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< title > Phaser Source: src/utils/Utils.js< / title >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.PrimitiveShader.html" > PrimitiveShader< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.RenderTexture.html" > RenderTexture< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.Rope.html" > Rope< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.Sprite.html" > Sprite< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.SpriteBatch.html" > SpriteBatch< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.Stage.html" > Stage< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.Strip.html" > Strip< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.StripShader.html" > StripShader< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.Text.html" > Text< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.Texture.html" > Texture< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.TilingSprite.html" > TilingSprite< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.VideoTexture.html" > VideoTexture< / a >
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< / li >
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< li class = "class-depth-1" >
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< a href = "PIXI.WebGLBlendModeManager.html" > WebGLBlendModeManager< / a >
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< / li >
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< li class = "class-depth-1" >
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< a href = "PIXI.WebGLFastSpriteBatch.html" > WebGLFastSpriteBatch< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.WebGLFilterManager.html" > WebGLFilterManager< / a >
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< / li >
< li class = "class-depth-1" >
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< a href = "PIXI.WebGLRenderer.html" > WebGLRenderer< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "RoundedRectangle.html" > RoundedRectangle< / a >
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< / li >
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< / ul >
< / li >
< li class = "dropdown" >
< a href = "global.html" class = "dropdown-toggle" data-toggle = "dropdown" > Global< b
class="caret">< / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-0" >
< a href = "global.html#append" > append< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#apply" > apply< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#applyInverse" > applyInverse< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#blendModes" > blendModes< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#clone" > clone< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#contains" > contains< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#fromArray" > fromArray< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#identity" > identity< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#rotate" > rotate< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#scale" > scale< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#scaleModes" > scaleModes< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#sort" > sort< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#toArray" > toArray< / a >
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< / li >
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< li class = "class-depth-0" >
< a href = "global.html#translate" > translate< / a >
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< / li >
< / ul >
< / li >
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< li class = "dropdown" >
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< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Core< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
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< li class = "class-depth-1" > < a href = "Phaser.Game.html" > Game< / a > < / li >
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< li class = "class-depth-1" > < a href = "Phaser.Group.html" > Group< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.World.html" > World< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Loader.html" > Loader< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Time.html" > Time< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Camera.html" > Camera< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.StateManager.html" > State Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.TweenManager.html" > Tween Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.SoundManager.html" > Sound Manager< / a > < / li >
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< li class = "class-depth-1" > < a href = "Phaser.Input.html" > Input Manager< / a > < / li >
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< li class = "class-depth-1" > < a href = "Phaser.ScaleManager.html" > Scale Manager< / a > < / li >
< / ul >
< / li >
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< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Game Objects< b class = "caret" > < / b > < / a >
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< ul class = "dropdown-menu " >
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< li class = "class-depth-1" > < a href = "Phaser.GameObjectFactory.html" > Factory (game.add)< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.GameObjectCreator.html" > Creator (game.make)< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Sprite.html" > Sprite< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Image.html" > Image< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Sound.html" > Sound< / a > < / li >
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< li class = "class-depth-1" > < a href = "Phaser.Particles.Arcade.Emitter.html" > Particle Emitter< / a > < / li >
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< li class = "class-depth-1" > < a href = "Phaser.Particle.html" > Particle< / a > < / li >
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< li class = "class-depth-1" > < a href = "Phaser.Text.html" > Text< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Tween.html" > Tween< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.BitmapText.html" > BitmapText< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Tilemap.html" > Tilemap< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.BitmapData.html" > BitmapData< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.RetroFont.html" > RetroFont< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Button.html" > Button< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Animation.html" > Animation< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Graphics.html" > Graphics< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.RenderTexture.html" > RenderTexture< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.TileSprite.html" > TileSprite< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Geometry< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.Circle.html" > Circle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Rectangle.html" > Rectangle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Point.html" > Point< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Line.html" > Line< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Ellipse.html" > Ellipse< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Polygon.html" > Polygon< / a > < / li >
