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<title>Phaser Class: Emitter</title>
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<div class="row-fluid">
<div class="span8">
<div id="main">
<h1 class="page-title">Class: Emitter</h1>
<section>
<header>
<h2>
Emitter
</h2>
<div class="class-description"><p>Emitter is a lightweight particle emitter that uses Arcade Physics.
It can be used for one-time explosions or for continuous effects like rain and fire.
All it really does is launch Particle objects out at set intervals, and fixes their positions and velocities accorindgly.</p></div>
</header>
<article>
<div class="container-overview">
<dt>
<h4 class="name" id="Emitter"><span class="type-signature"></span>new Emitter<span class="signature">(game, <span class="optional">x</span>, <span class="optional">y</span>, <span class="optional">maxParticles</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>game</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Game.html">Phaser.Game</a></span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>Current game instance.</p></td>
</tr>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The x coordinate within the Emitter that the particles are emitted from.</p></td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The y coordinate within the Emitter that the particles are emitted from.</p></td>
</tr>
<tr>
<td class="name"><code>maxParticles</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
50
</td>
<td class="description last"><p>The total number of particles in this emitter.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-22">line 22</a>
</li></ul></dd>
</dl>
</dd>
</div>
<h3 class="subsection-title">Extends</h3>
<ul>
<li><a href="Phaser.Group.html">Phaser.Group</a></li>
</ul>
<h3 class="subsection-title">Members</h3>
<dl>
<dt>
<h4 class="name" id="alive"><span class="type-signature"></span>alive<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>alive</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>The alive property is useful for Groups that are children of other Groups and need to be included/excluded in checks like forEachAlive.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#alive">Phaser.Group#alive</a>
</li></dd>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>true</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-69">line 69</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="alpha"><span class="type-signature"></span>alpha<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>alpha</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The alpha value of the Group container.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#alpha">Phaser.Group#alpha</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1743">line 1743</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="alphaData"><span class="type-signature"></span>alphaData<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>alphaData</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="description last"><p>An array of the calculated alpha easing data applied to particles with alphaRates &gt; 0.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-105">line 105</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="angle"><span class="type-signature"></span>angle<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The angle of rotation of the Group container. This will adjust the Group container itself by modifying its rotation.
This will have no impact on the rotation value of its children, but it will update their worldTransform and on-screen position.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>angle</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The angle of rotation given in degrees, where 0 degrees = to the right.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#angle">Phaser.Group#angle</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1684">line 1684</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="angularDrag"><span class="type-signature"></span>angularDrag<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>angularDrag</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The angular drag component of particles launched from the emitter if they are rotating.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>0</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-128">line 128</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="area"><span class="type-signature"></span>area<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>area</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Rectangle.html">Phaser.Rectangle</a></span>
</td>
<td class="description last"><p>The area of the emitter. Particles can be randomly generated from anywhere within this rectangle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-47">line 47</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="autoAlpha"><span class="type-signature"></span>autoAlpha<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>autoAlpha</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>When a new Particle is emitted this controls if it will automatically change alpha. Use Emitter.setAlpha to configure.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-189">line 189</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="autoScale"><span class="type-signature"></span>autoScale<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>autoScale</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>When a new Particle is emitted this controls if it will automatically scale in size. Use Emitter.setScale to configure.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-184">line 184</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="blendMode"><span class="type-signature"></span>blendMode<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>blendMode</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The blendMode as set on the particle when emitted from the Emitter. Defaults to NORMAL. Needs browser capable of supporting canvas blend-modes (most not available in WebGL)</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-163">line 163</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="bottom"><span class="type-signature">&lt;readonly> </span>bottom<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>bottom</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets the bottom position of the Emitter.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-825">line 825</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="bounce"><span class="type-signature"></span>bounce<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>bounce</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"><p>How much each particle should bounce on each axis. 1 = full bounce, 0 = no bounce.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-145">line 145</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="cameraOffset"><span class="type-signature"></span>cameraOffset<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>cameraOffset</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"><p>If this object is fixedToCamera then this stores the x/y offset that its drawn at, from the top-left of the camera view.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#cameraOffset">Phaser.Group#cameraOffset</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-108">line 108</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="classType"><span class="type-signature"></span>classType<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The type of objects that will be created when you use Group.create or Group.createMultiple. Defaults to Phaser.Sprite.
When a new object is created it is passed the following parameters to its constructor: game, x, y, key, frame.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>classType</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#classType">Phaser.Group#classType</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-83">line 83</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="cursor"><span class="type-signature"></span>cursor<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The cursor is a simple way to iterate through the objects in a Group using the Group.next and Group.previous functions.
The cursor is set to the first child added to the Group and doesn't change unless you call next, previous or set it directly with Group.cursor.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>cursor</code></td>
<td class="type">
<span class="param-type">any</span>
</td>
<td class="description last"><p>The current display object that the Group cursor is pointing to.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#cursor">Phaser.Group#cursor</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-103">line 103</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="emitX"><span class="type-signature"></span>emitX<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The point the particles are emitted from.
Emitter.x and Emitter.y control the containers location, which updates all current particles
Emitter.emitX and Emitter.emitY control the emission location relative to the x/y position.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>emitX</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-171">line 171</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="emitY"><span class="type-signature"></span>emitY<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The point the particles are emitted from.
Emitter.x and Emitter.y control the containers location, which updates all current particles
Emitter.emitX and Emitter.emitY control the emission location relative to the x/y position.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>emitY</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-179">line 179</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="enableBody"><span class="type-signature"></span>enableBody<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>enableBody</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true all Sprites created by, or added to this Group, will have a physics body enabled on them. Change the body type with <code>Group.physicsBodyType</code>.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#enableBody">Phaser.Group#enableBody</a>
</li></dd>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>enableBody</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-114">line 114</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="enableBodyDebug"><span class="type-signature"></span>enableBodyDebug<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>enableBodyDebug</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true when a physics body is created (via Group.enableBody) it will create a physics debug object as well. Only works for P2 bodies.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#enableBodyDebug">Phaser.Group#enableBodyDebug</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-119">line 119</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="exists"><span class="type-signature"></span>exists<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>exists</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If exists is true the Group is updated, otherwise it is skipped.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#exists">Phaser.Group#exists</a>
</li></dd>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>true</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-75">line 75</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="fixedToCamera"><span class="type-signature"></span>fixedToCamera<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>A Group that is fixed to the camera uses its x/y coordinates as offsets from the top left of the camera. These are stored in Group.cameraOffset.
Note that the cameraOffset values are in addition to any parent in the display list.
