@azerion/phaser

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Phaser Source: src/utils/Utils.js</title>  <link type="text/css" rel="stylesheet" href="styles/default.css"> <link type="text/css" rel="stylesheet" href="styles/sunlight.default.css"> <link type="text/css" rel="stylesheet" href="styles/site.cerulean.css"> </head> <body> <div class="container-fluid"> <div class="navbar navbar-fixed-top navbar-inverse"> <div style="position: absolute; width: 143px; height: 31px; right: 10px; top: 10px; z-index: 1050"><a href="http://phaser.io"><img src="img/phaser.png" border="0" /></a></div> <div class="navbar-inner"> <a class="brand" href="index.html">Phaser API</a> <ul class="nav"> <li class="dropdown"> <a href="namespaces.list.html" class="dropdown-toggle" data-toggle="dropdown">Namespaces<b class="caret"></b></a> <ul class="dropdown-menu "> <li class="class-depth-0"> <a href="Phaser.html">Phaser</a> </li> <li class="class-depth-0"> <a href="PIXI.html">PIXI</a> </li> </ul> </li> <li class="dropdown"> <a href="classes.list.html" class="dropdown-toggle" data-toggle="dropdown">Classes<b class="caret"></b></a> <ul class="dropdown-menu "> <li class="class-depth-0"> <a href="Event.html">Event</a> </li> <li class="class-depth-0"> <a href="EventTarget.html">EventTarget</a> </li> <li class="class-depth-1"> <a href="Phaser.Animation.html">Animation</a> </li> <li class="class-depth-1"> <a href="Phaser.AnimationManager.html">AnimationManager</a> </li> <li class="class-depth-1"> <a href="Phaser.AnimationParser.html">AnimationParser</a> </li> <li class="class-depth-1"> <a href="Phaser.ArraySet.html">ArraySet</a> </li> <li class="class-depth-1"> <a href="Phaser.ArrayUtils.html">ArrayUtils</a> </li> <li class="class-depth-1"> <a href="Phaser.AudioSprite.html">AudioSprite</a> </li> <li class="class-depth-1"> <a href="Phaser.BitmapData.html">BitmapData</a> </li> <li class="class-depth-1"> <a href="Phaser.BitmapText.html">BitmapText</a> </li> <li class="class-depth-1"> <a href="Phaser.Bullet.html">Bullet</a> </li> <li class="class-depth-1"> <a href="Phaser.Button.html">Button</a> </li> <li class="class-depth-1"> <a href="Phaser.Cache.html">Cache</a> </li> <li class="class-depth-1"> <a href="Phaser.Camera.html">Camera</a> </li> <li class="class-depth-1"> <a href="Phaser.Canvas.html">Canvas</a> </li> <li class="class-depth-1"> <a href="Phaser.Circle.html">Circle</a> </li> <li class="class-depth-1"> <a href="Phaser.Color.html">Color</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Angle.html">Angle</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Animation.html">Animation</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.AutoCull.html">AutoCull</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Bounds.html">Bounds</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.BringToTop.html">BringToTop</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Core.html">Core</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Crop.html">Crop</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Delta.html">Delta</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Destroy.html">Destroy</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.FixedToCamera.html">FixedToCamera</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Health.html">Health</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.InCamera.html">InCamera</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.InputEnabled.html">InputEnabled</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.InWorld.html">InWorld</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.LifeSpan.html">LifeSpan</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.LoadTexture.html">LoadTexture</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Overlap.html">Overlap</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.PhysicsBody.html">PhysicsBody</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Reset.html">Reset</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.ScaleMinMax.html">ScaleMinMax</a> </li> <li class="class-depth-2"> <a href="Phaser.Component.Smoothed.html">Smoothed</a> </li> <li class="class-depth-1"> <a href="Phaser.Create.html">Create</a> </li> <li class="class-depth-1"> <a