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<!DOCTYPE html>
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<title>Phaser CE Class: ArraySet</title>
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<div class="col-md-9 col-md-offset-3">
<div id="main">
<h1 class="page-title">Class: ArraySet</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="Phaser.html">Phaser</a>.</span>
ArraySet
</h2>
</header>
<article>
<div class="container-overview">
<dt>
<h4 class="name" id="ArraySet" data-name="ArraySet">
<span class="type-signature"></span>new ArraySet( [list])
</h4>
</dt>
<dd>
<div class="description method-description">
<p>ArraySet is a Set data structure (items must be unique within the set) that also maintains order.
This allows specific items to be easily added or removed from the Set.</p>
<p>Item equality (and uniqueness) is determined by the behavior of <code>Array.indexOf</code>.</p>
<p>This used primarily by the Input subsystem.</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>list</code></td>
<td class="type">
<span class="param-type">Array.<any></span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
(new array)
</td>
<td class="description param-description last"><p>The backing array: if specified the items in the list <em>must</em> be unique, per <code>Array.indexOf</code>, and the ownership of the array <em>should</em> be relinquished to the ArraySet.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/utils/ArraySet.js#L19" title="ArraySet on line 19 of src/utils/ArraySet.js">src/utils/ArraySet.js line 19</a>
</dl>
</dd>
</div>
<h3 class="subsection-title">Members</h3>
<dl>
<dt>
<h4 id="first" data-name="first">
<span class="type-signature"></span>first<span class="type-signature"> : any</span>
</h4>
</dt>
<dd>
<div class="description members-description">
<p>Returns the first item and resets the cursor to the start.</p>
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">any</span>
</li>
</ul>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/utils/ArraySet.js#L222" title="first on line 222 of src/utils/ArraySet.js">src/utils/ArraySet.js line 222</a>
</dl>
</dd>
<dt>
<h4 id="list" data-name="list">
<span class="type-signature"></span>list<span class="type-signature"> : Array.<any></span>
</h4>
</dt>
<dd>
<div class="description members-description">
<p>The backing array.</p>
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">Array.<any></span>
</li>
</ul>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/utils/ArraySet.js#L32" title="list on line 32 of src/utils/ArraySet.js">src/utils/ArraySet.js line 32</a>
</dl>
</dd>
<dt>
<h4 id="next" data-name="next">
<span class="type-signature"></span>next<span class="type-signature"> : any</span>
</h4>
</dt>
<dd>
<div class="description members-description">
<p>Returns the the next item (based on the cursor) and advances the cursor.</p>
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">any</span>
</li>
</ul>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/utils/ArraySet.js#L246" title="next on line 246 of src/utils/ArraySet.js">src/utils/ArraySet.js line 246</a>
</dl>
</dd>
<dt>
<h4 id="position" data-name="position">
<span class="type-signature"></span>position<span class="type-signature"> : integer</span>
</h4>
</dt>
<dd>
<div class="description members-description">
<p>Current cursor position as established by <code>first</code> and <code>next</code>.</p>
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">integer</span>
</li>
</ul>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/utils/ArraySet.js#L26" title="position on line 26 of src/utils/ArraySet.js">src/utils/ArraySet.js line 26</a>
</dl>
</dd>
<dt>
<h4 id="total" data-name="total">
<span class="type-signature"></span>total<span class="type-signature"> : integer</span>
</h4>
</dt>
<dd>
<div class="description members-description">
<p>Number of items in the ArraySet. Same as <code>list.length</code>.</p>
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">integer</span>
</li>
</ul>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/utils/ArraySet.js#L207" title="total on line 207 of src/utils/ArraySet.js">src/utils/ArraySet.js line 207</a>
</dl>
</dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<dl>
<dt>
<h4 class="name" id="add" data-name="add">
<span class="type-signature"></span>add(item)
</h4>
</dt>
<dd>
<div class="description method-description">
<p>Adds a new element to the end of the list.
If the item already exists in the list it is not moved.</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>item</code></td>
<td class="type">
<span class="param-type">any</span>
</td>
<td class="description param-description last"><p>The element to add to this list.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/utils/ArraySet.js#L37" title="add on line 37 of src/utils/ArraySet.js">src/utils/ArraySet.js line 37</a>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The item that was added.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">any</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="callAll" data-name="callAll">
<span class="type-signature"></span>callAll(key, parameter)
</h4>
</dt>
<dd>
<div class="description method-description">
<p>Calls a function on all members of this list, using the member as the context for the callback.</p>
<p>If the <code>key</code> property is present it must be a function.
The function is invoked using the item as the context.</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>key</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="description param-description last"><p>The name of the property with the function to call.</p></td>
</tr>
<tr>
<td class="name"><code>parameter</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
<repeatable><br>
</td>
<td class="description param-description last"><p>Additional parameters that will be passed to the callback.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">