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<!DOCTYPE HTML>
<html>
<!-- HEADER -->
<head>
<meta charset="UTF-8">
<title>Short Blips</title>
<script type="text/bitsyGameData" id="exportedGameData">
Short Blips
# BITSY VERSION 8.9
! VER_MAJ 8
! VER_MIN 9
! ROOM_FORMAT 1
! DLG_COMPAT 0
! TXT_MODE 0
PAL 0
237,20,4
255,4,226
255,255,255
NAME House
PAL 1
245,53,22
125,255,52
255,255,255
NAME School
PAL 2
21,236,245
238,1,255
255,255,255
NAME Graduation
PAL 3
49,235,228
255,3,20
255,255,255
NAME Wedding
PAL 4
0,0,0
28,49,255
255,255,255
NAME Death
ROOM 0
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
0,a,a,a,a,a,a,a,a,a,a,a,a,a,a,0
0,a,0,0,0,0,0,a,0,0,0,0,0,0,a,0
0,a,0,0,0,0,0,a,0,0,0,0,0,0,a,0
0,a,0,0,0,0,0,a,0,0,0,0,0,0,a,0
0,a,0,0,0,0,0,a,0,0,0,0,0,0,a,0
0,a,0,0,0,0,0,a,0,0,0,0,0,0,a,0
0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
0,a,0,0,0,0,0,a,a,a,a,a,a,a,a,0
0,a,0,a,a,0,0,0,0,a,0,0,0,0,a,0
0,a,0,0,0,a,0,0,0,a,0,0,0,0,a,a
0,a,0,0,0,0,a,0,0,0,0,0,0,0,0,a
0,a,0,0,0,0,0,a,0,0,0,0,0,0,0,0
0,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
NAME House
EXT 15,13 1 2,13
PAL 0
TUNE 2
ROOM 1
a,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,a,a,a,a,a,0,0,0,0,0,0,a,a,a,a
a,a,a,a,a,a,0,0,0,0,0,0,a,0,0,0
a,a,a,a,a,a,a,a,a,0,0,0,a,0,a,0
a,a,a,a,a,a,a,a,a,0,0,0,a,0,a,0
a,a,a,a,a,a,a,a,a,a,0,0,a,0,a,0
a,0,0,0,0,0,0,0,0,0,0,0,a,0,0,0
a,0,0,0,0,0,0,0,0,a,a,a,a,0,a,0
a,0,0,0,0,0,0,0,0,a,0,0,0,0,a,0
a,0,0,0,0,0,0,0,0,a,0,0,0,0,0,0
a,0,0,0,0,0,0,0,0,a,0,0,0,0,0,0
a,0,0,0,0,0,0,0,0,a,a,a,a,a,a,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
a,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
NAME School
EXT 15,14 2 3,13
PAL 1
ROOM 2
a,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
a,0,0,0,0,0,0,0,0,0,a,0,0,a,a,a
a,0,0,0,0,0,0,0,0,0,a,a,a,a,0,0
a,0,a,0,a,a,0,a,0,0,0,0,0,0,0,a
a,0,a,0,a,a,0,a,0,0,0,0,0,0,0,a
a,0,a,0,a,a,0,a,0,0,0,0,0,0,0,a
a,0,a,0,a,a,0,a,0,0,0,0,0,0,0,a
a,0,a,0,a,a,0,a,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,a,a,0,0,0,0,a
a,0,0,0,0,0,0,0,0,a,a,0,0,0,0,a
a,0,0,0,0,0,0,0,0,a,a,a,a,a,a,a
a,0,0,0,0,0,0,0,a,a,a,a,a,a,a,a
a,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
NAME Graduation
EXT 15,2 3 6,2
PAL 2
ROOM 3
a,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,a,a,0,0,0,0,0,0,a
a,0,0,0,0,a,0,0,0,0,a,0,0,0,0,a
a,0,0,0,a,a,0,0,0,0,a,a,0,0,0,a
a,0,0,0,a,a,0,0,0,0,a,a,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,a,a,a,a,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,a,a,a,a,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,a,a,a,a,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
a,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
NAME Wedding
EXT 15,14 4 8,14
PAL 3
ROOM 4
a,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,a
a,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
a,a,a,a,a,a,a,a,a,a,a,a,a,a,a,a
NAME Death
END 9 15,14
PAL 4
TIL a
11111111
11111111
11111111
11111111
11111111
11111111
11111111
11111111
NAME block
WAL true
SPR A
00011000
00011000
00011000
00111100
01111110
10111101
00100100
00100100
POS 0 4,9
SPR b
00000000
00000000
