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ztype.js
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ztype.js
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// Built with IMPACT - impactjs.org
(function (window) {
"use strict";
Number.prototype.map = function (istart, istop, ostart, ostop) {
return ostart + (ostop - ostart) * ((this - istart) / (istop - istart));
};
Number.prototype.limit = function (min, max) {
return Math.min(max, Math.max(min, this));
};
Number.prototype.round = function (precision) {
precision = Math.pow(10, precision || 0);
return Math.round(this * precision) / precision;
};
Number.prototype.floor = function () {
return Math.floor(this);
};
Number.prototype.ceil = function () {
return Math.ceil(this);
};
Number.prototype.toInt = function () {
return (this | 0);
};
Number.prototype.toRad = function () {
return (this / 180) * Math.PI;
};
Number.prototype.toDeg = function () {
return (this * 180) / Math.PI;
};
Array.prototype.erase = function (item) {
for (var i = this.length; i--;) {
if (this[i] === item) {
this.splice(i, 1);
}
}
return this;
};
Array.prototype.random = function () {
return this[Math.floor(Math.random() * this.length)];
};
Function.prototype.bind = Function.prototype.bind || function (oThis) {
if (typeof this !== "function") {
throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
}
var aArgs = Array.prototype.slice.call(arguments, 1),
fToBind = this,
fNOP = function () {}, fBound = function () {
return fToBind.apply((this instanceof fNOP && oThis ? this : oThis), aArgs.concat(Array.prototype.slice.call(arguments)));
};
fNOP.prototype = this.prototype;
fBound.prototype = new fNOP();
return fBound;
};
window.ig = {
game: null,
debug: null,
version: '1.23',
global: window,
modules: {},
resources: [],
ready: false,
baked: false,
nocache: '',
ua: {},
prefix: (window.ImpactPrefix || ''),
lib: 'lib/',
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return selector.charAt(0) == '#' ? document.getElementById(selector.substr(1)) : document.getElementsByTagName(selector);
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$new: function (name) {
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},
copy: function (object) {
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return object;
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var c = [];
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c[i] = ig.copy(object[i]);
}
return c;
} else {
var c = {};
for (var i in object) {
c[i] = ig.copy(object[i]);
}
return c;
}
},
merge: function (original, extended) {
for (var key in extended) {
var ext = extended[key];
if (typeof (ext) != 'object' || ext instanceof HTMLElement || ext instanceof ig.Class || ext === null) {
original[key] = ext;
} else {
if (!original[key] || typeof (original[key]) != 'object') {
original[key] = (ext instanceof Array) ? [] : {};
}
ig.merge(original[key], ext);
}
}
return original;
},
ksort: function (obj) {
if (!obj || typeof (obj) != 'object') {
return [];
}
var keys = [],
values = [];
for (var i in obj) {
keys.push(i);
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keys.sort();
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values.push(obj[keys[i]]);
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return values;
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getImagePixels: function (image, x, y, width, height) {
var canvas = ig.$new('canvas');
canvas.width = image.width;
canvas.height = image.height;
var ctx = canvas.getContext('2d');
ig.System.SCALE.CRISP(canvas, ctx);
var ratio = ig.getVendorAttribute(ctx, 'backingStorePixelRatio') || 1;