< / ul >
< / li >
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< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Physics< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.Physics.Arcade.html" > Arcade Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.Arcade.Body.html" > Body< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Physics.P2.html" > P2 Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.Body.html" > Body< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.Spring.html" > Spring< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.CollisionGroup.html" > CollisionGroup< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.ContactMaterial.html" > ContactMaterial< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Physics.Ninja.html" > Ninja Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.Body.html" > Body< / a > < / li >
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< / ul >
< / li >
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< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Input< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.InputHandler.html" > Input Handler< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Pointer.html" > Pointer< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Mouse.html" > Mouse< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Keyboard.html" > Keyboard< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Key.html" > Key< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Gamepad.html" > Gamepad< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Community< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
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< li class = "class-depth-1" > < a href = "http://phaser.io" > Phaser Web Site< / a > < / li >
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< li class = "class-depth-1" > < a href = "https://github.com/photonstorm/phaser" > Phaser Github< / a > < / li >
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< li class = "class-depth-1" > < a href = "http://phaser.io/examples" > Phaser Examples< / a > < / li >
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< li class = "class-depth-1" > < a href = "https://github.com/photonstorm/phaser-plugins" > Phaser Plugins< / a > < / li >
< li class = "class-depth-1" > < a href = "http://www.html5gamedevs.com/forum/14-phaser/" > Forum< / a > < / li >
< li class = "class-depth-1" > < a href = "http://stackoverflow.com/questions/tagged/phaser-framework" > Stack Overflow< / a > < / li >
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< li class = "class-depth-1" > < a href = "http://phaser.io/learn" > Weekly Coding Tips< / a > < / li >
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< li class = "class-depth-1" > < a href = "https://confirmsubscription.com/h/r/369DE48E3E86AF1E" > Newsletter< / a > < / li >
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< li class = "class-depth-1" > < a href = "http://phaser.io/community/twitter" > Twitter< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/irc" > IRC< / a > < / li >
2015-03-23 23:46:30 +00:00
< li class = "class-depth-1" > < a href = "https://www.gittip.com/photonstorm/" > Donate to the project< / a > < / li >
< li class = "class-depth-1" > < a href = "https://www.codeandweb.com/texturepacker/phaser" > Texture Packer< / a > < / li >
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< / ul >
< / li >
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< / ul >
< / div >
< / div >
< div class = "row-fluid" >
< div class = "span12" >
< div id = "main" >
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< h1 class = "page-title" > Source: src/utils/Utils.js< / h1 >
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< section >
< article >
< pre class = "sunlight-highlight-javascript linenums" > /**
* @author Richard Davey < rich@photonstorm.com>
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* @copyright 2015 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* @class Phaser.Utils
* @static
*/
Phaser.Utils = {
/**
* Gets an objects property by string.
*
* @method Phaser.Utils.getProperty
* @param {object} obj - The object to traverse.
* @param {string} prop - The property whose value will be returned.
* @return {*} the value of the property or null if property isn't found .
*/
getProperty: function(obj, prop) {
var parts = prop.split('.'),
last = parts.pop(),
l = parts.length,
i = 1,
current = parts[0];
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while (i < l & & (obj = obj[current]))
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{
current = parts[i];
i++;
}
if (obj)
{
return obj[last];
}
else
{
return null;
}
},
/**
* Sets an objects property by string.
*
* @method Phaser.Utils.setProperty
* @param {object} obj - The object to traverse
* @param {string} prop - The property whose value will be changed
* @return {object} The object on which the property was set.
*/
setProperty: function(obj, prop, value) {
var parts = prop.split('.'),
last = parts.pop(),
l = parts.length,
i = 1,
current = parts[0];
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while (i < l & & (obj = obj[current]))
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{
current = parts[i];
i++;
}
if (obj)
{
obj[last] = value;
}
return obj;
},
/**
* Generate a random bool result based on the chance value.
*
* Returns true or false based on the chance value (default 50%). For example if you wanted a player to have a 30% chance
* of getting a bonus, call chanceRoll(30) - true means the chance passed, false means it failed.
*
* @method Phaser.Math#chanceRoll
* @param {number} chance - The chance of receiving the value. A number between 0 and 100 (effectively 0% to 100%).
* @return {boolean} True if the roll passed, or false otherwise.
*/
chanceRoll: function (chance) {
if (typeof chance === 'undefined') { chance = 50; }
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return chance > 0 & & (Math.random() * 100 < = chance);
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},
/**
* Choose between one of two values randomly.
*
* @method Phaser.Utils#randomChoice
* @param {any} choice1
* @param {any} choice2
* @return {any} The randomly selected choice
*/
randomChoice: function (choice1, choice2) {
return (Math.random() < 0.5) ? choice1 : choice2;
},
/**
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* Transposes the elements of the given matrix (array of arrays).
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*
* @method Phaser.Utils.transposeArray
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* @param {Array< any[]>} array - The matrix to transpose.
* @return {Array< any[]>} A new transposed matrix
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* @deprecated 2.2.0 - Use Phaser.ArrayUtils.transposeMatrix
*/
transposeArray: function (array) {
return Phaser.ArrayUtils.transposeMatrix(array);
},
/**
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* Rotates the given matrix (array of arrays).
*
* Based on the routine from {@link http://jsfiddle.net/MrPolywhirl/NH42z/}.