href="Phaser.Creature.html">Creature</a> </li> <li class="class-depth-1"> <a href="Phaser.Device.html">Device</a> </li> <li class="class-depth-1"> <a href="Phaser.DeviceButton.html">DeviceButton</a> </li> <li class="class-depth-1"> <a href="Phaser.DOM.html">DOM</a> </li> <li class="class-depth-1"> <a href="Phaser.Easing.html">Easing</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Back.html">Back</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Bounce.html">Bounce</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Circular.html">Circular</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Cubic.html">Cubic</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Elastic.html">Elastic</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Exponential.html">Exponential</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Linear.html">Linear</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Quadratic.html">Quadratic</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Quartic.html">Quartic</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Quintic.html">Quintic</a> </li> <li class="class-depth-2"> <a href="Phaser.Easing.Sinusoidal.html">Sinusoidal</a> </li> <li class="class-depth-1"> <a href="Phaser.Ellipse.html">Ellipse</a> </li> <li class="class-depth-1"> <a href="Phaser.Events.html">Events</a> </li> <li class="class-depth-1"> <a href="Phaser.Filter.html">Filter</a> </li> <li class="class-depth-1"> <a href="Phaser.FlexGrid.html">FlexGrid</a> </li> <li class="class-depth-1"> <a href="Phaser.FlexLayer.html">FlexLayer</a> </li> <li class="class-depth-1"> <a href="Phaser.Frame.html">Frame</a> </li> <li class="class-depth-1"> <a href="Phaser.FrameData.html">FrameData</a> </li> <li class="class-depth-1"> <a href="Phaser.Game.html">Game</a> </li> <li class="class-depth-1"> <a href="Phaser.GameObjectCreator.html">GameObjectCreator</a> </li> <li class="class-depth-1"> <a href="Phaser.GameObjectFactory.html">GameObjectFactory</a> </li> <li class="class-depth-1"> <a href="Phaser.Gamepad.html">Gamepad</a> </li> <li class="class-depth-1"> <a href="Phaser.Graphics.html">Graphics</a> </li> <li class="class-depth-1"> <a href="Phaser.Group.html">Group</a> </li> <li class="class-depth-1"> <a href="Phaser.Hermite.html">Hermite</a> </li> <li class="class-depth-1"> <a href="Phaser.Image.html">Image</a> </li> <li class="class-depth-1"> <a href="Phaser.ImageCollection.html">ImageCollection</a> </li> <li class="class-depth-1"> <a href="Phaser.Input.html">Input</a> </li> <li class="class-depth-1"> <a href="Phaser.InputHandler.html">InputHandler</a> </li> <li class="class-depth-1"> <a href="Phaser.Key.html">Key</a> </li> <li class="class-depth-1"> <a href="Phaser.Keyboard.html">Keyboard</a> </li> <li class="class-depth-1"> <a href="Phaser.KeyCode.html">KeyCode</a> </li> <li class="class-depth-1"> <a href="Phaser.Line.html">Line</a> </li> <li class="class-depth-1"> <a href="Phaser.LinkedList.html">LinkedList</a> </li> <li class="class-depth-1"> <a href="Phaser.Loader.html">Loader</a> </li> <li class="class-depth-1"> <a href="Phaser.LoaderParser.html">LoaderParser</a> </li> <li class="class-depth-1"> <a href="Phaser.Math.html">Math</a> </li> <li class="class-depth-1"> <a href="Phaser.Matrix.html">Matrix</a> </li> <li class="class-depth-1"> <a href="Phaser.Mouse.html">Mouse</a> </li> <li class="class-depth-1"> <a href="Phaser.MSPointer.html">MSPointer</a> </li> <li class="class-depth-1"> <a href="Phaser.Net.html">Net</a> </li> <li class="class-depth-1"> <a href="Phaser.Particle.html">Particle</a> </li> <li class="class-depth-1"> <a href="Phaser.Particles.html">Particles</a> </li> <li class="class-depth-2"> <a href="Phaser.Particles.Arcade.html">Arcade</a> </li> <li class="class-depth-3"> <a href="Phaser.Particles.Arcade.Emitter.html">Emitter</a> </li> <li class="class-depth-1"> <a href="Phaser.Path.html">Path</a> </li> <li class="class-depth-1"> <a href="Phaser.PathFollower.html">PathFollower</a> </li> <li class="class-depth-1"> <a href="Phaser.PathPoint.html">PathPoint</a> </li> <li class="class-depth-1"> <a href="Phaser.Physics.html">Physics</a> </li> <li class="class-depth-2"> <a