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1464 lines
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<a href="Phaser.Rectangle.html">Rectangle</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.RenderTexture.html">RenderTexture</a>
|
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</li>
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|
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<li class="class-depth-1">
|
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<a href="Phaser.RequestAnimationFrame.html">RequestAnimationFrame</a>
|
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</li>
|
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|
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<li class="class-depth-1">
|
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<a href="Phaser.RetroFont.html">RetroFont</a>
|
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</li>
|
|
|
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<li class="class-depth-1">
|
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<a href="Phaser.Rope.html">Rope</a>
|
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</li>
|
|
|
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<li class="class-depth-1">
|
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<a href="Phaser.RoundedRectangle.html">RoundedRectangle</a>
|
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</li>
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|
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<li class="class-depth-1">
|
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<a href="Phaser.ScaleManager.html">ScaleManager</a>
|
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</li>
|
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|
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<li class="class-depth-1">
|
|
<a href="Phaser.Signal.html">Signal</a>
|
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</li>
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|
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<li class="class-depth-1">
|
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<a href="Phaser.SignalBinding.html">SignalBinding</a>
|
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</li>
|
|
|
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<li class="class-depth-1">
|
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<a href="Phaser.SinglePad.html">SinglePad</a>
|
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</li>
|
|
|
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<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.SoundManager.html">SoundManager</a>
|
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</li>
|
|
|
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<li class="class-depth-1">
|
|
<a href="Phaser.Sprite.html">Sprite</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.SpriteBatch.html">SpriteBatch</a>
|
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</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Stage.html">Stage</a>
|
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</li>
|
|
|
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<li class="class-depth-1">
|
|
<a href="Phaser.State.html">State</a>
|
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</li>
|
|
|
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<li class="class-depth-1">
|
|
<a href="Phaser.StateManager.html">StateManager</a>
|
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</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Text.html">Text</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Tile.html">Tile</a>
|
|
</li>
|
|
|
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<li class="class-depth-1">
|
|
<a href="Phaser.Tilemap.html">Tilemap</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.TilemapLayer.html">TilemapLayer</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.TilemapParser.html">TilemapParser</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Tileset.html">Tileset</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.TileSprite.html">TileSprite</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Time.html">Time</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Timer.html">Timer</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.TimerEvent.html">TimerEvent</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Touch.html">Touch</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Tween.html">Tween</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.TweenData.html">TweenData</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.TweenManager.html">TweenManager</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Utils.html">Utils</a>
|
|
</li>
|
|
|
|
<li class="class-depth-2">
|
|
<a href="Phaser.Utils.Debug.html">Debug</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.Video.html">Video</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="Phaser.World.html">World</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.AbstractFilter.html">AbstractFilter</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.BaseTexture.html">BaseTexture</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.CanvasBuffer.html">CanvasBuffer</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.CanvasGraphics.html">CanvasGraphics</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.CanvasMaskManager.html">CanvasMaskManager</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.CanvasPool.html">CanvasPool</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.CanvasRenderer.html">CanvasRenderer</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.CanvasTinter.html">CanvasTinter</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.ComplexPrimitiveShader.html">ComplexPrimitiveShader</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.DisplayObject.html">DisplayObject</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.DisplayObjectContainer.html">DisplayObjectContainer</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.EarCut.html">EarCut</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.Event.html">Event</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.EventTarget.html">EventTarget</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.FilterTexture.html">FilterTexture</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.Graphics.html">Graphics</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.GraphicsData.html">GraphicsData</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.PIXI.html">PIXI</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.PixiFastShader.html">PixiFastShader</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.PixiShader.html">PixiShader</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.PolyK.html">PolyK</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.PrimitiveShader.html">PrimitiveShader</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.RenderTexture.html">RenderTexture</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.Rope.html">Rope</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.Sprite.html">Sprite</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.SpriteBatch.html">SpriteBatch</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.Strip.html">Strip</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.StripShader.html">StripShader</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.Texture.html">Texture</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.TilingSprite.html">TilingSprite</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.WebGLBlendModeManager.html">WebGLBlendModeManager</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.WebGLFastSpriteBatch.html">WebGLFastSpriteBatch</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.WebGLFilterManager.html">WebGLFilterManager</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
