Matrix.html 24 KB

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  1. <!DOCTYPE html>
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  4. <meta charset="utf-8">
  5. <title>JSDoc: Class: Matrix</title>
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  14. <body>
  15. <div id="main">
  16. <h1 class="page-title">Class: Matrix</h1>
  17. <section>
  18. <header>
  19. <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>
  20. </header>
  21. <article>
  22. <div class="container-overview">
  23. <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>
  24. <div class="description">
  25. 2D 3x2 transformation matrix, applied to the canvas elements. The values of the matrix are stored in a numeric array.
  26. </div>
  27. <h5>Parameters:</h5>
  28. <table class="params">
  29. <thead>
  30. <tr>
  31. <th>Name</th>
  32. <th>Type</th>
  33. <th>Attributes</th>
  34. <th class="last">Description</th>
  35. </tr>
  36. </thead>
  37. <tbody>
  38. <tr>
  39. <td class="name"><code>values</code></td>
  40. <td class="type">
  41. <span class="param-type">array</span>
  42. </td>
  43. <td class="attributes">
  44. &lt;optional><br>
  45. </td>
  46. <td class="description last"></td>
  47. </tr>
  48. </tbody>
  49. </table>
  50. <dl class="details">
  51. <dt class="tag-source">Source:</dt>
  52. <dd class="tag-source"><ul class="dummy"><li>
  53. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line13">line 13</a>
  54. </li></ul></dd>
  55. </dl>
  56. </div>
  57. <h3 class="subsection-title">Methods</h3>
  58. <h4 class="name" id="clone"><span class="type-signature"></span>clone<span class="signature">()</span><span class="type-signature"></span></h4>
  59. <div class="description">
  60. Create a new matrix object with a copy of the content of this one.
  61. </div>
  62. <dl class="details">
  63. <dt class="tag-source">Source:</dt>
  64. <dd class="tag-source"><ul class="dummy"><li>
  65. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line38">line 38</a>
  66. </li></ul></dd>
  67. </dl>
  68. <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>
  69. <div class="description">
  70. Compose this transformation matrix with position scale and rotation and origin point.
  71. </div>
  72. <h5>Parameters:</h5>
  73. <table class="params">
  74. <thead>
  75. <tr>
  76. <th>Name</th>
  77. <th>Type</th>
  78. <th class="last">Description</th>
  79. </tr>
  80. </thead>
  81. <tbody>
  82. <tr>
  83. <td class="name"><code>px</code></td>
  84. <td class="type">
  85. <span class="param-type">number</span>
  86. </td>
  87. <td class="description last">Position X</td>
  88. </tr>
  89. <tr>
  90. <td class="name"><code>py</code></td>
  91. <td class="type">
  92. <span class="param-type">number</span>
  93. </td>
  94. <td class="description last">Position Y</td>
  95. </tr>
  96. <tr>
  97. <td class="name"><code>sx</code></td>
  98. <td class="type">
  99. <span class="param-type">number</span>
  100. </td>
  101. <td class="description last">Scale X</td>
  102. </tr>
  103. <tr>
  104. <td class="name"><code>sy</code></td>
  105. <td class="type">
  106. <span class="param-type">number</span>
  107. </td>
  108. <td class="description last">Scale Y</td>
  109. </tr>
  110. <tr>
  111. <td class="name"><code>ox</code></td>
  112. <td class="type">
  113. <span class="param-type">number</span>
  114. </td>
  115. <td class="description last">Origin X (applied before scale and rotation)</td>
  116. </tr>
  117. <tr>
  118. <td class="name"><code>oy</code></td>
  119. <td class="type">
  120. <span class="param-type">number</span>
  121. </td>
  122. <td class="description last">Origin Y (applied before scale and rotation)</td>
  123. </tr>
  124. <tr>
  125. <td class="name"><code>a</code></td>
  126. <td class="type">
  127. <span class="param-type">number</span>
  128. </td>
  129. <td class="description last">Rotation angle (radians).</td>
  130. </tr>
  131. </tbody>
  132. </table>
  133. <dl class="details">
  134. <dt class="tag-source">Source:</dt>
  135. <dd class="tag-source"><ul class="dummy"><li>
  136. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line96">line 96</a>
  137. </li></ul></dd>
  138. </dl>
  139. <h4 class="name" id="copy"><span class="type-signature"></span>copy<span class="signature">(mat)</span><span class="type-signature"></span></h4>
