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phaser/v2-community/docs/Phaser.Math.html
photonstorm f30385e1ec Fixes #2837
2016-12-05 10:06:09 +00:00

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<a href="global.html#Phaser.Path#numPointsreturn%257Bnumber%257DThetotalnumberofPathPointsinthisPath.">Phaser.Path#numPoints
return {number} The total number of PathPoints in this Path.</a>
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<div class="row-fluid">
<div class="span8">
<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 useful mathematical functions.</p>
<p>These are normally accessed through <code>game.math</code>.</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-17">line 17</a>
</dt>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li><a href="Phaser.Utils.html">Phaser.Utils</a></li>
<li><a href="Phaser.ArrayUtils.html">Phaser.ArrayUtils</a></li>
</ul>
</dd>
</dl>
</dd>
</div>
<h3 class="subsection-title">Members</h3>
<dl>
<dt>
<h4 class="name "
id=".DEG_TO_RAD"><span class="type-signature">&lt;static> </span>DEG_TO_RAD<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Degrees to Radians factor.</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>Phaser.Math#DEG_TO_RAD</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 -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-30">line 30</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id=".PI2"><span class="type-signature">&lt;static> </span>PI2<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Twice PI.</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>Phaser.Math#PI2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>~6.283</li></ul></dd>
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-24">line 24</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id=".RAD_TO_DEG"><span class="type-signature">&lt;static> </span>RAD_TO_DEG<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Degrees to Radians factor.</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>Phaser.Math#RAD_TO_DEG</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 -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-36">line 36</a>
</dt>
</dl>
</dd>
</dl>
<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"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Find the angle of a segment from (x1, y1) -&gt; (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"><p>The x coordinate of the first value.</p></td>
</tr>
<tr>
<td class="name"><code>y1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The y coordinate of the first value.</p></td>
</tr>
<tr>
<td class="name"><code>x2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The x coordinate of the second value.</p></td>
</tr>
<tr>
<td class="name"><code>y2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The y coordinate of the second value.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The angle, in radians.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-534">line 534</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="angleBetweenPoints"><span class="type-signature"></span>angleBetweenPoints<span class="signature">(point1, point2)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Find the angle of a segment from (point1.x, point1.y) -&gt; (point2.x, point2.y).</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>point1</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 first point.</p></td>
</tr>
<tr>
<td class="name"><code>point2</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 second point.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The angle between the two points, in radians.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-569">line 569</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="angleBetweenPointsY"><span class="type-signature"></span>angleBetweenPointsY<span class="signature">(point1, point2)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Find the angle of a segment from (point1.x, point1.y) -&gt; (point2.x, point2.y).</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>point1</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>point2</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The angle, in radians.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-583">line 583</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="angleBetweenY"><span class="type-signature"></span>angleBetweenY<span class="signature">(x1, y1, x2, y2)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Find the angle of a segment from (x1, y1) -&gt; (x2, y2).</p>
<p>The difference between this method and Math.angleBetween is that this assumes the y coordinate travels<br>down the screen.</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"><p>The x coordinate of the first value.</p></td>
</tr>
<tr>
<td class="name"><code>y1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The y coordinate of the first value.</p></td>
</tr>
<tr>
<td class="name"><code>x2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The x coordinate of the second value.</p></td>
</tr>
<tr>
<td class="name"><code>y2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The y coordinate of the second value.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The angle, in radians.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-550">line 550</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="average"><span class="type-signature"></span>average<span class="signature">()</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Averages all values passed to the function and returns the result.</p>
</div>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The average of all given values.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-253">line 253</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="bernstein"><span class="type-signature">&lt;internal> </span>bernstein<span class="signature">(n, i)</span><span class="type-signature"> &rarr; {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>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
</div>
</div>
<dl class="details">
<dt class="important tag-deprecated">Internal:</dt>
<dd class="tag-deprecated"><ul>
<li>This member is <em>internal (protected)</em> and may be modified or removed in the future.</li>
</ul></dd>
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-976">line 976</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="between"><span class="type-signature"></span>between<span class="signature">(min, max)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns a random integer in the range <code>[min, max]</code>. If these parameters are not in order than they will be put in order.<br>Default is 0 for <code>min</code> and 1 for <code>max</code>.</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>min</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The minimum value. Must be a Number.</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 value. Must be a Number.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>An integer between min (inclusive) and max (inclusive).</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-137">line 137</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="bezierInterpolation"><span class="type-signature"></span>bezierInterpolation<span class="signature">(v, k)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>A Bezier Interpolation Method, mostly used by Phaser.Tween.</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>v</code></td>