00011000
00111100
01111110
10111101
10100101
00100100
NAME NPC1
DLG 3
POS 0 10,6
SPR c
00000000
00000000
00011000
00111100
01111110
10111101
10100101
00100100
NAME NPC2
DLG 4
POS 0 12,6
SPR d
00000000
00000000
00011000
00111100
01111110
10111101
10100101
00100100
NAME Friend1
DLG 5
POS 1 4,9
SPR e
00000000
00000000
00011000
00111100
01111110
10111101
10100101
00100100
NAME Friend 2
DLG 6
POS 2 10,7
SPR f
00000000
00000000
00011000
00111100
01111110
10111101
10100101
00100100
NAME Wife
DLG 7
POS 3 9,2
SPR g
00000000
00000000
00000000
00011000
00111100
00111100
00111100
00111100
NAME Headstone
DLG 8
POS 4 8,4
ITM 0
00000000
00000000
00000000
00111100
01100100
00100100
00011000
00000000
NAME tea
DLG 1
ITM 1
00000000
00111100
00100100
00111100
00010000
00011000
00010000
00011000
NAME key
DLG 2
BLIP 2
DLG 1
You found a nice warm cup of tea
NAME tea dialog
DLG 2
A key! {wvy}What does it open?{wvy}
NAME key dialog
DLG 3
Our new child has been born.
NAME NPC1 dialog
DLG 4
What a wonderful child.
NAME NPC2 dialog
DLG 5
Today is the first day of class! My name is "..."
NAME Friend1 dialog
DLG 6
Today is the last day of college. I am so happy.
NAME Friend 2 dialog
DLG 7
I do...
NAME Wife dialog
DLG 8
Life is short...
NAME Headstone dialog
DLG 9
Short Blips
NAME ending 1
VAR a
42
TUNE 1
3d,0,0,0,3d5,0,0,0,3l,0,0,0,3s,0,0,0
16d2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
>
4l,0,0,0,s,0,3l,0,0,0,2s,0,2m,0,2r,0
16m2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
>
3d,0,0,0,3d5,0,0,0,3l,0,0,0,3s,0,0,0
16l2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
>
3l,0,0,0,s,0,4m,0,0,0,4r,0,0,0,0,0
16s2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
NAME finale fanfare
KEY C,D,E,F,G,A,B d,r,m,s,l
TMP XFST
SQR P2 P8
ARP INT8
TUNE 2
0,0,2G,0,A,0,B,0,2C5,0,B,A,G,0,2G,0
G3,0,D,0,G3,0,D,0,2A3,0,E,0,C,0,E,0
>
2F#,0,G,0,A,0,F#,0,2E,0,F#,E,4D,0,0,0
2D,0,E,0,F#,0,D,0,2C,0,2G3,0,2F#3,0,D2,0
>
0,0,2G,0,A,0,B,0,2C5,0,B,A,G,0,G,0
2G2,0,D,D5,G3,G,D,0,2C2,0,E,E5,C3,C,E5,0
>
2D,0,C5,B,A,0,A,0,4A,0,0,0,F#,0,0,0
A2,0,E3,0,C3,0,E3,0,D3,0,A3,0,D,0,0,0
>
2E5,0,2G,0,2G5,0,2G,0,2F#5,0,2E5,0,2D5,0,2C5,0
2C3,0,2E,0,2E5,0,2C,0,2A3,0,2C,0,2F#,0,2E,0
>
3B,0,0,0,2E5,0,D5,0,4A,0,0,0,G,0,0,0
2G3,0,B3,0,2D,0,D3,0,2C3,0,G3,0,D#,0,0,0
>
0,0,2G,0,A,0,2B,0,C5,0,B,C5,A,0,G,0
A2,0,A3,0,C,0,2D,0,D#,0,D,E,C,0,C3,0
>
8B,0,0,0,0,0,0,0,A,0,2F#,0,E,0,D,0
D3,0,A3,0,F#,0,D,0,C,0,2D3,0,C3,0,F#3,0
NAME tuneful town
TMP FST
SQR P4 P2
TUNE 3
3F5,0,0,A#,0,2C#5,0,A#,3F5,0,0,F#5,0,0,2F5,0
A#3,C#,F,0,0,F,C#,F,A#3,C#,F,A#,0,A#,C#,F
>
3F5,0,0,A,0,2C#5,0,A,3F5,0,0,2A#5,0,A#,D#5,0
A3,C#,F,A3,0,F,C#,F,A,C#,F,0,D#,0,C#5,0
>
4F5,0,0,0,G#,2C#5,0,G#,3F5,0,0,D#5,0,F5,2C#5,0
G#3,C#,F,3F#,0,0,2F,0,G#3,C#,F,F#,B,A,F,D#
>
4D#5,0,0,0,0,0,2A#,0,4A#,0,0,0,0,0,A#,C5
G3,D#,F,G,0,D#,F,G,G3,D#,G,F,0,F,D#,C#3
>
4C#5,0,0,0,0,0,2C#5,0,3C#5,0,0,D#5,0,0,2C#5,0
F#2,C#,F#3,A#3,0,F#3,C#3,F#3,F#2,A,F#3,C#,0,F#3,A3,F#3
>
3C#5,0,0,F,3C5,0,0,C,3C5,0,0,D#,3A#,0,0,0
F2,D#3,A3,0,0,F3,C#,0,F#2,A#3,D#3,0,0,F#3,C#,C
>
3A#,0,0,0,C5,0,C#5,0,A#,0,C#,D#,G#,G#3,0,C#3
C3,A#3,C,E,A,0,A#,0,0,B2,B3,0,2F,0,0,0
>
A#,0,A#3,0,C#,0,F,0,A#,0,0,0,0,0,0,0