So if this Group was in a Group that has x: 200, then this will be added to the cameraOffset.x</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>fixedToCamera</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>Set to true to fix this Group to the Camera at its current world coordinates.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#fixedToCamera">Phaser.Group#fixedToCamera</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1702">line 1702</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="frequency"><span class="type-signature"></span>frequency<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>frequency</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>How often a particle is emitted in ms (if emitter is started with Explode === false).</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>100</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-134">line 134</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="game"><span class="type-signature"></span>game<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>game</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Game.html">Phaser.Game</a></span>
</td>
<td class="description last"><p>A reference to the currently running Game.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#game">Phaser.Group#game</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-28">line 28</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="gravity"><span class="type-signature"></span>gravity<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>gravity</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Sets the <code>body.gravity.y</code> of each particle sprite to this value on launch.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>100</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-111">line 111</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="height"><span class="type-signature"></span>height<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>height</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the height of the Emitter. This is the region in which a particle can be emitted.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-738">line 738</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="left"><span class="type-signature">&lt;readonly> </span>left<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>left</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets the left position of the Emitter.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-786">line 786</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="length"><span class="type-signature">&lt;readonly> </span>length<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>length</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The total number of children in this Group, regardless of their exists/alive status.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#length">Phaser.Group#length</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1669">line 1669</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="lifespan"><span class="type-signature"></span>lifespan<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>lifespan</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>How long each particle lives once it is emitted in ms. Default is 2 seconds. Set lifespan to 'zero' for particles to live forever.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>2000</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-140">line 140</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="maxParticleAlpha"><span class="type-signature"></span>maxParticleAlpha<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>maxParticleAlpha</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The maximum possible alpha value of a particle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>1</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-100">line 100</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="maxParticles"><span class="type-signature"></span>maxParticles<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>maxParticles</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The total number of particles in this emitter.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-28">line 28</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="maxParticleScale"><span class="type-signature"></span>maxParticleScale<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>maxParticleScale</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The maximum possible scale of a particle. This is applied to the X and Y axis. If you need to control each axis see maxParticleScaleX.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>1</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-71">line 71</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="maxParticleSpeed"><span class="type-signature"></span>maxParticleSpeed<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>maxParticleSpeed</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"><p>The maximum possible velocity of a particle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-59">line 59</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="maxRotation"><span class="type-signature"></span>maxRotation<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>maxRotation</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The maximum possible angular velocity of a particle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>360</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-88">line 88</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="minParticleAlpha"><span class="type-signature"></span>minParticleAlpha<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>minParticleAlpha</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The minimum possible alpha value of a particle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>1</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-94">line 94</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="minParticleScale"><span class="type-signature"></span>minParticleScale<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>minParticleScale</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The minimum possible scale of a particle. This is applied to the X and Y axis. If you need to control each axis see minParticleScaleX.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>1</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-65">line 65</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="minParticleSpeed"><span class="type-signature"></span>minParticleSpeed<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>minParticleSpeed</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"><p>The minimum possible velocity of a particle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-53">line 53</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="minRotation"><span class="type-signature"></span>minRotation<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>minRotation</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The minimum possible angular velocity of a particle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-82">line 82</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="name"><span class="type-signature"></span>name<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>name</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last"><p>A handy string name for this emitter. Can be set to anything.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-35">line 35</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="on"><span class="type-signature"></span>on<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>on</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>Determines whether the emitter is currently emitting particles. It is totally safe to directly toggle this.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>false</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-151">line 151</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="particleAnchor"><span class="type-signature"></span>particleAnchor<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>particleAnchor</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"><p>When a particle is created its anchor will be set to match this Point object (defaults to x/y: 0.5 to aid in rotation)</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-157">line 157</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="particleBringToTop"><span class="type-signature"></span>particleBringToTop<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>particleBringToTop</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If this is <code>true</code> then when the Particle is emitted it will be bought to the top of the Emitters display list.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>false</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-195">line 195</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="particleClass"><span class="type-signature"></span>particleClass<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>particleClass</code></td>
<td class="type">
<span class="param-type">any</span>
</td>
<td class="description last"><p>For emitting your own particle class types. They must extend Phaser.Particle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-117">line 117</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="particleDrag"><span class="type-signature"></span>particleDrag<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>particleDrag</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"><p>The X and Y drag component of particles launched from the emitter.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-122">line 122</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="particleSendToBack"><span class="type-signature"></span>particleSendToBack<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>particleSendToBack</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If this is <code>true</code> then when the Particle is emitted it will be sent to the back of the Emitters display list.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>false</li></ul></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-201">line 201</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="physicsBodyType"><span class="type-signature"></span>physicsBodyType<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>physicsBodyType</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>If Group.enableBody is true this is the type of physics body that is created on new Sprites. Phaser.Physics.ARCADE, Phaser.Physics.P2, Phaser.Physics.NINJA, etc.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#physicsBodyType">Phaser.Group#physicsBodyType</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-124">line 124</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="right"><span class="type-signature">&lt;readonly> </span>right<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets the right position of the Emitter.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-799">line 799</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="rotation"><span class="type-signature"></span>rotation<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The angle of rotation of the Group container. This will adjust the Group container itself by modifying its rotation.
This will have no impact on the rotation value of its children, but it will update their worldTransform and on-screen position.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>rotation</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The angle of rotation given in radians.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#rotation">Phaser.Group#rotation</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1739">line 1739</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="scale"><span class="type-signature"></span>scale<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>scale</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"><p>The scale of the Group container.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#scale">Phaser.Group#scale</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-92">line 92</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="scaleData"><span class="type-signature"></span>scaleData<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>scaleData</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="description last"><p>An array of the calculated scale easing data applied to particles with scaleRates &gt; 0.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-76">line 76</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="top"><span class="type-signature">&lt;readonly> </span>top<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>top</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets the top position of the Emitter.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-812">line 812</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="total"><span class="type-signature">&lt;readonly> </span>total<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>total</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The total number of children in this Group who have a state of exists = true.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#total">Phaser.Group#total</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1654">line 1654</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="type"><span class="type-signature">&lt;protected> </span>type<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>type</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Internal Phaser Type value.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-41">line 41</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="visible"><span class="type-signature"></span>visible<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>visible</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>The visible state of the Group. Non-visible Groups and all of their children are not rendered.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#visible">Phaser.Group#visible</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1741">line 1741</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="width"><span class="type-signature"></span>width<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>width</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the width of the Emitter. This is the region in which a particle can be emitted.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-722">line 722</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="x"><span class="type-signature"></span>x<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the x position of the Emitter.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-754">line 754</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="y"><span class="type-signature"></span>y<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the y position of the Emitter.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-770">line 770</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="z"><span class="type-signature"></span>z<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>z</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>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.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#z">Phaser.Group#z</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-57">line 57</a>
</li></ul></dd>
</dl>
</dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<dl>
<dt>
<h4 class="name" id="add"><span class="type-signature"></span>add<span class="signature">(child, <span class="optional">silent</span>)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Adds an existing object to this Group. The object can be an instance of Phaser.Sprite, Phaser.Button or any other display object.
