@azerion/phaser
Version:
A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.
1,626 lines (1,242 loc) • 52.1 kB
HTML
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<title>Phaser Source: src/input/Key.js</title>
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<ul class="dropdown-menu ">
<li class="class-depth-0">
<a href="Phaser.html">Phaser</a>
</li>
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<a href="PIXI.html">PIXI</a>
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<li class="class-depth-0">
<a href="Event.html">Event</a>
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<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>
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<li class="class-depth-1">
<a href="Phaser.AnimationParser.html">AnimationParser</a>
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<li class="class-depth-1">
<a href="Phaser.ArraySet.html">ArraySet</a>
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<a href="Phaser.ArrayUtils.html">ArrayUtils</a>
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<a href="Phaser.AudioSprite.html">AudioSprite</a>
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<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">
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return {number} The total number of PathPoints in this Path.</a>
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<h1 class="page-title">Source: src/input/Key.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}
*/
/**
* If you need more fine-grained control over the handling of specific keys you can create and use Phaser.Key objects.
*
* @class Phaser.Key
* @constructor
* @param {Phaser.Game} game - Current game instance.
* @param {integer} keycode - The key code this Key is responsible for. See {@link Phaser.KeyCode}.
*/
Phaser.Key = function (game, keycode) {
/**
* @property {Phaser.Game} game - A reference to the currently running game.
*/
this.game = game;
/**
* The enabled state of the key - see `enabled`.
* @property {boolean} _enabled
* @private
*/
this._enabled = true;
/**
* @property {object} event - Stores the most recent DOM event.
* @readonly
*/
this.event = null;
/**
* @property {boolean} isDown - The "down" state of the key. This will remain `true` for as long as the keyboard thinks this key is held down.
* @default
*/
this.isDown = false;
/**
* @property {boolean} isUp - The "up" state of the key. This will remain `true` for as long as the keyboard thinks this key is up.
* @default
*/
this.isUp = true;
/**
* @property {boolean} altKey - The down state of the ALT key, if pressed at the same time as this key.
* @default
*/
this.altKey = false;
/**
* @property {boolean} ctrlKey - The down state of the CTRL key, if pressed at the same time as this key.
* @default
*/
this.ctrlKey = false;
/**
* @property {boolean} shiftKey - The down state of the SHIFT key, if pressed at the same time as this key.
* @default
*/
this.shiftKey = false;
/**
* @property {number} timeDown - The timestamp when the key was last pressed down. This is based on Game.time.now.
*/
this.timeDown = 0;
/**
* If the key is down this value holds the duration of that key press and is constantly updated.
* If the key is up it holds the duration of the previous down session.
* @property {number} duration - The number of milliseconds this key has been held down for.
* @default
*/
this.duration = 0;
/**
* @property {number} timeUp - The timestamp when the key was last released. This is based on Game.time.now.
* @default
*/
this.timeUp = -2500;
/**
* @property {number} repeats - If a key is held down this holds down the number of times the key has 'repeated'.
* @default
*/
this.repeats = 0;
/**
* @property {number} keyCode - The keycode of this key.
*/
this.keyCode = keycode;
/**
* @property {Phaser.Signal} onDown - This Signal is dispatched every time this Key is pressed down. It is only dispatched once (until the key is released again).
*/
this.onDown = new Phaser.Signal();
/**
* @property {function} onHoldCallback - A callback that is called while this Key is held down. Warning: Depending on refresh rate that could be 60+ times per second.
*/
this.onHoldCallback = null;
/**
* @property {object} onHoldContext - The context under which the onHoldCallback will be called.
*/
this.onHoldContext = null;
/**
* @property {Phaser.Signal} onUp - This Signal is dispatched every time this Key is released. It is only dispatched once (until the key is pressed and released again).
*/
this.onUp = new Phaser.Signal();
/**
* @property {boolean} _justDown - True if the key has just been pressed (NOTE: requires to be reset, see justDown getter)
* @private
*/
this._justDown = false;
/**
* @property {boolean} _justUp - True if the key has just been pressed (NOTE: requires to be reset, see justDown getter)
* @private
*/
this._justUp = false;
};
Phaser.Key.prototype = {
/**
* Called automatically by Phaser.Keyboard.
*
* @method Phaser.Key#update
* @protected
*/
update: function () {
if (!this._enabled) { return; }
if (this.isDown)
{
this.duration = this.game.time.time - this.timeDown;
this.repeats++;
if (this.onHoldCallback)
{
this.onHoldCallback.call(this.onHoldContext, this);
}
}
},
/**
* Called automatically by Phaser.Keyboard.
