 'arraybuffer' );\n\n\t\tif ( this.options.crossOrigin === 'use-credentials' ) {\n\n\t\t\tthis.fileLoader.setWithCredentials( true );\n\n\t\t}\n\n\t}\n\n\tsetExtensions( extensions ) {\n\n\t\tthis.extensions = extensions;\n\n\t}\n\n\tsetPlugins( plugins ) {\n\n\t\tthis.plugins = plugins;\n\n\t}\n\n\tparse( onLoad, onError ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\n\t\t// Clear the loader cache\n\t\tthis.cache.removeAll();\n\n\t\t// Mark the special nodes/meshes in json for efficient parse\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\treturn ext._markDefs && ext._markDefs();\n\n\t\t} );\n\n\t\tPromise.all( this._invokeAll( function ( ext ) {\n\n\t\t\treturn ext.beforeRoot && ext.beforeRoot();\n\n\t\t} ) ).then( function () {\n\n\t\t\treturn Promise.all( [\n\n\t\t\t\tparser.getDependencies( 'scene' ),\n\t\t\t\tparser.getDependencies( 'animation' ),\n\t\t\t\tparser.getDependencies( 'camera' ),\n\n\t\t\t] );\n\n\t\t} ).then( function ( dependencies ) {\n\n\t\t\tconst result = {\n\t\t\t\tscene: dependencies[ 0 ][ json.scene || 0 ],\n\t\t\t\tscenes: dependencies[ 0 ],\n\t\t\t\tanimations: dependencies[ 1 ],\n\t\t\t\tcameras: dependencies[ 2 ],\n\t\t\t\tasset: json.asset,\n\t\t\t\tparser: parser,\n\t\t\t\tuserData: {}\n\t\t\t};\n\n\t\t\taddUnknownExtensionsToUserData( extensions, result, json );\n\n\t\t\tassignExtrasToUserData( result, json );\n\n\t\t\tPromise.all( parser._invokeAll( function ( ext ) {\n\n\t\t\t\treturn ext.afterRoot && ext.afterRoot( result );\n\n\t\t\t} ) ).then( function () {\n\n\t\t\t\tonLoad( result );\n\n\t\t\t} );\n\n\t\t} ).catch( onError );\n\n\t}\n\n\t/**\n\t * Marks the special nodes/meshes in json for efficient parse.\n\t */\n\t_markDefs() {\n\n\t\tconst nodeDefs = this.json.nodes || [];\n\t\tconst skinDefs = this.json.skins || [];\n\t\tconst meshDefs = this.json.meshes || [];\n\n\t\t// Nothing in the node definition indicates whether it is a Bone or an\n\t\t// Object3D. Use the skins' joint references to mark bones.\n\t\tfor ( let skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) {\n\n\t\t\tconst joints = skinDefs[ skinIndex ].joints;\n\n\t\t\tfor ( let i = 0, il = joints.length; i < il; i ++ ) {\n\n\t\t\t\tnodeDefs[ joints[ i ] ].isBone = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Iterate over all nodes, marking references to shared resources,\n\t\t// as well as skeleton joints.\n\t\tfor ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {\n\n\t\t\tconst nodeDef = nodeDefs[ nodeIndex ];\n\n\t\t\tif ( nodeDef.mesh !== undefined ) {\n\n\t\t\t\tthis._addNodeRef( this.meshCache, nodeDef.mesh );\n\n\t\t\t\t// Nothing in the mesh definition indicates whether it is\n\t\t\t\t// a SkinnedMesh or Mesh. Use the node's mesh reference\n\t\t\t\t// to mark SkinnedMesh if node has skin.\n\t\t\t\tif ( nodeDef.skin !== undefined ) {\n\n\t\t\t\t\tmeshDefs[ nodeDef.mesh ].isSkinnedMesh = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( nodeDef.camera !== undefined ) {\n\n\t\t\t\tthis._addNodeRef( this.cameraCache, nodeDef.camera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Counts references to shared node / Object3D resources. These resources\n\t * can be reused, or \"instantiated\", at multiple nodes in the scene\n\t * hierarchy. Mesh, Camera, and Light instances are instantiated and must\n\t * be marked. Non-scenegraph resources (like Materials, Geometries, and\n\t * Textures) can be reused directly and are not marked here.\n\t *\n\t * Example: CesiumMilkTruck sample model reuses \"Wheel\" meshes.\n\t */\n\t_addNodeRef( cache, index ) {\n\n\t\tif ( index === undefined ) return;\n\n\t\tif ( cache.refs[ index ] === undefined ) {\n\n\t\t\tcache.refs[ index ] = cache.uses[ index ] = 0;\n\n\t\t}\n\n\t\tcache.refs[ index ] ++;\n\n\t}\n\n\t/** Returns a reference to a shared resource, cloning it if necessary. */\n\t_getNodeRef( cache, index, object ) {\n\n\t\tif ( cache.refs[ index ] <= 1 ) return object;\n\n\t\tconst ref = object.clone();\n\n\t\t// Propagates mappings to the cloned object, prevents mappings on the\n\t\t// original object from being lost.\n\t\tconst updateMappings = ( original, clone ) => {\n\n\t\t\tconst mappings = this.associations.get( original );\n\t\t\tif ( mappings != null ) {\n\n\t\t\t\tthis.associations.set( clone, mappings );\n\n\t\t\t}\n\n\t\t\tfor ( const [ i, child ] of original.children.entries() ) {\n\n\t\t\t\tupdateMappings( child, clone.children[ i ] );\n\n\t\t\t}\n\n\t\t};\n\n\t\tupdateMappings( object, ref );\n\n\t\tref.name += '_instance_' + ( cache.uses[ index ] ++ );\n\n\t\treturn ref;\n\n\t}\n\n\t_invokeOne( func ) {\n\n\t\tconst extensions = Object.values( this.plugins );\n\t\textensions.push( this );\n\n\t\tfor ( let i = 0; i < extensions.length; i ++ ) {\n\n\t\t\tconst result = func( extensions[ i ] );\n\n\t\t\tif ( result ) return result;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t_invokeAll( func ) {\n\n\t\tconst extensions = Object.values( this.plugins );\n\t\textensions.unshift( this );\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0; i < extensions.length; i ++ ) {\n\n\t\t\tconst result = func( extensions[ i ] );\n\n\t\t\tif ( result ) pending.push( result );\n\n\t\t}\n\n\t\treturn pending;\n\n\t}\n\n\t/**\n\t * Requests the specified dependency asynchronously, with caching.\n\t * @param {string} type\n\t * @param {number} index\n\t * @return {Promise}\n\t */\n\tgetDependency( type, index ) {\n\n\t\tconst cacheKey = type + ':' + index;\n\t\tlet dependency = this.cache.get( cacheKey );\n\n\t\tif ( ! dependency ) {\n\n\t\t\tswitch ( type ) {\n\n\t\t\t\tcase 'scene':\n\t\t\t\t\tdependency = this.loadScene( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'node':\n\t\t\t\t\tdependency = this.loadNode( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'mesh':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadMesh && ext.loadMesh( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'accessor':\n\t\t\t\t\tdependency = this.loadAccessor( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bufferView':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadBufferView && ext.loadBufferView( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'buffer':\n\t\t\t\t\tdependency = this.loadBuffer( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'material':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadMaterial && ext.loadMaterial( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'texture':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadTexture && ext.loadTexture( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'skin':\n\t\t\t\t\tdependency = this.loadSkin( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'animation':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadAnimation && ext.loadAnimation( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'camera':\n\t\t\t\t\tdependency = this.loadCamera( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tthrow new Error( 'Unknown type: ' + type );\n\n\t\t\t}\n\n\t\t\tthis.cache.add( cacheKey, dependency );\n\n\t\t}\n\n\t\treturn dependency;\n\n\t}\n\n\t/**\n\t * Requests all dependencies of the specified type asynchronously, with caching.\n\t * @param {string} type\n\t * @return {Promise>}\n\t */\n\tgetDependencies( type ) {\n\n\t\tlet dependencies = this.cache.get( type );\n\n\t\tif ( ! dependencies ) {\n\n\t\t\tconst parser = this;\n\t\t\tconst defs = this.json[ type + ( type === 'mesh' ? 'es' : 's' ) ] || [];\n\n\t\t\tdependencies = Promise.all( defs.map( function ( def, index ) {\n\n\t\t\t\treturn parser.getDependency( type, index );\n\n\t\t\t} ) );\n\n\t\t\tthis.cache.add( type, dependencies );\n\n\t\t}\n\n\t\treturn dependencies;\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views\n\t * @param {number} bufferIndex\n\t * @return {Promise}\n\t */\n\tloadBuffer( bufferIndex ) {\n\n\t\tconst bufferDef = this.json.buffers[ bufferIndex ];\n\t\tconst loader = this.fileLoader;\n\n\t\tif ( bufferDef.type && bufferDef.type !== 'arraybuffer' ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' );\n\n\t\t}\n\n\t\t// If present, GLB container is required to be the first buffer.