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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="utf-8">
- <title>JSDoc: Class: Matrix</title>
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- <div id="main">
- <h1 class="page-title">Class: Matrix</h1>
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- <section>
- <header>
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- <h2><span class="attribs"><span class="type-signature"></span></span>Matrix<span class="signature">(values<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h2>
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- <article>
- <div class="container-overview">
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- <h4 class="name" id="Matrix"><span class="type-signature"></span>new Matrix<span class="signature">(values<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h4>
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- <div class="description">
- 2D 3x2 transformation matrix, applied to the canvas elements.
The values of the matrix are stored in a numeric array.
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- <h5>Parameters:</h5>
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- <table class="params">
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- <th>Name</th>
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- <th>Type</th>
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- <th>Attributes</th>
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- <th class="last">Description</th>
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- <tbody>
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- <tr>
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- <td class="name"><code>values</code></td>
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- <td class="type">
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- <span class="param-type">array</span>
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- </td>
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- <td class="attributes">
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- <optional><br>
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- </td>
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- <td class="description last"></td>
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- <dl class="details">
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- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line13">line 13</a>
- </li></ul></dd>
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- <h3 class="subsection-title">Methods</h3>
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- <h4 class="name" id="clone"><span class="type-signature"></span>clone<span class="signature">()</span><span class="type-signature"></span></h4>
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- <div class="description">
- Create a new matrix object with a copy of the content of this one.
- </div>
- <dl class="details">
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- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line38">line 38</a>
- </li></ul></dd>
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- </dl>
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- <h4 class="name" id="compose"><span class="type-signature"></span>compose<span class="signature">(px, py, sx, sy, ox, oy, a)</span><span class="type-signature"></span></h4>
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- <div class="description">
- Compose this transformation matrix with position scale and rotation and origin point.
- </div>
- <h5>Parameters:</h5>
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- <table class="params">
- <thead>
- <tr>
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- <th>Name</th>
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- <th>Type</th>
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- <th class="last">Description</th>
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- <tbody>
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- <td class="name"><code>px</code></td>
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- <td class="type">
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- <span class="param-type">number</span>
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- </td>
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- <td class="description last">Position X</td>
- </tr>
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- <tr>
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- <td class="name"><code>py</code></td>
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- <td class="type">
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- <span class="param-type">number</span>
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- <td class="description last">Position Y</td>
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- <td class="name"><code>sx</code></td>
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- <td class="type">
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- <span class="param-type">number</span>
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- <td class="description last">Scale X</td>
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- <td class="name"><code>sy</code></td>
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- <span class="param-type">number</span>
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- <td class="description last">Scale Y</td>
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- <tr>
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- <td class="name"><code>ox</code></td>
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- <td class="type">
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- <span class="param-type">number</span>
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- <td class="description last">Origin X (applied before scale and rotation)</td>
- </tr>
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- <td class="name"><code>oy</code></td>
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- <td class="type">
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- <span class="param-type">number</span>
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- <td class="description last">Origin Y (applied before scale and rotation)</td>
- </tr>
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- <td class="name"><code>a</code></td>
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- <span class="param-type">number</span>
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- <td class="description last">Rotation angle (radians).</td>
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- <dl class="details">
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- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line96">line 96</a>
- </li></ul></dd>
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- <h4 class="name" id="copy"><span class="type-signature"></span>copy<span class="signature">(mat)</span><span class="type-signature"></span></h4>
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- <div class="description">
- Copy the content of another matrix and store in this one.
- </div>
- <h5>Parameters:</h5>
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- <table class="params">
- <thead>
- <tr>
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- <th>Name</th>
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- <th>Type</th>
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- <th class="last">Description</th>
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- <tbody>
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- <tr>
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- <td class="name"><code>mat</code></td>
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- <td class="type">
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- <span class="param-type"><a href="Matrix.html">Matrix</a></span>
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- </td>
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- <td class="description last"></td>
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- <dl class="details">
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- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line30">line 30</a>
- </li></ul></dd>
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- </dl>
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- <h4 class="name" id="determinant"><span class="type-signature"></span>determinant<span class="signature">()</span><span class="type-signature"></span></h4>
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- Get the matrix determinant.
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- <dl class="details">
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- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line208">line 208</a>
- </li></ul></dd>
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- </dl>
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- <h4 class="name" id="getInverse"><span class="type-signature"></span>getInverse<span class="signature">()</span><span class="type-signature"></span></h4>
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- <div class="description">
- Get the inverse matrix.
- </div>
- <dl class="details">
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- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line216">line 216</a>
- </li></ul></dd>
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- <h4 class="name" id="getPosition"><span class="type-signature"></span>getPosition<span class="signature">()</span><span class="type-signature"> → {<a href="Vector2.html">Vector2</a>}</span></h4>
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- <div class="description">
- Get the position from the transformation matrix.
- </div>
- <dl class="details">
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- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line192">line 192</a>
- </li></ul></dd>
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- </dl>
- <h5>Returns:</h5>
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- <div class="param-desc">
- Position of the matrix transformation.