*
* @method Phaser.Key#processKeyDown
* @param {KeyboardEvent} event - The DOM event that triggered this.
* @protected
*/
processKeyDown: function (event) {
if (!this._enabled) { return; }
this.event = event;
// exit if this key down is from auto-repeat
if (this.isDown)
{
return;
}
this.altKey = event.altKey;
this.ctrlKey = event.ctrlKey;
this.shiftKey = event.shiftKey;
this.isDown = true;
this.isUp = false;
this.timeDown = this.game.time.time;
this.duration = 0;
this.repeats = 0;
// _justDown will remain true until it is read via the justDown Getter
// this enables the game to poll for past presses, or reset it at the start of a new game state
this._justDown = true;
this.onDown.dispatch(this);
},
/**
* Called automatically by Phaser.Keyboard.
*
* @method Phaser.Key#processKeyUp
* @param {KeyboardEvent} event - The DOM event that triggered this.
* @protected
*/
processKeyUp: function (event) {
if (!this._enabled) { return; }
this.event = event;
if (this.isUp)
{
return;
}
this.isDown = false;
this.isUp = true;
this.timeUp = this.game.time.time;
this.duration = this.game.time.time - this.timeDown;
// _justUp will remain true until it is read via the justUp Getter
// this enables the game to poll for past presses, or reset it at the start of a new game state
this._justUp = true;
this.onUp.dispatch(this);
},
/**
* Resets the state of this Key.
*
* This sets isDown to false, isUp to true, resets the time to be the current time, and _enables_ the key.
* In addition, if it is a "hard reset", it clears clears any callbacks associated with the onDown and onUp events and removes the onHoldCallback.
*
* @method Phaser.Key#reset
* @param {boolean} [hard=true] - A soft reset won't reset any events or callbacks; a hard reset will.
*/
reset: function (hard) {
if (hard === undefined) { hard = true; }
this.isDown = false;
this.isUp = true;
this.timeUp = this.game.time.time;
this.duration = 0;
this._enabled = true; // .enabled causes reset(false)
this._justDown = false;
this._justUp = false;
if (hard)
{
this.onDown.removeAll();
this.onUp.removeAll();
this.onHoldCallback = null;
this.onHoldContext = null;
}
},
/**
* Returns `true` if the Key was pressed down within the `duration` value given, or `false` if it either isn't down,
* or was pressed down longer ago than then given duration.
*
* @method Phaser.Key#downDuration
* @param {number} [duration=50] - The duration within which the key is considered as being just pressed. Given in ms.
* @return {boolean} True if the key was pressed down within the given duration.
*/
downDuration: function (duration) {
if (duration === undefined) { duration = 50; }
return (this.isDown && this.duration < duration);
},
/**
* Returns `true` if the Key was pressed down within the `duration` value given, or `false` if it either isn't down,
* or was pressed down longer ago than then given duration.
*
* @method Phaser.Key#upDuration
* @param {number} [duration=50] - The duration within which the key is considered as being just released. Given in ms.
* @return {boolean} True if the key was released within the given duration.
*/
upDuration: function (duration) {
if (duration === undefined) { duration = 50; }
return (!this.isDown && ((this.game.time.time - this.timeUp) < duration));
}
};
/**
* The justDown value allows you to test if this Key has just been pressed down or not.
* When you check this value it will return `true` if the Key is down, otherwise `false`.
* You can only call justDown once per key press. It will only return `true` once, until the Key is released and pressed down again.
* This allows you to use it in situations where you want to check if this key is down without using a Signal, such as in a core game loop.
*
* @property {boolean} justDown
* @memberof Phaser.Key
* @default false
*/
Object.defineProperty(Phaser.Key.prototype, "justDown", {
get: function () {
var current = this._justDown;
this._justDown = false;
return current;
}
});
/**
* The justUp value allows you to test if this Key has just been released or not.
* When you check this value it will return `true` if the Key is up, otherwise `false`.
* You can only call justUp once per key release. It will only return `true` once, until the Key is pressed down and released again.
* This allows you to use it in situations where you want to check if this key is up without using a Signal, such as in a core game loop.
*
* @property {boolean} justUp
* @memberof Phaser.Key
* @default false
*/
Object.defineProperty(Phaser.Key.prototype, "justUp", {
get: function () {
var current = this._justUp;
this._justUp = false;
return current;
}
});
/**
* An enabled key processes its update and dispatches events.
* A key can be disabled momentarily at runtime instead of deleting it.
*
* @property {boolean} enabled
* @memberof Phaser.Key
* @default true