\n\t\tif ( bufferDef.uri === undefined && bufferIndex === 0 ) {\n\n\t\t\treturn Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body );\n\n\t\t}\n\n\t\tconst options = this.options;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tloader.load( LoaderUtils.resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () {\n\n\t\t\t\treject( new Error( 'THREE.GLTFLoader: Failed to load buffer \"' + bufferDef.uri + '\".' ) );\n\n\t\t\t} );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views\n\t * @param {number} bufferViewIndex\n\t * @return {Promise}\n\t */\n\tloadBufferView( bufferViewIndex ) {\n\n\t\tconst bufferViewDef = this.json.bufferViews[ bufferViewIndex ];\n\n\t\treturn this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) {\n\n\t\t\tconst byteLength = bufferViewDef.byteLength || 0;\n\t\t\tconst byteOffset = bufferViewDef.byteOffset || 0;\n\t\t\treturn buffer.slice( byteOffset, byteOffset + byteLength );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors\n\t * @param {number} accessorIndex\n\t * @return {Promise}\n\t */\n\tloadAccessor( accessorIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\n\t\tconst accessorDef = this.json.accessors[ accessorIndex ];\n\n\t\tif ( accessorDef.bufferView === undefined && accessorDef.sparse === undefined ) {\n\n\t\t\t// Ignore empty accessors, which may be used to declare runtime\n\t\t\t// information about attributes coming from another source (e.g. Draco\n\t\t\t// compression extension).\n\t\t\treturn Promise.resolve( null );\n\n\t\t}\n\n\t\tconst pendingBufferViews = [];\n\n\t\tif ( accessorDef.bufferView !== undefined ) {\n\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.bufferView ) );\n\n\t\t} else {\n\n\t\t\tpendingBufferViews.push( null );\n\n\t\t}\n\n\t\tif ( accessorDef.sparse !== undefined ) {\n\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.indices.bufferView ) );\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.values.bufferView ) );\n\n\t\t}\n\n\t\treturn Promise.all( pendingBufferViews ).then( function ( bufferViews ) {\n\n\t\t\tconst bufferView = bufferViews[ 0 ];\n\n\t\t\tconst itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];\n\t\t\tconst TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];\n\n\t\t\t// For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.\n\t\t\tconst elementBytes = TypedArray.BYTES_PER_ELEMENT;\n\t\t\tconst itemBytes = elementBytes * itemSize;\n\t\t\tconst byteOffset = accessorDef.byteOffset || 0;\n\t\t\tconst byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[ accessorDef.bufferView ].byteStride : undefined;\n\t\t\tconst normalized = accessorDef.normalized === true;\n\t\t\tlet array, bufferAttribute;\n\n\t\t\t// The buffer is not interleaved if the stride is the item size in bytes.\n\t\t\tif ( byteStride && byteStride !== itemBytes ) {\n\n\t\t\t\t// Each \"slice\" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own InterleavedBuffer\n\t\t\t\t// This makes sure that IBA.count reflects accessor.count properly\n\t\t\t\tconst ibSlice = Math.floor( byteOffset / byteStride );\n\t\t\t\tconst ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;\n\t\t\t\tlet ib = parser.cache.get( ibCacheKey );\n\n\t\t\t\tif ( ! ib ) {\n\n\t\t\t\t\tarray = new TypedArray( bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes );\n\n\t\t\t\t\t// Integer parameters to IB/IBA are in array elements, not bytes.\n\t\t\t\t\tib = new InterleavedBuffer( array, byteStride / elementBytes );\n\n\t\t\t\t\tparser.cache.add( ibCacheKey, ib );\n\n\t\t\t\t}\n\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( ib, itemSize, ( byteOffset % byteStride ) / elementBytes, normalized );\n\n\t\t\t} else {\n\n\t\t\t\tif ( bufferView === null ) {\n\n\t\t\t\t\tarray = new TypedArray( accessorDef.count * itemSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tarray = new TypedArray( bufferView, byteOffset, accessorDef.count * itemSize );\n\n\t\t\t\t}\n\n\t\t\t\tbufferAttribute = new BufferAttribute( array, itemSize, normalized );\n\n\t\t\t}\n\n\t\t\t// https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors\n\t\t\tif ( accessorDef.sparse !== undefined ) {\n\n\t\t\t\tconst itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;\n\t\t\t\tconst TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ];\n\n\t\t\t\tconst byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;\n\t\t\t\tconst byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;\n\n\t\t\t\tconst sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices );\n\t\t\t\tconst sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize );\n\n\t\t\t\tif ( bufferView !== null ) {\n\n\t\t\t\t\t// Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.\n\t\t\t\t\tbufferAttribute = new BufferAttribute( bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, il = sparseIndices.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst index = sparseIndices[ i ];\n\n\t\t\t\t\tbufferAttribute.setX( index, sparseValues[ i * itemSize ] );\n\t\t\t\t\tif ( itemSize >= 2 ) bufferAttribute.setY( index, sparseValues[ i * itemSize + 1 ] );\n\t\t\t\t\tif ( itemSize >= 3 ) bufferAttribute.setZ( index, sparseValues[ i * itemSize + 2 ] );\n\t\t\t\t\tif ( itemSize >= 4 ) bufferAttribute.setW( index, sparseValues[ i * itemSize + 3 ] );\n\t\t\t\t\tif ( itemSize >= 5 ) throw new Error( 'THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn bufferAttribute;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures\n\t * @param {number} textureIndex\n\t * @return {Promise}\n\t */\n\tloadTexture( textureIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst options = this.options;\n\t\tconst textureDef = json.textures[ textureIndex ];\n\t\tconst sourceIndex = textureDef.source;\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tlet loader = this.textureLoader;\n\n\t\tif ( sourceDef.uri ) {\n\n\t\t\tconst handler = options.manager.getHandler( sourceDef.uri );\n\t\t\tif ( handler !== null ) loader = handler;\n\n\t\t}\n\n\t\treturn this.loadTextureImage( textureIndex, sourceIndex, loader );\n\n\t}\n\n\tloadTextureImage( textureIndex, sourceIndex, loader ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tconst cacheKey = ( sourceDef.uri || sourceDef.bufferView ) + ':' + textureDef.sampler;\n\n\t\tif ( this.textureCache[ cacheKey ] ) {\n\n\t\t\t// See https://github.com/mrdoob/three.js/issues/21559.\n\t\t\treturn this.textureCache[ cacheKey ];\n\n\t\t}\n\n\t\tconst promise = this.loadImageSource( sourceIndex, loader ).then( function ( texture ) {\n\n\t\t\ttexture.flipY = false;\n\n\t\t\tif ( textureDef.name ) texture.name = textureDef.name;\n\n\t\t\tconst samplers = json.samplers || {};\n\t\t\tconst sampler = samplers[ textureDef.sampler ] || {};\n\n\t\t\ttexture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || LinearFilter;\n\t\t\ttexture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || LinearMipmapLinearFilter;\n\t\t\ttexture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || RepeatWrapping;\n\t\t\ttexture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || RepeatWrapping;\n\n\t\t\tparser.associations.set( texture, { textures: textureIndex } );\n\n\t\t\treturn texture;\n\n\t\t} ).catch( function () {\n\n\t\t\treturn null;\n\n\t\t} );\n\n\t\tthis.textureCache[ cacheKey ] = promise;\n\n\t\treturn promise;\n\n\t}\n\n\tloadImageSource( sourceIndex, loader ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst options = this.options;\n\n\t\tif ( this.sourceCache[ sourceIndex ] !== undefined ) {\n\n\t\t\treturn this.sourceCache[ sourceIndex ].then( ( texture ) => texture.clone() );\n\n\t\t}\n\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tconst URL = self.URL || self.webkitURL;\n\n\t\tlet sourceURI = sourceDef.uri || '';\n\t\tlet isObjectURL = false;\n\n\t\tif ( sourceDef.bufferView !== undefined ) {\n\n\t\t\t// Load binary image data from bufferView, if provided.\n\n\t\t\tsourceURI = parser.getDependency( 'bufferView', sourceDef.bufferView ).then( function ( bufferView ) {\n\n\t\t\t\tisObjectURL = true;\n\t\t\t\tconst blob = new Blob( [ bufferView ], { type: sourceDef.mimeType } );\n\t\t\t\tsourceURI = URL.createObjectURL( blob );\n\t\t\t\treturn sourceURI;\n\n\t\t\t} );\n\n\t\t} else if ( sourceDef.uri === undefined ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Image ' + sourceIndex + ' is missing URI and bufferView' );\n\n\t\t}\n\n\t\tconst promise = Promise.resolve( sourceURI ).then( function ( sourceURI ) {\n\n\t\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\t\tlet onLoad = resolve;\n\n\t\t\t\tif ( loader.isImageBitmapLoader === true ) {\n\n\t\t\t\t\tonLoad = function ( imageBitmap ) {\n\n\t\t\t\t\t\tconst texture = new Texture( imageBitmap );\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tresolve( texture );\n\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tloader.load( LoaderUtils.resolveURL( sourceURI, options.path ), onLoad, undefined, reject );\n\n\t\t\t} );\n\n\t\t} ).then( function ( texture ) {\n\n\t\t\t// Clean up resources and configure Texture.