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<li class="class-depth-1">
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<a href="Phaser.TweenData.html">TweenData</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.TweenManager.html">TweenManager</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Utils.html">Utils</a>
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</li>
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<li class="class-depth-2">
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<a href="Phaser.Utils.Debug.html">Debug</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.World.html">World</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.AbstractFilter.html">AbstractFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.AjaxRequest.html">AjaxRequest</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.AlphaMaskFilter.html">AlphaMaskFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.AsciiFilter.html">AsciiFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.AssetLoader.html">AssetLoader</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.AtlasLoader.html">AtlasLoader</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.BaseTexture.html">BaseTexture</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.BitmapFontLoader.html">BitmapFontLoader</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.BitmapText.html">BitmapText</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.BlurFilter.html">BlurFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.BlurXFilter.html">BlurXFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.BlurYFilter.html">BlurYFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.CanvasBuffer.html">CanvasBuffer</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.CanvasGraphics.html">CanvasGraphics</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.CanvasMaskManager.html">CanvasMaskManager</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.CanvasRenderer.html">CanvasRenderer</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.CanvasTinter.html">CanvasTinter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Circle.html">Circle</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.ColorMatrixFilter.html">ColorMatrixFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.ColorStepFilter.html">ColorStepFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.ComplexPrimitiveShader.html">ComplexPrimitiveShader</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.ConvolutionFilter.html">ConvolutionFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.CrossHatchFilter.html">CrossHatchFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.DisplacementFilter.html">DisplacementFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.DisplayObject.html">DisplayObject</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.DisplayObjectContainer.html">DisplayObjectContainer</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.DotScreenFilter.html">DotScreenFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Ellipse.html">Ellipse</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Event.html">Event</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.EventTarget.html">EventTarget</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.FilterBlock.html">FilterBlock</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.FilterTexture.html">FilterTexture</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Graphics.html">Graphics</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.GraphicsData.html">GraphicsData</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.GrayFilter.html">GrayFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.ImageLoader.html">ImageLoader</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.InteractionData.html">InteractionData</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.InteractionManager.html">InteractionManager</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.InvertFilter.html">InvertFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.JsonLoader.html">JsonLoader</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Matrix.html">Matrix</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.MovieClip.html">MovieClip</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.NoiseFilter.html">NoiseFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.NormalMapFilter.html">NormalMapFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.PixelateFilter.html">PixelateFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.PIXI.html">PIXI</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.PixiFastShader.html">PixiFastShader</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.PixiShader.html">PixiShader</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Point.html">Point</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Polygon.html">Polygon</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.PolyK.html">PolyK</a>
|
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</li>
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<li class="class-depth-1">
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<a href="PIXI.PrimitiveShader.html">PrimitiveShader</a>
|
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Rectangle.html">Rectangle</a>
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.RenderTexture.html">RenderTexture</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.RGBSplitFilter.html">RGBSplitFilter</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.Rope.html">Rope</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.RoundedRectangle.html">RoundedRectangle</a>
|
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.SepiaFilter.html">SepiaFilter</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.SmartBlurFilter.html">SmartBlurFilter</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="PIXI.Spine.html">Spine</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.SpineLoader.html">SpineLoader</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.SpineTextureLoader.html">SpineTextureLoader</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.Sprite.html">Sprite</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.SpriteBatch.html">SpriteBatch</a>
|
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</li>
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<li class="class-depth-1">
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<a href="PIXI.SpriteSheetLoader.html">SpriteSheetLoader</a>
|
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Stage.html">Stage</a>
|
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</li>
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<li class="class-depth-1">
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<a href="PIXI.Strip.html">Strip</a>
|
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.StripShader.html">StripShader</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.Text.html">Text</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.Texture.html">Texture</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.TilingSprite.html">TilingSprite</a>
|
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.TiltShiftFilter.html">TiltShiftFilter</a>
|
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.TiltShiftXFilter.html">TiltShiftXFilter</a>
|
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</li>
|
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<li class="class-depth-1">
|
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<a href="PIXI.TiltShiftYFilter.html">TiltShiftYFilter</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="PIXI.TwistFilter.html">TwistFilter</a>
|
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</li>
|
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<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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|
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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>