The child is automatically added to the top of the Group, so renders on-top of everything else within the Group. If you need to control
that then see the addAt method.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>An instance of Phaser.Sprite, Phaser.Button or any other display object..</p></td>
</tr>
<tr>
<td class="name"><code>silent</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If the silent parameter is <code>true</code> the child will not dispatch the onAddedToGroup event.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#add">Phaser.Group#add</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-184">line 184</a>
</li></ul></dd>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li><a href="Phaser.Group.html#create">Phaser.Group#create</a></li>
<li><a href="Phaser.Group.html#addAt">Phaser.Group#addAt</a></li>
</ul>
</dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child that was added to the Group.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="addAll"><span class="type-signature"></span>addAll<span class="signature">(property, amount, checkAlive, checkVisible)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Adds the amount to the given property on all children in this Group.
Group.addAll('x', 10) will add 10 to the child.x value.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>property</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last"><p>The property to increment, for example 'body.velocity.x' or 'angle'.</p></td>
</tr>
<tr>
<td class="name"><code>amount</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The amount to increment the property by. If child.x = 10 then addAll('x', 40) would make child.x = 50.</p></td>
</tr>
<tr>
<td class="name"><code>checkAlive</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true the property will only be changed if the child is alive.</p></td>
</tr>
<tr>
<td class="name"><code>checkVisible</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true the property will only be changed if the child is visible.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#addAll">Phaser.Group#addAll</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-854">line 854</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="addAt"><span class="type-signature"></span>addAt<span class="signature">(child, index, <span class="optional">silent</span>)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Adds an existing object to this Group. The object can be an instance of Phaser.Sprite, Phaser.Button or any other display object.
The child is added to the Group at the location specified by the index value, this allows you to control child ordering.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>An instance of Phaser.Sprite, Phaser.Button or any other display object..</p></td>
</tr>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The index within the Group to insert the child to.</p></td>
</tr>
<tr>
<td class="name"><code>silent</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If the silent parameter is <code>true</code> the child will not dispatch the onAddedToGroup event.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#addAt">Phaser.Group#addAt</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-226">line 226</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child that was added to the Group.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="ascendingSortHandler"><span class="type-signature"></span>ascendingSortHandler<span class="signature">(a, b)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>An internal helper function for the sort process.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>a</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="description last"><p>The first object being sorted.</p></td>
</tr>
<tr>
<td class="name"><code>b</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="description last"><p>The second object being sorted.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#ascendingSortHandler">Phaser.Group#ascendingSortHandler</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1256">line 1256</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="at"><span class="type-signature"></span>at<span class="signature">(object)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Change the emitters center to match the center of any object with a <code>center</code> property, such as a Sprite.
If the object doesn't have a center property it will be set to object.x + object.width / 2</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>object</code></td>
<td class="type">
<span class="param-type">object</span>
|
<span class="param-type"><a href="Phaser.Sprite.html">Phaser.Sprite</a></span>
|
<span class="param-type"><a href="Phaser.Image.html">Phaser.Image</a></span>
|
<span class="param-type"><a href="Phaser.TileSprite.html">Phaser.TileSprite</a></span>
|
<span class="param-type"><a href="Phaser.Text.html">Phaser.Text</a></span>
|
<span class="param-type">PIXI.DisplayObject</span>
</td>
<td class="description last"><p>The object that you wish to match the center with.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-700">line 700</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="bringToTop"><span class="type-signature"></span>bringToTop<span class="signature">(child)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Brings the given child to the top of this Group so it renders above all other children.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The child to bring to the top of this Group.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#bringToTop">Phaser.Group#bringToTop</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-471">line 471</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child that was moved.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="callAll"><span class="type-signature"></span>callAll<span class="signature">(method, <span class="optional">context</span>, parameter)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Calls a function on all of the children regardless if they are dead or alive (see callAllExists if you need control over that)
After the method parameter and context you can add as many extra parameters as you like, which will all be passed to the child.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>method</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>A string containing the name of the function that will be called. The function must exist on the child.</p></td>
</tr>
<tr>
<td class="name"><code>context</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
null
</td>
<td class="description last"><p>A string containing the context under which the method will be executed. Set to null to default to the child.</p></td>
</tr>
<tr>
<td class="name"><code>parameter</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
&lt;repeatable><br>
</td>
<td class="default">
</td>
<td class="description last"><p>Additional parameters that will be passed to the method.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#callAll">Phaser.Group#callAll</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-994">line 994</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="callAllExists"><span class="type-signature"></span>callAllExists<span class="signature">(callback, existsValue, parameter)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Calls a function on all of the children that have exists=true in this Group.
After the existsValue parameter you can add as many parameters as you like, which will all be passed to the child callback.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>callback</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The function that exists on the children that will be called.</p></td>
</tr>
<tr>
<td class="name"><code>existsValue</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>Only children with exists=existsValue will be called.</p></td>
</tr>
<tr>
<td class="name"><code>parameter</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
&lt;repeatable><br>
</td>
<td class="description last"><p>Additional parameters that will be passed to the callback.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#callAllExists">Phaser.Group#callAllExists</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-918">line 918</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="callbackFromArray"><span class="type-signature">&lt;protected> </span>callbackFromArray<span class="signature">(child, callback, length)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Returns a reference to a function that exists on a child of the Group based on the given callback array.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="description last"><p>The object to inspect.</p></td>
</tr>
<tr>
<td class="name"><code>callback</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="description last"><p>The array of function names.</p></td>
</tr>
<tr>
<td class="name"><code>length</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The size of the array (pre-calculated in callAll).</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#callbackFromArray">Phaser.Group#callbackFromArray</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-941">line 941</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="countDead"><span class="type-signature"></span>countDead<span class="signature">()</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to find out how many members of the group are dead.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#countDead">Phaser.Group#countDead</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1454">line 1454</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The number of children flagged as dead.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="countLiving"><span class="type-signature"></span>countLiving<span class="signature">()</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to find out how many members of the group are alive.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#countLiving">Phaser.Group#countLiving</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1442">line 1442</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The number of children flagged as alive.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="create"><span class="type-signature"></span>create<span class="signature">(x, y, key, <span class="optional">frame</span>, <span class="optional">exists</span>)</span><span class="type-signature"> &rarr; {<a href="Phaser.Sprite.html">Phaser.Sprite</a>|object}</span></h4>
</dt>
<dd>
<div class="description">
<p>Automatically creates a new Phaser.Sprite object and adds it to the top of this Group.