\n\n\t\t\tif ( isObjectURL === true ) {\n\n\t\t\t\tURL.revokeObjectURL( sourceURI );\n\n\t\t\t}\n\n\t\t\ttexture.userData.mimeType = sourceDef.mimeType || getImageURIMimeType( sourceDef.uri );\n\n\t\t\treturn texture;\n\n\t\t} ).catch( function ( error ) {\n\n\t\t\tconsole.error( 'THREE.GLTFLoader: Couldn\\'t load texture', sourceURI );\n\t\t\tthrow error;\n\n\t\t} );\n\n\t\tthis.sourceCache[ sourceIndex ] = promise;\n\t\treturn promise;\n\n\t}\n\n\t/**\n\t * Asynchronously assigns a texture to the given material parameters.\n\t * @param {Object} materialParams\n\t * @param {string} mapName\n\t * @param {Object} mapDef\n\t * @return {Promise}\n\t */\n\tassignTexture( materialParams, mapName, mapDef, encoding ) {\n\n\t\tconst parser = this;\n\n\t\treturn this.getDependency( 'texture', mapDef.index ).then( function ( texture ) {\n\n\t\t\t// Materials sample aoMap from UV set 1 and other maps from UV set 0 - this can't be configured\n\t\t\t// However, we will copy UV set 0 to UV set 1 on demand for aoMap\n\t\t\tif ( mapDef.texCoord !== undefined && mapDef.texCoord != 0 && ! ( mapName === 'aoMap' && mapDef.texCoord == 1 ) ) {\n\n\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Custom UV set ' + mapDef.texCoord + ' for texture ' + mapName + ' not yet supported.' );\n\n\t\t\t}\n\n\t\t\tif ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) {\n\n\t\t\t\tconst transform = mapDef.extensions !== undefined ? mapDef.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] : undefined;\n\n\t\t\t\tif ( transform ) {\n\n\t\t\t\t\tconst gltfReference = parser.associations.get( texture );\n\t\t\t\t\ttexture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, transform );\n\t\t\t\t\tparser.associations.set( texture, gltfReference );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( encoding !== undefined ) {\n\n\t\t\t\ttexture.encoding = encoding;\n\n\t\t\t}\n\n\t\t\tmaterialParams[ mapName ] = texture;\n\n\t\t\treturn texture;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Assigns final material to a Mesh, Line, or Points instance. The instance\n\t * already has a material (generated from the glTF material options alone)\n\t * but reuse of the same glTF material may require multiple threejs materials\n\t * to accommodate different primitive types, defines, etc. New materials will\n\t * be created if necessary, and reused from a cache.\n\t * @param {Object3D} mesh Mesh, Line, or Points instance.\n\t */\n\tassignFinalMaterial( mesh ) {\n\n\t\tconst geometry = mesh.geometry;\n\t\tlet material = mesh.material;\n\n\t\tconst useDerivativeTangents = geometry.attributes.tangent === undefined;\n\t\tconst useVertexColors = geometry.attributes.color !== undefined;\n\t\tconst useFlatShading = geometry.attributes.normal === undefined;\n\n\t\tif ( mesh.isPoints ) {\n\n\t\t\tconst cacheKey = 'PointsMaterial:' + material.uuid;\n\n\t\t\tlet pointsMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! pointsMaterial ) {\n\n\t\t\t\tpointsMaterial = new PointsMaterial();\n\t\t\t\tMaterial.prototype.copy.call( pointsMaterial, material );\n\t\t\t\tpointsMaterial.color.copy( material.color );\n\t\t\t\tpointsMaterial.map = material.map;\n\t\t\t\tpointsMaterial.sizeAttenuation = false; // glTF spec says points should be 1px\n\n\t\t\t\tthis.cache.add( cacheKey, pointsMaterial );\n\n\t\t\t}\n\n\t\t\tmaterial = pointsMaterial;\n\n\t\t} else if ( mesh.isLine ) {\n\n\t\t\tconst cacheKey = 'LineBasicMaterial:' + material.uuid;\n\n\t\t\tlet lineMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! lineMaterial ) {\n\n\t\t\t\tlineMaterial = new LineBasicMaterial();\n\t\t\t\tMaterial.prototype.copy.call( lineMaterial, material );\n\t\t\t\tlineMaterial.color.copy( material.color );\n\n\t\t\t\tthis.cache.add( cacheKey, lineMaterial );\n\n\t\t\t}\n\n\t\t\tmaterial = lineMaterial;\n\n\t\t}\n\n\t\t// Clone the material if it will be modified\n\t\tif ( useDerivativeTangents || useVertexColors || useFlatShading ) {\n\n\t\t\tlet cacheKey = 'ClonedMaterial:' + material.uuid + ':';\n\n\t\t\tif ( material.isGLTFSpecularGlossinessMaterial ) cacheKey += 'specular-glossiness:';\n\t\t\tif ( useDerivativeTangents ) cacheKey += 'derivative-tangents:';\n\t\t\tif ( useVertexColors ) cacheKey += 'vertex-colors:';\n\t\t\tif ( useFlatShading ) cacheKey += 'flat-shading:';\n\n\t\t\tlet cachedMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! cachedMaterial ) {\n\n\t\t\t\tcachedMaterial = material.clone();\n\n\t\t\t\tif ( useVertexColors ) cachedMaterial.vertexColors = true;\n\t\t\t\tif ( useFlatShading ) cachedMaterial.flatShading = true;\n\n\t\t\t\tif ( useDerivativeTangents ) {\n\n\t\t\t\t\t// https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995\n\t\t\t\t\tif ( cachedMaterial.normalScale ) cachedMaterial.normalScale.y *= - 1;\n\t\t\t\t\tif ( cachedMaterial.clearcoatNormalScale ) cachedMaterial.clearcoatNormalScale.y *= - 1;\n\n\t\t\t\t}\n\n\t\t\t\tthis.cache.add( cacheKey, cachedMaterial );\n\n\t\t\t\tthis.associations.set( cachedMaterial, this.associations.get( material ) );\n\n\t\t\t}\n\n\t\t\tmaterial = cachedMaterial;\n\n\t\t}\n\n\t\t// workarounds for mesh and geometry\n\n\t\tif ( material.aoMap && geometry.attributes.uv2 === undefined && geometry.attributes.uv !== undefined ) {\n\n\t\t\tgeometry.setAttribute( 'uv2', geometry.attributes.uv );\n\n\t\t}\n\n\t\tmesh.material = material;\n\n\t}\n\n\tgetMaterialType( /* materialIndex */ ) {\n\n\t\treturn MeshStandardMaterial;\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials\n\t * @param {number} materialIndex\n\t * @return {Promise}\n\t */\n\tloadMaterial( materialIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\t\tconst materialDef = json.materials[ materialIndex ];\n\n\t\tlet materialType;\n\t\tconst materialParams = {};\n\t\tconst materialExtensions = materialDef.extensions || {};\n\n\t\tconst pending = [];\n\n\t\tif ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ] ) {\n\n\t\t\tconst sgExtension = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ];\n\t\t\tmaterialType = sgExtension.getMaterialType();\n\t\t\tpending.push( sgExtension.extendParams( materialParams, materialDef, parser ) );\n\n\t\t} else if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) {\n\n\t\t\tconst kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ];\n\t\t\tmaterialType = kmuExtension.getMaterialType();\n\t\t\tpending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) );\n\n\t\t} else {\n\n\t\t\t// Specification:\n\t\t\t// https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material\n\n\t\t\tconst metallicRoughness = materialDef.pbrMetallicRoughness || {};\n\n\t\t\tmaterialParams.color = new Color( 1.0, 1.0, 1.0 );\n\t\t\tmaterialParams.opacity = 1.0;\n\n\t\t\tif ( Array.isArray( metallicRoughness.baseColorFactor ) ) {\n\n\t\t\t\tconst array = metallicRoughness.baseColorFactor;\n\n\t\t\t\tmaterialParams.color.fromArray( array );\n\t\t\t\tmaterialParams.opacity = array[ 3 ];\n\n\t\t\t}\n\n\t\t\tif ( metallicRoughness.baseColorTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, sRGBEncoding ) );\n\n\t\t\t}\n\n\t\t\tmaterialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;\n\t\t\tmaterialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;\n\n\t\t\tif ( metallicRoughness.metallicRoughnessTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture ) );\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture ) );\n\n\t\t\t}\n\n\t\t\tmaterialType = this._invokeOne( function ( ext ) {\n\n\t\t\t\treturn ext.getMaterialType && ext.getMaterialType( materialIndex );\n\n\t\t\t} );\n\n\t\t\tpending.push( Promise.all( this._invokeAll( function ( ext ) {\n\n\t\t\t\treturn ext.extendMaterialParams && ext.extendMaterialParams( materialIndex, materialParams );\n\n\t\t\t} ) ) );\n\n\t\t}\n\n\t\tif ( materialDef.doubleSided === true ) {\n\n\t\t\tmaterialParams.side = DoubleSide;\n\n\t\t}\n\n\t\tconst alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;\n\n\t\tif ( alphaMode === ALPHA_MODES.BLEND ) {\n\n\t\t\tmaterialParams.transparent = true;\n\n\t\t\t// See: https://github.com/mrdoob/three.js/issues/17706\n\t\t\tmaterialParams.depthWrite = false;\n\n\t\t} else {\n\n\t\t\tmaterialParams.transparent = false;\n\n\t\t\tif ( alphaMode === ALPHA_MODES.MASK ) {\n\n\t\t\t\tmaterialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.normalTexture !