|
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<li class="class-depth-1">
|
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<a href="PIXI.WebGLFilterManager.html">WebGLFilterManager</a>
|
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</li>
|
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<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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</ul>
|
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</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>
|
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<ul class="dropdown-menu ">
|
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<li class="class-depth-1"><a href="Phaser.Group.html">Group</a></li>
|
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<li class="class-depth-1"><a href="Phaser.World.html">World</a></li>
|
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<li class="class-depth-1"><a href="Phaser.Loader.html">Loader</a></li>
|
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<li class="class-depth-1"><a href="Phaser.Time.html">Time</a></li>
|
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<li class="class-depth-1"><a href="Phaser.Camera.html">Camera</a></li>
|
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<li class="class-depth-1"><a href="Phaser.StateManager.html">State Manager</a></li>
|
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<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.InputManager.html">Input Manager</a></li>
|
|
<li class="class-depth-1"><a href="Phaser.ScaleManager.html">Scale Manager</a></li>
|
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</ul>
|
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</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>
|
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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.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.Emitter.html">Emitter</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>
|
|
<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>
|
|
|
|
<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>
|
|
</ul>
|
|
</li>
|
|
|
|
<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 ">
|
|
<li class="class-depth-1"><a href="https://github.com/photonstorm/phaser">Phaser Github</a></li>
|
|
<li class="class-depth-1"><a href="http://examples.phaser.io">Phaser Examples</a></li>
|
|
<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>
|
|
<li class="class-depth-1"><a href="https://confirmsubscription.com/h/r/369DE48E3E86AF1E">Newsletter</a></li>
|
|
<li class="class-depth-1"><a href="https://twitter.com/photonstorm">Twitter</a></li>
|
|
<li class="class-depth-1"><a href="http://www.html5gamedevs.com/topic/4470-official-phaserio-irc-channel-phaserio-on-freenode/">IRC</a></li>
|
|
<li class="class-depth-1"><a href="https://www.gittip.com/photonstorm/">GitTip</a></li>
|
|
</ul>
|
|
</li>
|
|
|
|
</ul>
|
|
</div>
|
|
</div>
|
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<div class="row-fluid">
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<div class="span12">
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<div id="main">
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<h1 class="page-title">Source: D:/wamp/www/phaser/src/particles/arcade/Emitter.js</h1>
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<section>
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<article>
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<pre class="sunlight-highlight-javascript linenums">/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2014 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* Emitter is a lightweight particle emitter that uses Arcade Physics.
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* It can be used for one-time explosions or for continuous effects like rain and fire.
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* All it really does is launch Particle objects out at set intervals, and fixes their positions and velocities accordingly.
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*
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* @class Phaser.Particles.Arcade.Emitter
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* @constructor
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* @extends Phaser.Group
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* @param {Phaser.Game} game - Current game instance.
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* @param {number} [x=0] - The x coordinate within the Emitter that the particles are emitted from.
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* @param {number} [y=0] - The y coordinate within the Emitter that the particles are emitted from.
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* @param {number} [maxParticles=50] - The total number of particles in this emitter.
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*/
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Phaser.Particles.Arcade.Emitter = function (game, x, y, maxParticles) {
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/**
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* @property {number} maxParticles - The total number of particles in this emitter.
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* @default
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*/
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this.maxParticles = maxParticles || 50;
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Phaser.Group.call(this, game);
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/**
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* @property {string} name - A handy string name for this emitter. Can be set to anything.
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*/
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this.name = 'emitter' + this.game.particles.ID++;
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/**
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* @property {number} type - Internal Phaser Type value.
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* @protected
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*/
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this.type = Phaser.EMITTER;
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/**
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* @property {Phaser.Rectangle} area - The area of the emitter. Particles can be randomly generated from anywhere within this rectangle.
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* @default
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*/
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this.area = new Phaser.Rectangle(x, y, 1, 1);
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/**
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* @property {Phaser.Point} minParticleSpeed - The minimum possible velocity of a particle.
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* @default
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*/
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this.minParticleSpeed = new Phaser.Point(-100, -100);
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/**
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* @property {Phaser.Point} maxParticleSpeed - The maximum possible velocity of a particle.
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* @default
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*/
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this.maxParticleSpeed = new Phaser.Point(100, 100);
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/**
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* @property {number} minParticleScale - The minimum possible scale of a particle. This is applied to the X and Y axis. If you need to control each axis see minParticleScaleX.