You can change Group.classType to any object and this call will create an object of that type instead, but it should extend either Sprite or Image.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The x coordinate to display the newly created Sprite at. The value is in relation to the Group.x point.</p></td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The y coordinate to display the newly created Sprite at. The value is in relation to the Group.y point.</p></td>
</tr>
<tr>
<td class="name"><code>key</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The Game.cache key of the image that this Sprite will use.</p></td>
</tr>
<tr>
<td class="name"><code>frame</code></td>
<td class="type">
<span class="param-type">number</span>
|
<span class="param-type">string</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>If the Sprite image contains multiple frames you can specify which one to use here.</p></td>
</tr>
<tr>
<td class="name"><code>exists</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
true
</td>
<td class="description last"><p>The default exists state of the Sprite.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#create">Phaser.Group#create</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-286">line 286</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child that was created. Will be a Phaser.Sprite unless Group.classType has been changed.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type"><a href="Phaser.Sprite.html">Phaser.Sprite</a></span>
|
<span class="param-type">object</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="createMultiple"><span class="type-signature"></span>createMultiple<span class="signature">(quantity, key, <span class="optional">frame</span>, <span class="optional">exists</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Automatically creates multiple Phaser.Sprite objects and adds them to the top of this Group.
Useful if you need to quickly generate a pool of identical sprites, such as bullets. By default the sprites will be set to not exist
and will be positioned at 0, 0 (relative to the Group.x/y)
You can change Group.classType to any object and this call will create an object of that type instead, but it should extend either Sprite or Image.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>quantity</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The number of Sprites to create.</p></td>
</tr>
<tr>
<td class="name"><code>key</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The Game.cache key of the image that this Sprite will use.</p></td>
</tr>
<tr>
<td class="name"><code>frame</code></td>
<td class="type">
<span class="param-type">number</span>
|
<span class="param-type">string</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>If the Sprite image contains multiple frames you can specify which one to use here.</p></td>
</tr>
<tr>
<td class="name"><code>exists</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>The default exists state of the Sprite.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#createMultiple">Phaser.Group#createMultiple</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-331">line 331</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="customSort"><span class="type-signature"></span>customSort<span class="signature">(sortHandler, context)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>This allows you to use your own sort handler function.
It will be sent two parameters: the two children involved in the comparison (a and b). It should return -1 if a &gt; b, 1 if a &lt; b or 0 if a === b.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>sortHandler</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="description last"><p>Your sort handler function. It will be sent two parameters: the two children involved in the comparison. It must return -1, 1 or 0.</p></td>
</tr>
<tr>
<td class="name"><code>context</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="description last"><p>The scope in which the sortHandler is called.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#customSort">Phaser.Group#customSort</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1234">line 1234</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="descendingSortHandler"><span class="type-signature"></span>descendingSortHandler<span class="signature">(a, b)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>An internal helper function for the sort process.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>a</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="description last"><p>The first object being sorted.</p></td>
</tr>
<tr>
<td class="name"><code>b</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="description last"><p>The second object being sorted.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#descendingSortHandler">Phaser.Group#descendingSortHandler</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1287">line 1287</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="destroy"><span class="type-signature"></span>destroy<span class="signature">(<span class="optional">destroyChildren</span>, <span class="optional">soft</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Destroys this Group. Removes all children, then removes the container from the display list and nulls references.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>destroyChildren</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
true
</td>
<td class="description last"><p>Should every child of this Group have its destroy method called?</p></td>
</tr>
<tr>
<td class="name"><code>soft</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>A 'soft destroy' (set to true) doesn't remove this Group from its parent or null the game reference. Set to false and it does.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#destroy">Phaser.Group#destroy</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1622">line 1622</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="divideAll"><span class="type-signature"></span>divideAll<span class="signature">(property, amount, checkAlive, checkVisible)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Divides the given property by the amount on all children in this Group.
Group.divideAll('x', 2) will half the child.x value.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>property</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last"><p>The property to divide, for example 'body.velocity.x' or 'angle'.</p></td>
</tr>
<tr>
<td class="name"><code>amount</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The amount to divide the property by. If child.x = 100 then divideAll('x', 2) would make child.x = 50.</p></td>
</tr>
<tr>
<td class="name"><code>checkAlive</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true the property will only be changed if the child is alive.</p></td>
</tr>
<tr>
<td class="name"><code>checkVisible</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true the property will only be changed if the child is visible.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#divideAll">Phaser.Group#divideAll</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-902">line 902</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="emitParticle"><span class="type-signature"></span>emitParticle<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>This function can be used both internally and externally to emit the next particle in the queue.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-463">line 463</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="explode"><span class="type-signature"></span>explode<span class="signature">(<span class="optional">lifespan</span>, <span class="optional">quantity</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to emit the given quantity of particles at all once (an explosion)</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>lifespan</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>How long each particle lives once emitted in ms. 0 = forever.</p></td>
</tr>
<tr>
<td class="name"><code>quantity</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>How many particles to launch.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-395">line 395</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="flow"><span class="type-signature"></span>flow<span class="signature">(<span class="optional">lifespan</span>, <span class="optional">frequency</span>, <span class="optional">quantity</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to start emitting a flow of particles at the given frequency.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>lifespan</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>How long each particle lives once emitted in ms. 0 = forever.</p></td>
</tr>
<tr>
<td class="name"><code>frequency</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
250
</td>
<td class="description last"><p>Frequency is how often to emit a particle, given in ms.</p></td>
</tr>
<tr>
<td class="name"><code>quantity</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>How many particles to launch.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-408">line 408</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="forEach"><span class="type-signature"></span>forEach<span class="signature">(callback, callbackContext, <span class="optional">checkExists</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Allows you to call your own function on each member of this Group. You must pass the callback and context in which it will run.
After the checkExists parameter you can add as many parameters as you like, which will all be passed to the callback along with the child.
For example: Group.forEach(awardBonusGold, this, true, 100, 500)
Note: Currently this will skip any children which are Groups themselves.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>callback</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The function that will be called. Each child of the Group will be passed to it as its first parameter.</p></td>
</tr>
<tr>
<td class="name"><code>callbackContext</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The context in which the function should be called (usually 'this').</p></td>
</tr>
<tr>
<td class="name"><code>checkExists</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If set only children with exists=true will be passed to the callback, otherwise all children will be passed.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#forEach">Phaser.Group#forEach</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1117">line 1117</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="forEachAlive"><span class="type-signature"></span>forEachAlive<span class="signature">(callback, callbackContext)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Allows you to call your own function on each alive member of this Group (where child.alive=true). You must pass the callback and context in which it will run.
You can add as many parameters as you like, which will all be passed to the callback along with the child.
For example: Group.forEachAlive(causeDamage, this, 500)</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>callback</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="description last"><p>The function that will be called. Each child of the Group will be passed to it as its first parameter.</p></td>
</tr>
<tr>
<td class="name"><code>callbackContext</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last"><p>The context in which the function should be called (usually 'this').</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#forEachAlive">Phaser.Group#forEachAlive</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1164">line 1164</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="forEachDead"><span class="type-signature"></span>forEachDead<span class="signature">(callback, callbackContext)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Allows you to call your own function on each dead member of this Group (where alive=false). You must pass the callback and context in which it will run.
You can add as many parameters as you like, which will all be passed to the callback along with the child.