  140. <div class="description">
  141. Copy the content of another matrix and store in this one.
  142. </div>
  143. <h5>Parameters:</h5>
  144. <table class="params">
  145. <thead>
  146. <tr>
  147. <th>Name</th>
  148. <th>Type</th>
  149. <th class="last">Description</th>
  150. </tr>
  151. </thead>
  152. <tbody>
  153. <tr>
  154. <td class="name"><code>mat</code></td>
  155. <td class="type">
  156. <span class="param-type"><a href="Matrix.html">Matrix</a></span>
  157. </td>
  158. <td class="description last"></td>
  159. </tr>
  160. </tbody>
  161. </table>
  162. <dl class="details">
  163. <dt class="tag-source">Source:</dt>
  164. <dd class="tag-source"><ul class="dummy"><li>
  165. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line30">line 30</a>
  166. </li></ul></dd>
  167. </dl>
  168. <h4 class="name" id="determinant"><span class="type-signature"></span>determinant<span class="signature">()</span><span class="type-signature"></span></h4>
  169. <div class="description">
  170. Get the matrix determinant.
  171. </div>
  172. <dl class="details">
  173. <dt class="tag-source">Source:</dt>
  174. <dd class="tag-source"><ul class="dummy"><li>
  175. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line208">line 208</a>
  176. </li></ul></dd>
  177. </dl>
  178. <h4 class="name" id="getInverse"><span class="type-signature"></span>getInverse<span class="signature">()</span><span class="type-signature"></span></h4>
  179. <div class="description">
  180. Get the inverse matrix.
  181. </div>
  182. <dl class="details">
  183. <dt class="tag-source">Source:</dt>
  184. <dd class="tag-source"><ul class="dummy"><li>
  185. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line216">line 216</a>
  186. </li></ul></dd>
  187. </dl>
  188. <h4 class="name" id="getPosition"><span class="type-signature"></span>getPosition<span class="signature">()</span><span class="type-signature"> &rarr; {<a href="Vector2.html">Vector2</a>}</span></h4>
  189. <div class="description">
  190. Get the position from the transformation matrix.
  191. </div>
  192. <dl class="details">
  193. <dt class="tag-source">Source:</dt>
  194. <dd class="tag-source"><ul class="dummy"><li>
  195. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line192">line 192</a>
  196. </li></ul></dd>
  197. </dl>
  198. <h5>Returns:</h5>
  199. <div class="param-desc">
  200. Position of the matrix transformation.
  201. </div>
  202. <dl>
  203. <dt>
  204. Type
  205. </dt>
  206. <dd>
  207. <span class="param-type"><a href="Vector2.html">Vector2</a></span>
  208. </dd>
  209. </dl>
  210. <h4 class="name" id="getScale"><span class="type-signature"></span>getScale<span class="signature">()</span><span class="type-signature"> &rarr; {<a href="Vector2.html">Vector2</a>}</span></h4>
  211. <div class="description">
  212. Get the scale from the transformation matrix.
  213. </div>
  214. <dl class="details">
  215. <dt class="tag-source">Source:</dt>
  216. <dd class="tag-source"><ul class="dummy"><li>
  217. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line182">line 182</a>
  218. </li></ul></dd>
  219. </dl>
  220. <h5>Returns:</h5>
  221. <div class="param-desc">
  222. Scale of the matrix transformation.
  223. </div>
  224. <dl>
  225. <dt>
  226. Type
  227. </dt>
  228. <dd>
  229. <span class="param-type"><a href="Vector2.html">Vector2</a></span>
  230. </dd>
  231. </dl>
  232. <h4 class="name" id="identity"><span class="type-signature"></span>identity<span class="signature">()</span><span class="type-signature"></span></h4>
  233. <div class="description">
  234. Reset this matrix to indentity.
  235. </div>
  236. <dl class="details">
  237. <dt class="tag-source">Source:</dt>
  238. <dd class="tag-source"><ul class="dummy"><li>
  239. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line46">line 46</a>
  240. </li></ul></dd>
  241. </dl>
  242. <h4 class="name" id="multiply"><span class="type-signature"></span>multiply<span class="signature">(mat)</span><span class="type-signature"></span></h4>