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* @default
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*/
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this.minParticleScale = 1;
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/**
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* @property {number} maxParticleScale - The maximum possible scale of a particle. This is applied to the X and Y axis. If you need to control each axis see maxParticleScaleX.
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* @default
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*/
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this.maxParticleScale = 1;
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/**
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* @property {array} scaleData - An array of the calculated scale easing data applied to particles with scaleRates > 0.
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*/
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this.scaleData = null;
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/**
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* @property {number} minRotation - The minimum possible angular velocity of a particle.
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* @default
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*/
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this.minRotation = -360;
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/**
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* @property {number} maxRotation - The maximum possible angular velocity of a particle.
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* @default
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*/
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this.maxRotation = 360;
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/**
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* @property {number} minParticleAlpha - The minimum possible alpha value of a particle.
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* @default
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*/
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this.minParticleAlpha = 1;
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/**
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* @property {number} maxParticleAlpha - The maximum possible alpha value of a particle.
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* @default
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*/
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this.maxParticleAlpha = 1;
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/**
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* @property {array} alphaData - An array of the calculated alpha easing data applied to particles with alphaRates > 0.
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*/
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this.alphaData = null;
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/**
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* @property {number} gravity - Sets the `body.gravity.y` of each particle sprite to this value on launch.
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* @default
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*/
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this.gravity = 100;
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/**
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* @property {any} particleClass - For emitting your own particle class types. They must extend Phaser.Particle.
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* @default
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*/
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this.particleClass = Phaser.Particle;
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/**
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* @property {Phaser.Point} particleDrag - The X and Y drag component of particles launched from the emitter.
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*/
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this.particleDrag = new Phaser.Point();
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/**
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* @property {number} angularDrag - The angular drag component of particles launched from the emitter if they are rotating.
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* @default
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*/
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this.angularDrag = 0;
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/**
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* @property {boolean} frequency - How often a particle is emitted in ms (if emitter is started with Explode === false).
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* @default
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*/
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this.frequency = 100;
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/**
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* @property {number} lifespan - How long each particle lives once it is emitted in ms. Default is 2 seconds. Set lifespan to 'zero' for particles to live forever.
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* @default
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*/
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this.lifespan = 2000;
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/**
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* @property {Phaser.Point} bounce - How much each particle should bounce on each axis. 1 = full bounce, 0 = no bounce.
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*/
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this.bounce = new Phaser.Point();
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/**
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* @property {boolean} on - Determines whether the emitter is currently emitting particles. It is totally safe to directly toggle this.
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* @default
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*/
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this.on = false;
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/**
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* @property {Phaser.Point} particleAnchor - When a particle is created its anchor will be set to match this Point object (defaults to x/y: 0.5 to aid in rotation)
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* @default
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*/
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this.particleAnchor = new Phaser.Point(0.5, 0.5);
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/**
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* @property {number} blendMode - The blendMode as set on the particle when emitted from the Emitter. Defaults to NORMAL. Needs browser capable of supporting canvas blend-modes (most not available in WebGL)
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* @default
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*/
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this.blendMode = Phaser.blendModes.NORMAL;
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/**
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* The point the particles are emitted from.
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* Emitter.x and Emitter.y control the containers location, which updates all current particles
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* Emitter.emitX and Emitter.emitY control the emission location relative to the x/y position.
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* @property {number} emitX
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*/
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this.emitX = x;
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/**
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* The point the particles are emitted from.
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* Emitter.x and Emitter.y control the containers location, which updates all current particles
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* Emitter.emitX and Emitter.emitY control the emission location relative to the x/y position.
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* @property {number} emitY
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*/
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this.emitY = y;
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/**
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* @property {boolean} autoScale - When a new Particle is emitted this controls if it will automatically scale in size. Use Emitter.setScale to configure.
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*/
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this.autoScale = false;
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/**
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* @property {boolean} autoAlpha - When a new Particle is emitted this controls if it will automatically change alpha. Use Emitter.setAlpha to configure.
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*/
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this.autoAlpha = false;
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/**
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* @property {boolean} particleBringToTop - If this is `true` then when the Particle is emitted it will be bought to the top of the Emitters display list.
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* @default
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*/
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this.particleBringToTop = false;
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/**
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* @property {boolean} particleSendToBack - If this is `true` then when the Particle is emitted it will be sent to the back of the Emitters display list.