href="Phaser.Physics.Arcade.html">Arcade</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.Arcade.Body.html">Body</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.Arcade.TilemapCollision.html">TilemapCollision</a> </li> <li class="class-depth-2"> <a href="Phaser.Physics.Ninja.html">Ninja</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.Ninja.AABB.html">AABB</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.Ninja.Body.html">Body</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.Ninja.Circle.html">Circle</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.Ninja.Tile.html">Tile</a> </li> <li class="class-depth-2"> <a href="Phaser.Physics.P2.html">P2</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.Body.html">Body</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.BodyDebug.html">BodyDebug</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.CollisionGroup.html">CollisionGroup</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.ContactMaterial.html">ContactMaterial</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.DistanceConstraint.html">DistanceConstraint</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.FixtureList.html">FixtureList</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.GearConstraint.html">GearConstraint</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.InversePointProxy.html">InversePointProxy</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.LockConstraint.html">LockConstraint</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.Material.html">Material</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.PointProxy.html">PointProxy</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.PrismaticConstraint.html">PrismaticConstraint</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.RevoluteConstraint.html">RevoluteConstraint</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.RotationalSpring.html">RotationalSpring</a> </li> <li class="class-depth-3"> <a href="Phaser.Physics.P2.Spring.html">Spring</a> </li> <li class="class-depth-1"> <a href="Phaser.Plugin.html">Plugin</a> </li> <li class="class-depth-2"> <a href="Phaser.Plugin.PathManager.html">PathManager</a> </li> <li class="class-depth-1"> <a href="Phaser.PluginManager.html">PluginManager</a> </li> <li class="class-depth-1"> <a href="Phaser.Point.html">Point</a> </li> <li class="class-depth-1"> <a href="Phaser.Pointer.html">Pointer</a> </li> <li class="class-depth-1"> <a href="Phaser.PointerMode.html">PointerMode</a> </li> <li class="class-depth-1"> <a href="Phaser.Polygon.html">Polygon</a> </li> <li class="class-depth-1"> <a href="Phaser.QuadTree.html">QuadTree</a> </li> <li class="class-depth-1"> <a href="Phaser.RandomDataGenerator.html">RandomDataGenerator</a> </li> <li class="class-depth-1"> <a href="Phaser.Rectangle.html">Rectangle</a> </li> <li class="class-depth-1"> <a href="Phaser.RenderTexture.html">RenderTexture</a> </li> <li class="class-depth-1"> <a href="Phaser.RequestAnimationFrame.html">RequestAnimationFrame</a> </li> <li class="class-depth-1"> <a href="Phaser.RetroFont.html">RetroFont</a> </li> <li class="class-depth-1"> <a href="Phaser.Rope.html">Rope</a> </li> <li class="class-depth-1"> <a href="Phaser.RoundedRectangle.html">RoundedRectangle</a> </li> <li class="class-depth-1"> <a href="Phaser.ScaleManager.html">ScaleManager</a> </li> <li class="class-depth-1"> <a href="Phaser.Signal.html">Signal</a> </li> <li class="class-depth-1"> <a href="Phaser.SignalBinding_.html">SignalBinding</a> </li> <li class="class-depth-1"> <a href="Phaser.SinglePad.html">SinglePad</a> </li> <li class="class-depth-1"> <a href="Phaser.Sound.html">Sound</a> </li> <li class="class-depth-1"> <a href="Phaser.SoundManager.html">SoundManager</a> </li> <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> </li> <li class="class-depth-1"> <a href="Phaser.Stage.html">Stage</a> </li> <li class="class-depth-1"> <a href="Phaser.State.html">State</a> </li> <li class="class-depth-1"> <a href="Phaser.StateManager.html">StateManager</a> </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> <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.Weapon.html">Weapon</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.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-2"> <a href="PIXI.PIXI.DisplayObject.html">DisplayObject</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.