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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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<title>Phaser Source: loader/Cache.js</title>
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Input, Loader and Math docs tidied up.
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
<a href="Phaser.AnimationParser.html">AnimationParser</a>
Input, Loader and Math docs tidied up.
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
<a href="Phaser.Cache.html">Cache</a>
Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
<a href="Phaser.Camera.html">Camera</a>
Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Input, Loader and Math docs tidied up.
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Input, Loader and Math docs tidied up.
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More Docs!
2013-10-03 00:21:08 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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More Docs!
2013-10-03 00:21:08 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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2013-10-03 00:21:08 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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More Docs!
2013-10-03 00:21:08 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
<a href="Phaser.LoaderParser.html">LoaderParser</a>
Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Yet more documentation done.
2013-10-02 19:18:24 +00:00
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2013-10-02 14:05:55 +00:00
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More Docs!
2013-10-03 00:21:08 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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2013-10-03 00:21:08 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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2013-10-03 00:21:08 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
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<h1 class="page-title">Source: loader/Cache.js</h1>
<section>
<article>
<pre class="sunlight-highlight-javascript linenums">/**
* @author Richard Davey &lt;rich@photonstorm.com>
* @copyright 2013 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Phaser.Cache constructor.
*
* @class Phaser.Cache
* @classdesc A game only has one instance of a Cache and it is used to store all externally loaded assets such
* as images, sounds and data files as a result of Loader calls. Cache items use string based keys for look-up.
* @constructor
* @param {Phaser.Game} game - A reference to the currently running game.
*/
Phaser.Cache = function (game) {
/**
* @property {Phaser.Game} game - Local reference to game.
*/
this.game = game;
/**
* @property {object} game - Canvas key-value container.
* @private
*/
this._canvases = {};
/**
* @property {object} _images - Image key-value container.
* @private
*/
this._images = {};
/**
* @property {object} _textures - RenderTexture key-value container.
* @private
*/
this._textures = {};
/**
* @property {object} _sounds - Sound key-value container.
* @private
*/
this._sounds = {};
/**
* @property {object} _text - Text key-value container.
* @private
*/
this._text = {};
/**
* @property {object} _tilemaps - Tilemap key-value container.
* @private
*/
this._tilemaps = {};
this.addDefaultImage();
/**
* @property {Phaser.Signal} onSoundUnlock - Description.
*/
this.onSoundUnlock = new Phaser.Signal;
};
Phaser.Cache.prototype = {
/**
* Add a new canvas object in to the cache.
* @method Phaser.Cache#addCanvas
* @param {string} key - Asset key for this canvas.
* @param {HTMLCanvasElement} canvas - Canvas DOM element.
* @param {CanvasRenderingContext2D} context - Render context of this canvas.
*/
addCanvas: function (key, canvas, context) {
this._canvases[key] = { canvas: canvas, context: context };
},
/**
* Add a new Phaser.RenderTexture in to the cache.
*
* @method Phaser.Cache#addRenderTexture
* @param {string} key - The unique key by which you will reference this object.
* @param {Phaser.Texture} textue - The texture to use as the base of the RenderTexture.
*/
addRenderTexture: function (key, texture) {
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var frame = new Phaser.Frame(0, 0, 0, texture.width, texture.height, '', '');
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this._textures[key] = { texture: texture, frame: frame };
},
/**
* Add a new sprite sheet in to the cache.
*
* @method Phaser.Cache#addSpriteSheet
* @param {string} key - The unique key by which you will reference this object.
* @param {string} url - URL of this sprite sheet file.
* @param {object} data - Extra sprite sheet data.
* @param {number} frameWidth - Width of the sprite sheet.
* @param {number} frameHeight - Height of the sprite sheet.
* @param {number} frameMax - How many frames stored in the sprite sheet.
*/
addSpriteSheet: function (key, url, data, frameWidth, frameHeight, frameMax) {
this._images[key] = { url: url, data: data, spriteSheet: true, frameWidth: frameWidth, frameHeight: frameHeight };
PIXI.BaseTextureCache[key] = new PIXI.BaseTexture(data);
PIXI.TextureCache[key] = new PIXI.Texture(PIXI.BaseTextureCache[key]);
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this._images[key].frameData = Phaser.AnimationParser.spriteSheet(this.game, key, frameWidth, frameHeight, frameMax);
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},
/**
* Add a new tilemap.
*
* @method Phaser.Cache#addTilemap
* @param {string} key - The unique key by which you will reference this object.
* @param {string} url - URL of the tilemap image.
* @param {object} data - Tilemap data.
* @param {object} mapData - The tilemap data object.
* @param {number} format - The format of the tilemap data.