<td class="type">
<span class="param-type">Array</span>
</td>
<td class="description last"><p>The input array of values to interpolate between.</p></td>
</tr>
<tr>
<td class="name"><code>k</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The percentage of interpolation, between 0 and 1.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The interpolated value</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-899">line 899</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="catmullRom"><span class="type-signature">&lt;internal> </span>catmullRom<span class="signature">(p0, p1, p2, p3, t)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Calculates a catmum rom 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>p0</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>p1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>p2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>p3</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>t</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
</div>
</div>
<dl class="details">
<dt class="important tag-deprecated">Internal:</dt>
<dd class="tag-deprecated"><ul>
<li>This member is <em>internal (protected)</em> and may be modified or removed in the future.</li>
</ul></dd>
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1012">line 1012</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="catmullRomInterpolation"><span class="type-signature"></span>catmullRomInterpolation<span class="signature">(v, k)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>A Catmull Rom Interpolation Method, mostly used by Phaser.Tween.</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>v</code></td>
<td class="type">
<span class="param-type">Array</span>
</td>
<td class="description last"><p>The input array of values to interpolate between.</p></td>
</tr>
<tr>
<td class="name"><code>k</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The percentage of interpolation, between 0 and 1.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The interpolated value</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-921">line 921</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="ceilTo"><span class="type-signature"></span>ceilTo<span class="signature">(value, <span class="optional">place</span>, <span class="optional">base</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Ceils to some place comparative to a <code>base</code>, default is 10 for decimal place.<br>The <code>place</code> is represented by the power applied to <code>base</code> to get that place.</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>value</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 value to round.</p></td>
</tr>
<tr>
<td class="name"><code>place</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 place to round to.</p></td>
</tr>
<tr>
<td class="name"><code>base</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
10
</td>
<td class="description last"><p>The base to round in. Default is 10 for decimal.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The rounded value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-432">line 432</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="clamp"><span class="type-signature"></span>clamp<span class="signature">(v, min, max)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Force a value within the boundaries by clamping it to the range <code>min</code>, <code>max</code>.</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>v</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The value to be clamped.</p></td>
</tr>
<tr>
<td class="name"><code>min</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The minimum bounds.</p></td>
</tr>
<tr>
<td class="name"><code>max</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The maximum bounds.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The clamped value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1158">line 1158</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="clampBottom"><span class="type-signature"></span>clampBottom<span class="signature">(x, a)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Clamp <code>x</code> to the range <code>[a, Infinity)</code>.<br>Roughly the same as <code>Math.max(x, a)</code>, except for NaN handling.</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>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>a</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1184">line 1184</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="degToRad"><span class="type-signature"></span>degToRad<span class="signature">(degrees)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Convert degrees to radians.</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>degrees</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Angle in degrees.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>Angle in radians.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-38">line 38</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="difference"><span class="type-signature"></span>difference<span class="signature">(a, b)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>The absolute difference between two 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>a</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The first value to check.</p></td>
</tr>
<tr>
<td class="name"><code>b</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The second value to check.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The absolute difference between the two values.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1032">line 1032</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="distance"><span class="type-signature"></span>distance<span class="signature">(x1, y1, x2, y2)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns the euclidian distance between the two given set of 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>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>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The distance between the two sets of coordinates.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1100">line 1100</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="distancePow"><span class="type-signature"></span>distancePow<span class="signature">(x1, y1, x2, y2, <span class="optional">pow</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns the distance between the two given set of coordinates at the power given.</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>x1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="default">