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*
* @method Phaser.Utils.rotateArray
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* @param {Array< any[]>} matrix - The array to rotate; this matrix _may_ be altered.
* @param {number|string} direction - The amount to rotate: the roation in degrees (90, -90, 270, -270, 180) or a string command ('rotateLeft', 'rotateRight' or 'rotate180').
* @return {Array< any[]>} The rotated matrix. The source matrix should be discarded for the returned matrix.
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* @deprecated 2.2.0 - Use Phaser.ArrayUtils.rotateMatrix
*/
rotateArray: function (matrix, direction) {
return Phaser.ArrayUtils.rotateMatrix(matrix, direction);
},
/**
* A standard Fisher-Yates Array shuffle implementation.
*
* @method Phaser.Utils.shuffle
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* @param {any[]} array - The array to shuffle.
* @return {any[]} The shuffled array.
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* @deprecated 2.2.0 - User Phaser.ArrayUtils.shuffle
*/
shuffle: function (array) {
return Phaser.ArrayUtils.shuffle(array);
},
/**
* Get a unit dimension from a string.
*
* @method Phaser.Utils.parseDimension
* @param {string|number} size - The size to parse.
* @param {number} dimension - The window dimension to check.
* @return {number} The parsed dimension.
*/
parseDimension: function (size, dimension) {
var f = 0;
var px = 0;
if (typeof size === 'string')
{
// %?
if (size.substr(-1) === '%')
{
f = parseInt(size, 10) / 100;
if (dimension === 0)
{
px = window.innerWidth * f;
}
else
{
px = window.innerHeight * f;
}
}
else
{
px = parseInt(size, 10);
}
}
else
{
px = size;
}
return px;
},
/**
* Javascript string pad http://www.webtoolkit.info/.
*
* @method Phaser.Utils.pad
* @param {string} str - The target string.
* @param {number} len - The number of characters to be added.
* @param {number} pad - The string to pad it out with (defaults to a space).
* @param {number} [dir=3] The direction dir = 1 (left), 2 (right), 3 (both).
* @return {string} The padded string
*/
pad: function (str, len, pad, dir) {
if (typeof(len) === "undefined") { var len = 0; }
if (typeof(pad) === "undefined") { var pad = ' '; }
if (typeof(dir) === "undefined") { var dir = 3; }
var padlen = 0;
if (len + 1 >= str.length)
{
switch (dir)
{
case 1:
str = new Array(len + 1 - str.length).join(pad) + str;
break;
case 3:
var right = Math.ceil((padlen = len - str.length) / 2);
var left = padlen - right;
str = new Array(left+1).join(pad) + str + new Array(right+1).join(pad);
break;
default:
str = str + new Array(len + 1 - str.length).join(pad);
break;
}
}
return str;
},
/**
* This is a slightly modified version of jQuery.isPlainObject.
* A plain object is an object whose internal class property is [object Object].
* @method Phaser.Utils.isPlainObject
* @param {object} obj - The object to inspect.
* @return {boolean} - true if the object is plain, otherwise false.
*/
isPlainObject: function (obj) {
// Not plain objects:
// - Any object or value whose internal [[Class]] property is not "[object Object]"
// - DOM nodes
// - window
if (typeof(obj) !== "object" || obj.nodeType || obj === obj.window)
{
return false;
}
// Support: Firefox < 20
// The try/catch suppresses exceptions thrown when attempting to access
// the "constructor" property of certain host objects, ie. |window.location|
// https://bugzilla.mozilla.org/show_bug.cgi?id=814622
try {
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if (obj.constructor & & !({}).hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf"))
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{
return false;
}
} catch (e) {
return false;
}
// If the function hasn't returned already, we're confident that
// |obj| is a plain object, created by {} or constructed with new Object
return true;
},
/**
* This is a slightly modified version of http://api.jquery.com/jQuery.extend/
* @method Phaser.Utils.extend
* @param {boolean} deep - Perform a deep copy?
* @param {object} target - The target object to copy to.
* @return {object} The extended object.
*/
extend: function () {
var options, name, src, copy, copyIsArray, clone,
target = arguments[0] || {},
i = 1,
length = arguments.length,
deep = false;
// Handle a deep copy situation
if (typeof target === "boolean")
{
deep = target;
target = arguments[1] || {};
// skip the boolean and the target
i = 2;
}
// extend Phaser if only one argument is passed
if (length === i)
{
target = this;
--i;
}
for (; i < length; i++)
{
// Only deal with non-null/undefined values
if ((options = arguments[i]) != null)
{
// Extend the base object
for (name in options)
{
src = target[name];
copy = options[name];
// Prevent never-ending loop
if (target === copy)
{
continue;
}
// Recurse if we're merging plain objects or arrays
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if (deep & & copy & & (Phaser.Utils.isPlainObject(copy) || (copyIsArray = Array.isArray(copy))))
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{
if (copyIsArray)
{
copyIsArray = false;
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clone = src & & Array.isArray(src) ? src : [];
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}
else
{
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clone = src & & Phaser.Utils.isPlainObject(src) ? src : {};
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}
// Never move original objects, clone them
target[name] = Phaser.Utils.extend(deep, clone, copy);
// Don't bring in undefined values
}
else if (copy !== undefined)
{
target[name] = copy;
}
}
}
}
// Return the modified object
return target;
},
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/**
* Mixes in an existing mixin object with the target.