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* @default
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*/
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this.particleSendToBack = false;
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/**
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* @property {Phaser.Point} _minParticleScale - Internal particle scale var.
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* @private
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*/
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this._minParticleScale = new Phaser.Point(1, 1);
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/**
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* @property {Phaser.Point} _maxParticleScale - Internal particle scale var.
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* @private
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*/
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this._maxParticleScale = new Phaser.Point(1, 1);
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/**
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* @property {number} _quantity - Internal helper for deciding how many particles to launch.
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* @private
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*/
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this._quantity = 0;
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/**
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* @property {number} _timer - Internal helper for deciding when to launch particles or kill them.
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* @private
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*/
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this._timer = 0;
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/**
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* @property {number} _counter - Internal counter for figuring out how many particles to launch.
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* @private
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*/
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this._counter = 0;
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/**
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* @property {boolean} _explode - Internal helper for the style of particle emission (all at once, or one at a time).
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* @private
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*/
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this._explode = true;
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/**
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* @property {any} _frames - Internal helper for the particle frame.
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* @private
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*/
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this._frames = null;
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};
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Phaser.Particles.Arcade.Emitter.prototype = Object.create(Phaser.Group.prototype);
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Phaser.Particles.Arcade.Emitter.prototype.constructor = Phaser.Particles.Arcade.Emitter;
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/**
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* Called automatically by the game loop, decides when to launch particles and when to "die".
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* @method Phaser.Particles.Arcade.Emitter#update
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*/
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Phaser.Particles.Arcade.Emitter.prototype.update = function () {
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if (this.on && this.game.time.time >= this._timer)
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{
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this.emitParticle();
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this._counter++;
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if (this._quantity > 0)
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{
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if (this._counter >= this._quantity)
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{
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this.on = false;
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}
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}
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this._timer = this.game.time.time + this.frequency * this.game.time.slowMotion;
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}
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var i = this.children.length;
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while (i--)
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{
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if (this.children[i].exists)
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{
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this.children[i].update();
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}
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}
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};
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/**
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* This function generates a new set of particles for use by this emitter.
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* The particles are stored internally waiting to be emitted via Emitter.start.
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*
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* @method Phaser.Particles.Arcade.Emitter#makeParticles
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* @param {array|string} keys - A string or an array of strings that the particle sprites will use as their texture. If an array one is picked at random.
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* @param {array|number} [frames=0] - A frame number, or array of frames that the sprite will use. If an array one is picked at random.
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* @param {number} [quantity] - The number of particles to generate. If not given it will use the value of Emitter.maxParticles.
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* @param {boolean} [collide=false] - If you want the particles to be able to collide with other Arcade Physics bodies then set this to true.
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* @param {boolean} [collideWorldBounds=false] - A particle can be set to collide against the World bounds automatically and rebound back into the World if this is set to true. Otherwise it will leave the World.
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* @return {Phaser.Particles.Arcade.Emitter} This Emitter instance.
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*/
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Phaser.Particles.Arcade.Emitter.prototype.makeParticles = function (keys, frames, quantity, collide, collideWorldBounds) {
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if (typeof frames === 'undefined') { frames = 0; }
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if (typeof quantity === 'undefined') { quantity = this.maxParticles; }
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if (typeof collide === 'undefined') { collide = false; }
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if (typeof collideWorldBounds === 'undefined') { collideWorldBounds = false; }
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var particle;
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var i = 0;
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var rndKey = keys;
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var rndFrame = frames;
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this._frames = frames;
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while (i < quantity)
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{
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if (Array.isArray(keys))
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{
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rndKey = this.game.rnd.pick(keys);
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}
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if (Array.isArray(frames))
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{
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rndFrame = this.game.rnd.pick(frames);
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}
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particle = new this.particleClass(this.game, 0, 0, rndKey, rndFrame);
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this.game.physics.arcade.enable(particle, false);
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if (collide)
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{
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particle.body.checkCollision.any = true;
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particle.body.checkCollision.none = false;
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}
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else
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{
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particle.body.checkCollision.none = true;
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}
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particle.body.collideWorldBounds = collideWorldBounds;
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particle.body.skipQuadTree = true;
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particle.exists = false;
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particle.visible = false;
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particle.anchor.copyFrom(this.particleAnchor);
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this.add(particle);
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i++;
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}
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return this;
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};
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/**
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* Call this function to turn off all the particles and the emitter.
