phaser/docs/Phaser.Math.html at 34736fbde5e28ef72ec27069de985a36406e682e · ITCSsDeveloper/phaser · GitHub

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<!DOCTYPE html>

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	<title>Phaser Class: Math</title>

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	<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"> &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"></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"> &rarr; {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"> &rarr; {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"> &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>