*
* Values in the mixin that have either `get` or `set` functions are created as properties via `defineProperty`
* _except_ if they also define a `clone` method - if a clone method is defined that is called instead and
* the result is assigned directly.
*
* @method Phaser.Utils.mixinPrototype
* @param {object} target - The target object to receive the new functions.
* @param {object} mixin - The object to copy the functions from.
* @param {boolean} [replace=false] - If the target object already has a matching function should it be overwritten or not?
*/
mixinPrototype: function (target, mixin, replace) {
if (typeof replace === 'undefined') { replace = false; }
var mixinKeys = Object.keys(mixin);
for (var i = 0; i < mixinKeys.length; i++)
{
var key = mixinKeys[i];
var value = mixin[key];
if (!replace & & (key in target))
{
// Not overwriting existing property
continue;
}
else
{
if (value & &
(typeof value.get === 'function' || typeof value.set === 'function'))
{
// Special case for classes like Phaser.Point which has a 'set' function!
if (typeof value.clone === 'function')
{
target[key] = value.clone();
}
else
{
Object.defineProperty(target, key, value);
}
}
else
{
target[key] = value;
}
}
}
},
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/**
* Mixes the source object into the destination object, returning the newly modified destination object.
* Based on original code by @mudcube
*
* @method Phaser.Utils.mixin
* @param {object} from - The object to copy (the source object).
* @param {object} to - The object to copy to (the destination object).
* @return {object} The modified destination object.
*/
mixin: function (from, to) {
if (!from || typeof (from) !== "object")
{
return to;
}
for (var key in from)
{
var o = from[key];
if (o.childNodes || o.cloneNode)
{
continue;
}
var type = typeof (from[key]);
if (!from[key] || type !== "object")
{
to[key] = from[key];
}
else
{
// Clone sub-object
if (typeof (to[key]) === type)
{
to[key] = Phaser.Utils.mixin(from[key], to[key]);
}
else
{
to[key] = Phaser.Utils.mixin(from[key], new o.constructor());
}
}
}
return to;
}
};
< / pre >
< / article >
< / section >
< / div >
< div class = "clearfix" > < / div >
< footer >
< span class = "copyright" >
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Phaser Copyright © 2012-2015 Photon Storm Ltd.
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< / span >
< br / >
< span class = "jsdoc-message" >
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Documentation generated by < a href = "https://github.com/jsdoc3/jsdoc" > JSDoc 3.3.0-alpha10< / a >
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on Thu Mar 26 2015 02:53:48 GMT+0000 (GMT Standard Time) using the < a href = "https://github.com/terryweiss/docstrap" > DocStrap template< / a > .
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< / span >
< / footer >
< / div >
< br clear = "both" >
< / div >
< / div >
< script src = "scripts/sunlight.js" > < / script >
< script src = "scripts/sunlight.javascript.js" > < / script >
< script src = "scripts/sunlight-plugin.doclinks.js" > < / script >
< script src = "scripts/sunlight-plugin.linenumbers.js" > < / script >
< script src = "scripts/sunlight-plugin.menu.js" > < / script >
< script src = "scripts/jquery.min.js" > < / script >
< script src = "scripts/jquery.scrollTo.js" > < / script >
< script src = "scripts/jquery.localScroll.js" > < / script >
< script src = "scripts/bootstrap-dropdown.js" > < / script >
< script src = "scripts/toc.js" > < / script >
< script > Sunlight . highlightAll ( { lineNumbers : true , showMenu : true , enableDoclinks : true } ) ; < / script >
< script >
$( function () {
$( "#toc" ).toc( {
anchorName : function(i, heading, prefix) {
return $(heading).attr("id") || ( prefix + i );
},
selectors : "h1,h2,h3,h4",
showAndHide : false,
scrollTo : 60
} );
$( "#toc>ul" ).addClass( "nav nav-pills nav-stacked" );
$( "#main span[id^='toc']" ).addClass( "toc-shim" );
} );
< / script >
< / body >
< / html >