|
<a href="PIXI.WebGLRenderer.html">WebGLRenderer</a>
|
|
</li>
|
|
|
|
|
|
</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#AUTO">AUTO</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#BITMAPDATA">BITMAPDATA</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#BITMAPTEXT">BITMAPTEXT</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#blendModes">blendModes</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#BUTTON">BUTTON</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#CANVAS">CANVAS</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#CANVAS_FILTER">CANVAS_FILTER</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#CIRCLE">CIRCLE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#CREATURE">CREATURE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#DOWN">DOWN</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#ELLIPSE">ELLIPSE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#EMITTER">EMITTER</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#GAMES">GAMES</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#GRAPHICS">GRAPHICS</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#GROUP">GROUP</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#HEADLESS">HEADLESS</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#IMAGE">IMAGE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#LEFT">LEFT</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#LINE">LINE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#MATRIX">MATRIX</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#NONE">NONE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#PENDING_ATLAS">PENDING_ATLAS</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#POINT">POINT</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#POINTER">POINTER</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#POLYGON">POLYGON</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#RECTANGLE">RECTANGLE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#RENDERTEXTURE">RENDERTEXTURE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#RETROFONT">RETROFONT</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#RIGHT">RIGHT</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#ROPE">ROPE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#ROUNDEDRECTANGLE">ROUNDEDRECTANGLE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#scaleModes">scaleModes</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#SPRITE">SPRITE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#SPRITEBATCH">SPRITEBATCH</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#TEXT">TEXT</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#TILEMAP">TILEMAP</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#TILEMAPLAYER">TILEMAPLAYER</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#TILESPRITE">TILESPRITE</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#UP">UP</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#VERSION">VERSION</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#VIDEO">VIDEO</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#WEBGL">WEBGL</a>
|
|
</li>
|
|
|
|
<li class="class-depth-0">
|
|
<a href="global.html#WEBGL_FILTER">WEBGL_FILTER</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</li>
|
|
|
|
|
|
<li class="dropdown">
|
|
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Core<b class="caret"></b></a>
|
|
<ul class="dropdown-menu ">
|
|
<li class="class-depth-1"><a href="Phaser.Game.html">Game</a></li>
|
|
<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.Cache.html">Cache</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>
|
|
<li class="class-depth-1"><a href="Phaser.Input.html">Input Manager</a></li>
|
|
<li class="class-depth-1"><a href="Phaser.ScaleManager.html">Scale Manager</a></li>
|
|
</ul>
|
|
</li>
|
|
|
|
<li class="dropdown">
|
|
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Game Objects<b class="caret"></b></a>
|
|
<ul class="dropdown-menu ">
|
|
<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>
|
|
<li class="class-depth-1"><a href="Phaser.Video.html">Video</a></li>
|
|
<li class="class-depth-1"><a href="Phaser.Particles.Arcade.Emitter.html">Particle Emitter</a></li>
|
|
<li class="class-depth-1"><a href="Phaser.Particle.html">Particle</a></li>
|
|
<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>
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<h1 class="page-title">Source: src/utils/ArrayUtils.js</h1>
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<section>
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<article>
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<pre class="sunlight-highlight-javascript linenums">/**
|
|
* @author Richard Davey <rich@photonstorm.com>
|
|
* @copyright 2016 Photon Storm Ltd.
|
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
|
|
*/
|
|
|
|
/**
|
|
* Utility functions for dealing with Arrays.
|
|
*
|
|
* @class Phaser.ArrayUtils
|
|
* @static
|
|
*/
|
|
Phaser.ArrayUtils = {
|
|
|
|
/**
|
|
* Fetch a random entry from the given array.
|
|
*
|
|
* Will return null if there are no array items that fall within the specified range
|
|
* or if there is no item for the randomly chosen index.
|
|
*
|
|
* @method
|
|
* @param {any[]} objects - An array of objects.
|
|
* @param {integer} startIndex - Optional offset off the front of the array. Default value is 0, or the beginning of the array.
|
|
* @param {integer} length - Optional restriction on the number of values you want to randomly select from.
|
|
* @return {object} The random object that was selected.
|
|
*/
|
|
getRandomItem: function (objects, startIndex, length) {
|
|
|
|
if (objects === null) { return null; }
|
|
if (startIndex === undefined) { startIndex = 0; }
|
|
if (length === undefined) { length = objects.length; }
|
|
|
|
var randomIndex = startIndex + Math.floor(Math.random() * length);
|
|
|
|
return objects[randomIndex] === undefined ? null : objects[randomIndex];
|
|
|
|
},
|
|
|
|
/**
|
|
* Removes a random object from the given array and returns it.