For example: Group.forEachDead(bringToLife, this)</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>callback</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="description last"><p>The function that will be called. Each child of the Group will be passed to it as its first parameter.</p></td>
</tr>
<tr>
<td class="name"><code>callbackContext</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last"><p>The context in which the function should be called (usually 'this').</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#forEachDead">Phaser.Group#forEachDead</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1182">line 1182</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="forEachExists"><span class="type-signature"></span>forEachExists<span class="signature">(callback, callbackContext)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Allows you to call your own function on each member of this Group where child.exists=true. You must pass the callback and context in which it will run.
You can add as many parameters as you like, which will all be passed to the callback along with the child.
For example: Group.forEachExists(causeDamage, this, 500)</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>callback</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="description last"><p>The function that will be called. Each child of the Group will be passed to it as its first parameter.</p></td>
</tr>
<tr>
<td class="name"><code>callbackContext</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last"><p>The context in which the function should be called (usually 'this').</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#forEachExists">Phaser.Group#forEachExists</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1146">line 1146</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getAt"><span class="type-signature"></span>getAt<span class="signature">(index)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns the child found at the given index within this Group.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The index to return the child from.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#getAt">Phaser.Group#getAt</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-266">line 266</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child that was found at the given index. If the index was out of bounds then this will return -1.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getBottom"><span class="type-signature"></span>getBottom<span class="signature">()</span><span class="type-signature"> &rarr; {Any}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns the child at the bottom of this Group. The bottom is the one being displayed (rendered) below every other child.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#getBottom">Phaser.Group#getBottom</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1427">line 1427</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child at the bottom of the Group.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Any</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getFirstAlive"><span class="type-signature"></span>getFirstAlive<span class="signature">()</span><span class="type-signature"> &rarr; {Any}</span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to retrieve the first object with alive === true in the group.
This is handy for checking if everything has been wiped out, or choosing a squad leader, etc.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#getFirstAlive">Phaser.Group#getFirstAlive</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1386">line 1386</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The first alive child, or null if none found.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Any</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getFirstDead"><span class="type-signature"></span>getFirstDead<span class="signature">()</span><span class="type-signature"> &rarr; {Any}</span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to retrieve the first object with alive === false in the group.
This is handy for checking if everything has been wiped out, or choosing a squad leader, etc.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#getFirstDead">Phaser.Group#getFirstDead</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1399">line 1399</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The first dead child, or null if none found.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Any</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getFirstExists"><span class="type-signature"></span>getFirstExists<span class="signature">(state)</span><span class="type-signature"> &rarr; {Any}</span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to retrieve the first object with exists == (the given state) in the Group.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>state</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>True or false.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#getFirstExists">Phaser.Group#getFirstExists</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1368">line 1368</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The first child, or null if none found.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Any</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getIndex"><span class="type-signature"></span>getIndex<span class="signature">(child)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Get the index position of the given child in this Group. This should always match the childs z property.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The child to get the index for.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#getIndex">Phaser.Group#getIndex</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-591">line 591</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The index of the child or -1 if it's not a member of this Group.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getRandom"><span class="type-signature"></span>getRandom<span class="signature">(startIndex, length)</span><span class="type-signature"> &rarr; {Any}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns a member at random from the group.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>startIndex</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Optional offset off the front of the array. Default value is 0, or the beginning of the array.</p></td>
</tr>
<tr>
<td class="name"><code>length</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Optional restriction on the number of values you want to randomly select from.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#getRandom">Phaser.Group#getRandom</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1466">line 1466</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>A random child of this Group.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Any</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getTop"><span class="type-signature"></span>getTop<span class="signature">()</span><span class="type-signature"> &rarr; {Any}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns the child at the top of this Group. The top is the one being displayed (rendered) above every other child.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#getTop">Phaser.Group#getTop</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1412">line 1412</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child at the top of the Group.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Any</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="hasProperty"><span class="type-signature"></span>hasProperty<span class="signature">(child, key)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Checks if the child has the given property. Will scan up to 4 levels deep only.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The child to check for the existance of the property on.</p></td>
</tr>
<tr>
<td class="name"><code>key</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="description last"><p>An array of strings that make up the property.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#hasProperty">Phaser.Group#hasProperty</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-640">line 640</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>True if the child has the property, otherwise false.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="iterate"><span class="type-signature"></span>iterate<span class="signature">(key, value, returnType, <span class="optional">callback</span>, <span class="optional">callbackContext</span>)</span><span class="type-signature"> &rarr; {any}</span></h4>
</dt>
<dd>
<div class="description">
<p>Iterates over the children of the Group. When a child has a property matching key that equals the given value, it is considered as a match.
Matched children can be sent to the optional callback, or simply returned or counted.
You can add as many callback parameters as you like, which will all be passed to the callback along with the child, after the callbackContext parameter.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>key</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The child property to check, i.e. 'exists', 'alive', 'health'</p></td>
</tr>
<tr>
<td class="name"><code>value</code></td>
<td class="type">
<span class="param-type">any</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>If child.key === this value it will be considered a match. Note that a strict comparison is used.</p></td>
</tr>
<tr>
<td class="name"><code>returnType</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>How to return the data from this method. Either Phaser.Group.RETURN_NONE, Phaser.Group.RETURN_TOTAL or Phaser.Group.RETURN_CHILD.</p></td>
</tr>
<tr>
<td class="name"><code>callback</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
null
</td>
<td class="description last"><p>Optional function that will be called on each matching child. Each child of the Group will be passed to it as its first parameter.</p></td>
</tr>
<tr>
<td class="name"><code>callbackContext</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>The context in which the function should be called (usually 'this').</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#iterate">Phaser.Group#iterate</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1311">line 1311</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>Returns either a numeric total (if RETURN_TOTAL was specified) or the child object.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">any</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="kill"><span class="type-signature"></span>kill<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to turn off all the particles and the emitter.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-370">line 370</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="makeParticles"><span class="type-signature"></span>makeParticles<span class="signature">(keys, <span class="optional">frames</span>, <span class="optional">quantity</span>, <span class="optional">collide</span>, <span class="optional">collideWorldBounds</span>)</span><span class="type-signature"> &rarr; {<a href="Phaser.Particles.Arcade.Emitter.html">Phaser.Particles.Arcade.Emitter</a>}</span></h4>
</dt>
<dd>
<div class="description">
<p>This function generates a new set of particles for use by this emitter.
