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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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<div class="span12">
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<div id="main">
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<h1 class="page-title">Source: src/tween/Easing.js</h1>
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<section>
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<article>
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<pre class="sunlight-highlight-javascript linenums">/* jshint curly: false */
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|
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|
/**
|
|
* @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}
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|
*/
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|
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|
/**
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|
* A collection of easing methods defining ease-in and ease-out curves.
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|
*
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* @class Phaser.Easing
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|
*/
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Phaser.Easing = {
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|
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|
/**
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|
* Linear easing.
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*
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|
* @class Phaser.Easing.Linear
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|
*/
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Linear: {
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|
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|
/**
|
|
* Linear Easing (no variation).
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*
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|
* @method Phaser.Easing.Linear#None
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|
* @param {number} k - The value to be tweened.
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|
* @returns {number} k.
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|
*/
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|
None: function ( k ) {
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|
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|
return k;
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|
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|
}
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|
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},
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|
|
|
/**
|
|
* Quadratic easing.
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|
*
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|
* @class Phaser.Easing.Quadratic
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|
*/
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|
Quadratic: {
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|
|
|
/**
|
|
* Ease-in.
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|
*
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|
* @method Phaser.Easing.Quadratic#In
|
|
* @param {number} k - The value to be tweened.
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|
* @returns {number} k^2.
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|
*/
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|
In: function ( k ) {
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|
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|
return k * k;
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|
},
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|
|
|
/**
|
|
* Ease-out.
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|
*
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|
* @method Phaser.Easing.Quadratic#Out
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|
* @param {number} k - The value to be tweened.
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|
* @returns {number} k* (2-k).
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|
*/
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|
Out: function ( k ) {
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|
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|
return k * ( 2 - k );
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},
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|
|
|
/**
|
|
* Ease-in/out.
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|
*
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|
* @method Phaser.Easing.Quadratic#InOut
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|
* @param {number} k - The value to be tweened.
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|
* @returns {number} The tweened value.
|
|
*/
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|
InOut: function ( k ) {
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|
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|
if ( ( k *= 2 ) < 1 ) return 0.5 * k * k;
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|
return - 0.5 * ( --k * ( k - 2 ) - 1 );
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|
}
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|
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},
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|
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|
/**
|
|
* Cubic easing.
|
|
*
|
|
* @class Phaser.Easing.Cubic
|
|
*/
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|
Cubic: {
|
|
|
|
/**
|
|
* Cubic ease-in.
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|
*
|
|
* @method Phaser.Easing.Cubic#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
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|
*/
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|
In: function ( k ) {
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|
|
|
return k * k * k;
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|
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|
},
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|
|
|
/**
|
|
* Cubic ease-out.
|
|
*
|
|
* @method Phaser.Easing.Cubic#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
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|
Out: function ( k ) {
|
|
|
|
return --k * k * k + 1;
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|
|
|
},
|
|
|
|
/**
|
|
* Cubic ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Cubic#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
if ( ( k *= 2 ) < 1 ) return 0.5 * k * k * k;
|
|
return 0.5 * ( ( k -= 2 ) * k * k + 2 );
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|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Quartic easing.
|
|
*
|
|
* @class Phaser.Easing.Quartic
|
|
*/
|
|
Quartic: {
|
|
|
|
/**
|
|
* Quartic ease-in.
|
|
*
|
|
* @method Phaser.Easing.Quartic#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
In: function ( k ) {
|
|
|
|
return k * k * k * k;
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|
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|
},
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|
|
|
/**
|
|
* Quartic ease-out.
|
|
*
|
|
* @method Phaser.Easing.Quartic#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
Out: function ( k ) {
|
|
|
|
return 1 - ( --k * k * k * k );
|
|
|
|
},
|
|
|
|
/**
|
|
* Quartic ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Quartic#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
if ( ( k *= 2 ) < 1) return 0.5 * k * k * k * k;
|
|
return - 0.5 * ( ( k -= 2 ) * k * k * k - 2 );
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Quintic easing.
|
|
*
|
|
* @class Phaser.Easing.Quintic
|
|
*/
|
|
Quintic: {
|
|
|
|
/**
|
|
* Quintic ease-in.
|
|
*
|
|
* @method Phaser.Easing.Quintic#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
In: function ( k ) {
|
|
|
|
return k * k * k * k * k;
|
|
|
|
},
|
|
|
|
/**
|
|
* Quintic ease-out.