|
|
*
|
|
* Will return null if there are no array items that fall within the specified range
|
|
* or if there is no item for the randomly chosen index.
|
|
*
|
|
* @method
|
|
* @param {any[]} objects - An array of objects.
|
|
* @param {integer} startIndex - Optional offset off the front of the array. Default value is 0, or the beginning of the array.
|
|
* @param {integer} length - Optional restriction on the number of values you want to randomly select from.
|
|
* @return {object} The random object that was removed.
|
|
*/
|
|
removeRandomItem: function (objects, startIndex, length) {
|
|
|
|
if (objects == null) { // undefined or null
|
|
return null;
|
|
}
|
|
|
|
if (startIndex === undefined) { startIndex = 0; }
|
|
if (length === undefined) { length = objects.length; }
|
|
|
|
var randomIndex = startIndex + Math.floor(Math.random() * length);
|
|
if (randomIndex < objects.length)
|
|
{
|
|
var removed = objects.splice(randomIndex, 1);
|
|
return removed[0] === undefined ? null : removed[0];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* A standard Fisher-Yates Array shuffle implementation which modifies the array in place.
|
|
*
|
|
* @method
|
|
* @param {any[]} array - The array to shuffle.
|
|
* @return {any[]} The original array, now shuffled.
|
|
*/
|
|
shuffle: function (array) {
|
|
|
|
for (var i = array.length - 1; i > 0; i--)
|
|
{
|
|
var j = Math.floor(Math.random() * (i + 1));
|
|
var temp = array[i];
|
|
array[i] = array[j];
|
|
array[j] = temp;
|
|
}
|
|
|
|
return array;
|
|
|
|
},
|
|
|
|
/**
|
|
* Transposes the elements of the given matrix (array of arrays).
|
|
*
|
|
* @method
|
|
* @param {Array<any[]>} array - The matrix to transpose.
|
|
* @return {Array<any[]>} A new transposed matrix
|
|
*/
|
|
transposeMatrix: function (array) {
|
|
|
|
var sourceRowCount = array.length;
|
|
var sourceColCount = array[0].length;
|
|
|
|
var result = new Array(sourceColCount);
|
|
|
|
for (var i = 0; i < sourceColCount; i++)
|
|
{
|
|
result[i] = new Array(sourceRowCount);
|
|
|
|
for (var j = sourceRowCount - 1; j > -1; j--)
|
|
{
|
|
result[i][j] = array[j][i];
|
|
}
|
|
}
|
|
|
|
return result;
|
|
|
|
},
|
|
|
|
/**
|
|
* Rotates the given matrix (array of arrays).
|
|
*
|
|
* Based on the routine from {@link http://jsfiddle.net/MrPolywhirl/NH42z/}.
|
|
*
|
|
* @method
|
|
* @param {Array<any[]>} matrix - The array to rotate; this matrix _may_ be altered.
|
|
* @param {number|string} direction - The amount to rotate: the rotation 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.
|
|
*/
|
|
rotateMatrix: function (matrix, direction) {
|
|
|
|
if (typeof direction !== 'string')
|
|
{
|
|
direction = ((direction % 360) + 360) % 360;
|
|
}
|
|
|
|
if (direction === 90 || direction === -270 || direction === 'rotateLeft')
|
|
{
|
|
matrix = Phaser.ArrayUtils.transposeMatrix(matrix);
|
|
matrix = matrix.reverse();
|
|
}
|
|
else if (direction === -90 || direction === 270 || direction === 'rotateRight')
|
|
{
|
|
matrix = matrix.reverse();
|
|
matrix = Phaser.ArrayUtils.transposeMatrix(matrix);
|
|
}
|
|
else if (Math.abs(direction) === 180 || direction === 'rotate180')
|
|
{
|
|
for (var i = 0; i < matrix.length; i++)
|
|
{
|
|
matrix[i].reverse();
|
|
}
|
|
|
|
matrix = matrix.reverse();
|
|
}
|
|
|
|
return matrix;
|
|
|
|
},
|
|
|
|
/**
|
|
* Snaps a value to the nearest value in an array.
|
|
* The result will always be in the range `[first_value, last_value]`.
|
|
*
|
|
* @method
|
|
* @param {number} value - The search value
|
|
* @param {number[]} arr - The input array which _must_ be sorted.