== undefined && materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture ) );\n\n\t\t\tmaterialParams.normalScale = new Vector2( 1, 1 );\n\n\t\t\tif ( materialDef.normalTexture.scale !== undefined ) {\n\n\t\t\t\tconst scale = materialDef.normalTexture.scale;\n\n\t\t\t\tmaterialParams.normalScale.set( scale, scale );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.occlusionTexture !== undefined && materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture ) );\n\n\t\t\tif ( materialDef.occlusionTexture.strength !== undefined ) {\n\n\t\t\t\tmaterialParams.aoMapIntensity = materialDef.occlusionTexture.strength;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.emissiveFactor !== undefined && materialType !== MeshBasicMaterial ) {\n\n\t\t\tmaterialParams.emissive = new Color().fromArray( materialDef.emissiveFactor );\n\n\t\t}\n\n\t\tif ( materialDef.emissiveTexture !== undefined && materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture, sRGBEncoding ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending ).then( function () {\n\n\t\t\tlet material;\n\n\t\t\tif ( materialType === GLTFMeshStandardSGMaterial ) {\n\n\t\t\t\tmaterial = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].createMaterial( materialParams );\n\n\t\t\t} else {\n\n\t\t\t\tmaterial = new materialType( materialParams );\n\n\t\t\t}\n\n\t\t\tif ( materialDef.name ) material.name = materialDef.name;\n\n\t\t\tassignExtrasToUserData( material, materialDef );\n\n\t\t\tparser.associations.set( material, { materials: materialIndex } );\n\n\t\t\tif ( materialDef.extensions ) addUnknownExtensionsToUserData( extensions, material, materialDef );\n\n\t\t\treturn material;\n\n\t\t} );\n\n\t}\n\n\t/** When Object3D instances are targeted by animation, they need unique names. */\n\tcreateUniqueName( originalName ) {\n\n\t\tconst sanitizedName = PropertyBinding.sanitizeNodeName( originalName || '' );\n\n\t\tlet name = sanitizedName;\n\n\t\tfor ( let i = 1; this.nodeNamesUsed[ name ]; ++ i ) {\n\n\t\t\tname = sanitizedName + '_' + i;\n\n\t\t}\n\n\t\tthis.nodeNamesUsed[ name ] = true;\n\n\t\treturn name;\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry\n\t *\n\t * Creates BufferGeometries from primitives.\n\t *\n\t * @param {Array} primitives\n\t * @return {Promise>}\n\t */\n\tloadGeometries( primitives ) {\n\n\t\tconst parser = this;\n\t\tconst extensions = this.extensions;\n\t\tconst cache = this.primitiveCache;\n\n\t\tfunction createDracoPrimitive( primitive ) {\n\n\t\t\treturn extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ]\n\t\t\t\t.decodePrimitive( primitive, parser )\n\t\t\t\t.then( function ( geometry ) {\n\n\t\t\t\t\treturn addPrimitiveAttributes( geometry, primitive, parser );\n\n\t\t\t\t} );\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = primitives.length; i < il; i ++ ) {\n\n\t\t\tconst primitive = primitives[ i ];\n\t\t\tconst cacheKey = createPrimitiveKey( primitive );\n\n\t\t\t// See if we've already created this geometry\n\t\t\tconst cached = cache[ cacheKey ];\n\n\t\t\tif ( cached ) {\n\n\t\t\t\t// Use the cached geometry if it exists\n\t\t\t\tpending.push( cached.promise );\n\n\t\t\t} else {\n\n\t\t\t\tlet geometryPromise;\n\n\t\t\t\tif ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) {\n\n\t\t\t\t\t// Use DRACO geometry if available\n\t\t\t\t\tgeometryPromise = createDracoPrimitive( primitive );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Otherwise create a new geometry\n\t\t\t\t\tgeometryPromise = addPrimitiveAttributes( new BufferGeometry(), primitive, parser );\n\n\t\t\t\t}\n\n\t\t\t\t// Cache this geometry\n\t\t\t\tcache[ cacheKey ] = { primitive: primitive, promise: geometryPromise };\n\n\t\t\t\tpending.push( geometryPromise );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes\n\t * @param {number} meshIndex\n\t * @return {Promise}\n\t */\n\tloadMesh( meshIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\n\t\tconst meshDef = json.meshes[ meshIndex ];\n\t\tconst primitives = meshDef.primitives;\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = primitives.length; i < il; i ++ ) {\n\n\t\t\tconst material = primitives[ i ].material === undefined\n\t\t\t\t? createDefaultMaterial( this.cache )\n\t\t\t\t: this.getDependency( 'material', primitives[ i ].material );\n\n\t\t\tpending.push( material );\n\n\t\t}\n\n\t\tpending.push( parser.loadGeometries( primitives ) );\n\n\t\treturn Promise.all( pending ).then( function ( results ) {\n\n\t\t\tconst materials = results.slice( 0, results.length - 1 );\n\t\t\tconst geometries = results[ results.length - 1 ];\n\n\t\t\tconst meshes = [];\n\n\t\t\tfor ( let i = 0, il = geometries.length; i < il; i ++ ) {\n\n\t\t\t\tconst geometry = geometries[ i ];\n\t\t\t\tconst primitive = primitives[ i ];\n\n\t\t\t\t// 1. create Mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tconst material = materials[ i ];\n\n\t\t\t\tif ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES ||\n\t\t\t\t\t\tprimitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ||\n\t\t\t\t\t\tprimitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ||\n\t\t\t\t\t\tprimitive.mode === undefined ) {\n\n\t\t\t\t\t// .isSkinnedMesh isn't in glTF spec. See ._markDefs()\n\t\t\t\t\tmesh = meshDef.isSkinnedMesh === true\n\t\t\t\t\t\t? new SkinnedMesh( geometry, material )\n\t\t\t\t\t\t: new Mesh( geometry, material );\n\n\t\t\t\t\tif ( mesh.isSkinnedMesh === true && ! mesh.geometry.attributes.skinWeight.normalized ) {\n\n\t\t\t\t\t\t// we normalize floating point skin weight array to fix malformed assets (see #15319)\n\t\t\t\t\t\t// it's important to skip this for non-float32 data since normalizeSkinWeights assumes non-normalized inputs\n\t\t\t\t\t\tmesh.normalizeSkinWeights();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) {\n\n\t\t\t\t\t\tmesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleStripDrawMode );\n\n\t\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) {\n\n\t\t\t\t\t\tmesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleFanDrawMode );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {\n\n\t\t\t\t\tmesh = new LineSegments( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) {\n\n\t\t\t\t\tmesh = new Line( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) {\n\n\t\t\t\t\tmesh = new LineLoop( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) {\n\n\t\t\t\t\tmesh = new Points( geometry, material );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode );\n\n\t\t\t\t}\n\n\t\t\t\tif ( Object.keys( mesh.geometry.morphAttributes ).length > 0 ) {\n\n\t\t\t\t\tupdateMorphTargets( mesh, meshDef );\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = parser.createUniqueName( meshDef.name || ( 'mesh_' + meshIndex ) );\n\n\t\t\t\tassignExtrasToUserData( mesh, meshDef );\n\n\t\t\t\tif ( primitive.extensions ) addUnknownExtensionsToUserData( extensions, mesh, primitive );\n\n\t\t\t\tparser.assignFinalMaterial( mesh );\n\n\t\t\t\tmeshes.push( mesh );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, il = meshes.length; i < il; i ++ ) {\n\n\t\t\t\tparser.associations.set( meshes[ i ], {\n\t\t\t\t\tmeshes: meshIndex,\n\t\t\t\t\tprimitives: i\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( meshes.length === 1 ) {\n\n\t\t\t\treturn meshes[ 0 ];\n\n\t\t\t}\n\n\t\t\tconst group = new Group();\n\n\t\t\tparser.associations.set( group, { meshes: meshIndex } );\n\n\t\t\tfor ( let i = 0, il = meshes.length; i < il; i ++ ) {\n\n\t\t\t\tgroup.add( meshes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras\n\t * @param {number} cameraIndex\n\t * @return {Promise}\n\t */\n\tloadCamera( cameraIndex ) {\n\n\t\tlet camera;\n\t\tconst cameraDef = this.json.cameras[ cameraIndex ];\n\t\tconst params = cameraDef[ cameraDef.type ];\n\n\t\tif ( ! params ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Missing camera parameters.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( cameraDef.type === 'perspective' ) {\n\n\t\t\tcamera = new PerspectiveCamera( MathUtils.