ig.normalizeVendorAttribute(ctx, 'getImageDataHD');
var realWidth = image.width / ratio,
realHeight = image.height / ratio;
canvas.width = Math.ceil(realWidth);
canvas.height = Math.ceil(realHeight);
ctx.drawImage(image, 0, 0, realWidth, realHeight);
return (ratio === 1) ? ctx.getImageData(x, y, width, height) : ctx.getImageDataHD(x, y, width, height);
},
module: function (name) {
if (ig._current) {
throw ("Module '" + ig._current.name + "' defines nothing");
}
if (ig.modules[name] && ig.modules[name].body) {
throw ("Module '" + name + "' is already defined");
}
ig._current = {
name: name,
requires: [],
loaded: false,
body: null
};
ig.modules[name] = ig._current;
ig._loadQueue.push(ig._current);
return ig;
},
requires: function () {
ig._current.requires = Array.prototype.slice.call(arguments);
return ig;
},
defines: function (body) {
ig._current.body = body;
ig._current = null;
ig._initDOMReady();
},
addResource: function (resource) {
ig.resources.push(resource);
},
setNocache: function (set) {
ig.nocache = set ? '?' + Date.now() : '';
},
log: function () {},
assert: function (condition, msg) {},
show: function (name, number) {},
mark: function (msg, color) {},
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ig.modules[name] = {
name: name,
requires: [],
loaded: false,
body: null
};
ig._waitForOnload++;
var path = ig.prefix + ig.lib + name.replace(/\./g, '/') + '.js' + ig.nocache;
var script = ig.$new('script');
script.type = 'text/javascript';
script.src = path;
script.onload = function () {
ig._waitForOnload--;
ig._execModules();
};
script.onerror = function () {
throw ('Failed to load module ' + name + ' at ' + path + ' ' + 'required from ' + requiredFrom);
};
ig.$('head')[0].appendChild(script);
},
_execModules: function () {
var modulesLoaded = false;
for (var i = 0; i < ig._loadQueue.length; i++) {
var m = ig._loadQueue[i];
var dependenciesLoaded = true;
for (var j = 0; j < m.requires.length; j++) {
var name = m.requires[j];
if (!ig.modules[name]) {
dependenciesLoaded = false;
ig._loadScript(name, m.name);
} else if (!ig.modules[name].loaded) {
dependenciesLoaded = false;
}
}
if (dependenciesLoaded && m.body) {
ig._loadQueue.splice(i, 1);
m.loaded = true;
m.body();
modulesLoaded = true;
i--;
}
}
if (modulesLoaded) {
ig._execModules();
} else if (!ig.baked && ig._waitForOnload == 0 && ig._loadQueue.length != 0) {
var unresolved = [];
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var unloaded = [];
var requires = ig._loadQueue[i].requires;
for (var j = 0; j < requires.length; j++) {
var m = ig.modules[requires[j]];
if (!m || !m.loaded) {
unloaded.push(requires[j]);
}
}
unresolved.push(ig._loadQueue[i].name + ' (requires: ' + unloaded.join(', ') + ')');
}
throw ("Unresolved (or circular?) dependencies. " + "Most likely there's a name/path mismatch for one of the listed modules " + "or a previous syntax error prevents a module from loading:\n" +
unresolved.join('\n'));
}
},
_DOMReady: function () {
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if (!document.body) {
return setTimeout(ig._DOMReady, 13);
}
ig.modules['dom.ready'].loaded = true;
ig._waitForOnload--;
ig._execModules();
}
return 0;
},
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ig.setNocache(true);
}
ig.ua.pixelRatio = window.devicePixelRatio || 1;
ig.ua.viewport = {
width: window.innerWidth,
height: window.innerHeight
};
ig.ua.screen = {
width: window.screen.availWidth * ig.ua.pixelRatio,
height: window.screen.availHeight * ig.ua.pixelRatio
};
ig.ua.iPhone = /iPhone/i.test(navigator.userAgent);
