phaser-multires
Version:
A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.
1,617 lines (1,269 loc) • 79.5 kB
HTML
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<title>Phaser Source: src/plugins/weapon/WeaponPlugin.js</title>
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<a href="Phaser.html">Phaser</a>
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<a href="Phaser.KeyCode.html">KeyCode</a>
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<a href="Phaser.Animation.html">Animation</a>
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<a href="Phaser.AnimationManager.html">AnimationManager</a>
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<a href="Phaser.AnimationParser.html">AnimationParser</a>
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<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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<a href="Phaser.BitmapData.html">BitmapData</a>
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<a href="Phaser.BitmapText.html">BitmapText</a>
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<a href="Phaser.Bullet.html">Bullet</a>
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<a href="Phaser.Button.html">Button</a>
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<a href="Phaser.Cache.html">Cache</a>
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<a href="Phaser.Camera.html">Camera</a>
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<a href="Phaser.Canvas.html">Canvas</a>
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<a href="Phaser.Circle.html">Circle</a>
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<a href="Phaser.Color.html">Color</a>
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<a href="Phaser.Component.Angle.html">Angle</a>
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<a href="Phaser.Component.Animation.html">Animation</a>
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<a href="Phaser.Component.AutoCull.html">AutoCull</a>
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<a href="Phaser.Component.Bounds.html">Bounds</a>
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<li class="class-depth-2">
<a href="Phaser.Component.BringToTop.html">BringToTop</a>
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<a href="Phaser.Component.Core.html">Core</a>
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<a href="Phaser.Component.Crop.html">Crop</a>
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<a href="Phaser.Component.Delta.html">Delta</a>
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<a href="Phaser.Component.Destroy.html">Destroy</a>
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<a href="Phaser.Component.FixedToCamera.html">FixedToCamera</a>
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<a href="Phaser.Component.Health.html">Health</a>
</li>
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<a href="Phaser.Component.InCamera.html">InCamera</a>
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<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.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.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.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-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.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#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>
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<div id="main">
<h1 class="page-title">Source: src/plugins/weapon/WeaponPlugin.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}
*/
/**
* The Weapon Plugin provides the ability to easily create a bullet pool and manager.
*
* Weapons fire Phaser.Bullet objects, which are essentially Sprites with a few extra properties.
* The Bullets are enabled for Arcade Physics. They do not currently work with P2 Physics.
*
* The Bullets are created inside of `Weapon.bullets`, which is a Phaser.Group instance. Anything you
* can usually do with a Group, such as move it around the display list, iterate it, etc can be done
* to the bullets Group too.
*
* Bullets can have textures and even animations. You can control the speed at which they are fired,
* the firing rate, the firing angle, and even set things like gravity for them.
*
* A small example, assumed to be running from within a Phaser.State create method.
*
* `var weapon = this.add.weapon(10, 'bullet');`
* `weapon.fireFrom.set(300, 300);`
* `this.input.onDown.add(weapon.fire, this);`
*
* @class Phaser.Weapon
* @constructor
* @param {Phaser.Game} game - A reference to the current Phaser.Game instance.
* @param {Phaser.PluginManager} parent - The Phaser Plugin Manager which looks after this plugin.
*/
Phaser.Weapon = function (game, parent) {
Phaser.Plugin.call(this, game, parent);
/**
* This is the Phaser.Group that contains all of the bullets managed by this plugin.
* @type {Phaser.Group}
*/
this.bullets = null;
/**
* Should the bullet pool run out of bullets (i.e. they are all in flight) then this
* boolean controls if the Group will create a brand new bullet object or not.
* @type {boolean}
*/
this.autoExpandBulletsGroup = false;
/**
* Will this weapon auto fire? If set to true then a new bullet will be fired
* based on the `fireRate` value.
* @type {boolean}
*/
this.autofire = false;
/**
* The total number of bullets this Weapon has fired so far.
* You can limit the number of shots allowed (via `fireLimit`), and reset
* this total via `Weapon.resetShots`.
* @type {number}
*/
this.shots = 0;
/**
* The maximum number of shots that this Weapon is allowed to fire before it stops.
* When the limit is his the `Weapon.onFireLimit` Signal is dispatched.
* You can reset the shot counter via `Weapon.resetShots`.
* @type {number}
*/
this.fireLimit = 0;
/**
* The rate at which this Weapon can fire. The value is given in milliseconds.
* @type {number}
*/
this.fireRate = 100;
/**
* This is a modifier that is added to the `fireRate` each update to add variety
* to the firing rate of the Weapon. The value is given in milliseconds.
* If you've a `fireRate` of 200 and a `fireRateVariance` of 50 then the actual
* firing rate of the Weapon will be between 150 and 250.