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*
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* @method Phaser.Particles.Arcade.Emitter#kill
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*/
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Phaser.Particles.Arcade.Emitter.prototype.kill = function () {
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this.on = false;
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this.alive = false;
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this.exists = false;
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};
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/**
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* Handy for bringing game objects "back to life". Just sets alive and exists back to true.
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*
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* @method Phaser.Particles.Arcade.Emitter#revive
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*/
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Phaser.Particles.Arcade.Emitter.prototype.revive = function () {
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this.alive = true;
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this.exists = true;
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};
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/**
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* Call this function to emit the given quantity of particles at all once (an explosion)
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*
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* @method Phaser.Particles.Arcade.Emitter#explode
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* @param {number} [lifespan=0] - How long each particle lives once emitted in ms. 0 = forever.
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* @param {number} [quantity=0] - How many particles to launch.
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*/
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Phaser.Particles.Arcade.Emitter.prototype.explode = function (lifespan, quantity) {
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this.start(true, lifespan, 0, quantity, false);
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};
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/**
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* Call this function to start emitting a flow of particles at the given frequency.
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*
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* @method Phaser.Particles.Arcade.Emitter#flow
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* @param {number} [lifespan=0] - How long each particle lives once emitted in ms. 0 = forever.
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* @param {number} [frequency=250] - Frequency is how often to emit a particle, given in ms.
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* @param {number} [quantity=0] - How many particles to launch.
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*/
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Phaser.Particles.Arcade.Emitter.prototype.flow = function (lifespan, frequency, quantity) {
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this.start(false, lifespan, frequency, quantity, true);
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};
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/**
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* Call this function to start emitting particles.
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*
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* @method Phaser.Particles.Arcade.Emitter#start
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* @param {boolean} [explode=true] - Whether the particles should all burst out at once (true) or at the frequency given (false).
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* @param {number} [lifespan=0] - How long each particle lives once emitted in ms. 0 = forever.
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* @param {number} [frequency=250] - Ignored if Explode is set to true. Frequency is how often to emit 1 particle. Value given in ms.
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* @param {number} [quantity=0] - How many particles to launch. 0 = "all of the particles".
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* @param {number} [forceQuantity=false] - If true and creating a particle flow, the quantity emitted will be forced to the be quantity given in this call.
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*/
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Phaser.Particles.Arcade.Emitter.prototype.start = function (explode, lifespan, frequency, quantity, forceQuantity) {
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if (typeof explode === 'undefined') { explode = true; }
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if (typeof lifespan === 'undefined') { lifespan = 0; }
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if (typeof frequency === 'undefined' || frequency === null) { frequency = 250; }
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if (typeof quantity === 'undefined') { quantity = 0; }
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if (typeof forceQuantity === 'undefined') { forceQuantity = false; }
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this.revive();
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this.visible = true;
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this.lifespan = lifespan;
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this.frequency = frequency;
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if (explode || forceQuantity)
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{
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for (var i = 0; i < quantity; i++)
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{
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this.emitParticle();
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}
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}
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else
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{
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this.on = true;
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this._quantity += quantity;
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this._counter = 0;
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this._timer = this.game.time.time + frequency * this.game.time.slowMotion;
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}
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};
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/**
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* This function can be used both internally and externally to emit the next particle in the queue.