ig.ua.iPhone4 = (ig.ua.iPhone && ig.ua.pixelRatio == 2);
ig.ua.iPad = /iPad/i.test(navigator.userAgent);
ig.ua.android = /android/i.test(navigator.userAgent);
ig.ua.winPhone = /Windows Phone/i.test(navigator.userAgent);
ig.ua.iOS = ig.ua.iPhone || ig.ua.iPad;
ig.ua.mobile = ig.ua.iOS || ig.ua.android || ig.ua.winPhone || /mobile/i.test(navigator.userAgent);
ig.ua.touchDevice = (('ontouchstart' in window) || (window.navigator.msMaxTouchPoints));
},
_initDOMReady: function () {
if (ig.modules['dom.ready']) {
ig._execModules();
return;
}
ig._boot();
ig.modules['dom.ready'] = {
requires: [],
loaded: false,
body: null
};
ig._waitForOnload++;
if (document.readyState === 'complete') {
ig._DOMReady();
} else {
document.addEventListener('DOMContentLoaded', ig._DOMReady, false);
window.addEventListener('load', ig._DOMReady, false);
}
}
};
ig.normalizeVendorAttribute(window, 'requestAnimationFrame');
if (window.requestAnimationFrame) {
var next = 1,
anims = {};
window.ig.setAnimation = function (callback, element) {
var current = next++;
anims[current] = true;
var animate = function () {
if (!anims[current]) {
return;
}
window.requestAnimationFrame(animate, element);
callback();
};
window.requestAnimationFrame(animate, element);
return current;
};
window.ig.clearAnimation = function (id) {
delete anims[id];
};
} else {
window.ig.setAnimation = function (callback, element) {
return window.setInterval(callback, 1000 / 60);
};
window.ig.clearAnimation = function (id) {
window.clearInterval(id);
};
}
var initializing = false,
fnTest = /xyz/.test(function () {
xyz;
}) ? /\bparent\b/ : /.*/;
var lastClassId = 0;
window.ig.Class = function () {};
var inject = function (prop) {
var proto = this.prototype;
var parent = {};
for (var name in prop) {
if (typeof (prop[name]) == "function" && typeof (proto[name]) == "function" && fnTest.test(prop[name])) {
parent[name] = proto[name];
proto[name] = (function (name, fn) {
return function () {
var tmp = this.parent;
this.parent = parent[name];
var ret = fn.apply(this, arguments);
this.parent = tmp;
return ret;
};
})(name, prop[name]);
} else {
proto[name] = prop[name];
}
}
};
window.ig.Class.extend = function (prop) {
var parent = this.prototype;
initializing = true;
var prototype = new this();
initializing = false;
for (var name in prop) {
if (typeof (prop[name]) == "function" && typeof (parent[name]) == "function" && fnTest.test(prop[name])) {
prototype[name] = (function (name, fn) {
return function () {
var tmp = this.parent;
this.parent = parent[name];
var ret = fn.apply(this, arguments);
this.parent = tmp;
return ret;
};
})(name, prop[name]);
} else {
prototype[name] = prop[name];
}
}
function Class() {
if (!initializing) {
if (this.staticInstantiate) {
var obj = this.staticInstantiate.apply(this, arguments);
if (obj) {
return obj;
}
}
for (var p in this) {
if (typeof (this[p]) == 'object') {
this[p] = ig.copy(this[p]);
}
}
if (this.init) {
this.init.apply(this, arguments);
}
}
return this;
}
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.extend = window.ig.Class.extend;
Class.inject = inject;
Class.classId = prototype.classId = ++lastClassId;
return Class;
};
if (window.ImpactMixin) {
ig.merge(ig, window.ImpactMixin);
}
})(window);
// lib/impact/image.js
ig.baked = true;
ig.module('impact.image').defines(function () {
"use strict";
ig.Image = ig.Class.extend({
data: null,
width: 0,
height: 0,
loaded: false,
failed: false,
loadCallback: null,
path: '',
staticInstantiate: function (path) {
return ig.Image.cache[path] || null;
},
init: function (path) {
this.path = path;
this.load();
},
load: function (loadCallback) {