</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="attributes">
</td>
<td class="default">
</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="attributes">
</td>
<td class="default">
</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="attributes">
</td>
<td class="default">
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>pow</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
2
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The distance between the two sets of coordinates.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1139">line 1139</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="distanceSq"><span class="type-signature"></span>distanceSq<span class="signature">(x1, y1, x2, y2)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns the euclidean distance squared between the two given set of<br>coordinates (cuts out a square root operation before returning).</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>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The distance squared between the two sets of coordinates.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1119">line 1119</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="factorial"><span class="type-signature"></span>factorial<span class="signature">(value)</span><span class="type-signature"> &rarr; {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>value</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>the number you want to evaluate</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-989">line 989</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="floorTo"><span class="type-signature"></span>floorTo<span class="signature">(value, <span class="optional">place</span>, <span class="optional">base</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Floors to some place comparative to a <code>base</code>, default is 10 for decimal place.<br>The <code>place</code> is represented by the power applied to <code>base</code> to get that place.</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>value</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 value to round.</p></td>
</tr>
<tr>
<td class="name"><code>place</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 place to round to.</p></td>
</tr>
<tr>
<td class="name"><code>base</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
10
</td>
<td class="description last"><p>The base to round in. Default is 10 for decimal.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The rounded value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-411">line 411</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="fuzzyCeil"><span class="type-signature"></span>fuzzyCeil<span class="signature">(val, <span class="optional">epsilon</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Applies a fuzzy ceil to 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>val</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 value to ceil.</p></td>
</tr>
<tr>
<td class="name"><code>epsilon</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0.0001
</td>
<td class="description last"><p>The epsilon (a small value used in the calculation)</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>ceiling(val-epsilon)</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-221">line 221</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="fuzzyEqual"><span class="type-signature"></span>fuzzyEqual<span class="signature">(a, b, <span class="optional">epsilon</span>)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Two number are fuzzyEqual if their difference is less than epsilon.</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>a</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 first number to compare.</p></td>
</tr>
<tr>
<td class="name"><code>b</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 second number to compare.</p></td>
</tr>
<tr>
<td class="name"><code>epsilon</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0.0001
</td>
<td class="description last"><p>The epsilon (a small value used in the calculation)</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if |a-b|&lt;epsilon</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-170">line 170</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="fuzzyFloor"><span class="type-signature"></span>fuzzyFloor<span class="signature">(val, <span class="optional">epsilon</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Applies a fuzzy floor to 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>val</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 value to floor.</p></td>
</tr>
<tr>
<td class="name"><code>epsilon</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0.0001
</td>
<td class="description last"><p>The epsilon (a small value used in the calculation)</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>floor(val+epsilon)</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-237">line 237</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="fuzzyGreaterThan"><span class="type-signature"></span>fuzzyGreaterThan<span class="signature">(a, b, <span class="optional">epsilon</span>)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p><code>a</code> is fuzzyGreaterThan <code>b</code> if it is more than b - epsilon.</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>a</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 first number to compare.</p></td>
</tr>
<tr>
<td class="name"><code>b</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 second number to compare.</p></td>
</tr>
<tr>
<td class="name"><code>epsilon</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0.0001
</td>
<td class="description last"><p>The epsilon (a small value used in the calculation)</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if a&gt;b+epsilon</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-204">line 204</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="fuzzyLessThan"><span class="type-signature"></span>fuzzyLessThan<span class="signature">(a, b, <span class="optional">epsilon</span>)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p><code>a</code> is fuzzyLessThan <code>b</code> if it is less than b + epsilon.</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>a</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 first number to compare.</p></td>
</tr>
<tr>
<td class="name"><code>b</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 second number to compare.</p></td>
</tr>
<tr>
<td class="name"><code>epsilon</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0.0001
</td>