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#ANGLE_DOWN">ANGLE_DOWN</a> </li> <li class="class-depth-0"> <a href="global.html#ANGLE_LEFT">ANGLE_LEFT</a> </li> <li class="class-depth-0"> <a href="global.html#ANGLE_NORTH_EAST">ANGLE_NORTH_EAST</a> </li> <li class="class-depth-0"> <a href="global.html#ANGLE_NORTH_WEST">ANGLE_NORTH_WEST</a> </li> <li class="class-depth-0"> <a href="global.html#ANGLE_RIGHT">ANGLE_RIGHT</a> </li> <li class="class-depth-0"> <a href="global.html#ANGLE_SOUTH_EAST">ANGLE_SOUTH_EAST</a> </li> <li class="class-depth-0"> <a href="global.html#ANGLE_SOUTH_WEST">ANGLE_SOUTH_WEST</a> </li> <li class="class-depth-0"> <a href="global.html#ANGLE_UP">ANGLE_UP</a> </li> <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#BOTTOM_CENTER">BOTTOM_CENTER</a> </li> <li class="class-depth-0"> <a href="global.html#BOTTOM_LEFT">BOTTOM_LEFT</a> </li> <li class="class-depth-0"> <a href="global.html#BOTTOM_RIGHT">BOTTOM_RIGHT</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#CENTER">CENTER</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#displayList">displayList</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#emit">emit</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#HORIZONTAL">HORIZONTAL</a> </li> <li class="class-depth-0"> <a href="global.html#IMAGE">IMAGE</a> </li> <li class="class-depth-0"> <a href="global.html#LANDSCAPE">LANDSCAPE</a> </li> <li class="class-depth-0"> <a href="global.html#LEFT">LEFT</a> </li> <li class="class-depth-0"> <a href="global.html#LEFT_BOTTOM">LEFT_BOTTOM</a> </li> <li class="class-depth-0"> <a href="global.html#LEFT_CENTER">LEFT_CENTER</a> </li> <li class="class-depth-0"> <a href="global.html#LEFT_TOP">LEFT_TOP</a> </li> <li class="class-depth-0"> <a href="global.html#LINE">LINE</a> </li> <li class="class-depth-0"> <a href="global.html#listeners">listeners</a> </li> <li class="class-depth-0"> <a href="global.html#MATRIX">MATRIX</a> </li> <li class="class-depth-0"> <a href="global.html#mixin">mixin</a> </li> <li class="class-depth-0"> <a href="global.html#NONE">NONE</a> </li> <li class="class-depth-0"> <a href="global.html#off">off</a> </li> <li class="class-depth-0"> <a href="global.html#on">on</a> </li> <li class="class-depth-0"> <a href="global.html#once">once</a> </li> <li class="class-depth-0"> <a href="global.html#PENDING_ATLAS">PENDING_ATLAS</a> </li> <li class="class-depth-2"> <a href="global.html#Phaser.Path#numPointsreturn%257Bnumber%257DThetotalnumberofPathPointsinthisPath.">Phaser.Path#numPoints return {number} The total number of PathPoints in this Path.</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#PORTRAIT">PORTRAIT</a> </li> <li class="class-depth-0"> <a href="global.html#RECTANGLE">RECTANGLE</a> </li> <li class="class-depth-0"> <a href="global.html#removeAllListeners">removeAllListeners</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#RIGHT_BOTTOM">RIGHT_BOTTOM</a> </li> <li class="class-depth-0"> <a href="global.html#RIGHT_CENTER">RIGHT_CENTER</a> </li> <li class="class-depth-0"> <a href="global.html#RIGHT_TOP">RIGHT_TOP</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#stopImmediatePropagation">stopImmediatePropagation</a> </li> <li class="class-depth-0"> <a href="global.html#stopPropagation">stopPropagation</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#TOP_CENTER">TOP_CENTER</a> </li> <li class="class-depth-0"> <a href="global.html#TOP_LEFT">TOP_LEFT</a> </li> <li class="class-depth-0"> <a href="global.html#TOP_RIGHT">TOP_RIGHT</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#VERTICAL">VERTICAL</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> <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.Ellipse.html">Ellipse</a></li> <li class="class-depth-1"><a href="Phaser.Line.html">Line</a></li> <li class="class-depth-1"><a href="Phaser.Matrix.html">Matrix</a></li> <li class="class-depth-1"><a href="Phaser.Point.html">Point</a></li> <li class="class-depth-1"><a href="Phaser.Polygon.html">Polygon</a></li> <li class="class-depth-1"><a href="Phaser.Rectangle.html">Rectangle</a></li> <li class="class-depth-1"><a href="Phaser.RoundedRectangle.html">Rounded