new Particle(game, x, y, key, frame)
Parameters:
Name | Type | Description |
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game |
Phaser.Game | A reference to the currently running game. |
x |
number | The x coordinate (in world space) to position the Particle at. |
y |
number | The y coordinate (in world space) to position the Particle at. |
key |
string | Phaser.RenderTexture | Phaser.BitmapData | PIXI.Texture | This is the image or texture used by the Particle during rendering. It can be a string which is a reference to the Cache entry, or an instance of a RenderTexture or PIXI.Texture. |
frame |
string | number | If this Particle is using part of a sprite sheet or texture atlas you can specify the exact frame to use by giving a string or numeric index. |
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Extends
Members
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<protected> alphaData
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Properties:
Name Type Description alphaData
array A reference to the alphaData array owned by the Emitter that emitted this Particle.
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angle
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Indicates the rotation of the Sprite, in degrees, from its original orientation. Values from 0 to 180 represent clockwise rotation; values from 0 to -180 represent counterclockwise rotation. Values outside this range are added to or subtracted from 360 to obtain a value within the range. For example, the statement player.angle = 450 is the same as player.angle = 90. If you wish to work in radians instead of degrees use the property Sprite.rotation instead. Working in radians is also a little faster as it doesn't have to convert the angle.
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Properties:
Name Type Description angle
number The angle of this Sprite in degrees.
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animations
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Properties:
Name Type Description animations
Phaser.AnimationManager This manages animations of the sprite. You can modify animations through it (see Phaser.AnimationManager)
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<protected> autoAlpha
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Properties:
Name Type Description autoAlpha
boolean If this Particle automatically changes alpha this is set to true by Particle.setAlphaData.
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autoCull
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Should this Sprite be automatically culled if out of range of the camera? A culled sprite has its renderable property set to 'false'. Be advised this is quite an expensive operation, as it has to calculate the bounds of the object every frame, so only enable it if you really need it.
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- Default Value:
- false
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Properties:
Name Type Description autoCull
boolean A flag indicating if the Sprite should be automatically camera culled or not.
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<protected> autoScale
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Properties:
Name Type Description autoScale
boolean If this Particle automatically scales this is set to true by Particle.setScaleData.
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body
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By default Sprites won't add themselves to any physics system and their physics body will be
null
. To enable them for physics you need to callgame.physics.enable(sprite, system)
wheresprite
is this object andsystem
is the Physics system you want to use to manage this body. Once enabled you can access all physics related properties viaSprite.body
.Important: Enabling a Sprite for P2 or Ninja physics will automatically set
Sprite.anchor
to 0.5 so the physics body is centered on the Sprite. If you need a different result then adjust or re-create the Body shape offsets manually, and/or reset the anchor after enabling physics.- Inherited From:
- Default Value:
- null
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Properties:
Name Type Description body
Phaser.Physics.Arcade.Body | Phaser.Physics.P2.Body | Phaser.Physics.Ninja.Body | null -
cameraOffset
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Properties:
Name Type Description cameraOffset
Phaser.Point If this object is fixedToCamera then this stores the x/y offset that its drawn at, from the top-left of the camera view.
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checkWorldBounds
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If true the Sprite checks if it is still within the world each frame, when it leaves the world it dispatches Sprite.events.onOutOfBounds and optionally kills the sprite (if Sprite.outOfBoundsKill is true). By default this is disabled because the Sprite has to calculate its bounds every frame to support it, and not all games need it. Enable it by setting the value to true.
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- Default Value:
- false
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Properties:
Name Type Description checkWorldBounds
boolean -
debug
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- Default Value:
- false
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Properties:
Name Type Description debug
boolean Handy flag to use with Game.enableStep
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<readonly> deltaX
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Returns the delta x value. The difference between world.x now and in the previous step.
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Properties:
Name Type Description deltaX
number The delta value. Positive if the motion was to the right, negative if to the left.
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<readonly> deltaY
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Returns the delta y value. The difference between world.y now and in the previous step.
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Properties:
Name Type Description deltaY
number The delta value. Positive if the motion was downwards, negative if upwards.
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<readonly> deltaZ
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Returns the delta z value. The difference between rotation now and in the previous step.
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Properties:
Name Type Description deltaZ
number The delta value.
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destroyPhase
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Properties:
Name Type Description destroyPhase
boolean True if this object is currently being destroyed.
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events
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Properties:
Name Type Description events
Phaser.Events The Events you can subscribe to that are dispatched when certain things happen on this Sprite or its components.
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exists
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Sprite.exists controls if the core game loop and physics update this Sprite or not. When you set Sprite.exists to false it will remove its Body from the physics world (if it has one) and also set Sprite.visible to false. Setting Sprite.exists to true will re-add the Body to the physics world (if it has a body) and set Sprite.visible to true.
