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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Phaser Class: Math</title>
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<div id="main">
<h1 class="page-title">Class: Math</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="Phaser.html">Phaser</a>.</span>
Math
</h2>
</header>
<article>
<div class="container-overview">
<dt>
<h4 class="name" id="Math"><span class="type-signature"></span>new Math<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>A collection of mathematical methods.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Math.js.html">math/Math.js</a>, <a href="Math.js.html#sunlight-1-line-3">line 3</a>
</li></ul></dd>
</dl>
</dd>
</div>
<h3 class="subsection-title">Methods</h3>
<dl>
<dt>
<h4 class="name" id="angleBetween"><span class="type-signature"></span>angleBetween<span class="signature">(x1, y1, x2, y2)</span><span class="type-signature"> → {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Find the angle of a segment from (x1, y1) -> (x2, y2 ).</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>x1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>y1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>x2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>y2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Math.js.html">math/Math.js</a>, <a href="Math.js.html#sunlight-1-line-329">line 329</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="angleLimit"><span class="type-signature"></span>angleLimit<span class="signature">(angle, min, max)</span><span class="type-signature"> → {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Keeps an angle value between the given min and max values.</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>angle</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The angle value to check. Must be between -180 and +180.</p></td>
</tr>
<tr>
<td class="name"><code>min</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The minimum angle that is allowed (must be -180 or greater).</p></td>
</tr>
<tr>
<td class="name"><code>max</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The maximum angle that is allowed (must be 180 or less).</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Math.js.html">math/Math.js</a>, <a href="Math.js.html#sunlight-1-line-679">line 679</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The new angle value, returns the same as the input angle if it was within bounds</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="average"><span class="type-signature"></span>average<span class="signature">()</span><span class="type-signature"> → {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Averages all values passed to the function and returns the result. You can pass as many parameters as you like.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Math.js.html">math/Math.js</a>, <a href="Math.js.html#sunlight-1-line-81">line 81</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The average of all given values.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="bernstein"><span class="type-signature"></span>bernstein<span class="signature">(n, i)</span><span class="type-signature"> → {number}</span></h4>
</dt>
<dd>
<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>n</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>i</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
<dl class="details">