*/
addTilemap: function (key, url, data, mapData, format) {
this._tilemaps[key] = { url: url, data: data, spriteSheet: true, mapData: mapData, format: format };
PIXI.BaseTextureCache[key] = new PIXI.BaseTexture(data);
PIXI.TextureCache[key] = new PIXI.Texture(PIXI.BaseTextureCache[key]);
},
/**
* Add a new texture atlas.
*
* @method Phaser.Cache#addTextureAtlas
* @param {string} key - The unique key by which you will reference this object.
* @param {string} url - URL of this texture atlas file.
* @param {object} data - Extra texture atlas data.
* @param {object} atlasData - Texture atlas frames data.
* @param {number} format - The format of the texture atlas.
*/
addTextureAtlas: function (key, url, data, atlasData, format) {
this._images[key] = { url: url, data: data, spriteSheet: true };
PIXI.BaseTextureCache[key] = new PIXI.BaseTexture(data);
PIXI.TextureCache[key] = new PIXI.Texture(PIXI.BaseTextureCache[key]);
if (format == Phaser.Loader.TEXTURE_ATLAS_JSON_ARRAY)
{
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this._images[key].frameData = Phaser.AnimationParser.JSONData(this.game, atlasData, key);
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}
else if (format == Phaser.Loader.TEXTURE_ATLAS_JSON_HASH)
{
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this._images[key].frameData = Phaser.AnimationParser.JSONDataHash(this.game, atlasData, key);
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}
else if (format == Phaser.Loader.TEXTURE_ATLAS_XML_STARLING)
{
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this._images[key].frameData = Phaser.AnimationParser.XMLData(this.game, atlasData, key);
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}
},
/**
* Add a new Bitmap Font.
*
* @method Phaser.Cache#addBitmapFont
* @param {string} key - The unique key by which you will reference this object.
* @param {string} url - URL of this font xml file.
* @param {object} data - Extra font data.
* @param xmlData {object} Texture atlas frames data.
*/
addBitmapFont: function (key, url, data, xmlData) {
this._images[key] = { url: url, data: data, spriteSheet: true };
PIXI.BaseTextureCache[key] = new PIXI.BaseTexture(data);
PIXI.TextureCache[key] = new PIXI.Texture(PIXI.BaseTextureCache[key]);
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Phaser.LoaderParser.bitmapFont(this.game, xmlData, key);
// this._images[key].frameData = Phaser.AnimationParser.XMLData(this.game, xmlData, key);
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},
/**
* Adds a default image to be used when a key is wrong / missing. Is mapped to the key __default.
*
* @method Phaser.Cache#addDefaultImage
*/
addDefaultImage: function () {
this._images['__default'] = { url: null, data: null, spriteSheet: false };
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this._images['__default'].frame = new Phaser.Frame(0, 0, 0, 32, 32, '', '');
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var base = new PIXI.BaseTexture();
base.width = 32;
base.height = 32;
base.hasLoaded = true; // avoids a hanging event listener
PIXI.BaseTextureCache['__default'] = base;
PIXI.TextureCache['__default'] = new PIXI.Texture(base);
},
/**
* Add a new image.
*
* @method Phaser.Cache#addImage
* @param {string} key - The unique key by which you will reference this object.
* @param {string} url - URL of this image file.
* @param {object} data - Extra image data.
*/
addImage: function (key, url, data) {
this._images[key] = { url: url, data: data, spriteSheet: false };
Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
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this._images[key].frame = new Phaser.Frame(0, 0, 0, data.width, data.height, '', '');
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PIXI.BaseTextureCache[key] = new PIXI.BaseTexture(data);
PIXI.TextureCache[key] = new PIXI.Texture(PIXI.BaseTextureCache[key]);
},
/**
* Add a new sound.
*
* @method Phaser.Cache#addSound
* @param {string} key - Asset key for the sound.
* @param {string} url - URL of this sound file.
* @param {object} data - Extra sound data.
* @param {boolean} webAudio - True if the file is using web audio.
* @param {boolean} audioTag - True if the file is using legacy HTML audio.
*/
addSound: function (key, url, data, webAudio, audioTag) {
webAudio = webAudio || true;
audioTag = audioTag || false;
var locked = this.game.sound.touchLocked;
var decoded = false;
if (audioTag)
{
decoded = true;
}
this._sounds[key] = { url: url, data: data, isDecoding: false, decoded: decoded, webAudio: webAudio, audioTag: audioTag };
},
/**
* Reload a sound.
* @method Phaser.Cache#reloadSound
* @param {string} key - Asset key for the sound.
*/
reloadSound: function (key) {
var _this = this;
if (this._sounds[key])
{
this._sounds[key].data.src = this._sounds[key].url;
this._sounds[key].data.addEventListener('canplaythrough', function () {
return _this.reloadSoundComplete(key);
}, false);
this._sounds[key].data.load();
}
},
/**
* Description.