if (this.loaded) {
if (loadCallback) {
loadCallback(this.path, true);
}
return;
} else if (!this.loaded && ig.ready) {
this.loadCallback = loadCallback || null;
this.data = new Image();
this.data.onload = this.onload.bind(this);
this.data.onerror = this.onerror.bind(this);
this.data.src = ig.prefix + this.path + ig.nocache;
} else {
ig.addResource(this);
}
ig.Image.cache[this.path] = this;
},
reload: function () {
this.loaded = false;
this.data = new Image();
this.data.onload = this.onload.bind(this);
this.data.src = this.path + '?' + Date.now();
},
onload: function (event) {
this.width = this.data.width;
this.height = this.data.height;
this.loaded = true;
if (ig.system.scale != 1) {
this.resize(ig.system.scale);
}
if (this.loadCallback) {
this.loadCallback(this.path, true);
}
},
onerror: function (event) {
this.failed = true;
if (this.loadCallback) {
this.loadCallback(this.path, false);
}
},
resize: function (scale) {
var origPixels = ig.getImagePixels(this.data, 0, 0, this.width, this.height);
var widthScaled = this.width * scale;
var heightScaled = this.height * scale;
var scaled = ig.$new('canvas');
scaled.width = widthScaled;
scaled.height = heightScaled;
var scaledCtx = scaled.getContext('2d');
var scaledPixels = scaledCtx.getImageData(0, 0, widthScaled, heightScaled);
for (var y = 0; y < heightScaled; y++) {
for (var x = 0; x < widthScaled; x++) {
var index = (Math.floor(y / scale) * this.width + Math.floor(x / scale)) * 4;
var indexScaled = (y * widthScaled + x) * 4;
scaledPixels.data[indexScaled] = origPixels.data[index];
scaledPixels.data[indexScaled + 1] = origPixels.data[index + 1];
scaledPixels.data[indexScaled + 2] = origPixels.data[index + 2];
scaledPixels.data[indexScaled + 3] = origPixels.data[index + 3];
}
}
scaledCtx.putImageData(scaledPixels, 0, 0);
this.data = scaled;
},
draw: function (targetX, targetY, sourceX, sourceY, width, height) {
if (!this.loaded) {
return;
}
var scale = ig.system.scale;
sourceX = sourceX ? sourceX * scale : 0;
sourceY = sourceY ? sourceY * scale : 0;
width = (width ? width : this.width) * scale;
height = (height ? height : this.height) * scale;
ig.system.context.drawImage(this.data, sourceX, sourceY, width, height, ig.system.getDrawPos(targetX), ig.system.getDrawPos(targetY), width, height);
ig.Image.drawCount++;
},
drawTile: function (targetX, targetY, tile, tileWidth, tileHeight, flipX, flipY) {
tileHeight = tileHeight ? tileHeight : tileWidth;
if (!this.loaded || tileWidth > this.width || tileHeight > this.height) {
return;
}
var scale = ig.system.scale;
var tileWidthScaled = Math.floor(tileWidth * scale);
var tileHeightScaled = Math.floor(tileHeight * scale);
var scaleX = flipX ? -1 : 1;
var scaleY = flipY ? -1 : 1;
if (flipX || flipY) {
ig.system.context.save();
ig.system.context.scale(scaleX, scaleY);
}
ig.system.context.drawImage(this.data, (Math.floor(tile * tileWidth) % this.width) * scale, (Math.floor(tile * tileWidth / this.width) * tileHeight) * scale, tileWidthScaled, tileHeightScaled, ig.system.getDrawPos(targetX) * scaleX - (flipX ? tileWidthScaled : 0), ig.system.getDrawPos(targetY) * scaleY - (flipY ? tileHeightScaled : 0), tileWidthScaled, tileHeightScaled);
if (flipX || flipY) {
ig.system.context.restore();
}
ig.Image.drawCount++;
}
});
ig.Image.drawCount = 0;
ig.Image.cache = {};
ig.Image.reloadCache = function () {
for (var path in ig.Image.cache) {
ig.Image.cache[path].reload();
}
};
});
// lib/impact/font.js
ig.baked = true;
ig.module('impact.font').requires('impact.image').defines(function () {
"use strict";
ig.Font = ig.Image.extend({
widthMap: [],