* @type {number}
*/
this.fireRateVariance = 0;
/**
* This is a Rectangle from within which the bullets are fired. By default it's a 1x1
* rectangle, the equivalent of a Point. But you can change the width and height, and if
* larger than 1x1 it'll pick a random point within the rectangle to launch the bullet from.
* @type {Phaser.Rectangle}
*/
this.fireFrom = new Phaser.Rectangle(0, 0, 1, 1);
/**
* The angle at which the bullets are fired. This can be a const such as Phaser.ANGLE_UP
* or it can be any number from 0 to 360 inclusive, where 0 degrees is to the right.
* @type {integer}
*/
this.fireAngle = Phaser.ANGLE_UP;
/**
* When a Bullet is fired it can optionally inherit the velocity of the `trackedSprite` if set.
* @type {boolean}
*/
this.bulletInheritSpriteSpeed = false;
/**
* The string based name of the animation that the Bullet will be given on launch.
* This is set via `Weapon.addBulletAnimation`.
* @type {string}
*/
this.bulletAnimation = '';
/**
* If you've added a set of frames via `Weapon.setBulletFrames` then you can optionally
* chose for each Bullet fired to pick a random frame from the set.
* @type {boolean}
*/
this.bulletFrameRandom = false;
/**
* If you've added a set of frames via `Weapon.setBulletFrames` then you can optionally
* chose for each Bullet fired to use the next frame in the set. The frame index is then
* advanced one frame until it reaches the end of the set, then it starts from the start
* again. Cycling frames like this allows you to create varied bullet effects via
* sprite sheets.
* @type {boolean}
*/
this.bulletFrameCycle = false;
/**
* Should the Bullets wrap around the world bounds? This automatically calls
* `World.wrap` on the Bullet each frame. See the docs for that method for details.
* @type {boolean}
*/
this.bulletWorldWrap = false;
/**
* If `bulletWorldWrap` is true then you can provide an optional padding value with this
* property. It's added to the calculations determining when the Bullet should wrap around
* the world or not. The value is given in pixels.
* @type {integer}
*/
this.bulletWorldWrapPadding = 0;
/**
* An optional angle offset applied to the Bullets when they are launched.
* This is useful if for example your bullet sprites have been drawn facing up, instead of
* to the right, and you want to fire them at an angle. In which case you can set the
* angle offset to be 90 and they'll be properly rotated when fired.
* @type {number}
*/
this.bulletAngleOffset = 0;
/**
* This is a variance added to the angle of Bullets when they are fired.
* If you fire from an angle of 90 and have a `bulletAngleVariance` of 20 then the actual
* angle of the Bullets will be between 70 and 110 degrees. This is a quick way to add a
* great 'spread' effect to a Weapon.
* @type {number}
*/
this.bulletAngleVariance = 0;
/**
* The speed at which the bullets are fired. This value is given in pixels per second, and
* is used to set the starting velocity of the bullets.
* @type {number}
*/
this.bulletSpeed = 200;
/**
* This is a variance added to the speed of Bullets when they are fired.
* If bullets have a `bulletSpeed` value of 200, and a `bulletSpeedVariance` of 50
* then the actual speed of the Bullets will be between 150 and 250 pixels per second.
* @type {number}
*/
this.bulletSpeedVariance = 0;
/**
* If you've set `bulletKillType` to `Phaser.Weapon.KILL_LIFESPAN` this controls the amount
* of lifespan the Bullets have set on launch. The value is given in milliseconds.
* When a Bullet hits its lifespan limit it will be automatically killed.
* @type {number}
*/
this.bulletLifespan = 0;
/**
* If you've set `bulletKillType` to `Phaser.Weapon.KILL_DISTANCE` this controls the distance
* the Bullet can travel before it is automatically killed. The distance is given in pixels.
* @type {number}
*/
this.bulletKillDistance = 0;
/**
* This is the amount of gravity added to the Bullets physics body when fired.
* Gravity is expressed in pixels / second / second.
* @type {Phaser.Point}
*/
this.bulletGravity = new Phaser.Point(0, 0);
/**
* Bullets can optionally adjust their rotation in-flight to match their velocity.
* This can create the effect of a bullet 'pointing' to the path it is following, for example
* an arrow being fired from a bow, and works especially well when added to `bulletGravity`.
* @type {boolean}
*/
this.bulletRotateToVelocity = false;
/**
* The Texture Key that the Bullets use when rendering.
* Changing this has no effect on bullets in-flight, only on newly spawned bullets.
* @type {string}
*/
this.bulletKey = '';
/**
* The Texture Frame that the Bullets use when rendering.
* Changing this has no effect on bullets in-flight, only on newly spawned bullets.
* @type {string|integer}
*/
this.bulletFrame = '';
/**
* Private var that holds the public `bulletClass` property.