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*
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* @method Phaser.Particles.Arcade.Emitter#emitParticle
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*/
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Phaser.Particles.Arcade.Emitter.prototype.emitParticle = function () {
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var particle = this.getFirstExists(false);
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if (particle === null)
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{
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return;
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}
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if (this.width > 1 || this.height > 1)
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{
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particle.reset(this.game.rnd.integerInRange(this.left, this.right), this.game.rnd.integerInRange(this.top, this.bottom));
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}
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else
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{
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particle.reset(this.emitX, this.emitY);
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}
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particle.angle = 0;
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particle.lifespan = this.lifespan;
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if (this.particleBringToTop)
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{
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this.bringToTop(particle);
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}
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else if (this.particleSendToBack)
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{
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this.sendToBack(particle);
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}
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if (this.autoScale)
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{
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particle.setScaleData(this.scaleData);
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}
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else if (this.minParticleScale !== 1 || this.maxParticleScale !== 1)
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{
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particle.scale.set(this.game.rnd.realInRange(this.minParticleScale, this.maxParticleScale));
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}
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else if ((this._minParticleScale.x !== this._maxParticleScale.x) || (this._minParticleScale.y !== this._maxParticleScale.y))
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{
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particle.scale.set(this.game.rnd.realInRange(this._minParticleScale.x, this._maxParticleScale.x), this.game.rnd.realInRange(this._minParticleScale.y, this._maxParticleScale.y));
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}
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if (Array.isArray(this._frames === 'object'))
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{
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particle.frame = this.game.rnd.pick(this._frames);
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}
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else
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{
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particle.frame = this._frames;
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}
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if (this.autoAlpha)
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{
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particle.setAlphaData(this.alphaData);
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}
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else
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{
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particle.alpha = this.game.rnd.realInRange(this.minParticleAlpha, this.maxParticleAlpha);
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}
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particle.blendMode = this.blendMode;
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particle.body.updateBounds();
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particle.body.bounce.setTo(this.bounce.x, this.bounce.y);
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particle.body.velocity.x = this.game.rnd.integerInRange(this.minParticleSpeed.x, this.maxParticleSpeed.x);
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particle.body.velocity.y = this.game.rnd.integerInRange(this.minParticleSpeed.y, this.maxParticleSpeed.y);
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particle.body.angularVelocity = this.game.rnd.integerInRange(this.minRotation, this.maxRotation);
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particle.body.gravity.y = this.gravity;
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particle.body.drag.x = this.particleDrag.x;
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|
particle.body.drag.y = this.particleDrag.y;
|
|
|
|
particle.body.angularDrag = this.angularDrag;
|
|
|
|
particle.onEmit();
|
|
|
|
};
|
|
|
|
/**
|
|
* A more compact way of setting the width and height of the emitter.
|
|
*
|
|
* @method Phaser.Particles.Arcade.Emitter#setSize
|
|
* @param {number} width - The desired width of the emitter (particles are spawned randomly within these dimensions).
|
|
* @param {number} height - The desired height of the emitter.
|
|
*/
|
|
Phaser.Particles.Arcade.Emitter.prototype.setSize = function (width, height) {
|
|
|
|
this.area.width = width;
|
|
this.area.height = height;
|
|
|
|
};
|
|
|
|
/**
|
|
* A more compact way of setting the X velocity range of the emitter.
|
|
* @method Phaser.Particles.Arcade.Emitter#setXSpeed
|
|
* @param {number} [min=0] - The minimum value for this range.
|
|
* @param {number} [max=0] - The maximum value for this range.
|
|
*/
|
|
Phaser.Particles.Arcade.Emitter.prototype.setXSpeed = function (min, max) {
|
|
|
|
min = min || 0;
|
|
max = max || 0;
|
|
|
|
this.minParticleSpeed.x = min;
|
|
this.maxParticleSpeed.x = max;
|
|
|
|
};
|
|
|
|
/**
|
|
* A more compact way of setting the Y velocity range of the emitter.
|
|
* @method Phaser.Particles.Arcade.Emitter#setYSpeed
|
|
* @param {number} [min=0] - The minimum value for this range.
|
|
* @param {number} [max=0] - The maximum value for this range.
|
|
*/
|
|
Phaser.Particles.Arcade.Emitter.prototype.setYSpeed = function (min, max) {
|
|
|
|
min = min || 0;
|
|
max = max || 0;
|
|
|
|
this.minParticleSpeed.y = min;
|
|
this.maxParticleSpeed.y = max;
|
|
|
|
};
|
|
|
|
/**
|
|
* A more compact way of setting the angular velocity constraints of the particles.
|
|
*
|
|
* @method Phaser.Particles.Arcade.Emitter#setRotation
|
|
* @param {number} [min=0] - The minimum value for this range.
|
|
* @param {number} [max=0] - The maximum value for this range.
|
|
*/
|
|
Phaser.Particles.Arcade.Emitter.prototype.setRotation = function (min, max) {
|
|
|
|
min = min || 0;
|
|
max = max || 0;
|
|
|
|
this.minRotation = min;
|
|
this.maxRotation = max;
|
|
|
|
};
|
|
|
|
/**
|
|
* A more compact way of setting the alpha constraints of the particles.
|
|
* The rate parameter, if set to a value above zero, lets you set the speed at which the Particle change in alpha from min to max.
|
|
* If rate is zero, which is the default, the particle won't change alpha - instead it will pick a random alpha between min and max on emit.