- </div>
- <dl>
- <dt>
- Type
- </dt>
- <dd>
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- <span class="param-type"><a href="Vector2.html">Vector2</a></span>
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- </dl>
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- <h4 class="name" id="getScale"><span class="type-signature"></span>getScale<span class="signature">()</span><span class="type-signature"> → {<a href="Vector2.html">Vector2</a>}</span></h4>
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- <div class="description">
- Get the scale from the transformation matrix.
- </div>
- <dl class="details">
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- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line182">line 182</a>
- </li></ul></dd>
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- </dl>
- <h5>Returns:</h5>
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- <div class="param-desc">
- Scale of the matrix transformation.
- </div>
- <dl>
- <dt>
- Type
- </dt>
- <dd>
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- <span class="param-type"><a href="Vector2.html">Vector2</a></span>
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- </dl>
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- <h4 class="name" id="identity"><span class="type-signature"></span>identity<span class="signature">()</span><span class="type-signature"></span></h4>
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- <div class="description">
- Reset this matrix to indentity.
- </div>
- <dl class="details">
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- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line46">line 46</a>
- </li></ul></dd>
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- </dl>
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- <h4 class="name" id="multiply"><span class="type-signature"></span>multiply<span class="signature">(mat)</span><span class="type-signature"></span></h4>
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- <div class="description">
- Multiply another matrix by this one and store the result.
- </div>
- <h5>Parameters:</h5>
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- <table class="params">
- <thead>
- <tr>
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- <th>Name</th>
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- <th>Type</th>
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- <th class="last">Description</th>
- </tr>
- </thead>
- <tbody>
-
- <tr>
-
- <td class="name"><code>mat</code></td>
-
- <td class="type">
-
-
- <span class="param-type"><a href="Matrix.html">Matrix</a></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_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line56">line 56</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="premultiply"><span class="type-signature"></span>premultiply<span class="signature">(mat)</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Premultiply another matrix by this one and store the result.
- </div>
- <h5>Parameters:</h5>
-
- <table class="params">
- <thead>
- <tr>
-
- <th>Name</th>
-
- <th>Type</th>
-
-
- <th class="last">Description</th>
- </tr>
- </thead>
- <tbody>
-
- <tr>
-
- <td class="name"><code>mat</code></td>
-
- <td class="type">
-
-
- <span class="param-type"><a href="Matrix.html">Matrix</a></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_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line73">line 73</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="rotate"><span class="type-signature"></span>rotate<span class="signature">(angle)</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Apply rotation to this matrix.
- </div>
- <h5>Parameters:</h5>
-
- <table class="params">
- <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">Angle in radians.</td>
- </tr>
-
- </tbody>
- </table>
- <dl class="details">
-
-
-
-
-
-
-
-
-
-
-
-
-
- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line135">line 135</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="scale"><span class="type-signature"></span>scale<span class="signature">(sx, sy)</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Apply scale to this matrix.
- </div>
- <h5>Parameters:</h5>
-
- <table class="params">
- <thead>
- <tr>
-
- <th>Name</th>
-
- <th>Type</th>
-
-
- <th class="last">Description</th>
- </tr>
- </thead>
- <tbody>
-
- <tr>
-
- <td class="name"><code>sx</code></td>
-
- <td class="type">
-
-
- <span class="param-type">number</span>
-
- </td>
-
-
- <td class="description last"></td>
- </tr>
-
- <tr>
-
- <td class="name"><code>sy</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_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line157">line 157</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="setContextTransform"><span class="type-signature"></span>setContextTransform<span class="signature">()</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Set a canvas context to use this transformation.
- </div>
- <dl class="details">
-
-
-
-
-
-
-
-
-
-
-
-
-
- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line237">line 237</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="setPosition"><span class="type-signature"></span>setPosition<span class="signature">(x, y)</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Set the position of the transformation matrix.
- </div>
- <h5>Parameters:</h5>
-
- <table class="params">
- <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>y</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_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line171">line 171</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="skew"><span class="type-signature"></span>skew<span class="signature">()</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Apply skew to this matrix.
- </div>
- <dl class="details">
-
-
-
-
-
-
-
-
-
-
-
-
-
- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line200">line 200</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="tranformContext"><span class="type-signature"></span>tranformContext<span class="signature">()</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Transform on top of the current context transformation.
- </div>
- <dl class="details">
-
-
-
-
-
-
-
-
-
-
-
-
-
- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line245">line 245</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="transformPoint"><span class="type-signature"></span>transformPoint<span class="signature">()</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Transform a point using this matrix.
- </div>
- <dl class="details">
-
-
-
-
-
-
-
-
-
-
-
-
-
- <dt class="tag-source">Source:</dt>
- <dd class="tag-source"><ul class="dummy"><li>
- <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line226">line 226</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
-
-
-
- <h4 class="name" id="translate"><span class="type-signature"></span>translate<span class="signature">(x, y)</span><span class="type-signature"></span></h4>
-
-
- <div class="description">
- Apply translation to this matrix.
- </div>
- <h5>Parameters:</h5>
-
- <table class="params">
- <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>y</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_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line124">line 124</a>
- </li></ul></dd>
-
-
-
-
- </dl>
-
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- </section>
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