The particles are stored internally waiting to be emitted via Emitter.start.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>keys</code></td>
<td class="type">
<span class="param-type">array</span>
|
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>A string or an array of strings that the particle sprites will use as their texture. If an array one is picked at random.</p></td>
</tr>
<tr>
<td class="name"><code>frames</code></td>
<td class="type">
<span class="param-type">array</span>
|
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>A frame number, or array of frames that the sprite will use. If an array one is picked at random.</p></td>
</tr>
<tr>
<td class="name"><code>quantity</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>The number of particles to generate. If not given it will use the value of Emitter.maxParticles.</p></td>
</tr>
<tr>
<td class="name"><code>collide</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If you want the particles to be able to collide with other Arcade Physics bodies then set this to true.</p></td>
</tr>
<tr>
<td class="name"><code>collideWorldBounds</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>A particle can be set to collide against the World bounds automatically and rebound back into the World if this is set to true. Otherwise it will leave the World.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-304">line 304</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>This Emitter instance.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type"><a href="Phaser.Particles.Arcade.Emitter.html">Phaser.Particles.Arcade.Emitter</a></span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="moveDown"><span class="type-signature"></span>moveDown<span class="signature">(child)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Moves the given child down one place in this Group unless it's already at the top.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The child to move down in the Group.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#moveDown">Phaser.Group#moveDown</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-533">line 533</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child that was moved.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="moveUp"><span class="type-signature"></span>moveUp<span class="signature">(child)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Moves the given child up one place in this Group unless it's already at the top.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The child to move up in the Group.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#moveUp">Phaser.Group#moveUp</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-509">line 509</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child that was moved.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="multiplyAll"><span class="type-signature"></span>multiplyAll<span class="signature">(property, amount, checkAlive, checkVisible)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Multiplies the given property by the amount on all children in this Group.
Group.multiplyAll('x', 2) will x2 the child.x value.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>property</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last"><p>The property to multiply, for example 'body.velocity.x' or 'angle'.</p></td>
</tr>
<tr>
<td class="name"><code>amount</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The amount to multiply the property by. If child.x = 10 then multiplyAll('x', 2) would make child.x = 20.</p></td>
</tr>
<tr>
<td class="name"><code>checkAlive</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true the property will only be changed if the child is alive.</p></td>
</tr>
<tr>
<td class="name"><code>checkVisible</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true the property will only be changed if the child is visible.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#multiplyAll">Phaser.Group#multiplyAll</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-886">line 886</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="next"><span class="type-signature"></span>next<span class="signature">()</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Advances the Group cursor to the next object in the Group. If it's at the end of the Group it wraps around to the first object.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#next">Phaser.Group#next</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-396">line 396</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child the cursor now points to.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="postUpdate"><span class="type-signature">&lt;protected> </span>postUpdate<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The core postUpdate - as called by World.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#postUpdate">Phaser.Group#postUpdate</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1094">line 1094</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="preUpdate"><span class="type-signature">&lt;protected> </span>preUpdate<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The core preUpdate - as called by World.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#preUpdate">Phaser.Group#preUpdate</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1054">line 1054</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="previous"><span class="type-signature"></span>previous<span class="signature">()</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Moves the Group cursor to the previous object in the Group. If it's at the start of the Group it wraps around to the last object.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#previous">Phaser.Group#previous</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-423">line 423</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child the cursor now points to.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="remove"><span class="type-signature"></span>remove<span class="signature">(child, <span class="optional">destroy</span>, <span class="optional">silent</span>)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Removes the given child from this Group. This will dispatch an onRemovedFromGroup event from the child (if it has one),
reset the Group cursor and optionally destroy the child.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">Any</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The child to remove.</p></td>
</tr>
<tr>
<td class="name"><code>destroy</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>You can optionally call destroy on the child that was removed.</p></td>
</tr>
<tr>
<td class="name"><code>silent</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If the silent parameter is <code>true</code> the child will not dispatch the onRemovedFromGroup event.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#remove">Phaser.Group#remove</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1488">line 1488</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>true if the child was removed from this Group, otherwise false.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="removeAll"><span class="type-signature"></span>removeAll<span class="signature">(<span class="optional">destroy</span>, <span class="optional">silent</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Removes all children from this Group, setting the group properties of the children to <code>null</code>.
The Group container remains on the display list.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>destroy</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>You can optionally call destroy on each child that is removed.</p></td>
</tr>
<tr>
<td class="name"><code>silent</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If the silent parameter is <code>true</code> the children will not dispatch their onRemovedFromGroup events.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#removeAll">Phaser.Group#removeAll</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1531">line 1531</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="removeBetween"><span class="type-signature"></span>removeBetween<span class="signature">(startIndex, <span class="optional">endIndex</span>, <span class="optional">destroy</span>, <span class="optional">silent</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Removes all children from this Group whos index falls beteen the given startIndex and endIndex values.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>startIndex</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The index to start removing children from.</p></td>
</tr>
<tr>
<td class="name"><code>endIndex</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>The index to stop removing children at. Must be higher than startIndex. If undefined this method will remove all children between startIndex and the end of the Group.</p></td>
</tr>
<tr>
<td class="name"><code>destroy</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>You can optionally call destroy on the child that was removed.</p></td>
</tr>
<tr>
<td class="name"><code>silent</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If the silent parameter is <code>true</code> the children will not dispatch their onRemovedFromGroup events.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#removeBetween">Phaser.Group#removeBetween</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1569">line 1569</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="replace"><span class="type-signature"></span>replace<span class="signature">(oldChild, newChild)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Replaces a child of this Group with the given newChild. The newChild cannot be a member of this Group.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>oldChild</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The child in this Group that will be replaced.</p></td>
</tr>
<tr>
<td class="name"><code>newChild</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The child to be inserted into this Group.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#replace">Phaser.Group#replace</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-604">line 604</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>Returns the oldChild that was replaced within this Group.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="resetCursor"><span class="type-signature"></span>resetCursor<span class="signature">(<span class="optional">index</span>)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Sets the Group cursor to the first object in the Group. If the optional index parameter is given it sets the cursor to the object at that index instead.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>Set the cursor to point to a specific index.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#resetCursor">Phaser.Group#resetCursor</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-371">line 371</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child the cursor now points to.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="reverse"><span class="type-signature"></span>reverse<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Reverses all children in this Group. Note that this does not propagate, only direct children are re-ordered.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#reverse">Phaser.Group#reverse</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-579">line 579</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="revive"><span class="type-signature"></span>revive<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Handy for bringing game objects &quot;back to life&quot;. Just sets alive and exists back to true.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-383">line 383</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="sendToBack"><span class="type-signature"></span>sendToBack<span class="signature">(child)</span><span class="type-signature"> &rarr; {*}</span></h4>
</dt>
<dd>
<div class="description">
<p>Sends the given child to the bottom of this Group so it renders below all other children.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The child to send to the bottom of this Group.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#sendToBack">Phaser.Group#sendToBack</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-490">line 490</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The child that was moved.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">*</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="set"><span class="type-signature"></span>set<span class="signature">(child, key, value, <span class="optional">checkAlive</span>, <span class="optional">checkVisible</span>, <span class="optional">operation</span>, <span class="optional">force</span>)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>This function allows you to quickly set a property on a single child of this Group to a new value.