A#2,0,C#3,0,F3,0,A#3,0,D,0,0,0,0,F#3,0,F3
NAME rhythmic ruins
TMP MED
SQR P4 P4
BLIP 1
E5,B5,B5
NAME meow
ENV 40 99 4 185 138
BEAT 61 115
SQR P2
BLIP 2
D5,E5,D5
NAME pick up key
ENV 99 65 6 96 152
BEAT 95 0
SQR P4
</script>
<style>
html {
margin:0px;
padding:0px;
}
body {
margin:0px;
padding:0px;
overflow:hidden;
background:#ffffff;
}
#game {
background:black;
width:100vw;
max-width:100vh;
margin:auto;
display:block;
}
</style>
<!-- SCRIPTS -->
<script>
function startExportedGame() {
var gameCanvas = document.getElementById("game");
var gameData = document.getElementById("exportedGameData").text.slice(1);
var defaultFontData = document.getElementById(defaultFontName).text.slice(1);
loadGame(gameCanvas, gameData, defaultFontData);
initSystem();
}
</script>
<!-- system -->
<script>
function InputSystem() {
var self = this;
this.Key = {
LEFT: 37,
RIGHT: 39,
UP: 38,
DOWN: 40,
SPACE: 32,
ENTER: 13,
W: 87,
A: 65,
S: 83,
D: 68,
R: 82,
SHIFT: 16,
CTRL: 17,
ALT: 18,
CMD: 224
};
var pressed;
var ignored;
var touchState;
var isRestartComboPressed = false;
var SwipeDir = {
None : -1,
Up : 0,
Down : 1,
Left : 2,
Right : 3,
};
function resetAll() {
isRestartComboPressed = false;
pressed = {};
ignored = {};
touchState = {
isDown : false,
startX : 0,
startY : 0,
curX : 0,
curY : 0,
swipeDistance : 30,
swipeDirection : SwipeDir.None,
tapReleased : false
};
}
resetAll();
function stopWindowScrolling(e) {
if (e.keyCode == self.Key.LEFT || e.keyCode == self.Key.RIGHT || e.keyCode == self.Key.UP || e.keyCode == self.Key.DOWN || !isPlayerEmbeddedInEditor) {
e.preventDefault();
}
}
function isRestartCombo(e) {
return (e.keyCode === self.Key.R && (e.getModifierState("Control")|| e.getModifierState("Meta")));
}
function eventIsModifier(event) {
return (event.keyCode == self.Key.SHIFT || event.keyCode == self.Key.CTRL || event.keyCode == self.Key.ALT || event.keyCode == self.Key.CMD);
}
function isModifierKeyDown() {
return (self.isKeyDown(self.Key.SHIFT) || self.isKeyDown(self.Key.CTRL) || self.isKeyDown(self.Key.ALT) || self.isKeyDown(self.Key.CMD));
}
this.ignoreHeldKeys = function() {
for (var key in pressed) {
if (pressed[key]) { // only ignore keys that are actually held
ignored[key] = true;
// bitsyLog("IGNORE -- " + key, "system");
}
}
}
this.onkeydown = function(event) {
enableGlobalAudioContext();
// bitsyLog("KEYDOWN -- " + event.keyCode, "system");
stopWindowScrolling(event);
isRestartComboPressed = isRestartCombo(event);
// Special keys being held down can interfere with keyup events and lock movement
// so just don't collect input when they're held
{
if (isModifierKeyDown()) {
return;
}
if (eventIsModifier(event)) {
resetAll();
}
}
if (ignored[event.keyCode]) {
return;
}
pressed[event.keyCode] = true;
ignored[event.keyCode] = false;
}
this.onkeyup = function(event) {
// bitsyLog("KEYUP -- " + event.keyCode, "system");
pressed[event.keyCode] = false;
ignored[event.keyCode] = false;
}
this.ontouchstart = function(event) {
enableGlobalAudioContext();
event.preventDefault();
if( event.changedTouches.length > 0 ) {
touchState.isDown = true;