* @method Phaser.Cache#reloadSoundComplete
* @param {string} key - Asset key for the sound.
*/
reloadSoundComplete: function (key) {
if (this._sounds[key])
{
this._sounds[key].locked = false;
this.onSoundUnlock.dispatch(key);
}
},
/**
* Description.
* @method Phaser.Cache#updateSound
* @param {string} key - Asset key for the sound.
*/
updateSound: function (key, property, value) {
if (this._sounds[key])
{
this._sounds[key][property] = value;
}
},
/**
* Add a new decoded sound.
*
* @method Phaser.Cache#decodedSound
* @param {string} key - Asset key for the sound.
* @param {object} data - Extra sound data.
*/
decodedSound: function (key, data) {
this._sounds[key].data = data;
this._sounds[key].decoded = true;
this._sounds[key].isDecoding = false;
},
/**
* Add a new text data.
*
* @method Phaser.Cache#addText
* @param {string} key - Asset key for the text data.
* @param {string} url - URL of this text data file.
* @param {object} data - Extra text data.
*/
addText: function (key, url, data) {
this._text[key] = {
url: url,
data: data
};
},
/**
* Get acanvas object from the cache by its key.
*
* @method Phaser.Cache#getCanvas
* @param {string} key - Asset key of the canvas you want.
* @return {object} The canvas you want.
*/
getCanvas: function (key) {
if (this._canvases[key])
{
return this._canvases[key].canvas;
}
return null;
},
/**
* Checks if an image key exists.
*
* @method Phaser.Cache#checkImageKey
* @param {string} key - Asset key of the image you want.
* @return {boolean} True if the key exists, otherwise false.
*/
checkImageKey: function (key) {
if (this._images[key])
{
return true;
}
return false;
},
/**
* Get image data by key.
*
* @method Phaser.Cache#getImage
* @param {string} key - Asset key of the image you want.
* @return {object} The image data you want.
*/
getImage: function (key) {
if (this._images[key])
{
return this._images[key].data;
}
return null;
},
/**
* Get tilemap data by key.
*
* @method Phaser.Cache#getTilemap
* @param {string} key - Asset key of the tilemap you want.
* @return {Phaser.Tilemap} The tilemap data. The tileset image is in the data property, the map data in mapData.
*/
getTilemap: function (key) {
if (this._tilemaps[key])
{
return this._tilemaps[key];
}
return null;
},
/**
* Get frame data by key.
*
* @method Phaser.Cache#getFrameData
* @param {string} key - Asset key of the frame data you want.
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* @return {Phaser.FrameData} The frame data you want.
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*/
getFrameData: function (key) {
if (this._images[key] && this._images[key].frameData)
{
return this._images[key].frameData;
}
return null;
},
/**
* Get a single frame out of a frameData set by key.
*
* @method Phaser.Cache#getFrameByIndex
* @param {string} key - Asset key of the frame data you want.
Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
* @return {Phaser.Frame} The frame data you want.
Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
*/
getFrameByIndex: function (key, frame) {
if (this._images[key] && this._images[key].frameData)
{
return this._images[key].frameData.getFrame(frame);
}
return null;
},
/**
* Get a single frame out of a frameData set by key.
*
* @method Phaser.Cache#getFrameByName
* @param {string} key - Asset key of the frame data you want.
Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
* @return {Phaser.Frame} The frame data you want.
Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
*/
getFrameByName: function (key, frame) {
if (this._images[key] && this._images[key].frameData)
{
return this._images[key].frameData.getFrameByName(frame);
}
return null;
},
/**
* Get a single frame by key. You'd only do this to get the default Frame created for a non-atlas/spritesheet image.
*
* @method Phaser.Cache#getFrame
* @param {string} key - Asset key of the frame data you want.
Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
* @return {Phaser.Frame} The frame data you want.
Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
*/
getFrame: function (key) {
if (this._images[key] && this._images[key].spriteSheet == false)
{
return this._images[key].frame;
}
return null;
},
/**
* Get a single frame by key. You'd only do this to get the default Frame created for a non-atlas/spritesheet image.
*
* @method Phaser.Cache#getTextureFrame
* @param {string} key - Asset key of the frame data you want.
Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
* @return {Phaser.Frame} The frame data you want.
Input, Loader and Math docs tidied up.
2013-10-02 14:05:55 +00:00
*/
getTextureFrame: function (key) {
if (this._textures[key])
{
return this._textures[key].frame;
}
return null;
},
/**
* Get a RenderTexture by key.
*
* @method Phaser.Cache#getTexture
* @param {string} key - Asset key of the RenderTexture you want.