indices: [],
firstChar: 32,
alpha: 1,
letterSpacing: 1,
lineSpacing: 0,
onload: function (ev) {
this._loadMetrics(this.data);
this.parent(ev);
},
widthForString: function (text) {
if (text.indexOf('\n') !== -1) {
var lines = text.split('\n');
var width = 0;
for (var i = 0; i < lines.length; i++) {
width = Math.max(width, this._widthForLine(lines[i]));
}
return width;
} else {
return this._widthForLine(text);
}
},
_widthForLine: function (text) {
var width = 0;
for (var i = 0; i < text.length; i++) {
width += this.widthMap[text.charCodeAt(i) - this.firstChar] + this.letterSpacing;
}
return width;
},
heightForString: function (text) {
return text.split('\n').length * (this.height + this.lineSpacing);
},
draw: function (text, x, y, align) {
if (typeof (text) != 'string') {
text = text.toString();
}
if (text.indexOf('\n') !== -1) {
var lines = text.split('\n');
var lineHeight = this.height + this.lineSpacing;
for (var i = 0; i < lines.length; i++) {
this.draw(lines[i], x, y + i * lineHeight, align);
}
return;
}
if (align == ig.Font.ALIGN.RIGHT || align == ig.Font.ALIGN.CENTER) {
var width = this._widthForLine(text);
x -= align == ig.Font.ALIGN.CENTER ? width / 2 : width;
}
if (this.alpha !== 1) {
ig.system.context.globalAlpha = this.alpha;
}
for (var i = 0; i < text.length; i++) {
var c = text.charCodeAt(i);
x += this._drawChar(c - this.firstChar, x, y);
}
if (this.alpha !== 1) {
ig.system.context.globalAlpha = 1;
}
ig.Image.drawCount += text.length;
},
_drawChar: function (c, targetX, targetY) {
if (!this.loaded || c < 0 || c >= this.indices.length) {
return 0;
}
var scale = ig.system.scale;
var charX = this.indices[c] * scale;
var charY = 0;
var charWidth = this.widthMap[c] * scale;
var charHeight = (this.height - 2) * scale;
ig.system.context.drawImage(this.data, charX, charY, charWidth, charHeight, ig.system.getDrawPos(targetX), ig.system.getDrawPos(targetY), charWidth, charHeight);
return this.widthMap[c] + this.letterSpacing;
},
_loadMetrics: function (image) {
this.height = image.height - 1;
this.widthMap = [];
this.indices = [];
var px = ig.getImagePixels(image, 0, image.height - 1, image.width, 1);
var currentChar = 0;
var currentWidth = 0;
for (var x = 0; x < image.width; x++) {
var index = x * 4 + 3;
if (px.data[index] > 127) {
currentWidth++;
} else if (px.data[index] < 128 && currentWidth) {
this.widthMap.push(currentWidth);
this.indices.push(x - currentWidth);
currentChar++;
currentWidth = 0;
}
}
this.widthMap.push(currentWidth);
this.indices.push(x - currentWidth);
}
});
ig.Font.ALIGN = {
LEFT: 0,
RIGHT: 1,
CENTER: 2
};
});
// lib/impact/sound.js
ig.baked = true;
ig.module('impact.sound').defines(function () {
"use strict";
ig.SoundManager = ig.Class.extend({
clips: {},
volume: 1,
format: null,
init: function () {
if (!ig.Sound.enabled || !window.Audio) {
ig.Sound.enabled = false;
return;
}
var probe = new Audio();
for (var i = 0; i < ig.Sound.use.length; i++) {
var format = ig.Sound.use[i];
if (probe.canPlayType(format.mime)) {
this.format = format;
break;
}
}
if (!this.format) {
ig.Sound.enabled = false;
}
if (ig.Sound.enabled && ig.Sound.useWebAudio) {
this.audioContext = new AudioContext();
}
},
load: function (path, multiChannel, loadCallback) {
if (multiChannel && ig.Sound.useWebAudio) {
return this.loadWebAudio(path, multiChannel, loadCallback);
} else {
return this.loadHTML5Audio(path, multiChannel, loadCallback);
}
},
loadWebAudio: function (path, multiChannel, loadCallback) {
var realPath = ig.prefix + path.replace(/[^\.]+$/, this.format.ext) + ig.nocache;
if (this.clips[path]) {
return this.clips[path];
}