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Properties:
Name Type Description exists
boolean If the Sprite is processed by the core game update and physics.
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fixedToCamera
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An Sprite that is fixed to the camera uses its x/y coordinates as offsets from the top left of the camera. These are stored in Sprite.cameraOffset. Note that the cameraOffset values are in addition to any parent in the display list. So if this Sprite was in a Group that has x: 200, then this will be added to the cameraOffset.x
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Properties:
Name Type Description fixedToCamera
boolean Set to true to fix this Sprite to the Camera at its current world coordinates.
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frame
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Properties:
Name Type Description frame
number Gets or sets the current frame index and updates the Texture Cache for display.
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frameName
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Properties:
Name Type Description frameName
string Gets or sets the current frame name and updates the Texture Cache for display.
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game
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Properties:
Name Type Description game
Phaser.Game A reference to the currently running Game.
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health
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Properties:
Name Type Description health
number Health value. Used in combination with damage() to allow for quick killing of Sprites.
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<readonly> inCamera
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Checks if the Sprite bounds are within the game camera, otherwise false if fully outside of it.
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Properties:
Name Type Description inCamera
boolean True if the Sprite bounds is within the game camera, even if only partially. Otherwise false if fully outside of it.
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input
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Properties:
Name Type Description input
Phaser.InputHandler | null The Input Handler for this object. Needs to be enabled with image.inputEnabled = true before you can use it.
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inputEnabled
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By default a Sprite won't process any input events at all. By setting inputEnabled to true the Phaser.InputHandler is activated for this object and it will then start to process click/touch events and more.
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Properties:
Name Type Description inputEnabled
boolean Set to true to allow this object to receive input events.
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<readonly> inWorld
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Checks if the Sprite bounds are within the game world, otherwise false if fully outside of it.
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Properties:
Name Type Description inWorld
boolean True if the Sprite bounds is within the game world, even if only partially. Otherwise false if fully outside of it.
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key
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Properties:
Name Type Description key
string | Phaser.RenderTexture | Phaser.BitmapData | PIXI.Texture This is the image or texture used by the Sprite during rendering. It can be a string which is a reference to the Cache entry, or an instance of a RenderTexture, BitmapData or PIXI.Texture.
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lifespan
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If you would like the Sprite to have a lifespan once 'born' you can set this to a positive value. Handy for particles, bullets, etc. The lifespan is decremented by game.time.elapsed each update, once it reaches zero the kill() function is called.
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- Default Value:
- 0
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Properties:
Name Type Description lifespan
number The lifespan of the Sprite (in ms) before it will be killed.
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name
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Properties:
Name Type Description name
string The user defined name given to this Sprite.
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outOfBoundsKill
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- Default Value:
- false
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Properties:
Name Type Description outOfBoundsKill
boolean If true Sprite.kill is called as soon as Sprite.inWorld returns false, as long as Sprite.checkWorldBounds is true.
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<readonly> renderOrderID
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Properties:
Name Type Description renderOrderID
number The render order ID, reset every frame.
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<protected> scaleData
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Properties:
Name Type Description scaleData
array A reference to the scaleData array owned by the Emitter that emitted this Particle.
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smoothed
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Enable or disable texture smoothing for this Sprite. Only works for bitmap/image textures. Smoothing is enabled by default.
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Properties:
Name Type Description smoothed
boolean Set to true to smooth the texture of this Sprite, or false to disable smoothing (great for pixel art)
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<readonly> type
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Properties:
Name Type Description type
number The const type of this object.
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world
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Properties:
Name Type Description world
Phaser.Point The world coordinates of this Sprite. This differs from the x/y coordinates which are relative to the Sprites container.
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x
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The position of the Sprite on the x axis relative to the local coordinates of the parent.
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Properties:
Name Type Description x
number The position of the Sprite on the x axis relative to the local coordinates of the parent.
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y
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The position of the Sprite on the y axis relative to the local coordinates of the parent.
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Properties:
Name Type Description y
number The position of the Sprite on the y axis relative to the local coordinates of the parent.
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z
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Properties:
Name Type Description z
number The z-depth value of this object within its Group (remember the World is a Group as well). No two objects in a Group can have the same z value.
Methods
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bringToTop()
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Brings the Sprite to the top of the display list it is a child of. Sprites that are members of a Phaser.Group are only bought to the top of that Group, not the entire display list.
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Returns:
(Phaser.Sprite) This instance.
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crop(rect)
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Crop allows you to crop the texture used to display this Sprite. Cropping takes place from the top-left of the Sprite and can be modified in real-time by providing an updated rectangle object. Note that cropping a Sprite will reset its animation to the first frame. You cannot currently crop an animated Sprite.
Parameters:
Name Type Description rect
Phaser.Rectangle The Rectangle to crop the Sprite to. Pass null or no parameters to clear a previously set crop rectangle.