<td class="description last"><p>The epsilon (a small value used in the calculation)</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if a&lt;b+epsilon</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-187">line 187</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="getNextPowerOfTwo"><span class="type-signature"></span>getNextPowerOfTwo<span class="signature">(value)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Given a number, this function returns the closest number that is a power of two.<br>This function is from the Starling Framework.</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>value</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The value to get the closest power of two from.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The closest number that is a power of two.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-64">line 64</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="getShortestAngle"><span class="type-signature"></span>getShortestAngle<span class="signature">(angle1, angle2)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Gets the shortest angle between <code>angle1</code> and <code>angle2</code>.<br>Both angles must be in the range -180 to 180, which is the same clamped<br>range that <code>sprite.angle</code> uses, so you can pass in two sprite angles to<br>this method, and get the shortest angle back between the two of them.</p>
<p>The angle returned will be in the same range. If the returned angle is<br>greater than 0 then it's a counter-clockwise rotation, if &lt; 0 then it's<br>a clockwise rotation.</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>angle1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The first angle. In the range -180 to 180.</p></td>
</tr>
<tr>
<td class="name"><code>angle2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The second angle. In the range -180 to 180.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The shortest angle, in degrees. If greater than zero it's a counter-clockwise rotation.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-504">line 504</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="isEven"><span class="type-signature"></span>isEven<span class="signature">(n)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns true if the number given is even.</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>n</code></td>
<td class="type">
<span class="param-type">integer</span>
</td>
<td class="description last"><p>The number to check.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if the given number is even. False if the given number is odd.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-719">line 719</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="isOdd"><span class="type-signature"></span>isOdd<span class="signature">(n)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns true if the number given is odd.</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>n</code></td>
<td class="type">
<span class="param-type">integer</span>
</td>
<td class="description last"><p>The number to check.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if the given number is odd. False if the given number is even.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-705">line 705</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="isPowerOfTwo"><span class="type-signature"></span>isPowerOfTwo<span class="signature">(width, height)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Checks if the given dimensions make a power of two texture.</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 width to check.</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 height to check.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if the width and height are a power of two.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-93">line 93</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="linear"><span class="type-signature"></span>linear<span class="signature">(p0, p1, t)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Calculates a linear (interpolation) value over t.</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>p0</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>p1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>t</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>A value between 0 and 1.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-961">line 961</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="linearInterpolation"><span class="type-signature"></span>linearInterpolation<span class="signature">(v, k)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>A Linear Interpolation Method, mostly used by Phaser.Tween.</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>v</code></td>
<td class="type">
<span class="param-type">Array</span>
</td>
<td class="description last"><p>The input array of values to interpolate between.</p></td>
</tr>
<tr>
<td class="name"><code>k</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The percentage of interpolation, between 0 and 1.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The interpolated value</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-871">line 871</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="mapLinear"><span class="type-signature"></span>mapLinear<span class="signature">(x, a1, a2, b1, b2)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Linear mapping from range <a1, a2> to range <b1, b2></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>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The value to map</p></td>
</tr>
<tr>
<td class="name"><code>a1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>First endpoint of the range <a1, a2></p></td>
</tr>
<tr>
<td class="name"><code>a2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Final endpoint of the range <a1, a2></p></td>
</tr>
<tr>
<td class="name"><code>b1</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>First endpoint of the range <b1, b2></p></td>
</tr>
<tr>
<td class="name"><code>b2</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Final endpoint of the range <b1, b2></p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1215">line 1215</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="max"><span class="type-signature"></span>max<span class="signature">()</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Variation of Math.max that can be passed either an array of numbers or the numbers as parameters.</p>
<p>Prefer the standard <code>Math.max</code> function when appropriate.</p>
</div>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The largest value from those given.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-765">line 765</a>
</dt>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li><a href="http://jsperf.com/math-s-min-max-vs-homemade">http://jsperf.com/math-s-min-max-vs-homemade</a></li>
</ul>
</dd>
</dl>
</dd>
<dt>
<h4 class="name "