* @return {Phaser.RenderTexture} The RenderTexture you want.
*/
getTexture: function (key) {
if (this._textures[key])
{
return this._textures[key];
}
return null;
},
/**
* Get sound by key.
*
* @method Phaser.Cache#getSound
* @param {string} key - Asset key of the sound you want.
* @return {Phaser.Sound} The sound you want.
*/
getSound: function (key) {
if (this._sounds[key])
{
return this._sounds[key];
}
return null;
},
/**
* Get sound data by key.
*
* @method Phaser.Cache#getSoundData
* @param {string} key - Asset key of the sound you want.
* @return {object} The sound data you want.
*/
getSoundData: function (key) {
if (this._sounds[key])
{
return this._sounds[key].data;
}
return null;
},
/**
* Check if the given sound has finished decoding.
*
* @method Phaser.Cache#isSoundDecoded
* @param {string} key - Asset key of the sound you want.
* @return {boolean} The decoded state of the Sound object.
*/
isSoundDecoded: function (key) {
if (this._sounds[key])
{
return this._sounds[key].decoded;
}
},
/**
* Check if the given sound is ready for playback. A sound is considered ready when it has finished decoding and the device is no longer touch locked.
*
* @method Phaser.Cache#isSoundReady
* @param {string} key - Asset key of the sound you want.
* @return {boolean} True if the sound is decoded and the device is not touch locked.
*/
isSoundReady: function (key) {
return (this._sounds[key] && this._sounds[key].decoded && this.game.sound.touchLocked == false);
},
/**
* Check whether an image asset is sprite sheet or not.
*
* @method Phaser.Cache#isSpriteSheet
* @param {string} key - Asset key of the sprite sheet you want.
* @return {boolean} True if the image is a sprite sheet.
*/
isSpriteSheet: function (key) {
if (this._images[key])
{
return this._images[key].spriteSheet;
}
return false;
},
/**
* Get text data by key.
*
* @method Phaser.Cache#getText
* @param {string} key - Asset key of the text data you want.
* @return {object} The text data you want.
*/
getText: function (key) {
if (this._text[key])
{
return this._text[key].data;
}
return null;
},
/**
* Get the cache keys from a given array of objects.
* Normally you don't call this directly but instead use getImageKeys, getSoundKeys, etc.
*
* @method Phaser.Cache#getKeys
* @param {Array} array - An array of items to return the keys for.
* @return {Array} The array of item keys.
*/
getKeys: function (array) {
var output = [];
for (var item in array)
{
if (item !== '__default')
{
output.push(item);
}
}
return output;
},
/**
* Returns an array containing all of the keys of Images in the Cache.
*
* @method Phaser.Cache#getImageKeys
* @return {Array} The string based keys in the Cache.
*/
getImageKeys: function () {
return this.getKeys(this._images);
},
/**
* Returns an array containing all of the keys of Sounds in the Cache.
*
* @method Phaser.Cache#getSoundKeys
* @return {Array} The string based keys in the Cache.
*/
getSoundKeys: function () {
return this.getKeys(this._sounds);
},
/**
* Returns an array containing all of the keys of Text Files in the Cache.
*
* @method Phaser.Cache#getTextKeys
* @return {Array} The string based keys in the Cache.
*/
getTextKeys: function () {
return this.getKeys(this._text);
},
/**
* Removes a canvas from the cache.
*
* @method Phaser.Cache#removeCanvas
* @param {string} key - Key of the asset you want to remove.
*/
removeCanvas: function (key) {
delete this._canvases[key];
},
/**
* Removes an image from the cache.
*
* @method Phaser.Cache#removeImage
* @param {string} key - Key of the asset you want to remove.
*/
removeImage: function (key) {
delete this._images[key];
},
/**
* Removes a sound from the cache.
*
* @method Phaser.Cache#removeSound
* @param {string} key - Key of the asset you want to remove.
*/
removeSound: function (key) {
delete this._sounds[key];
},
/**
* Removes a text from the cache.
*
* @method Phaser.Cache#removeText
* @param {string} key - Key of the asset you want to remove.
*/
removeText: function (key) {
delete this._text[key];
},
/**
* Clears the cache. Removes every local cache object reference.
*
* @method Phaser.Cache#destroy
*/
destroy: function () {
for (var item in this._canvases)
{
delete this._canvases[item['key']];
}
for (var item in this._images)
{
delete this._images[item['key']];
}
for (var item in this._sounds)
{
delete this._sounds[item['key']];
}
for (var item in this._text)
{
delete this._text[item['key']];
}
}
};
</pre>
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.2.0-dev</a>
Fixed up the namespace in the documentation and finished off all sections other than Game Objects and Physics (yuck).
2013-10-03 01:38:35 +00:00
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