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 );\n\n\t\t} else if ( cameraDef.type === 'orthographic' ) {\n\n\t\t\tcamera = new OrthographicCamera( - params.xmag, params.xmag, params.ymag, - params.ymag, params.znear, params.zfar );\n\n\t\t}\n\n\t\tif ( cameraDef.name ) camera.name = this.createUniqueName( cameraDef.name );\n\n\t\tassignExtrasToUserData( camera, cameraDef );\n\n\t\treturn Promise.resolve( camera );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins\n\t * @param {number} skinIndex\n\t * @return {Promise}\n\t */\n\tloadSkin( skinIndex ) {\n\n\t\tconst skinDef = this.json.skins[ skinIndex ];\n\n\t\tconst skinEntry = { joints: skinDef.joints };\n\n\t\tif ( skinDef.inverseBindMatrices === undefined ) {\n\n\t\t\treturn Promise.resolve( skinEntry );\n\n\t\t}\n\n\t\treturn this.getDependency( 'accessor', skinDef.inverseBindMatrices ).then( function ( accessor ) {\n\n\t\t\tskinEntry.inverseBindMatrices = accessor;\n\n\t\t\treturn skinEntry;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations\n\t * @param {number} animationIndex\n\t * @return {Promise}\n\t */\n\tloadAnimation( animationIndex ) {\n\n\t\tconst json = this.json;\n\n\t\tconst animationDef = json.animations[ animationIndex ];\n\n\t\tconst pendingNodes = [];\n\t\tconst pendingInputAccessors = [];\n\t\tconst pendingOutputAccessors = [];\n\t\tconst pendingSamplers = [];\n\t\tconst pendingTargets = [];\n\n\t\tfor ( let i = 0, il = animationDef.channels.length; i < il; i ++ ) {\n\n\t\t\tconst channel = animationDef.channels[ i ];\n\t\t\tconst sampler = animationDef.samplers[ channel.sampler ];\n\t\t\tconst target = channel.target;\n\t\t\tconst name = target.node !== undefined ? target.node : target.id; // NOTE: target.id is deprecated.\n\t\t\tconst input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input;\n\t\t\tconst output = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.output ] : sampler.output;\n\n\t\t\tpendingNodes.push( this.getDependency( 'node', name ) );\n\t\t\tpendingInputAccessors.push( this.getDependency( 'accessor', input ) );\n\t\t\tpendingOutputAccessors.push( this.getDependency( 'accessor', output ) );\n\t\t\tpendingSamplers.push( sampler );\n\t\t\tpendingTargets.push( target );\n\n\t\t}\n\n\t\treturn Promise.all( [\n\n\t\t\tPromise.all( pendingNodes ),\n\t\t\tPromise.all( pendingInputAccessors ),\n\t\t\tPromise.all( pendingOutputAccessors ),\n\t\t\tPromise.all( pendingSamplers ),\n\t\t\tPromise.all( pendingTargets )\n\n\t\t] ).then( function ( dependencies ) {\n\n\t\t\tconst nodes = dependencies[ 0 ];\n\t\t\tconst inputAccessors = dependencies[ 1 ];\n\t\t\tconst outputAccessors = dependencies[ 2 ];\n\t\t\tconst samplers = dependencies[ 3 ];\n\t\t\tconst targets = dependencies[ 4 ];\n\n\t\t\tconst tracks = [];\n\n\t\t\tfor ( let i = 0, il = nodes.length; i < il; i ++ ) {\n\n\t\t\t\tconst node = nodes[ i ];\n\t\t\t\tconst inputAccessor = inputAccessors[ i ];\n\t\t\t\tconst outputAccessor = outputAccessors[ i ];\n\t\t\t\tconst sampler = samplers[ i ];\n\t\t\t\tconst target = targets[ i ];\n\n\t\t\t\tif ( node === undefined ) continue;\n\n\t\t\t\tnode.updateMatrix();\n\n\t\t\t\tlet TypedKeyframeTrack;\n\n\t\t\t\tswitch ( PATH_PROPERTIES[ target.path ] ) {\n\n\t\t\t\t\tcase PATH_PROPERTIES.weights:\n\n\t\t\t\t\t\tTypedKeyframeTrack = NumberKeyframeTrack;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase PATH_PROPERTIES.rotation:\n\n\t\t\t\t\t\tTypedKeyframeTrack = QuaternionKeyframeTrack;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase PATH_PROPERTIES.position:\n\t\t\t\t\tcase PATH_PROPERTIES.scale:\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tTypedKeyframeTrack = VectorKeyframeTrack;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tconst targetName = node.name ? node.name : node.uuid;\n\n\t\t\t\tconst interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : InterpolateLinear;\n\n\t\t\t\tconst targetNames = [];\n\n\t\t\t\tif ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) {\n\n\t\t\t\t\tnode.traverse( function ( object ) {\n\n\t\t\t\t\t\tif ( object.morphTargetInfluences ) {\n\n\t\t\t\t\t\t\ttargetNames.push( object.name ? object.name : object.uuid );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttargetNames.push( targetName );\n\n\t\t\t\t}\n\n\t\t\t\tlet outputArray = outputAccessor.array;\n\n\t\t\t\tif ( outputAccessor.normalized ) {\n\n\t\t\t\t\tconst scale = getNormalizedComponentScale( outputArray.constructor );\n\t\t\t\t\tconst scaled = new Float32Array( outputArray.length );\n\n\t\t\t\t\tfor ( let j = 0, jl = outputArray.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tscaled[ j ] = outputArray[ j ] * scale;\n\n\t\t\t\t\t}\n\n\t\t\t\t\toutputArray = scaled;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0, jl = targetNames.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst track = new TypedKeyframeTrack(\n\t\t\t\t\t\ttargetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ],\n\t\t\t\t\t\tinputAccessor.array,\n\t\t\t\t\t\toutputArray,\n\t\t\t\t\t\tinterpolation\n\t\t\t\t\t);\n\n\t\t\t\t\t// Override interpolation with custom factory method.\n\t\t\t\t\tif ( sampler.interpolation === 'CUBICSPLINE' ) {\n\n\t\t\t\t\t\ttrack.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) {\n\n\t\t\t\t\t\t\t// A CUBICSPLINE keyframe in glTF has three output values for each input value,\n\t\t\t\t\t\t\t// representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize()\n\t\t\t\t\t\t\t// must be divided by three to get the interpolant's sampleSize argument.\n\n\t\t\t\t\t\t\tconst interpolantType = ( this instanceof QuaternionKeyframeTrack ) ? GLTFCubicSplineQuaternionInterpolant : GLTFCubicSplineInterpolant;\n\n\t\t\t\t\t\t\treturn new interpolantType( this.times, this.values, this.getValueSize() / 3, result );\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t\t// Mark as CUBICSPLINE. `track.getInterpolation()` doesn't support custom interpolants.\n\t\t\t\t\t\ttrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( track );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst name = animationDef.name ? animationDef.name : 'animation_' + animationIndex;\n\n\t\t\treturn new AnimationClip( name, undefined, tracks );\n\n\t\t} );\n\n\t}\n\n\tcreateNodeMesh( nodeIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst parser = this;\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\tif ( nodeDef.mesh === undefined ) return null;\n\n\t\treturn parser.getDependency( 'mesh', nodeDef.mesh ).then( function ( mesh ) {\n\n\t\t\tconst node = parser._getNodeRef( parser.meshCache, nodeDef.mesh, mesh );\n\n\t\t\t// if weights are provided on the node, override weights on the mesh.\n\t\t\tif ( nodeDef.weights !== undefined ) {\n\n\t\t\t\tnode.traverse( function ( o ) {\n\n\t\t\t\t\tif ( ! o.isMesh ) return;\n\n\t\t\t\t\tfor ( let i = 0, il = nodeDef.weights.length; i < il; i ++ ) {\n\n\t\t\t\t\t\to.morphTargetInfluences[ i ] = nodeDef.weights[ i ];\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy\n\t * @param {number} nodeIndex\n\t * @return {Promise}\n\t */\n\tloadNode( nodeIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\t\tconst parser = this;\n\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\t// reserve node's name before its dependencies, so the root has the intended name.\n\t\tconst nodeName = nodeDef.name ? parser.createUniqueName( nodeDef.name ) : '';\n\n\t\treturn ( function () {\n\n\t\t\tconst pending = [];\n\n\t\t\tconst meshPromise = parser._invokeOne( function ( ext ) {\n\n\t\t\t\treturn ext.createNodeMesh && ext.createNodeMesh( nodeIndex );\n\n\t\t\t} );\n\n\t\t\tif ( meshPromise ) {\n\n\t\t\t\tpending.push( meshPromise );\n\n\t\t\t}\n\n\t\t\tif ( nodeDef.camera !== undefined ) {\n\n\t\t\t\tpending.push( parser.getDependency( 'camera', nodeDef.camera ).then( function ( camera ) {\n\n\t\t\t\t\treturn parser._getNodeRef( parser.cameraCache, nodeDef.camera, camera );\n\n\t\t\t\t} ) );\n\n\t\t\t}\n\n\t\t\tparser._invokeAll( function ( ext ) {\n\n\t\t\t\treturn ext.createNodeAttachment && ext.createNodeAttachment( nodeIndex );\n\n\t\t\t} ).forEach( function ( promise ) {\n\n\t\t\t\tpending.push( promise );\n\n\t\t\t} );\n\n\t\t\treturn Promise.all( pending );\n\n\t\t}() ).then( function ( objects ) {\n\n\t\t\tlet node;\n\n\t\t\t// .isBone isn't in glTF spec. See ._markDefs\n\t\t\tif ( nodeDef.isBone === true ) {\n\n\t\t\t\tnode = new Bone();\n\n\t\t\t} else if ( objects.length > 1 ) {\n\n\t\t\t\tnode = new Group();\n\n\t\t\t} else if ( objects.length === 1 ) {\n\n\t\t\t\tnode = objects[ 0 ];\n\n\t\t\t} else {\n\n\t\t\t\tnode = new Object3D();\n\n\t\t\t}\n\n\t\t\tif ( node !== objects[ 0 ] ) {\n\n\t\t\t\tfor ( let i = 0, il = objects.length; i < il; i ++ ) {\n\n\t\t\t\t\tnode.add( objects[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( nodeDef.name ) {\n\n\t\t\t\tnode.userData.name = nodeDef.name;\n\t\t\t\tnode.name = nodeName;\n\n\t\t\t}\n\n\t\t\tassignExtrasToUserData( node, nodeDef );\n\n\t\t\tif ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef );\n\n\t\t\tif ( nodeDef.matrix !