The operation parameter controls how the new value is assigned to the property, from simple replacement to addition and multiplication.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Sprite.html">Phaser.Sprite</a></span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The child to set the property on.</p></td>
</tr>
<tr>
<td class="name"><code>key</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The property, as a string, to be set. For example: 'body.velocity.x'</p></td>
</tr>
<tr>
<td class="name"><code>value</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The value that will be set.</p></td>
</tr>
<tr>
<td class="name"><code>checkAlive</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If set then the child will only be updated if alive=true.</p></td>
</tr>
<tr>
<td class="name"><code>checkVisible</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If set then the child will only be updated if visible=true.</p></td>
</tr>
<tr>
<td class="name"><code>operation</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>Controls how the value is assigned. A value of 0 replaces the value with the new one. A value of 1 adds it, 2 subtracts it, 3 multiplies it and 4 divides it.</p></td>
</tr>
<tr>
<td class="name"><code>force</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If <code>force</code> is true then the property will be set on the child regardless if it already exists or not. If false and the property doesn't exist, nothing will be set.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#set">Phaser.Group#set</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-749">line 749</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>True if the property was set, false if not.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setAll"><span class="type-signature"></span>setAll<span class="signature">(key, value, <span class="optional">checkAlive</span>, <span class="optional">checkVisible</span>, <span class="optional">operation</span>, <span class="optional">force</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>This function allows you to quickly set the same property across all children of this Group to a new value.
This call doesn't descend down children, so if you have a Group inside of this Group, the property will be set on the Group but not its children.
If you need that ability please see <code>Group.setAllChildren</code>.</p>
<p>The operation parameter controls how the new value is assigned to the property, from simple replacement to addition and multiplication.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>key</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The property, as a string, to be set. For example: 'body.velocity.x'</p></td>
</tr>
<tr>
<td class="name"><code>value</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The value that will be set.</p></td>
</tr>
<tr>
<td class="name"><code>checkAlive</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If set then only children with alive=true will be updated. This includes any Groups that are children.</p></td>
</tr>
<tr>
<td class="name"><code>checkVisible</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If set then only children with visible=true will be updated. This includes any Groups that are children.</p></td>
</tr>
<tr>
<td class="name"><code>operation</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>Controls how the value is assigned. A value of 0 replaces the value with the new one. A value of 1 adds it, 2 subtracts it, 3 multiplies it and 4 divides it.</p></td>
</tr>
<tr>
<td class="name"><code>force</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If <code>force</code> is true then the property will be set on the child regardless if it already exists or not. If false and the property doesn't exist, nothing will be set.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#setAll">Phaser.Group#setAll</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-779">line 779</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setAllChildren"><span class="type-signature"></span>setAllChildren<span class="signature">(key, value, <span class="optional">checkAlive</span>, <span class="optional">checkVisible</span>, <span class="optional">operation</span>, <span class="optional">force</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>This function allows you to quickly set the same property across all children of this Group, and any child Groups, to a new value.</p>
<p>If this Group contains other Groups then the same property is set across their children as well, iterating down until it reaches the bottom.
Unlike with Group.setAll the property is NOT set on child Groups itself.</p>
<p>The operation parameter controls how the new value is assigned to the property, from simple replacement to addition and multiplication.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>key</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The property, as a string, to be set. For example: 'body.velocity.x'</p></td>
</tr>
<tr>
<td class="name"><code>value</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The value that will be set.</p></td>
</tr>
<tr>
<td class="name"><code>checkAlive</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If set then only children with alive=true will be updated. This includes any Groups that are children.</p></td>
</tr>
<tr>
<td class="name"><code>checkVisible</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If set then only children with visible=true will be updated. This includes any Groups that are children.</p></td>
</tr>
<tr>
<td class="name"><code>operation</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>Controls how the value is assigned. A value of 0 replaces the value with the new one. A value of 1 adds it, 2 subtracts it, 3 multiplies it and 4 divides it.</p></td>
</tr>
<tr>
<td class="name"><code>force</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If <code>force</code> is true then the property will be set on the child regardless if it already exists or not. If false and the property doesn't exist, nothing will be set.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#setAllChildren">Phaser.Group#setAllChildren</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-813">line 813</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setAlpha"><span class="type-signature"></span>setAlpha<span class="signature">(<span class="optional">min</span>, <span class="optional">max</span>, <span class="optional">rate</span>, <span class="optional">ease</span>, <span class="optional">yoyo</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>A more compact way of setting the alpha constraints of the particles.
The rate parameter, if set to a value above zero, lets you set the speed at which the Particle change in alpha from min to max.
If rate is zero, which is the default, the particle won't change alpha - instead it will pick a random alpha between min and max on emit.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>min</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
1
</td>
<td class="description last"><p>The minimum value for this range.</p></td>
</tr>
<tr>
<td class="name"><code>max</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
1
</td>
<td class="description last"><p>The maximum value for this range.</p></td>
</tr>
<tr>
<td class="name"><code>rate</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The rate (in ms) at which the particles will change in alpha from min to max, or set to zero to pick a random alpha between the two.</p></td>
</tr>
<tr>
<td class="name"><code>ease</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
Phaser.Easing.Linear.None
</td>
<td class="description last"><p>If you've set a rate &gt; 0 this is the easing formula applied between the min and max values.</p></td>
</tr>
<tr>
<td class="name"><code>yoyo</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If you've set a rate &gt; 0 you can set if the ease will yoyo or not (i.e. ease back to its original values)</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-613">line 613</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setProperty"><span class="type-signature"></span>setProperty<span class="signature">(child, key, value, <span class="optional">operation</span>, <span class="optional">force</span>)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Sets a property to the given value on the child. The operation parameter controls how the value is set.
Operation 0 means set the existing value to the given value, or if force is <code>false</code> create a new property with the given value.
1 will add the given value to the value already present.
2 will subtract the given value from the value already present.
3 will multiply the value already present by the given value.
4 will divide the value already present by the given value.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The child to set the property value on.</p></td>
</tr>
<tr>
<td class="name"><code>key</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>An array of strings that make up the property that will be set.</p></td>
</tr>
<tr>
<td class="name"><code>value</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last"><p>The value that will be set.</p></td>
</tr>
<tr>
<td class="name"><code>operation</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>Controls how the value is assigned. A value of 0 replaces the value with the new one. A value of 1 adds it, 2 subtracts it, 3 multiplies it and 4 divides it.</p></td>
</tr>
<tr>
<td class="name"><code>force</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If <code>force</code> is true then the property will be set on the child regardless if it already exists or not. If false and the property doesn't exist, nothing will be set.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#setProperty">Phaser.Group#setProperty</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-673">line 673</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>True if the property was set, false if not.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setRotation"><span class="type-signature"></span>setRotation<span class="signature">(<span class="optional">min</span>, <span class="optional">max</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>A more compact way of setting the angular velocity constraints of the particles.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>min</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The minimum value for this range.</p></td>
</tr>
<tr>
<td class="name"><code>max</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The maximum value for this range.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-596">line 596</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setScale"><span class="type-signature"></span>setScale<span class="signature">(<span class="optional">minX</span>, <span class="optional">maxX</span>, <span class="optional">minY</span>, <span class="optional">maxY</span>, <span class="optional">rate</span>, <span class="optional">ease</span>, <span class="optional">yoyo</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>A more compact way of setting the scale constraints of the particles.