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damage(amount)
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Damages the Sprite, this removes the given amount from the Sprites health property. If health is then taken below or is equal to zero
Sprite.kill
is called.Parameters:
Name Type Description amount
number The amount to subtract from the Sprite.health value.
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Returns:
(Phaser.Sprite) This instance.
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destroy(destroyChildren)
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Destroys the Sprite. This removes it from its parent group, destroys the input, event and animation handlers if present and nulls its reference to game, freeing it up for garbage collection.
Parameters:
Name Type Argument Default Description destroyChildren
boolean <optional>
true Should every child of this object have its destroy method called?
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kill()
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Kills a Sprite. A killed Sprite has its alive, exists and visible properties all set to false. It will dispatch the onKilled event, you can listen to Sprite.events.onKilled for the signal. Note that killing a Sprite is a way for you to quickly recycle it in a Sprite pool, it doesn't free it up from memory. If you don't need this Sprite any more you should call Sprite.destroy instead.
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Returns:
(Phaser.Sprite) This instance.
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loadTexture(key, frame)
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Changes the Texture the Sprite is using entirely. The old texture is removed and the new one is referenced or fetched from the Cache. This causes a WebGL texture update, so use sparingly or in low-intensity portions of your game.
Parameters:
Name Type Description key
string | Phaser.RenderTexture | Phaser.BitmapData | PIXI.Texture This is the image or texture used by the Sprite during rendering. It can be a string which is a reference to the Cache entry, or an instance of a RenderTexture, BitmapData or PIXI.Texture.
frame
string | number If this Sprite is using part of a sprite sheet or texture atlas you can specify the exact frame to use by giving a string or numeric index.
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onEmit()
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Called by the Emitter when this particle is emitted. Left empty for you to over-ride as required.
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overlap(displayObject) → {boolean}
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Checks to see if the bounds of this Sprite overlaps with the bounds of the given Display Object, which can be a Sprite, Image, TileSprite or anything that extends those such as a Button. This check ignores the Sprites hitArea property and runs a Sprite.getBounds comparison on both objects to determine the result. Therefore it's relatively expensive to use in large quantities (i.e. with lots of Sprites at a high frequency), but should be fine for low-volume testing where physics isn't required.
Parameters:
Name Type Description displayObject
Phaser.Sprite | Phaser.Image | Phaser.TileSprite | Phaser.Button | PIXI.DisplayObject The display object to check against.
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Returns:
True if the bounds of this Sprite intersects at any point with the bounds of the given display object.
- Type
- boolean
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play(name, frameRate, loop, killOnComplete) → {Phaser.Animation}
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Play an animation based on the given key. The animation should previously have been added via sprite.animations.add() If the requested animation is already playing this request will be ignored. If you need to reset an already running animation do so directly on the Animation object itself.
Parameters:
Name Type Argument Default Description name
string The name of the animation to be played, e.g. "fire", "walk", "jump".
frameRate
number <optional>
null The framerate to play the animation at. The speed is given in frames per second. If not provided the previously set frameRate of the Animation is used.
loop
boolean <optional>
false Should the animation be looped after playback. If not provided the previously set loop value of the Animation is used.
killOnComplete
boolean <optional>
false If set to true when the animation completes (only happens if loop=false) the parent Sprite will be killed.
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Returns:
A reference to playing Animation instance.
- Type
- Phaser.Animation
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postUpdate()
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Internal function called by the World postUpdate cycle.
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preUpdate() → {boolean}
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Automatically called by World.preUpdate.
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Returns:
True if the Sprite was rendered, otherwise false.
- Type
- boolean
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reset(x, y, health)
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Resets the Particle. This places the Particle at the given x/y world coordinates and then sets alive, exists, visible and renderable all to true. Also resets the outOfBounds state and health values. If the Particle has a physics body that too is reset.
Parameters:
Name Type Argument Default Description x
number The x coordinate (in world space) to position the Particle at.
y
number The y coordinate (in world space) to position the Particle at.
health
number <optional>
1 The health to give the Particle.
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Returns:
(Phaser.Particle) This instance.
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revive(health)
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Brings a 'dead' Sprite back to life, optionally giving it the health value specified. A resurrected Sprite has its alive, exists and visible properties all set to true. It will dispatch the onRevived event, you can listen to Sprite.events.onRevived for the signal.
Parameters:
Name Type Argument Default Description health
number <optional>
1 The health to give the Sprite.
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Returns:
(Phaser.Sprite) This instance.
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setAlphaData()
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Called by the Emitter if autoAlpha has been enabled. Passes over the alpha ease data and resets the alpha counter.
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setScaleData()
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Called by the Emitter if autoScale has been enabled. Passes over the scale ease data and resets the scale counter.
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update()
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Updates the Particle scale or alpha if autoScale and autoAlpha are set.
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