== undefined ) {\n\n\t\t\t\tconst matrix = new Matrix4();\n\t\t\t\tmatrix.fromArray( nodeDef.matrix );\n\t\t\t\tnode.applyMatrix4( matrix );\n\n\t\t\t} else {\n\n\t\t\t\tif ( nodeDef.translation !== undefined ) {\n\n\t\t\t\t\tnode.position.fromArray( nodeDef.translation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( nodeDef.rotation !== undefined ) {\n\n\t\t\t\t\tnode.quaternion.fromArray( nodeDef.rotation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( nodeDef.scale !== undefined ) {\n\n\t\t\t\t\tnode.scale.fromArray( nodeDef.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ! parser.associations.has( node ) ) {\n\n\t\t\t\tparser.associations.set( node, {} );\n\n\t\t\t}\n\n\t\t\tparser.associations.get( node ).nodes = nodeIndex;\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes\n\t * @param {number} sceneIndex\n\t * @return {Promise}\n\t */\n\tloadScene( sceneIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\t\tconst sceneDef = this.json.scenes[ sceneIndex ];\n\t\tconst parser = this;\n\n\t\t// Loader returns Group, not Scene.\n\t\t// See: https://github.com/mrdoob/three.js/issues/18342#issuecomment-578981172\n\t\tconst scene = new Group();\n\t\tif ( sceneDef.name ) scene.name = parser.createUniqueName( sceneDef.name );\n\n\t\tassignExtrasToUserData( scene, sceneDef );\n\n\t\tif ( sceneDef.extensions ) addUnknownExtensionsToUserData( extensions, scene, sceneDef );\n\n\t\tconst nodeIds = sceneDef.nodes || [];\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = nodeIds.length; i < il; i ++ ) {\n\n\t\t\tpending.push( buildNodeHierarchy( nodeIds[ i ], scene, json, parser ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending ).then( function () {\n\n\t\t\t// Removes dangling associations, associations that reference a node that\n\t\t\t// didn't make it into the scene.\n\t\t\tconst reduceAssociations = ( node ) => {\n\n\t\t\t\tconst reducedAssociations = new Map();\n\n\t\t\t\tfor ( const [ key, value ] of parser.associations ) {\n\n\t\t\t\t\tif ( key instanceof Material || key instanceof Texture ) {\n\n\t\t\t\t\t\treducedAssociations.set( key, value );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tnode.traverse( ( node ) => {\n\n\t\t\t\t\tconst mappings = parser.associations.get( node );\n\n\t\t\t\t\tif ( mappings != null ) {\n\n\t\t\t\t\t\treducedAssociations.set( node, mappings );\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn reducedAssociations;\n\n\t\t\t};\n\n\t\t\tparser.associations = reduceAssociations( scene );\n\n\t\t\treturn scene;\n\n\t\t} );\n\n\t}\n\n}\n\nfunction buildNodeHierarchy( nodeId, parentObject, json, parser ) {\n\n\tconst nodeDef = json.nodes[ nodeId ];\n\n\treturn parser.getDependency( 'node', nodeId ).then( function ( node ) {\n\n\t\tif ( nodeDef.skin === undefined ) return node;\n\n\t\t// build skeleton here as well\n\n\t\tlet skinEntry;\n\n\t\treturn parser.getDependency( 'skin', nodeDef.skin ).then( function ( skin ) {\n\n\t\t\tskinEntry = skin;\n\n\t\t\tconst pendingJoints = [];\n\n\t\t\tfor ( let i = 0, il = skinEntry.joints.length; i < il; i ++ ) {\n\n\t\t\t\tpendingJoints.push( parser.getDependency( 'node', skinEntry.joints[ i ] ) );\n\n\t\t\t}\n\n\t\t\treturn Promise.all( pendingJoints );\n\n\t\t} ).then( function ( jointNodes ) {\n\n\t\t\tnode.traverse( function ( mesh ) {\n\n\t\t\t\tif ( ! mesh.isMesh ) return;\n\n\t\t\t\tconst bones = [];\n\t\t\t\tconst boneInverses = [];\n\n\t\t\t\tfor ( let j = 0, jl = jointNodes.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst jointNode = jointNodes[ j ];\n\n\t\t\t\t\tif ( jointNode ) {\n\n\t\t\t\t\t\tbones.push( jointNode );\n\n\t\t\t\t\t\tconst mat = new Matrix4();\n\n\t\t\t\t\t\tif ( skinEntry.inverseBindMatrices !== undefined ) {\n\n\t\t\t\t\t\t\tmat.fromArray( skinEntry.inverseBindMatrices.array, j * 16 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tboneInverses.push( mat );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Joint \"%s\" could not be found.', skinEntry.joints[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.bind( new Skeleton( bones, boneInverses ), mesh.matrixWorld );\n\n\t\t\t} );\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t} ).then( function ( node ) {\n\n\t\t// build node hierachy\n\n\t\tparentObject.add( node );\n\n\t\tconst pending = [];\n\n\t\tif ( nodeDef.children ) {\n\n\t\t\tconst children = nodeDef.children;\n\n\t\t\tfor ( let i = 0, il = children.length; i < il; i ++ ) {\n\n\t\t\t\tconst child = children[ i ];\n\t\t\t\tpending.push( buildNodeHierarchy( child, node, json, parser ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t} );\n\n}\n\n/**\n * @param {BufferGeometry} geometry\n * @param {GLTF.Primitive} primitiveDef\n * @param {GLTFParser} parser\n */\nfunction computeBounds( geometry, primitiveDef, parser ) {\n\n\tconst attributes = primitiveDef.attributes;\n\n\tconst box = new Box3();\n\n\tif ( attributes.POSITION !== undefined ) {\n\n\t\tconst accessor = parser.json.accessors[ attributes.POSITION ];\n\n\t\tconst min = accessor.min;\n\t\tconst max = accessor.max;\n\n\t\t// glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.\n\n\t\tif ( min !== undefined && max !== undefined ) {\n\n\t\t\tbox.set(\n\t\t\t\tnew Vector3( min[ 0 ], min[ 1 ], min[ 2 ] ),\n\t\t\t\tnew Vector3( max[ 0 ], max[ 1 ], max[ 2 ] )\n\t\t\t);\n\n\t\t\tif ( accessor.normalized ) {\n\n\t\t\t\tconst boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] );\n\t\t\t\tbox.min.multiplyScalar( boxScale );\n\t\t\t\tbox.max.multiplyScalar( boxScale );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );\n\n\t\t\treturn;\n\n\t\t}\n\n\t} else {\n\n\t\treturn;\n\n\t}\n\n\tconst targets = primitiveDef.targets;\n\n\tif ( targets !== undefined ) {\n\n\t\tconst maxDisplacement = new Vector3();\n\t\tconst vector = new Vector3();\n\n\t\tfor ( let i = 0, il = targets.length; i < il; i ++ ) {\n\n\t\t\tconst target = targets[ i ];\n\n\t\t\tif ( target.POSITION !== undefined ) {\n\n\t\t\t\tconst accessor = parser.json.accessors[ target.POSITION ];\n\t\t\t\tconst min = accessor.min;\n\t\t\t\tconst max = accessor.max;\n\n\t\t\t\t// glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.\n\n\t\t\t\tif ( min !== undefined && max !== undefined ) {\n\n\t\t\t\t\t// we need to get max of absolute components because target weight is [-1,1]\n\t\t\t\t\tvector.setX( Math.max( Math.abs( min[ 0 ] ), Math.abs( max[ 0 ] ) ) );\n\t\t\t\t\tvector.setY( Math.max( Math.abs( min[ 1 ] ), Math.abs( max[ 1 ] ) ) );\n\t\t\t\t\tvector.setZ( Math.max( Math.abs( min[ 2 ] ), Math.abs( max[ 2 ] ) ) );\n\n\n\t\t\t\t\tif ( accessor.normalized ) {\n\n\t\t\t\t\t\tconst boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] );\n\t\t\t\t\t\tvector.multiplyScalar( boxScale );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Note: this assumes that the sum of all weights is at most 1. This isn't quite correct - it's more conservative\n\t\t\t\t\t// to assume that each target can have a max weight of 1. However, for some use cases - notably, when morph targets\n\t\t\t\t\t// are used to implement key-frame animations and as such only two are active at a time - this results in very large\n\t\t\t\t\t// boxes. So for now we make a box that's sometimes a touch too small but is hopefully mostly of reasonable size.\n\t\t\t\t\tmaxDisplacement.max( vector );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// As per comment above this box isn't conservative, but has a reasonable size for a very large number of morph targets.\n\t\tbox.expandByVector( maxDisplacement );\n\n\t}\n\n\tgeometry.boundingBox = box;\n\n\tconst sphere = new Sphere();\n\n\tbox.getCenter( sphere.center );\n\tsphere.radius = box.min.distanceTo( box.max ) / 2;\n\n\tgeometry.boundingSphere = sphere;\n\n}\n\n/**\n * @param {BufferGeometry} geometry\n * @param {GLTF.Primitive} primitiveDef\n * @param {GLTFParser} parser\n * @return {Promise}\n */\nfunction addPrimitiveAttributes( geometry, primitiveDef, parser ) {\n\n\tconst attributes = primitiveDef.attributes;\n\n\tconst pending = [];\n\n\tfunction assignAttributeAccessor( accessorIndex, attributeName ) {\n\n\t\treturn parser.getDependency( 'accessor', accessorIndex )\n\t\t\t.then( function ( accessor ) {\n\n\t\t\t\tgeometry.setAttribute( attributeName, accessor );\n\n\t\t\t} );\n\n\t}\n\n\tfor ( const gltfAttributeName in attributes ) {\n\n\t\tconst threeAttributeName = ATTRIBUTES[ gltfAttributeName ] || gltfAttributeName.toLowerCase();\n\n\t\t// Skip attributes already provided by e.g. Draco extension.