touchState.startX = touchState.curX = event.changedTouches[0].clientX;
touchState.startY = touchState.curY = event.changedTouches[0].clientY;
touchState.swipeDirection = SwipeDir.None;
}
}
this.ontouchmove = function(event) {
event.preventDefault();
if( touchState.isDown && event.changedTouches.length > 0 ) {
touchState.curX = event.changedTouches[0].clientX;
touchState.curY = event.changedTouches[0].clientY;
var prevDirection = touchState.swipeDirection;
if( touchState.curX - touchState.startX <= -touchState.swipeDistance ) {
touchState.swipeDirection = SwipeDir.Left;
}
else if( touchState.curX - touchState.startX >= touchState.swipeDistance ) {
touchState.swipeDirection = SwipeDir.Right;
}
else if( touchState.curY - touchState.startY <= -touchState.swipeDistance ) {
touchState.swipeDirection = SwipeDir.Up;
}
else if( touchState.curY - touchState.startY >= touchState.swipeDistance ) {
touchState.swipeDirection = SwipeDir.Down;
}
if( touchState.swipeDirection != prevDirection ) {
// reset center so changing directions is easier
touchState.startX = touchState.curX;
touchState.startY = touchState.curY;
}
}
}
this.ontouchend = function(event) {
event.preventDefault();
touchState.isDown = false;
if( touchState.swipeDirection == SwipeDir.None ) {
// tap!
touchState.tapReleased = true;
}
touchState.swipeDirection = SwipeDir.None;
}
this.isKeyDown = function(keyCode) {
return pressed[keyCode] != null && pressed[keyCode] == true && (ignored[keyCode] == null || ignored[keyCode] == false);
}
this.anyKeyDown = function() {
var anyKey = false;
for (var key in pressed) {
if (pressed[key] && (ignored[key] == null || ignored[key] == false) &&
!(key === self.Key.UP || key === self.Key.DOWN || key === self.Key.LEFT || key === self.Key.RIGHT) &&
!(key === self.Key.W || key === self.Key.S || key === self.Key.A || key === self.Key.D)) {
// detected that a key other than the d-pad keys are down!
anyKey = true;
}
}
return anyKey;
}
this.isRestartComboPressed = function() {
return isRestartComboPressed;
}
this.swipeLeft = function() {
return touchState.swipeDirection == SwipeDir.Left;
}
this.swipeRight = function() {
return touchState.swipeDirection == SwipeDir.Right;
}
this.swipeUp = function() {
return touchState.swipeDirection == SwipeDir.Up;
}
this.swipeDown = function() {
return touchState.swipeDirection == SwipeDir.Down;
}
this.isTapReleased = function() {
return touchState.tapReleased;
}
this.resetTapReleased = function() {
touchState.tapReleased = false;
}
this.onblur = function() {
// bitsyLog("~~~ BLUR ~~", "system");
resetAll();
}
this.resetAll = resetAll;
this.listen = function(canvas) {
document.addEventListener('keydown', self.onkeydown);
document.addEventListener('keyup', self.onkeyup);
if (isPlayerEmbeddedInEditor) {
canvas.addEventListener('touchstart', self.ontouchstart, {passive:false});
canvas.addEventListener('touchmove', self.ontouchmove, {passive:false});
canvas.addEventListener('touchend', self.ontouchend, {passive:false});
}
else {
// creates a 'touchTrigger' element that covers the entire screen and can universally have touch event listeners added w/o issue.