* @type {object}
* @private
*/
this._bulletClass = Phaser.Bullet;
/**
* Private var that holds the public `bulletCollideWorldBounds` property.
* @type {boolean}
* @private
*/
this._bulletCollideWorldBounds = false;
/**
* Private var that holds the public `bulletKillType` property.
* @type {integer}
* @private
*/
this._bulletKillType = Phaser.Weapon.KILL_WORLD_BOUNDS;
/**
* Holds internal data about custom bullet body sizes.
*
* @type {Object}
* @private
*/
this._data = {
customBody: false,
width: 0,
height: 0,
offsetX: 0,
offsetY: 0
};
/**
* This Rectangle defines the bounds that are used when determining if a Bullet should be killed or not.
* It's used in combination with `Weapon.bulletKillType` when that is set to either `Phaser.Weapon.KILL_WEAPON_BOUNDS`
* or `Phaser.Weapon.KILL_STATIC_BOUNDS`. If you are not using either of these kill types then the bounds are ignored.
* If you are tracking a Sprite or Point then the bounds are centered on that object every frame.
*
* @type {Phaser.Rectangle}
*/
this.bounds = new Phaser.Rectangle();
/**
* The Rectangle used to calculate the bullet bounds from.
*
* @type {Phaser.Rectangle}
* @private
*/
this.bulletBounds = game.world.bounds;
/**
* This array stores the frames added via `Weapon.setBulletFrames`.
*
* @type {Array}
* @protected
*/
this.bulletFrames = [];
/**
* The index of the frame within `Weapon.bulletFrames` that is currently being used.
* This value is only used if `Weapon.bulletFrameCycle` is set to `true`.
* @type {number}
* @private
*/
this.bulletFrameIndex = 0;
/**
* An internal object that stores the animation data added via `Weapon.addBulletAnimation`.
* @type {Object}
* @private
*/
this.anims = {};
/**
* The onFire Signal is dispatched each time `Weapon.fire` is called, and a Bullet is
* _successfully_ launched. The callback is set two arguments: a reference to the Weapon that fired the bullet,
* and a reference to the bullet sprite itself.
*
* @type {Phaser.Signal}
*/
this.onFire = new Phaser.Signal();
/**
* The onKill Signal is dispatched each time a Bullet that is in-flight is killed. This can be the result
* of leaving the Weapon bounds, an expiring lifespan, or exceeding a specified distance.
* The callback is sent one argument: A reference to the bullet sprite itself.
*
* @type {Phaser.Signal}
*/
this.onKill = new Phaser.Signal();
/**
* The onFireLimit Signal is dispatched if `Weapon.fireLimit` is > 0, and a bullet launch takes the number
* of shots fired to equal the fire limit.
* The callback is sent two arguments: A reference to the Weapon that hit the limit, and the value of
* `Weapon.fireLimit`.
*
* @type {Phaser.Signal}
*/
this.onFireLimit = new Phaser.Signal();
/**
* The Sprite currently being tracked by the Weapon, if any.
* This is set via the `Weapon.trackSprite` method.
*
* @type {Phaser.Sprite|Object}
*/
this.trackedSprite = null;
/**
* The Pointer currently being tracked by the Weapon, if any.
* This is set via the `Weapon.trackPointer` method.
*
* @type {Phaser.Pointer}
*/
this.trackedPointer = null;
/**
* If the Weapon is tracking a Sprite, should it also track the Sprites rotation?
* This is useful for a game such as Asteroids, where you want the weapon to fire based
* on the sprites rotation.
*
* @type {boolean}
*/
this.trackRotation = false;
/**
* The Track Offset is a Point object that allows you to specify a pixel offset that bullets use
* when launching from a tracked Sprite or Pointer. For example if you've got a bullet that is 2x2 pixels
* in size, but you're tracking a Sprite that is 32x32, then you can set `trackOffset.x = 16` to have
* the bullet launched from the center of the Sprite.
*
* @type {Phaser.Point}
*/
this.trackOffset = new Phaser.Point();
/**
* Internal firing rate time tracking variable.
*
* @type {number}
* @private
*/
this._nextFire = 0;
};
Phaser.Weapon.prototype = Object.create(Phaser.Plugin.prototype);
Phaser.Weapon.prototype.constructor = Phaser.Weapon;
/**
* A `bulletKillType` constant that stops the bullets from ever being destroyed automatically.
* @constant
* @type {integer}
*/
Phaser.Weapon.KILL_NEVER = 0;
/**
* A `bulletKillType` constant that automatically kills the bullets when their `bulletLifespan` expires.
* @constant
* @type {integer}
*/
Phaser.Weapon.KILL_LIFESPAN = 1;
/**
* A `bulletKillType` constant that automatically kills the bullets after they
* exceed the