The rate parameter, if set to a value above zero, lets you set the speed and ease which the Particle uses to change in scale from min to max across both axis.
If rate is zero, which is the default, the particle won't change scale during update, instead it will pick a random scale between min and max on emit.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>minX</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
1
</td>
<td class="description last"><p>The minimum value of Particle.scale.x.</p></td>
</tr>
<tr>
<td class="name"><code>maxX</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
1
</td>
<td class="description last"><p>The maximum value of Particle.scale.x.</p></td>
</tr>
<tr>
<td class="name"><code>minY</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
1
</td>
<td class="description last"><p>The minimum value of Particle.scale.y.</p></td>
</tr>
<tr>
<td class="name"><code>maxY</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
1
</td>
<td class="description last"><p>The maximum value of Particle.scale.y.</p></td>
</tr>
<tr>
<td class="name"><code>rate</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The rate (in ms) at which the particles will change in scale from min to max, or set to zero to pick a random size between the two.</p></td>
</tr>
<tr>
<td class="name"><code>ease</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
Phaser.Easing.Linear.None
</td>
<td class="description last"><p>If you've set a rate &gt; 0 this is the easing formula applied between the min and max values.</p></td>
</tr>
<tr>
<td class="name"><code>yoyo</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If you've set a rate &gt; 0 you can set if the ease will yoyo or not (i.e. ease back to its original values)</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-652">line 652</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setSize"><span class="type-signature"></span>setSize<span class="signature">(width, height)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>A more compact way of setting the width and height of the emitter.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>width</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The desired width of the emitter (particles are spawned randomly within these dimensions).</p></td>
</tr>
<tr>
<td class="name"><code>height</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The desired height of the emitter.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-550">line 550</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setXSpeed"><span class="type-signature"></span>setXSpeed<span class="signature">(<span class="optional">min</span>, <span class="optional">max</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>A more compact way of setting the X velocity range of the emitter.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>min</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The minimum value for this range.</p></td>
</tr>
<tr>
<td class="name"><code>max</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The maximum value for this range.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-564">line 564</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setYSpeed"><span class="type-signature"></span>setYSpeed<span class="signature">(<span class="optional">min</span>, <span class="optional">max</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>A more compact way of setting the Y velocity range of the emitter.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>min</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The minimum value for this range.</p></td>
</tr>
<tr>
<td class="name"><code>max</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The maximum value for this range.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-580">line 580</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="sort"><span class="type-signature"></span>sort<span class="signature">(<span class="optional">index</span>, <span class="optional">order</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to sort the group according to a particular value and order.
For example to depth sort Sprites for Zelda-style game you might call <code>group.sort('y', Phaser.Group.SORT_ASCENDING)</code> at the bottom of your <code>State.update()</code>.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
'z'
</td>
<td class="description last"><p>The <code>string</code> name of the property you want to sort on. Defaults to the objects z-depth value.</p></td>
</tr>
<tr>
<td class="name"><code>order</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
Phaser.Group.SORT_ASCENDING
</td>
<td class="description last"><p>The <code>Group</code> constant that defines the sort order. Possible values are Phaser.Group.SORT_ASCENDING and Phaser.Group.SORT_DESCENDING.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#sort">Phaser.Group#sort</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-1200">line 1200</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="start"><span class="type-signature"></span>start<span class="signature">(<span class="optional">explode</span>, <span class="optional">lifespan</span>, <span class="optional">frequency</span>, <span class="optional">quantity</span>, <span class="optional">forceQuantity</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Call this function to start emitting particles.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>explode</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
true
</td>
<td class="description last"><p>Whether the particles should all burst out at once (true) or at the frequency given (false).</p></td>
</tr>
<tr>
<td class="name"><code>lifespan</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>How long each particle lives once emitted in ms. 0 = forever.</p></td>
</tr>
<tr>
<td class="name"><code>frequency</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
250
</td>
<td class="description last"><p>Ignored if Explode is set to true. Frequency is how often to emit 1 particle. Value given in ms.</p></td>
</tr>
<tr>
<td class="name"><code>quantity</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>How many particles to launch. 0 = &quot;all of the particles&quot;.</p></td>
</tr>
<tr>
<td class="name"><code>forceQuantity</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>If true and creating a particle flow, the quantity emitted will be forced to the be quantity given in this call.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-422">line 422</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="subAll"><span class="type-signature"></span>subAll<span class="signature">(property, amount, checkAlive, checkVisible)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Subtracts the amount from the given property on all children in this Group.
Group.subAll('x', 10) will minus 10 from the child.x value.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>property</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last"><p>The property to decrement, for example 'body.velocity.x' or 'angle'.</p></td>
</tr>
<tr>
<td class="name"><code>amount</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The amount to subtract from the property. If child.x = 50 then subAll('x', 40) would make child.x = 10.</p></td>
</tr>
<tr>
<td class="name"><code>checkAlive</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true the property will only be changed if the child is alive.</p></td>
</tr>
<tr>
<td class="name"><code>checkVisible</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>If true the property will only be changed if the child is visible.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#subAll">Phaser.Group#subAll</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-870">line 870</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="swap"><span class="type-signature"></span>swap<span class="signature">(child1, child2)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Swaps the position of two children in this Group. Both children must be in this Group.
You cannot swap a child with itself, or swap un-parented children, doing so will return false.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>child1</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The first child to swap.</p></td>
</tr>
<tr>
<td class="name"><code>child2</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="description last"><p>The second child to swap.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#swap">Phaser.Group#swap</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-450">line 450</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="update"><span class="type-signature"></span>update<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Called automatically by the game loop, decides when to launch particles and when to &quot;die&quot;.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Emitter.js.html">particles/arcade/Emitter.js</a>, <a href="Emitter.js.html#sunlight-1-line-250">line 250</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="updateZ"><span class="type-signature">&lt;protected> </span>updateZ<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Internal method that re-applies all of the childrens Z values.</p>
</div>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#updateZ">Phaser.Group#updateZ</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-354">line 354</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="xy"><span class="type-signature"></span>xy<span class="signature">(index, x, y)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Positions the child found at the given index within this Group to the given x and y coordinates.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The index of the child in the Group to set the position of.</p></td>
</tr>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The new x position of the child.</p></td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The new y position of the child.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="inherited-from">Inherited From:</dt>
<dd class="inherited-from"><ul class="dummy"><li>
<a href="Phaser.Group.html#xy">Phaser.Group#xy</a>
</li></dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Group.js.html">core/Group.js</a>, <a href="Group.js.html#sunlight-1-line-557">line 557</a>
</li></ul></dd>
</dl>
</dd>
</dl>
</article>
</section>
</div>
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Phaser Copyright © 2012-2014 Photon Storm Ltd.
</span>
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
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