|
|
*
|
|
* @method Phaser.Particles.Arcade.Emitter#setAlpha
|
|
* @param {number} [min=1] - The minimum value for this range.
|
|
* @param {number} [max=1] - The maximum value for this range.
|
|
* @param {number} [rate=0] - The rate (in ms) at which the particles will change in alpha from min to max, or set to zero to pick a random alpha between the two.
|
|
* @param {number} [ease=Phaser.Easing.Linear.None] - If you've set a rate > 0 this is the easing formula applied between the min and max values.
|
|
* @param {boolean} [yoyo=false] - If you've set a rate > 0 you can set if the ease will yoyo or not (i.e. ease back to its original values)
|
|
*/
|
|
Phaser.Particles.Arcade.Emitter.prototype.setAlpha = function (min, max, rate, ease, yoyo) {
|
|
|
|
if (typeof min === 'undefined') { min = 1; }
|
|
if (typeof max === 'undefined') { max = 1; }
|
|
if (typeof rate === 'undefined') { rate = 0; }
|
|
if (typeof ease === 'undefined') { ease = Phaser.Easing.Linear.None; }
|
|
if (typeof yoyo === 'undefined') { yoyo = false; }
|
|
|
|
this.minParticleAlpha = min;
|
|
this.maxParticleAlpha = max;
|
|
this.autoAlpha = false;
|
|
|
|
if (rate > 0 && min !== max)
|
|
{
|
|
var tweenData = { v: min };
|
|
var tween = this.game.make.tween(tweenData).to( { v: max }, rate, ease);
|
|
tween.yoyo(yoyo);
|
|
|
|
this.alphaData = tween.generateData(60);
|
|
|
|
// Inverse it so we don't have to do array length look-ups in Particle update loops
|
|
this.alphaData.reverse();
|
|
this.autoAlpha = true;
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* A more compact way of setting the scale constraints of the particles.
|
|
* The rate parameter, if set to a value above zero, lets you set the speed and ease which the Particle uses to change in scale from min to max across both axis.
|
|
* If rate is zero, which is the default, the particle won't change scale during update, instead it will pick a random scale between min and max on emit.
|
|
*
|
|
* @method Phaser.Particles.Arcade.Emitter#setScale
|
|
* @param {number} [minX=1] - The minimum value of Particle.scale.x.
|
|
* @param {number} [maxX=1] - The maximum value of Particle.scale.x.
|
|
* @param {number} [minY=1] - The minimum value of Particle.scale.y.
|
|
* @param {number} [maxY=1] - The maximum value of Particle.scale.y.
|
|
* @param {number} [rate=0] - The rate (in ms) at which the particles will change in scale from min to max, or set to zero to pick a random size between the two.
|
|
* @param {number} [ease=Phaser.Easing.Linear.None] - If you've set a rate > 0 this is the easing formula applied between the min and max values.
|
|
* @param {boolean} [yoyo=false] - If you've set a rate > 0 you can set if the ease will yoyo or not (i.e. ease back to its original values)
|
|
*/
|
|
Phaser.Particles.Arcade.Emitter.prototype.setScale = function (minX, maxX, minY, maxY, rate, ease, yoyo) {
|
|
|
|
if (typeof minX === 'undefined') { minX = 1; }
|
|
if (typeof maxX === 'undefined') { maxX = 1; }
|
|
if (typeof minY === 'undefined') { minY = 1; }
|
|
if (typeof maxY === 'undefined') { maxY = 1; }
|
|
if (typeof rate === 'undefined') { rate = 0; }
|
|
if (typeof ease === 'undefined') { ease = Phaser.Easing.Linear.None; }
|
|
if (typeof yoyo === 'undefined') { yoyo = false; }
|
|
|
|
// Reset these
|
|
this.minParticleScale = 1;
|
|
this.maxParticleScale = 1;
|
|
|
|
this._minParticleScale.set(minX, minY);
|
|
this._maxParticleScale.set(maxX, maxY);
|
|
|
|
this.autoScale = false;
|
|
|
|
if (rate > 0 && ((minX !== maxX) || (minY !== maxY)))
|
|
{
|
|
var tweenData = { x: minX, y: minY };
|
|
var tween = this.game.make.tween(tweenData).to( { x: maxX, y: maxY }, rate, ease);
|
|
tween.yoyo(yoyo);
|
|
|
|
this.scaleData = tween.generateData(60);
|
|
|
|
// Inverse it so we don't have to do array length look-ups in Particle update loops
|
|
this.scaleData.reverse();
|
|
this.autoScale = true;
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* Change the emitters center to match the center of any object with a `center` property, such as a Sprite.