|
|
* @return {number} The nearest value found.
|
|
*/
|
|
findClosest: function (value, arr) {
|
|
|
|
if (!arr.length)
|
|
{
|
|
return NaN;
|
|
}
|
|
else if (arr.length === 1 || value < arr[0])
|
|
{
|
|
return arr[0];
|
|
}
|
|
|
|
var i = 1;
|
|
while (arr[i] < value) {
|
|
i++;
|
|
}
|
|
|
|
var low = arr[i - 1];
|
|
var high = (i < arr.length) ? arr[i] : Number.POSITIVE_INFINITY;
|
|
|
|
return ((high - value) <= (value - low)) ? high : low;
|
|
|
|
},
|
|
|
|
/**
|
|
* Moves the element from the start of the array to the end, shifting all items in the process.
|
|
* The "rotation" happens to the left.
|
|
*
|
|
* @method Phaser.ArrayUtils.rotate
|
|
* @param {any[]} array - The array to shift/rotate. The array is modified.
|
|
* @return {any} The shifted value.
|
|
*/
|
|
rotate: function (array) {
|
|
|
|
var s = array.shift();
|
|
array.push(s);
|
|
|
|
return s;
|
|
|
|
},
|
|
|
|
/**
|
|
* Create an array representing the inclusive range of numbers (usually integers) in `[start, end]`.
|
|
* This is equivalent to `numberArrayStep(start, end, 1)`.
|
|
*
|
|
* @method Phaser.ArrayUtils#numberArray
|
|
* @param {number} start - The minimum value the array starts with.
|
|
* @param {number} end - The maximum value the array contains.
|
|
* @return {number[]} The array of number values.
|
|
*/
|
|
numberArray: function (start, end) {
|
|
|
|
var result = [];
|
|
|
|
for (var i = start; i <= end; i++)
|
|
{
|
|
result.push(i);
|
|
}
|
|
|
|
return result;
|
|
|
|
},
|
|
|
|
/**
|
|
* Create an array of numbers (positive and/or negative) progressing from `start`
|
|
* up to but not including `end` by advancing by `step`.
|
|
*
|
|
* If `start` is less than `end` a zero-length range is created unless a negative `step` is specified.
|
|
*
|
|
* Certain values for `start` and `end` (eg. NaN/undefined/null) are currently coerced to 0;
|
|
* for forward compatibility make sure to pass in actual numbers.
|
|
*
|
|
* @method Phaser.ArrayUtils#numberArrayStep
|
|
* @param {number} start - The start of the range.
|
|
* @param {number} [end] - The end of the range.
|
|
* @param {number} [step=1] - The value to increment or decrement by.
|
|
* @returns {Array} Returns the new array of numbers.
|
|
* @example
|
|
* Phaser.ArrayUtils.numberArrayStep(4);
|
|
* // => [0, 1, 2, 3]
|
|
*
|
|
* Phaser.ArrayUtils.numberArrayStep(1, 5);
|
|
* // => [1, 2, 3, 4]
|
|
*
|
|
* Phaser.ArrayUtils.numberArrayStep(0, 20, 5);
|
|
* // => [0, 5, 10, 15]
|
|
*
|
|
* Phaser.ArrayUtils.numberArrayStep(0, -4, -1);
|
|
* // => [0, -1, -2, -3]
|
|
*
|
|
* Phaser.ArrayUtils.numberArrayStep(1, 4, 0);
|
|
* // => [1, 1, 1]
|
|
*
|
|
* Phaser.ArrayUtils.numberArrayStep(0);
|
|
* // => []
|
|
*/
|
|
numberArrayStep: function (start, end, step) {
|
|
|
|
if (start === undefined || start === null) { start = 0; }
|
|
|
|
if (end === undefined || end === null)
|
|
{
|
|
end = start;
|
|
start = 0;
|
|
}
|
|
|
|
if (step === undefined) { step = 1; }
|
|
|
|
var result = [];
|
|
var total = Math.max(Phaser.Math.roundAwayFromZero((end - start) / (step || 1)), 0);
|
|
|
|
for (var i = 0; i < total; i++)
|
|
{
|
|
result.push(start);
|
|
start += step;
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
};
|
|
</pre>
|
|
</article>
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</section>
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Phaser Copyright © 2012-2016 Photon Storm Ltd.
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<br />
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<span class="jsdoc-message">
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.2</a>
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