// we're checking for existing touchTriggers both at game start and end, so it's slightly redundant.
var existingTouchTrigger = document.querySelector('#touchTrigger');
if (existingTouchTrigger === null) {
var touchTrigger = document.createElement("div");
touchTrigger.setAttribute("id","touchTrigger");
// afaik css in js is necessary here to force a fullscreen element
touchTrigger.setAttribute(
"style","position: absolute; top: 0; left: 0; width: 100vw; height: 100vh; overflow: hidden;"
);
document.body.appendChild(touchTrigger);
touchTrigger.addEventListener('touchstart', self.ontouchstart);
touchTrigger.addEventListener('touchmove', self.ontouchmove);
touchTrigger.addEventListener('touchend', self.ontouchend);
}
}
window.onblur = self.onblur;
}
this.unlisten = function(canvas) {
document.removeEventListener('keydown', self.onkeydown);
document.removeEventListener('keyup', self.onkeyup);
if (isPlayerEmbeddedInEditor) {
canvas.removeEventListener('touchstart', self.ontouchstart);
canvas.removeEventListener('touchmove', self.ontouchmove);
canvas.removeEventListener('touchend', self.ontouchend);
}
else {
//check for touchTrigger and removes it
var existingTouchTrigger = document.querySelector('#touchTrigger');
if (existingTouchTrigger !== null) {
existingTouchTrigger.removeEventListener('touchstart', self.ontouchstart);
existingTouchTrigger.removeEventListener('touchmove', self.ontouchmove);
existingTouchTrigger.removeEventListener('touchend', self.ontouchend);
existingTouchTrigger.parentElement.removeChild(existingTouchTrigger);
}
}
window.onblur = null;
}
}
</script>
<script>
// init global audio context
var audioContext = new AudioContext();
function enableGlobalAudioContext() {
audioContext.resume();
}
function SoundSystem() {
var self = this;
// volume
var maxGain = 0.15;
// curves for different pulse wave duties (ratios between on and off)
var dutyCycle_1_8 = new Float32Array(256);
for (var i = 0; i < 256; i++) {
dutyCycle_1_8[i] = ((i / 256) * 2) - 1.75;
}
var dutyCycle_1_4 = new Float32Array(256);
for (var i = 0; i < 256; i++) {
dutyCycle_1_4[i] = ((i / 256) * 2) - 1.5;
}
var dutyCycle_1_2 = new Float32Array(256);
for (var i = 0; i < 256; i++) {
dutyCycle_1_2[i] = ((i / 256) * 2) - 1.0;
}
var dutyCycles = [
dutyCycle_1_8,
dutyCycle_1_4,
dutyCycle_1_2 // square wave
];
function createPulseWidthModulator() {
// the base oscillator: start with a sawtooth wave that we'll shape into a pulse wave
var oscillator = audioContext.createOscillator();
oscillator.type = "sawtooth";
// create a gain node to control the volume of the sound
var volumeControl = audioContext.createGain();
volumeControl.gain.value = 0;
// create a wave shaper that turns the sawtooth wave into a pulse
// by mapping any negative value to -1 and any positive value to 1
var pulseCurve = new Float32Array(256);
for (var i = 0; i < 128; i++) {
pulseCurve[i] = -1;
}
for (var i = 128; i < 256; i++) {
pulseCurve[i] = 1;
}
var pulseShaper = audioContext.createWaveShaper();
pulseShaper.curve = pulseCurve;
var dutyShaper = audioContext.createWaveShaper();
dutyShaper.curve = dutyCycle_1_2;
oscillator.connect(dutyShaper);
dutyShaper.connect(pulseShaper);
pulseShaper.connect(volumeControl);
volumeControl.connect(audioContext.destination);
oscillator.start();
return {
oscillator: oscillator,
volumeControl: volumeControl,
dutyShaper: dutyShaper
};
}
var pulseChannels = [createPulseWidthModulator(), createPulseWidthModulator()];
this.setPulse = function(channel, pulse) {
var pulseChannel = pulseChannels[channel];
pulseChannel.dutyShaper.curve = dutyCycles[pulse];
}
this.setFrequency = function(channel, frequencyHz) {
var pulseChannel = pulseChannels[channel];
// set frequency in hertz
pulseChannel.oscillator.frequency.setValueAtTime(frequencyHz, audioContext.currentTime);
}
this.setVolume = function(channel, volumeNorm) {
var pulseChannel = pulseChannels[channel];
pulseChannel.volumeControl.gain.value = volumeNorm * maxGain;
}
this.mute = function() {
for (var i = 0; i < pulseChannels.length; i++) {
pulseChannels[i].volumeControl.gain.value = 0;
}
}
}
var sound = new SoundSystem();
</script>
<script>
function GraphicsSystem() {
var self = this;
var canvas;
var ctx;
var scale;
var textScale;
var palette = [];
var images = [];
var imageFillColors = [];
function makeFillStyle(color, isTransparent) {
var i = color * 3;
if (isTransparent) {
return "rgba(" + palette[i + 0] + "," + palette[i + 1] + "," + palette[i + 2] + ", 0)";
}
else {
return "rgb(" + palette[i + 0] + "," + palette[i + 1] + "," + palette[i + 2] + ")";
}
}
this._images = images;
this._getPalette = function() {
return palette;
};
// todo : do I really need to pass in size here?