|
|
*
|
|
* @method Phaser.Easing.Quintic#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
Out: function ( k ) {
|
|
|
|
return --k * k * k * k * k + 1;
|
|
|
|
},
|
|
|
|
/**
|
|
* Quintic ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Quintic#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
if ( ( k *= 2 ) < 1 ) return 0.5 * k * k * k * k * k;
|
|
return 0.5 * ( ( k -= 2 ) * k * k * k * k + 2 );
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Sinusoidal easing.
|
|
*
|
|
* @class Phaser.Easing.Sinusoidal
|
|
*/
|
|
Sinusoidal: {
|
|
|
|
/**
|
|
* Sinusoidal ease-in.
|
|
*
|
|
* @method Phaser.Easing.Sinusoidal#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
In: function ( k ) {
|
|
|
|
if (k === 0) return 0;
|
|
if (k === 1) return 1;
|
|
return 1 - Math.cos( k * Math.PI / 2 );
|
|
|
|
},
|
|
|
|
/**
|
|
* Sinusoidal ease-out.
|
|
*
|
|
* @method Phaser.Easing.Sinusoidal#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
Out: function ( k ) {
|
|
|
|
if (k === 0) return 0;
|
|
if (k === 1) return 1;
|
|
return Math.sin( k * Math.PI / 2 );
|
|
|
|
},
|
|
|
|
/**
|
|
* Sinusoidal ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Sinusoidal#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
if (k === 0) return 0;
|
|
if (k === 1) return 1;
|
|
return 0.5 * ( 1 - Math.cos( Math.PI * k ) );
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Exponential easing.
|
|
*
|
|
* @class Phaser.Easing.Exponential
|
|
*/
|
|
Exponential: {
|
|
|
|
/**
|
|
* Exponential ease-in.
|
|
*
|
|
* @method Phaser.Easing.Exponential#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
In: function ( k ) {
|
|
|
|
return k === 0 ? 0 : Math.pow( 1024, k - 1 );
|
|
|
|
},
|
|
|
|
/**
|
|
* Exponential ease-out.
|
|
*
|
|
* @method Phaser.Easing.Exponential#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
Out: function ( k ) {
|
|
|
|
return k === 1 ? 1 : 1 - Math.pow( 2, - 10 * k );
|
|
|
|
},
|
|
|
|
/**
|
|
* Exponential ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Exponential#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
if ( k === 0 ) return 0;
|
|
if ( k === 1 ) return 1;
|
|
if ( ( k *= 2 ) < 1 ) return 0.5 * Math.pow( 1024, k - 1 );
|
|
return 0.5 * ( - Math.pow( 2, - 10 * ( k - 1 ) ) + 2 );
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Circular easing.
|
|
*
|
|
* @class Phaser.Easing.Circular
|
|
*/
|
|
Circular: {
|
|
|
|
/**
|
|
* Circular ease-in.
|
|
*
|
|
* @method Phaser.Easing.Circular#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
In: function ( k ) {
|
|
|
|
return 1 - Math.sqrt( 1 - k * k );
|
|
|
|
},
|
|
|
|
/**
|
|
* Circular ease-out.
|
|
*
|
|
* @method Phaser.Easing.Circular#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
Out: function ( k ) {
|
|
|
|
return Math.sqrt( 1 - ( --k * k ) );
|
|
|
|
},
|
|
|
|
/**
|
|
* Circular ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Circular#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
if ( ( k *= 2 ) < 1) return - 0.5 * ( Math.sqrt( 1 - k * k) - 1);
|
|
return 0.5 * ( Math.sqrt( 1 - ( k -= 2) * k) + 1);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Elastic easing.
|
|
*
|
|
* @class Phaser.Easing.Elastic
|
|
*/
|
|
Elastic: {
|
|
|
|
/**
|
|
* Elastic ease-in.
|
|
*
|
|
* @method Phaser.Easing.Elastic#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
In: function ( k ) {
|
|
|
|
var s, a = 0.1, p = 0.4;
|
|
if ( k === 0 ) return 0;
|
|
if ( k === 1 ) return 1;
|
|
if ( !a || a < 1 ) { a = 1; s = p / 4; }
|
|
else s = p * Math.asin( 1 / a ) / ( 2 * Math.PI );
|
|
return - ( a * Math.pow( 2, 10 * ( k -= 1 ) ) * Math.sin( ( k - s ) * ( 2 * Math.PI ) / p ) );
|
|
|
|
},
|
|
|
|
/**
|
|
* Elastic ease-out.