var audioSource = new ig.Sound.WebAudioSource()
this.clips[path] = audioSource;
var request = new XMLHttpRequest();
request.open('GET', realPath, true);
request.responseType = 'arraybuffer';
var that = this;
request.onload = function (ev) {
that.audioContext.decodeAudioData(request.response, function (buffer) {
audioSource.buffer = buffer;
loadCallback(path, true, ev);
}, function (ev) {
loadCallback(path, false, ev);
});
};
request.onerror = function (ev) {
loadCallback(path, false, ev);
};
request.send();
return audioSource;
},
loadHTML5Audio: function (path, multiChannel, loadCallback) {
var realPath = ig.prefix + path.replace(/[^\.]+$/, this.format.ext) + ig.nocache;
if (this.clips[path]) {
if (this.clips[path] instanceof ig.Sound.WebAudioSource) {
return this.clips[path];
}
if (multiChannel && this.clips[path].length < ig.Sound.channels) {
for (var i = this.clips[path].length; i < ig.Sound.channels; i++) {
var a = new Audio(realPath);
a.load();
this.clips[path].push(a);
}
}
return this.clips[path][0];
}
var clip = new Audio(realPath);
if (loadCallback) {
clip.addEventListener('canplaythrough', function cb(ev) {
clip.removeEventListener('canplaythrough', cb, false);
loadCallback(path, true, ev);
}, false);
clip.addEventListener('error', function (ev) {
loadCallback(path, false, ev);
}, false);
}
clip.preload = 'auto';
clip.load();
this.clips[path] = [clip];
if (multiChannel) {
for (var i = 1; i < ig.Sound.channels; i++) {
var a = new Audio(realPath);
a.load();
this.clips[path].push(a);
}
}
return clip;
},
get: function (path) {
var channels = this.clips[path];
if (channels && channels instanceof ig.Sound.WebAudioSource) {
return channels;
}
for (var i = 0, clip; clip = channels[i++];) {
if (clip.paused || clip.ended) {
if (clip.ended) {
clip.currentTime = 0;
}
return clip;
}
}
channels[0].pause();
channels[0].currentTime = 0;
return channels[0];
}
});
ig.Music = ig.Class.extend({
tracks: [],
namedTracks: {},
currentTrack: null,
currentIndex: 0,
random: false,
_volume: 1,
_loop: false,
_fadeInterval: 0,
_fadeTimer: null,
_endedCallbackBound: null,
init: function () {
this._endedCallbackBound = this._endedCallback.bind(this);
Object.defineProperty(this, "volume", {
get: this.getVolume.bind(this),
set: this.setVolume.bind(this)
});
Object.defineProperty(this, "loop", {
get: this.getLooping.bind(this),
set: this.setLooping.bind(this)
});
},
add: function (music, name) {
if (!ig.Sound.enabled) {
return;
}
var path = music instanceof ig.Sound ? music.path : music;
var track = ig.soundManager.load(path, false);
if (track instanceof ig.Sound.WebAudioSource) {
ig.system.stopRunLoop();
throw ("Sound '" + path + "' loaded as Multichannel but used for Music. " + "Set the multiChannel param to false when loading, e.g.: new ig.Sound(path, false)");
}
track.loop = this._loop;
track.volume = this._volume;
track.addEventListener('ended', this._endedCallbackBound, false);
this.tracks.push(track);
if (name) {
this.namedTracks[name] = track;
}
if (!this.currentTrack) {
this.currentTrack = track;
}
},
next: function () {
if (!this.tracks.length) {
return;
}
this.stop();
this.currentIndex = this.random ? Math.floor(Math.random() * this.tracks.length) : (this.currentIndex + 1) % this.tracks.length;
this.currentTrack = this.tracks[this.currentIndex];
this.play();
},
pause: function () {
if (!this.currentTrack) {
return;
}
this.currentTrack.pause();
},
stop: function () {
if (!this.currentTrack) {
return;
}
this.currentTrack.pause();
this.currentTrack.currentTime = 0;
},
play: function (name) {
if (name && this.namedTracks[name]) {
var newTrack = this.namedTracks[name];