id="maxAdd"><span class="type-signature"></span>maxAdd<span class="signature">(value, amount, max)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Adds the given amount to the value, but never lets the value go over the specified maximum.</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>value</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The value to add the amount to.</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 add to the value.</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 the value is allowed to be.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The new value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-621">line 621</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="maxProperty"><span class="type-signature"></span>maxProperty<span class="signature">()</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Variation of Math.max that can be passed a property and either an array of objects or the objects as parameters.<br>It will find the largest matching property value from the given objects.</p>
</div>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The largest value from those given.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-827">line 827</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="min"><span class="type-signature"></span>min<span class="signature">()</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Variation of Math.min that can be passed either an array of numbers or the numbers as parameters.</p>
<p>Prefer the standard <code>Math.min</code> function when appropriate.</p>
</div>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The lowest value from those given.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-733">line 733</a>
</dt>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li><a href="http://jsperf.com/math-s-min-max-vs-homemade">http://jsperf.com/math-s-min-max-vs-homemade</a></li>
</ul>
</dd>
</dl>
</dd>
<dt>
<h4 class="name "
id="minProperty"><span class="type-signature"></span>minProperty<span class="signature">()</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Variation of Math.min that can be passed a property and either an array of objects or the objects as parameters.<br>It will find the lowest matching property value from the given objects.</p>
</div>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The lowest value from those given.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-797">line 797</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="minSub"><span class="type-signature"></span>minSub<span class="signature">(value, amount, min)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Subtracts the given amount from the value, but never lets the value go below the specified minimum.</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>value</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The base value.</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 base value.</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 the value is allowed to be.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The new value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-636">line 636</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="normalizeAngle"><span class="type-signature"></span>normalizeAngle<span class="signature">(angleRad)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Normalizes an angle to the [0,2pi) range.</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>angleRad</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The angle to normalize, in radians.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The angle, fit within the [0,2pi] range, in radians.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-608">line 608</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="percent"><span class="type-signature"></span>percent<span class="signature">(a, b, <span class="optional">base</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Work out what percentage value <code>a</code> is of value <code>b</code> using the given base.</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>a</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 value to work out the percentage for.</p></td>
</tr>
<tr>
<td class="name"><code>b</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 value you wish to get the percentage of.</p></td>
</tr>
<tr>
<td class="name"><code>base</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 base value.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The percentage a is of b, between 0 and 1.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1283">line 1283</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="radToDeg"><span class="type-signature"></span>radToDeg<span class="signature">(radians)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Convert radians to degrees.</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>radians</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Angle in radians.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>Angle in degrees</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-51">line 51</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="random"><span class="type-signature"></span>random<span class="signature">(min, max)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns a random float in the range <code>[min, max)</code>. If these parameters are not in order than they will be put in order.<br>Default is 0 for <code>min</code> and 1 for <code>max</code>.</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>min</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The minimum value. Must be a Number.</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 value. Must be a Number.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>A floating point number between min (inclusive) and max (exclusive).</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-107">line 107</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="reverseAngle"><span class="type-signature"></span>reverseAngle<span class="signature">(angleRad)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Reverses an angle.</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>angleRad</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The angle to reverse, in radians.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The reverse angle, in radians.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-596">line 596</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="rotateToAngle"><span class="type-signature"></span>rotateToAngle<span class="signature">(currentAngle, targetAngle, <span class="optional">lerp</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Rotates currentAngle towards targetAngle, taking the shortest rotation distance.<br>The lerp argument is the amount to rotate by in this call.</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>currentAngle</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 current angle, in radians.</p></td>
</tr>
<tr>
<td class="name"><code>targetAngle</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 target angle to rotate to, in radians.</p></td>
</tr>
<tr>
<td class="name"><code>lerp</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0.05
</td>