\n\t\tif ( threeAttributeName in geometry.attributes ) continue;\n\n\t\tpending.push( assignAttributeAccessor( attributes[ gltfAttributeName ], threeAttributeName ) );\n\n\t}\n\n\tif ( primitiveDef.indices !== undefined && ! geometry.index ) {\n\n\t\tconst accessor = parser.getDependency( 'accessor', primitiveDef.indices ).then( function ( accessor ) {\n\n\t\t\tgeometry.setIndex( accessor );\n\n\t\t} );\n\n\t\tpending.push( accessor );\n\n\t}\n\n\tassignExtrasToUserData( geometry, primitiveDef );\n\n\tcomputeBounds( geometry, primitiveDef, parser );\n\n\treturn Promise.all( pending ).then( function () {\n\n\t\treturn primitiveDef.targets !== undefined\n\t\t\t? addMorphTargets( geometry, primitiveDef.targets, parser )\n\t\t\t: geometry;\n\n\t} );\n\n}\n\n/**\n * @param {BufferGeometry} geometry\n * @param {Number} drawMode\n * @return {BufferGeometry}\n */\nfunction toTrianglesDrawMode( geometry, drawMode ) {\n\n\tlet index = geometry.getIndex();\n\n\t// generate index if not present\n\n\tif ( index === null ) {\n\n\t\tconst indices = [];\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < position.count; i ++ ) {\n\n\t\t\t\tindices.push( i );\n\n\t\t\t}\n\n\t\t\tgeometry.setIndex( indices );\n\t\t\tindex = geometry.getIndex();\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' );\n\t\t\treturn geometry;\n\n\t\t}\n\n\t}\n\n\t//\n\n\tconst numberOfTriangles = index.count - 2;\n\tconst newIndices = [];\n\n\tif ( drawMode === TriangleFanDrawMode ) {\n\n\t\t// gl.TRIANGLE_FAN\n\n\t\tfor ( let i = 1; i <= numberOfTriangles; i ++ ) {\n\n\t\t\tnewIndices.push( index.getX( 0 ) );\n\t\t\tnewIndices.push( index.getX( i ) );\n\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\n\t\t}\n\n\t} else {\n\n\t\t// gl.TRIANGLE_STRIP\n\n\t\tfor ( let i = 0; i < numberOfTriangles; i ++ ) {\n\n\t\t\tif ( i % 2 === 0 ) {\n\n\t\t\t\tnewIndices.push( index.getX( i ) );\n\t\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\t\t\t\tnewIndices.push( index.getX( i + 2 ) );\n\n\n\t\t\t} else {\n\n\t\t\t\tnewIndices.push( index.getX( i + 2 ) );\n\t\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\t\t\t\tnewIndices.push( index.getX( i ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tif ( ( newIndices.length / 3 ) !== numberOfTriangles ) {\n\n\t\tconsole.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Unable to generate correct amount of triangles.' );\n\n\t}\n\n\t// build final geometry\n\n\tconst newGeometry = geometry.clone();\n\tnewGeometry.setIndex( newIndices );\n\n\treturn newGeometry;\n\n}\n\nexport { GLTFLoader };\n","import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3,\n\tColor\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\nconst _face_vertex_data_separator_pattern = /\\s+/;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nconst _color = new Color();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet result = [];\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tconst line = lines[ i ].trimStart();\n\n\t\t\tif ( line.length === 0 ) continue;\n\n\t\t\tconst lineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue;\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( _face_vertex_data_separator_pattern );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\t_color.setRGB(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] )\n\t\t\t\t\t\t\t).convertSRGBToLinear();\n\n\t\t\t\t\t\t\tstate.colors.push( _color.r, _color.g, _color.b );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( _face_vertex_data_separator_pattern );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].slice( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n","import {\n\tBufferAttribute,\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tLoader,\n\tLoaderUtils,\n\tVector3\n} from 'three';\n\n/**\n * Description: A THREE loader for STL ASCII files, as created by Solidworks and other CAD programs.\n *\n * Supports both binary and ASCII encoded files, with automatic detection of type.\n *\n * The loader returns a non-indexed buffer geometry.\n *\n * Limitations:\n * Binary decoding supports \"Magics\" color format (http://en.wikipedia.org/wiki/STL_(file_format)#Color_in_binary_STL).\n * There is perhaps some question as to how valid it is to always assume little-endian-ness.\n * ASCII decoding assumes file is UTF-8.\n *\n * Usage:\n * const loader = new STLLoader();\n * loader.load( './models/stl/slotted_disk.stl', function ( geometry ) {\n * scene.add( new THREE.Mesh( geometry ) );\n * });\n *\n * For binary STLs geometry might contain colors for vertices. To use it:\n * // use the same code to load STL as above\n * if (geometry.hasColors) {\n * material = new THREE.MeshPhongMaterial({ opacity: geometry.alpha, vertexColors: true });\n * } else { .... }\n * const mesh = new THREE.Mesh( geometry, material );\n *\n * For ASCII STLs containing multiple solids, each solid is assigned to a different group.\n * Groups can be used to assign a different color by defining an array of materials with the same length of\n * geometry.groups and passing it to the Mesh constructor:\n *\n * const mesh = new THREE.Mesh( geometry, material );\n *\n * For example:\n *\n * const materials = [];\n * const nGeometryGroups = geometry.groups.length;\n *\n * const colorMap = ...; // Some logic to index colors.\n *\n * for (let i = 0; i < nGeometryGroups; i++) {\n *\n *\t\tconst material = new THREE.MeshPhongMaterial({\n *\t\t\tcolor: colorMap[i],\n *\t\t\twireframe: false\n *\t\t});\n *\n * }\n *\n * materials.push(material);\n * const mesh = new THREE.Mesh(geometry, materials);\n */\n\n\nclass STLLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( data ) {\n\n\t\tfunction isBinary( data ) {\n\n\t\t\tconst reader = new DataView( data );\n\t\t\tconst face_size = ( 32 / 8 * 3 ) + ( ( 32 / 8 * 3 ) * 3 ) + ( 16 / 8 );\n\t\t\tconst n_faces = reader.getUint32( 80, true );\n\t\t\tconst expect = 80 + ( 32 / 8 ) + ( n_faces * face_size );\n\n\t\t\tif ( expect === reader.byteLength ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// An ASCII STL data must begin with 'solid ' as the first six bytes.\n\t\t\t// However, ASCII STLs lacking the SPACE after the 'd' are known to be\n\t\t\t// plentiful. So, check the first 5 bytes for 'solid'.\n\n\t\t\t// Several encodings, such as UTF-8, precede the text with up to 5 bytes:\n\t\t\t// https://en.wikipedia.org/wiki/Byte_order_mark#Byte_order_marks_by_encoding\n\t\t\t// Search for \"solid\" to start anywhere after those prefixes.\n\n\t\t\t// US-ASCII ordinal values for 's', 'o', 'l', 'i', 'd'\n\n\t\t\tconst solid = [ 115, 111, 108, 105, 100 ];\n\n\t\t\tfor ( let off = 0; off < 5; off ++ ) {\n\n\t\t\t\t// If \"solid\" text is matched to the current offset, declare it to be an ASCII STL.\n\n\t\t\t\tif ( matchDataViewAt( solid, reader, off ) ) return false;\n\n\t\t\t}\n\n\t\t\t// Couldn't find \"solid\" text at the beginning; it is binary STL.\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction matchDataViewAt( query, reader, offset ) {\n\n\t\t\t// Check if each byte in query matches the corresponding byte from the current offset\n\n\t\t\tfor ( let i = 0, il = query.length; i < il; i ++ ) {\n\n\t\t\t\tif ( query[ i ] !== reader.getUint8( offset + i ) ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction parseBinary( data ) {\n\n\t\t\tconst reader = new DataView( data );\n\t\t\tconst faces = reader.getUint32( 80, true );\n\n\t\t\tlet r, g, b, hasColors = false, colors;\n\t\t\tlet defaultR, defaultG, defaultB, alpha;\n\n\t\t\t// process STL header\n\t\t\t// check for default color in header (\"COLOR=rgba\" sequence).