|
|
* If the object doesn't have a center property it will be set to object.x + object.width / 2
|
|
*
|
|
* @method Phaser.Particles.Arcade.Emitter#at
|
|
* @param {object|Phaser.Sprite|Phaser.Image|Phaser.TileSprite|Phaser.Text|PIXI.DisplayObject} object - The object that you wish to match the center with.
|
|
*/
|
|
Phaser.Particles.Arcade.Emitter.prototype.at = function (object) {
|
|
|
|
if (object.center)
|
|
{
|
|
this.emitX = object.center.x;
|
|
this.emitY = object.center.y;
|
|
}
|
|
else
|
|
{
|
|
this.emitX = object.world.x + (object.anchor.x * object.width);
|
|
this.emitY = object.world.y + (object.anchor.y * object.height);
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* @name Phaser.Particles.Arcade.Emitter#width
|
|
* @property {number} width - Gets or sets the width of the Emitter. This is the region in which a particle can be emitted.
|
|
*/
|
|
Object.defineProperty(Phaser.Particles.Arcade.Emitter.prototype, "width", {
|
|
|
|
get: function () {
|
|
return this.area.width;
|
|
},
|
|
|
|
set: function (value) {
|
|
this.area.width = value;
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Particles.Arcade.Emitter#height
|
|
* @property {number} height - Gets or sets the height of the Emitter. This is the region in which a particle can be emitted.
|
|
*/
|
|
Object.defineProperty(Phaser.Particles.Arcade.Emitter.prototype, "height", {
|
|
|
|
get: function () {
|
|
return this.area.height;
|
|
},
|
|
|
|
set: function (value) {
|
|
this.area.height = value;
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Particles.Arcade.Emitter#x
|
|
* @property {number} x - Gets or sets the x position of the Emitter.
|
|
*/
|
|
Object.defineProperty(Phaser.Particles.Arcade.Emitter.prototype, "x", {
|
|
|
|
get: function () {
|
|
return this.emitX;
|
|
},
|
|
|
|
set: function (value) {
|
|
this.emitX = value;
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Particles.Arcade.Emitter#y
|
|
* @property {number} y - Gets or sets the y position of the Emitter.
|
|
*/
|
|
Object.defineProperty(Phaser.Particles.Arcade.Emitter.prototype, "y", {
|
|
|
|
get: function () {
|
|
return this.emitY;
|
|
},
|
|
|
|
set: function (value) {
|
|
this.emitY = value;
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Particles.Arcade.Emitter#left
|
|
* @property {number} left - Gets the left position of the Emitter.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Particles.Arcade.Emitter.prototype, "left", {
|
|
|
|
get: function () {
|
|
return Math.floor(this.x - (this.area.width / 2));
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Particles.Arcade.Emitter#right
|
|
* @property {number} right - Gets the right position of the Emitter.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Particles.Arcade.Emitter.prototype, "right", {
|
|
|
|
get: function () {
|
|
return Math.floor(this.x + (this.area.width / 2));
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Particles.Arcade.Emitter#top
|
|
* @property {number} top - Gets the top position of the Emitter.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Particles.Arcade.Emitter.prototype, "top", {
|
|
|
|
get: function () {
|
|
return Math.floor(this.y - (this.area.height / 2));
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* @name Phaser.Particles.Arcade.Emitter#bottom
|
|
* @property {number} bottom - Gets the bottom position of the Emitter.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Particles.Arcade.Emitter.prototype, "bottom", {
|
|
|
|
get: function () {
|
|
return Math.floor(this.y + (this.area.height / 2));
|
|
}
|
|
|
|
});
|
|
</pre>
|
|
</article>
|
|
</section>
|
|
|
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|
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<footer>
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|
|
|
<span class="copyright">
|
|
Phaser Copyright © 2012-2014 Photon Storm Ltd.
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|
</span>
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|
<br />
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|
|
<span class="jsdoc-message">
|
|
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
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on Tue Nov 25 2014 00:17:18 GMT-0000 (GMT) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
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