<td class="description last"><p>The lerp value to add to the current angle.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The adjusted angle.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-453">line 453</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="roundAwayFromZero"><span class="type-signature"></span>roundAwayFromZero<span class="signature">(value)</span><span class="type-signature"> &rarr; {integer}</span></h4>
</dt>
<dd>
<div class="description">
<p>Round to the next whole number <em>away</em> from zero.</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>value</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Any number.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">integer</span>
-
</div>
<div class="returns-desc param-desc">
<p>The rounded value of that number.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1046">line 1046</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="roundTo"><span class="type-signature"></span>roundTo<span class="signature">(value, <span class="optional">place</span>, <span class="optional">base</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Round to some place comparative to a <code>base</code>, default is 10 for decimal place.<br>The <code>place</code> is represented by the power applied to <code>base</code> to get that place.</p>
<pre class="prettyprint source"><code>e.g. 2000/7 ~= 285.714285714285714285714 ~= (bin)100011101.1011011011011011
roundTo(2000/7,3) === 0
roundTo(2000/7,2) == 300
roundTo(2000/7,1) == 290
roundTo(2000/7,0) == 286
roundTo(2000/7,-1) == 285.7
roundTo(2000/7,-2) == 285.71
roundTo(2000/7,-3) == 285.714
roundTo(2000/7,-4) == 285.7143
roundTo(2000/7,-5) == 285.71429
roundTo(2000/7,3,2) == 288 -- 100100000
roundTo(2000/7,2,2) == 284 -- 100011100
roundTo(2000/7,1,2) == 286 -- 100011110
roundTo(2000/7,0,2) == 286 -- 100011110
roundTo(2000/7,-1,2) == 285.5 -- 100011101.1
roundTo(2000/7,-2,2) == 285.75 -- 100011101.11
roundTo(2000/7,-3,2) == 285.75 -- 100011101.11
roundTo(2000/7,-4,2) == 285.6875 -- 100011101.1011
roundTo(2000/7,-5,2) == 285.71875 -- 100011101.10111</code></pre><p>Note what occurs when we round to the 3rd space (8ths place), 100100000, this is to be assumed<br>because we are rounding 100011.1011011011011011 which rounds up.</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>value</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 value to round.</p></td>
</tr>
<tr>
<td class="name"><code>place</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 place to round to.</p></td>
</tr>
<tr>
<td class="name"><code>base</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
10
</td>
<td class="description last"><p>The base to round in. Default is 10 for decimal.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The rounded value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-365">line 365</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="shear"><span class="type-signature"></span>shear<span class="signature">(n)</span><span class="type-signature"> &rarr; {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>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>n mod 1</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-274">line 274</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="sign"><span class="type-signature"></span>sign<span class="signature">(x)</span><span class="type-signature"> &rarr; {integer}</span></h4>
</dt>
<dd>
<div class="description">
<p>A value representing the sign of the value: -1 for negative, +1 for positive, 0 if value is 0.</p>
<p>This works differently from <code>Math.sign</code> for values of NaN and -0, etc.</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>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">integer</span>
-
</div>
<div class="returns-desc param-desc">
<p>An integer in {-1, 0, 1}</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1268">line 1268</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="sinCosGenerator"><span class="type-signature"></span>sinCosGenerator<span class="signature">(length, sinAmplitude, cosAmplitude, frequency)</span><span class="type-signature"> &rarr; {Object}</span></h4>
</dt>
<dd>
<div class="description">
<p>Generate a sine and cosine table simultaneously and extremely quickly.<br>The parameters allow you to specify the length, amplitude and frequency of the wave.<br>This generator is fast enough to be used in real-time.<br>Code based on research by Franky of scene.at</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>length</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The length of the wave</p></td>
</tr>
<tr>
<td class="name"><code>sinAmplitude</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The amplitude to apply to the sine table (default 1.0) if you need values between say -+ 125 then give 125 as the value</p></td>
</tr>
<tr>
<td class="name"><code>cosAmplitude</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The amplitude to apply to the cosine table (default 1.0) if you need values between say -+ 125 then give 125 as the value</p></td>
</tr>
<tr>
<td class="name"><code>frequency</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The frequency of the sine and cosine table data</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">Object</span>
-
</div>
<div class="returns-desc param-desc">
<p>Returns the table data.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1060">line 1060</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="smootherstep"><span class="type-signature"></span>smootherstep<span class="signature">(x, min, max)</span><span class="type-signature"> &rarr; {float}</span></h4>
</dt>
<dd>
<div class="description">
<p>Smootherstep function as detailed at http://en.wikipedia.org/wiki/Smoothstep</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>x</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The input value.</p></td>
</tr>
<tr>
<td class="name"><code>min</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The left edge. Should be smaller than the right edge.</p></td>
</tr>
<tr>
<td class="name"><code>max</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The right edge.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">float</span>
-
</div>
<div class="returns-desc param-desc">
<p>A value between 0 and 1.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1251">line 1251</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="smoothstep"><span class="type-signature"></span>smoothstep<span class="signature">(x, min, max)</span><span class="type-signature"> &rarr; {float}</span></h4>
</dt>
<dd>
<div class="description">
<p>Smoothstep function as detailed at http://en.wikipedia.org/wiki/Smoothstep</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>x</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The input value.</p></td>
</tr>
<tr>
<td class="name"><code>min</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The left edge. Should be smaller than the right edge.</p></td>
</tr>
<tr>
<td class="name"><code>max</code></td>
<td class="type">
<span class="param-type">float</span>
</td>