if (newTrack != this.currentTrack) {
this.stop();
this.currentTrack = newTrack;
}
} else if (!this.currentTrack) {
return;
}
this.currentTrack.play();
},
getLooping: function () {
return this._loop;
},
setLooping: function (l) {
this._loop = l;
for (var i in this.tracks) {
this.tracks[i].loop = l;
}
},
getVolume: function () {
return this._volume;
},
setVolume: function (v) {
this._volume = v.limit(0, 1);
for (var i in this.tracks) {
this.tracks[i].volume = this._volume;
}
},
fadeOut: function (time) {
if (!this.currentTrack) {
return;
}
clearInterval(this._fadeInterval);
this.fadeTimer = new ig.Timer(time);
this._fadeInterval = setInterval(this._fadeStep.bind(this), 50);
},
_fadeStep: function () {
var v = this.fadeTimer.delta().map(-this.fadeTimer.target, 0, 1, 0).limit(0, 1) * this._volume;
if (v <= 0.01) {
this.stop();
this.currentTrack.volume = this._volume;
clearInterval(this._fadeInterval);
} else {
this.currentTrack.volume = v;
}
},
_endedCallback: function () {
if (this._loop) {
this.play();
} else {
this.next();
}
}
});
ig.Sound = ig.Class.extend({
path: '',
volume: 1,
currentClip: null,
multiChannel: true,
_loop: false,
init: function (path, multiChannel) {
this.path = path;
this.multiChannel = (multiChannel !== false);
Object.defineProperty(this, "loop", {
get: this.getLooping.bind(this),
set: this.setLooping.bind(this)
});
this.load();
},
getLooping: function () {
return this._loop;
},
setLooping: function (loop) {
this._loop = loop;
if (this.currentClip) {
this.currentClip.loop = loop;
}
},
load: function (loadCallback) {
if (!ig.Sound.enabled) {
if (loadCallback) {
loadCallback(this.path, true);
}
return;
}
if (ig.ready) {
ig.soundManager.load(this.path, this.multiChannel, loadCallback);
} else {
ig.addResource(this);
}
},
play: function () {
if (!ig.Sound.enabled) {
return;
}
this.currentClip = ig.soundManager.get(this.path);
this.currentClip.loop = this._loop;
this.currentClip.volume = ig.soundManager.volume * this.volume;
this.currentClip.play();
},
stop: function () {
if (this.currentClip) {
this.currentClip.pause();
this.currentClip.currentTime = 0;
}
}
});
ig.Sound.WebAudioSource = ig.Class.extend({
sources: [],
gain: null,
buffer: null,
_loop: false,
init: function () {
this.gain = ig.soundManager.audioContext.createGain();
this.gain.connect(ig.soundManager.audioContext.destination);
Object.defineProperty(this, "loop", {
get: this.getLooping.bind(this),
set: this.setLooping.bind(this)
});
Object.defineProperty(this, "volume", {
get: this.getVolume.bind(this),
set: this.setVolume.bind(this)
});
},
play: function () {
if (!this.buffer) {
return;
}
var source = ig.soundManager.audioContext.createBufferSource();
source.buffer = this.buffer;
source.connect(this.gain);
source.loop = this._loop;
var that = this;
this.sources.push(source);
source.onended = function () {
that.sources.erase(source);
}
source.start(0);
},
pause: function () {
for (var i = 0; i < this.sources.length; i++) {
try {
this.sources[i].stop();
} catch (err) {}
}
},
getLooping: function () {
return this._loop;
},
setLooping: function (loop) {
this._loop = loop;
for (var i = 0; i < this.sources.length; i++) {
this.sources[i].loop = loop;
}
},
getVolume: function () {
return this.gain.gain.value;
},
setVolume: function (volume) {
this.gain.gain.value = volume;
}
});
ig.Sound.FORMAT = {
MP3: {
ext: 'mp3',
mime: 'audio/mpeg'
},
M4A: {
ext: 'm4a',
mime: 'audio/mp4; codecs=mp4a'
},
OGG: {
ext: 'ogg',
mime: 'audio/ogg; codecs=vorbis'
},
WEBM: {
ext: 'webm',
mime: 'audio/webm; codecs=vorbis'
},
CAF: {
ext: 'caf',
mime: 'audio/x-caf'
}