Rectangle</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-2"><a href="Phaser.Weapon.html">Weapon</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.DeviceButton.html">Device Button</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.KeyCode.html">Key Codes</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="http://phaser.io">Phaser Web Site</a></li> <li class="class-depth-1"><a href="https://github.com/photonstorm/phaser">Phaser Github</a></li> <li class="class-depth-1"><a href="http://phaser.io/examples">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="http://phaser.io/learn">Tutorials</a></li> <li class="class-depth-1"><a href="http://phaser.io/community/newsletter">Newsletter</a></li> <li class="class-depth-1"><a href="http://phaser.io/community/twitter">Twitter</a></li> <li class="class-depth-1"><a href="http://phaser.io/community/slack">Slack</a></li> <li class="class-depth-1"><a href="http://phaser.io/community/donate">Donate</a></li> <li class="class-depth-1"><a href="https://www.codeandweb.com/texturepacker/phaser">Texture Packer</a></li> </ul> </li> </ul> </div> </div> <div class="row-fluid"> <div class="span12"> <div id="main"> <h1 class="page-title">Source: src/utils/Utils.js</h1> <section> <article> <pre class="sunlight-highlight-javascript linenums">/** * @author Richard Davey <rich@photonstorm.com> * @copyright 2016 Photon Storm Ltd. * @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License} */ /** * @class Phaser.Utils * @static */ Phaser.Utils = { /** * Takes the given string and reverses it, returning the reversed string. * For example if given the string `Atari 520ST` it would return `TS025 iratA`. * * @method Phaser.Utils.reverseString * @param {string} string - The string to be reversed. * @return {string} The reversed string. */ reverseString: function (string) { return string.split('').reverse().join(''); }, /** * Gets an objects property by string. * * @method Phaser.Utils.getProperty * @param {object} obj - The object to traverse. * @param {string} prop - The property whose value will be returned. * @return {*} the value of the property or null if property isn't found . */ getProperty: function(obj, prop) { var parts = prop.split('.'), last = parts.pop(), l = parts.length, i = 1, current = parts[0]; while (i < l && (obj = obj[current])) { current = parts[i]; i++; } if (obj) { return obj[last]; } else { return null; } }, /** * Sets an objects property by string. * * @method Phaser.Utils.setProperty * @param {object} obj - The object to traverse * @param {string} prop - The property whose value will be changed * @return {object} The object on which the property was set. */ setProperty: function(obj, prop, value) { var parts = prop.split('.'), last = parts.pop(), l = parts.length, i = 1, current = parts[0]; while (i < l && (obj = obj[current])) { current = parts[i]; i++; } if (obj) { obj[last] = value; } return obj; }, /** * Generate a random bool result based on the chance value. * * Returns true or false based on the chance value (default 50%). For example if you wanted a player to have a 30% chance * of getting a bonus, call chanceRoll(30) - true means the chance passed, false means it failed. * * @method Phaser.Utils#chanceRoll * @param {number} chance - The chance of receiving the value. A number between 0 and 100 (effectively 0% to 100%). * @return {boolean} True if the roll passed, or false otherwise. */ chanceRoll: function (chance) { if (chance === undefined) { chance = 50; } return chance > 0 && (Math.random() * 100 <= chance); }, /** * Choose between one of two values randomly. * * @method Phaser.Utils#randomChoice * @param {any} choice1 * @param {any} choice2 * @return {any} The randomly selected choice */ randomChoice: function (choice1, choice2) { return (Math.random() < 0.5) ? choice1 : choice2; }, /** * Get a unit dimension from a string. * * @method Phaser.Utils.parseDimension * @param {string|number} size - The size to parse. * @param {number} dimension - The window dimension to check. * @return {number} The parsed dimension. */ parseDimension: function (size, dimension) { var f = 0; var px = 0; if (typeof size === 'string') { // %? if (size.substr(-1) === '%') { f = parseInt(size, 10) / 100; if (dimension === 0) { px = window.innerWidth * f; } else { px = window.innerHeight * f; } } else { px = parseInt(size, 10); } } else { px = size; } return px; }, /** * Takes the given string and pads it out, to the length required, using the character * specified. For example if you need a string to be 6 characters long, you can call: * * `pad('bob', 6, '-', 2)` * * This would return: `bob---` as it has padded it out to 6 characters, using the `-` on the right. * * You can also use it to pad numbers (they are always returned as strings): * * `pad(512, 6, '0', 1)` * * Would return: `000512` with the string padded to the left. * * If you don't specify a direction it'll pad to both sides: * * `pad('c64', 7, '*')` * * Would return: `**c64**` * * @method Phaser.Utils.pad * @param {string} str - The target string. `toString()` will be called on the string, which means you can also pass in common data types like numbers. * @param {integer} [len=0] - The number of characters to be added. * @param {string} [pad=" "] - The string to pad it out with (defaults to a space). * @param {integer} [dir=3] - The direction dir = 1 (left), 2 (right), 3 (both). * @return {string} The padded string. */ pad: function (str, len, pad, dir) { if (len === undefined) { var len = 0; } if (pad === undefined) { var pad = ' '; } if (dir === undefined) { var dir = 3; } str = str.toString(); var padlen = 0; if (len + 1 >= str.length) { switch (dir) { case 1: str = new Array(len + 1 - str.length).join(pad) + str; break; case 3: var right = Math.ceil((padlen = len - str.length) / 2); var left = padlen - right; str = new Array(left+1).join(pad) + str + new Array(right+1).join(pad); break; default: str = str + new Array(len + 1 - str.length).join(pad); break; } } return str; }, /** * This is a slightly modified version of jQuery.isPlainObject. * A plain object is an object whose internal class property is [object Object]. * @method Phaser.Utils.isPlainObject * @param {object} obj - The object to inspect. * @return {boolean} - true if the object is plain, otherwise false. */ isPlainObject: function (obj) { // Not plain objects: // - Any object or value whose internal [[Class]] property is not "[object Object]" // - DOM nodes // - window if (typeof(obj) !== "object" || obj.nodeType || obj === obj.window) { return false; } // Support: Firefox <20 // The try/catch suppresses exceptions thrown when attempting to access // the "constructor" property of certain host objects, ie. |window.location| // https://bugzilla.mozilla.org/show_bug.cgi?id=814622 try { if (obj.constructor && !({}).hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf")) { return false; } } catch (e) { return false; } // If the function hasn't returned already, we're confident that // |obj| is a plain object, created by {} or constructed with new Object return true; }, /** * This is a slightly modified version of http://api.jquery.com/jQuery.extend/ * * @method Phaser.Utils.extend * @param {boolean} deep - Perform a deep copy? * @param {object} target - The target object to copy to. * @return {object} The extended object. */ extend: function () { var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false; // Handle a deep copy situation if (typeof target === "boolean") { deep = target; target = arguments[1] || {}; // skip the boolean and the target i = 2; } // extend Phaser if only one argument is passed if (length === i) { target = this; --i; } for (; i < length; i++) { // Only deal with non-null/undefined values if ((options = arguments[i]) != null) { // Extend the base object for (name in options) { src = target[name]; copy = options[name]; // Prevent never-ending loop if (target === copy) { continue; } // Recurse if we're merging plain objects or arrays if (deep && copy && (Phaser.Utils.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) { if (copyIsArray) { copyIsArray = false; clone = src && Array.isArray(src) ? src : []; } else { clone = src && Phaser.Utils.isPlainObject(src) ? src : {}; } // Never move original objects, clone them target[name] = Phaser.Utils.extend(deep, clone, copy); // Don't bring in undefined values } else if (copy !== undefined) { target[name] = copy; } } } } // Return the modified object return target;