<td class="description last"><p>The right edge.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">float</span>
-
</div>
<div class="returns-desc param-desc">
<p>A value between 0 and 1.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1232">line 1232</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="snapTo"><span class="type-signature"></span>snapTo<span class="signature">(input, gap, <span class="optional">start</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Snap a value to nearest grid slice, using rounding.</p>
<p>Example: if you have an interval gap of 5 and a position of 12... you will snap to 10 whereas 14 will snap to 15.</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>input</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 value to snap.</p></td>
</tr>
<tr>
<td class="name"><code>gap</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 interval gap of the grid.</p></td>
</tr>
<tr>
<td class="name"><code>start</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>Optional starting offset for gap.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The snapped value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-285">line 285</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="snapToCeil"><span class="type-signature"></span>snapToCeil<span class="signature">(input, gap, <span class="optional">start</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Snap a value to nearest grid slice, using ceil.</p>
<p>Example: if you have an interval gap of 5 and a position of 12... you will snap to 15.<br>As will 14 will snap to 15... but 16 will snap to 20.</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>input</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 value to snap.</p></td>
</tr>
<tr>
<td class="name"><code>gap</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 interval gap of the grid.</p></td>
</tr>
<tr>
<td class="name"><code>start</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>Optional starting offset for gap.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The snapped value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-338">line 338</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="snapToFloor"><span class="type-signature"></span>snapToFloor<span class="signature">(input, gap, <span class="optional">start</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Snap a value to nearest grid slice, using floor.</p>
<p>Example: if you have an interval gap of 5 and a position of 12... you will snap to 10.<br>As will 14 snap to 10... but 16 will snap to 15.</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>input</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 value to snap.</p></td>
</tr>
<tr>
<td class="name"><code>gap</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 interval gap of the grid.</p></td>
</tr>
<tr>
<td class="name"><code>start</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>Optional starting offset for gap.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The snapped value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-311">line 311</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="within"><span class="type-signature"></span>within<span class="signature">(a, b, tolerance)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Checks if two values are within the given tolerance of each other.</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">number</span>
</td>
<td class="description last"><p>The first number to check</p></td>
</tr>
<tr>
<td class="name"><code>b</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The second number to check</p></td>
</tr>
<tr>
<td class="name"><code>tolerance</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The tolerance. Anything equal to or less than this is considered within the range.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if a is &lt;= tolerance of b.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-1199">line 1199</a>
</dt>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li>Phaser.Math.fuzzyEqual</li>
</ul>
</dd>
</dl>
</dd>
<dt>
<h4 class="name "
id="wrap"><span class="type-signature"></span>wrap<span class="signature">(value, min, max)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Ensures that the value always stays between min and max, by wrapping the value around.</p>
<p>If <code>max</code> is not larger than <code>min</code> the result is 0.</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>value</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The value to wrap.</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 the value is allowed to be.</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 the value is allowed to be, should be larger than <code>min</code>.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The wrapped value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-651">line 651</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="wrapAngle"><span class="type-signature"></span>wrapAngle<span class="signature">(angle, <span class="optional">radians</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Keeps an angle value between -180 and +180; or -PI and PI if radians.</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>angle</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 angle value to wrap</p></td>
</tr>
<tr>
<td class="name"><code>radians</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>Set to <code>true</code> if the angle is given in radians, otherwise degrees is expected.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The new angle value; will be the same as the input angle if it was within bounds.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-857">line 857</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="wrapValue"><span class="type-signature"></span>wrapValue<span class="signature">(value, amount, max)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Adds value to amount and ensures that the result always stays between 0 and max, by wrapping the value around.</p>
<p>Values <em>must</em> be positive integers, and are passed through Math.abs. See <a href="Phaser.Math.html#wrap">Phaser.Math#wrap</a> for an alternative.</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>value</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The value to add the amount to.</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 add to the value.</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 the value is allowed to be.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">number</span>
-
</div>
<div class="returns-desc param-desc">
<p>The wrapped value.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="src_math_Math.js.html">math/Math.js</a>, <a href="src_math_Math.js.html#sunlight-1-line-682">line 682</a>
</dt>
</dl>
</dd>
</dl>
</article>
</section>
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Phaser Copyright © 2012-2016 Photon Storm Ltd.
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