this.attachCanvas = function(c, size) {
canvas = c;
canvas.width = size * scale;
canvas.height = size * scale;
ctx = canvas.getContext("2d");
};
this.getCanvas = function() {
return canvas;
};
this.getContext = function() {
return ctx;
};
this.setScale = function(s) {
scale = s;
};
this.setTextScale = function(s) {
textScale = s;
};
this.getTextScale = function() {
return textScale;
};
this.setPalette = function(p) {
palette = p;
};
// todo : rename this since it doesn't always create a totally new canvas?
this.createImage = function(id, width, height, pixels, useTextScale) {
var imageScale = useTextScale === true ? textScale : scale;
var widthScaled = width * imageScale;
var heightScaled = height * imageScale;
// try to use an existing image canvas if it is the right size,
// instead of expensively creating a new one
var imageCanvas = images[id];
if (imageCanvas === undefined || imageCanvas.width != widthScaled || imageCanvas.height != heightScaled) {
imageCanvas = document.createElement("canvas");
imageCanvas.width = widthScaled;
imageCanvas.height = heightScaled;
}
var imageCtx = imageCanvas.getContext("2d");
// if we know the fill color for this image, we can speed things up
// by filling the whole image with that color
var fillColor;
if (imageFillColors[id] != undefined) {
fillColor = imageFillColors[id];
var isTransparent = (fillColor === 0);
if (isTransparent) {
imageCtx.clearRect(0, 0, imageCanvas.width, imageCanvas.height);
}
else {
imageCtx.fillStyle = makeFillStyle(fillColor, isTransparent);
imageCtx.fillRect(0, 0, imageCanvas.width, imageCanvas.height);
}
}
for (var i = 0; i < pixels.length; i++) {
var x = i % width;
var y = Math.floor(i / width);
var color = pixels[i];
if (color != fillColor) {
var isTransparent = (color === 0);
imageCtx.fillStyle = makeFillStyle(color, isTransparent);
imageCtx.fillRect(x * imageScale, y * imageScale, imageScale, imageScale);
}
}
images[id] = imageCanvas;
};
this.setImageFill = function(id, color) {
imageFillColors[id] = color;
};
this.drawImage = function(id, x, y, destId) {
if (!images[id]) {
bitsyLog("image doesn't exist: " + id, "graphics");
return;
}
var destCtx = ctx;
if (destId != undefined) {
// if there's a destination ID, that means we're drawing this image *onto* another image canvas
var destCanvas = images[destId];
destCtx = destCanvas.getContext("2d");
}
destCtx.drawImage(images[id], x * scale, y * scale, images[id].width, images[id].height);
};
this.hasImage = function(id) {
return images[id] != undefined;
};
this.getImage = function(id) {
return images[id];
};
this.deleteImage = function(id) {
delete images[id];
delete imageFillColors[id];
};
this.getCanvas = function() {
return canvas;
};
this.clearCanvas = function(color) {
bitsyLog("pal? " + palette.length + " / " + color, "graphics");
ctx.fillStyle = makeFillStyle(color);
ctx.fillRect(0, 0, canvas.width, canvas.height);
};
}
</script>
<script>
/* LOGGING */
var DebugLogCategory = {
// system
input: false,
sound: false,
graphics: false,
system: false,