|
|
*
|
|
* @method Phaser.Easing.Elastic#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
Out: function ( k ) {
|
|
|
|
var s, a = 0.1, p = 0.4;
|
|
if ( k === 0 ) return 0;
|
|
if ( k === 1 ) return 1;
|
|
if ( !a || a < 1 ) { a = 1; s = p / 4; }
|
|
else s = p * Math.asin( 1 / a ) / ( 2 * Math.PI );
|
|
return ( a * Math.pow( 2, - 10 * k) * Math.sin( ( k - s ) * ( 2 * Math.PI ) / p ) + 1 );
|
|
|
|
},
|
|
|
|
/**
|
|
* Elastic ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Elastic#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
var s, a = 0.1, p = 0.4;
|
|
if ( k === 0 ) return 0;
|
|
if ( k === 1 ) return 1;
|
|
if ( !a || a < 1 ) { a = 1; s = p / 4; }
|
|
else s = p * Math.asin( 1 / a ) / ( 2 * Math.PI );
|
|
if ( ( k *= 2 ) < 1 ) return - 0.5 * ( a * Math.pow( 2, 10 * ( k -= 1 ) ) * Math.sin( ( k - s ) * ( 2 * Math.PI ) / p ) );
|
|
return a * Math.pow( 2, -10 * ( k -= 1 ) ) * Math.sin( ( k - s ) * ( 2 * Math.PI ) / p ) * 0.5 + 1;
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Back easing.
|
|
*
|
|
* @class Phaser.Easing.Back
|
|
*/
|
|
Back: {
|
|
|
|
/**
|
|
* Back ease-in.
|
|
*
|
|
* @method Phaser.Easing.Back#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
In: function ( k ) {
|
|
|
|
var s = 1.70158;
|
|
return k * k * ( ( s + 1 ) * k - s );
|
|
|
|
},
|
|
|
|
/**
|
|
* Back ease-out.
|
|
*
|
|
* @method Phaser.Easing.Back#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
Out: function ( k ) {
|
|
|
|
var s = 1.70158;
|
|
return --k * k * ( ( s + 1 ) * k + s ) + 1;
|
|
|
|
},
|
|
|
|
/**
|
|
* Back ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Back#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
var s = 1.70158 * 1.525;
|
|
if ( ( k *= 2 ) < 1 ) return 0.5 * ( k * k * ( ( s + 1 ) * k - s ) );
|
|
return 0.5 * ( ( k -= 2 ) * k * ( ( s + 1 ) * k + s ) + 2 );
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Bounce easing.
|
|
*
|
|
* @class Phaser.Easing.Bounce
|
|
*/
|
|
Bounce: {
|
|
|
|
/**
|
|
* Bounce ease-in.
|
|
*
|
|
* @method Phaser.Easing.Bounce#In
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
In: function ( k ) {
|
|
|
|
return 1 - Phaser.Easing.Bounce.Out( 1 - k );
|
|
|
|
},
|
|
|
|
/**
|
|
* Bounce ease-out.
|
|
*
|
|
* @method Phaser.Easing.Bounce#Out
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
Out: function ( k ) {
|
|
|
|
if ( k < ( 1 / 2.75 ) ) {
|
|
|
|
return 7.5625 * k * k;
|
|
|
|
} else if ( k < ( 2 / 2.75 ) ) {
|
|
|
|
return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75;
|
|
|
|
} else if ( k < ( 2.5 / 2.75 ) ) {
|
|
|
|
return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375;
|
|
|
|
} else {
|
|
|
|
return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375;
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Bounce ease-in/out.
|
|
*
|
|
* @method Phaser.Easing.Bounce#InOut
|
|
* @param {number} k - The value to be tweened.
|
|
* @returns {number} The tweened value.
|
|
*/
|
|
InOut: function ( k ) {
|
|
|
|
if ( k < 0.5 ) return Phaser.Easing.Bounce.In( k * 2 ) * 0.5;
|
|
return Phaser.Easing.Bounce.Out( k * 2 - 1 ) * 0.5 + 0.5;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
Phaser.Easing.Default = Phaser.Easing.Linear.None;
|
|
Phaser.Easing.Power0 = Phaser.Easing.Linear.None;
|
|
Phaser.Easing.Power1 = Phaser.Easing.Quadratic.Out;
|
|
Phaser.Easing.Power2 = Phaser.Easing.Cubic.Out;
|
|
Phaser.Easing.Power3 = Phaser.Easing.Quartic.Out;
|
|
Phaser.Easing.Power4 = Phaser.Easing.Quintic.Out;
|
|
</pre>
|
|
</article>
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</section>
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<footer>
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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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