\n\n\t\t\tfor ( let index = 0; index < 80 - 10; index ++ ) {\n\n\t\t\t\tif ( ( reader.getUint32( index, false ) == 0x434F4C4F /*COLO*/ ) &&\n\t\t\t\t\t( reader.getUint8( index + 4 ) == 0x52 /*'R'*/ ) &&\n\t\t\t\t\t( reader.getUint8( index + 5 ) == 0x3D /*'='*/ ) ) {\n\n\t\t\t\t\thasColors = true;\n\t\t\t\t\tcolors = new Float32Array( faces * 3 * 3 );\n\n\t\t\t\t\tdefaultR = reader.getUint8( index + 6 ) / 255;\n\t\t\t\t\tdefaultG = reader.getUint8( index + 7 ) / 255;\n\t\t\t\t\tdefaultB = reader.getUint8( index + 8 ) / 255;\n\t\t\t\t\talpha = reader.getUint8( index + 9 ) / 255;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst dataOffset = 84;\n\t\t\tconst faceLength = 12 * 4 + 2;\n\n\t\t\tconst geometry = new BufferGeometry();\n\n\t\t\tconst vertices = new Float32Array( faces * 3 * 3 );\n\t\t\tconst normals = new Float32Array( faces * 3 * 3 );\n\n\t\t\tfor ( let face = 0; face < faces; face ++ ) {\n\n\t\t\t\tconst start = dataOffset + face * faceLength;\n\t\t\t\tconst normalX = reader.getFloat32( start, true );\n\t\t\t\tconst normalY = reader.getFloat32( start + 4, true );\n\t\t\t\tconst normalZ = reader.getFloat32( start + 8, true );\n\n\t\t\t\tif ( hasColors ) {\n\n\t\t\t\t\tconst packedColor = reader.getUint16( start + 48, true );\n\n\t\t\t\t\tif ( ( packedColor & 0x8000 ) === 0 ) {\n\n\t\t\t\t\t\t// facet has its own unique color\n\n\t\t\t\t\t\tr = ( packedColor & 0x1F ) / 31;\n\t\t\t\t\t\tg = ( ( packedColor >> 5 ) & 0x1F ) / 31;\n\t\t\t\t\t\tb = ( ( packedColor >> 10 ) & 0x1F ) / 31;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tr = defaultR;\n\t\t\t\t\t\tg = defaultG;\n\t\t\t\t\t\tb = defaultB;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 1; i <= 3; i ++ ) {\n\n\t\t\t\t\tconst vertexstart = start + i * 12;\n\t\t\t\t\tconst componentIdx = ( face * 3 * 3 ) + ( ( i - 1 ) * 3 );\n\n\t\t\t\t\tvertices[ componentIdx ] = reader.getFloat32( vertexstart, true );\n\t\t\t\t\tvertices[ componentIdx + 1 ] = reader.getFloat32( vertexstart + 4, true );\n\t\t\t\t\tvertices[ componentIdx + 2 ] = reader.getFloat32( vertexstart + 8, true );\n\n\t\t\t\t\tnormals[ componentIdx ] = normalX;\n\t\t\t\t\tnormals[ componentIdx + 1 ] = normalY;\n\t\t\t\t\tnormals[ componentIdx + 2 ] = normalZ;\n\n\t\t\t\t\tif ( hasColors ) {\n\n\t\t\t\t\t\tcolors[ componentIdx ] = r;\n\t\t\t\t\t\tcolors[ componentIdx + 1 ] = g;\n\t\t\t\t\t\tcolors[ componentIdx + 2 ] = b;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\t\tgeometry.setAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\n\t\t\tif ( hasColors ) {\n\n\t\t\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\t\t\t\tgeometry.hasColors = true;\n\t\t\t\tgeometry.alpha = alpha;\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction parseASCII( data ) {\n\n\t\t\tconst geometry = new BufferGeometry();\n\t\t\tconst patternSolid = /solid([\\s\\S]*?)endsolid/g;\n\t\t\tconst patternFace = /facet([\\s\\S]*?)endfacet/g;\n\t\t\tlet faceCounter = 0;\n\n\t\t\tconst patternFloat = /[\\s]+([+-]?(?:\\d*)(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)/.source;\n\t\t\tconst patternVertex = new RegExp( 'vertex' + patternFloat + patternFloat + patternFloat, 'g' );\n\t\t\tconst patternNormal = new RegExp( 'normal' + patternFloat + patternFloat + patternFloat, 'g' );\n\n\t\t\tconst vertices = [];\n\t\t\tconst normals = [];\n\n\t\t\tconst normal = new Vector3();\n\n\t\t\tlet result;\n\n\t\t\tlet groupCount = 0;\n\t\t\tlet startVertex = 0;\n\t\t\tlet endVertex = 0;\n\n\t\t\twhile ( ( result = patternSolid.exec( data ) ) !== null ) {\n\n\t\t\t\tstartVertex = endVertex;\n\n\t\t\t\tconst solid = result[ 0 ];\n\n\t\t\t\twhile ( ( result = patternFace.exec( solid ) ) !== null ) {\n\n\t\t\t\t\tlet vertexCountPerFace = 0;\n\t\t\t\t\tlet normalCountPerFace = 0;\n\n\t\t\t\t\tconst text = result[ 0 ];\n\n\t\t\t\t\twhile ( ( result = patternNormal.exec( text ) ) !== null ) {\n\n\t\t\t\t\t\tnormal.x = parseFloat( result[ 1 ] );\n\t\t\t\t\t\tnormal.y = parseFloat( result[ 2 ] );\n\t\t\t\t\t\tnormal.z = parseFloat( result[ 3 ] );\n\t\t\t\t\t\tnormalCountPerFace ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\twhile ( ( result = patternVertex.exec( text ) ) !== null ) {\n\n\t\t\t\t\t\tvertices.push( parseFloat( result[ 1 ] ), parseFloat( result[ 2 ] ), parseFloat( result[ 3 ] ) );\n\t\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\t\t\t\t\t\tvertexCountPerFace ++;\n\t\t\t\t\t\tendVertex ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// every face have to own ONE valid normal\n\n\t\t\t\t\tif ( normalCountPerFace !== 1 ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.STLLoader: Something isn\\'t right with the normal of face number ' + faceCounter );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// each face have to own THREE valid vertices\n\n\t\t\t\t\tif ( vertexCountPerFace !== 3 ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.STLLoader: Something isn\\'t right with the vertices of face number ' + faceCounter );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCounter ++;\n\n\t\t\t\t}\n\n\t\t\t\tconst start = startVertex;\n\t\t\t\tconst count = endVertex - startVertex;\n\n\t\t\t\tgeometry.addGroup( start, count, groupCount );\n\t\t\t\tgroupCount ++;\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\t\tgeometry.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction ensureString( buffer ) {\n\n\t\t\tif ( typeof buffer !== 'string' ) {\n\n\t\t\t\treturn LoaderUtils.decodeText( new Uint8Array( buffer ) );\n\n\t\t\t}\n\n\t\t\treturn buffer;\n\n\t\t}\n\n\t\tfunction ensureBinary( buffer ) {\n\n\t\t\tif ( typeof buffer === 'string' ) {\n\n\t\t\t\tconst array_buffer = new Uint8Array( buffer.length );\n\t\t\t\tfor ( let i = 0; i < buffer.length; i ++ ) {\n\n\t\t\t\t\tarray_buffer[ i ] = buffer.charCodeAt( i ) & 0xff; // implicitly assumes little-endian\n\n\t\t\t\t}\n\n\t\t\t\treturn array_buffer.buffer || array_buffer;\n\n\t\t\t} else {\n\n\t\t\t\treturn buffer;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// start\n\n\t\tconst binData = ensureBinary( data );\n\n\t\treturn isBinary( binData ) ? parseBinary( binData ) : parseASCII( ensureString( data ) );\n\n\t}\n\n}\n\nexport { STLLoader };\n","import {\n\tBox2,\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tLoader,\n\tMatrix3,\n\tPath,\n\tShape,\n\tShapePath,\n\tShapeUtils,\n\tVector2,\n\tVector3\n} from 'three';\n\nclass SVGLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\t// Default dots per inch\n\t\tthis.defaultDPI = 90;\n\n\t\t// Accepted units: 'mm', 'cm', 'in', 'pt', 'pc', 'px'\n\t\tthis.defaultUnit = 'px';\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst scope = this;\n\n\t\tfunction parseNode( node, style ) {\n\n\t\t\tif ( node.nodeType !== 1 ) return;\n\n\t\t\tconst transform = getNodeTransform( node );\n\n\t\t\tlet isDefsNode = false;\n\n\t\t\tlet path = null;\n\n\t\t\tswitch ( node.nodeName ) {\n\n\t\t\t\tcase 'svg':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'style':\n\t\t\t\t\tparseCSSStylesheet( node );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'g':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'path':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tif ( node.hasAttribute( 'd' ) ) path = parsePathNode( node );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'rect':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tpath = parseRectNode( node );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'polygon':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tpath = parsePolygonNode( node );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'polyline':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tpath = parsePolylineNode( node );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'circle':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tpath = parseCircleNode( node );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'ellipse':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tpath = parseEllipseNode( node );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'line':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\t\t\t\t\tpath = parseLineNode( node );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'defs':\n\t\t\t\t\tisDefsNode = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'use':\n\t\t\t\t\tstyle = parseStyle( node, style );\n\n\t\t\t\t\tconst href = node.getAttributeNS( 'http://www.w3.org/1999/xlink', 'href' ) || '';\n\t\t\t\t\tconst usedNodeId = href.substring( 1 );\n\t\t\t\t\tconst usedNode = node.viewportElement.getElementById( usedNodeId );\n\t\t\t\t\tif ( usedNode ) {\n\n\t\t\t\t\t\tparseNode( usedNode, style );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'SVGLoader: \\'use node\\' references non-existent node id: ' + usedNodeId );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\t// console.log( node );\n\n\t\t\t}\n\n\t\t\tif ( path ) {\n\n\t\t\t\tif ( style.fill !== undefined && style.fill !== 'none' ) {\n\n\t\t\t\t\tpath.color.setStyle( style.fill );\n\n\t\t\t\t}\n\n\t\t\t\ttransformPath( path, currentTransform );\n\n\t\t\t\tpaths.push( path );\n\n\t\t\t\tpath.userData = { node: node, style: style };\n\n\t\t\t}\n\n\t\t\tconst childNodes = node.childNodes;\n\n\t\t\tfor ( let i = 0; i < childNodes.length; i ++ ) {\n\n\t\t\t\tconst node = childNodes[ i ];\n\n\t\t\t\tif ( isDefsNode && node.nodeName !== 'style' && node.nodeName !== 'defs' ) {\n\n\t\t\t\t\t// Ignore everything in defs except CSS style definitions\n\t\t\t\t\t// and nested defs, because it is OK by the standard to have\n\t\t\t\t\t//