  243. <div class="description">
  244. Multiply another matrix by this one and store the result.
  245. </div>
  246. <h5>Parameters:</h5>
  247. <table class="params">
  248. <thead>
  249. <tr>
  250. <th>Name</th>
  251. <th>Type</th>
  252. <th class="last">Description</th>
  253. </tr>
  254. </thead>
  255. <tbody>
  256. <tr>
  257. <td class="name"><code>mat</code></td>
  258. <td class="type">
  259. <span class="param-type"><a href="Matrix.html">Matrix</a></span>
  260. </td>
  261. <td class="description last"></td>
  262. </tr>
  263. </tbody>
  264. </table>
  265. <dl class="details">
  266. <dt class="tag-source">Source:</dt>
  267. <dd class="tag-source"><ul class="dummy"><li>
  268. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line56">line 56</a>
  269. </li></ul></dd>
  270. </dl>
  271. <h4 class="name" id="premultiply"><span class="type-signature"></span>premultiply<span class="signature">(mat)</span><span class="type-signature"></span></h4>
  272. <div class="description">
  273. Premultiply another matrix by this one and store the result.
  274. </div>
  275. <h5>Parameters:</h5>
  276. <table class="params">
  277. <thead>
  278. <tr>
  279. <th>Name</th>
  280. <th>Type</th>
  281. <th class="last">Description</th>
  282. </tr>
  283. </thead>
  284. <tbody>
  285. <tr>
  286. <td class="name"><code>mat</code></td>
  287. <td class="type">
  288. <span class="param-type"><a href="Matrix.html">Matrix</a></span>
  289. </td>
  290. <td class="description last"></td>
  291. </tr>
  292. </tbody>
  293. </table>
  294. <dl class="details">
  295. <dt class="tag-source">Source:</dt>
  296. <dd class="tag-source"><ul class="dummy"><li>
  297. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line73">line 73</a>
  298. </li></ul></dd>
  299. </dl>
  300. <h4 class="name" id="rotate"><span class="type-signature"></span>rotate<span class="signature">(angle)</span><span class="type-signature"></span></h4>
  301. <div class="description">
  302. Apply rotation to this matrix.
  303. </div>
  304. <h5>Parameters:</h5>
  305. <table class="params">
  306. <thead>
  307. <tr>
  308. <th>Name</th>
  309. <th>Type</th>
  310. <th class="last">Description</th>
  311. </tr>
  312. </thead>
  313. <tbody>
  314. <tr>
  315. <td class="name"><code>angle</code></td>
  316. <td class="type">
  317. <span class="param-type">number</span>
  318. </td>
  319. <td class="description last">Angle in radians.</td>
  320. </tr>
  321. </tbody>
  322. </table>
  323. <dl class="details">
  324. <dt class="tag-source">Source:</dt>
  325. <dd class="tag-source"><ul class="dummy"><li>
  326. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line135">line 135</a>
  327. </li></ul></dd>
  328. </dl>
  329. <h4 class="name" id="scale"><span class="type-signature"></span>scale<span class="signature">(sx, sy)</span><span class="type-signature"></span></h4>
  330. <div class="description">
  331. Apply scale to this matrix.
  332. </div>
  333. <h5>Parameters:</h5>
  334. <table class="params">
  335. <thead>
  336. <tr>
  337. <th>Name</th>
  338. <th>Type</th>
  339. <th class="last">Description</th>
  340. </tr>
  341. </thead>
  342. <tbody>
  343. <tr>
  344. <td class="name"><code>sx</code></td>
  345. <td class="type">
  346. <span class="param-type">number</span>
  347. </td>
  348. <td class="description last"></td>
  349. </tr>
  350. <tr>
  351. <td class="name"><code>sy</code></td>
  352. <td class="type">
  353. <span class="param-type">number</span>
  354. </td>
  355. <td class="description last"></td>
  356. </tr>
  357. </tbody>
  358. </table>
  359. <dl class="details">
  360. <dt class="tag-source">Source:</dt>
  361. <dd class="tag-source"><ul class="dummy"><li>
  362. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line157">line 157</a>
  363. </li></ul></dd>
  364. </dl>
  365. <h4 class="name" id="setContextTransform"><span class="type-signature"></span>setContextTransform<span class="signature">()</span><span class="type-signature"></span></h4>
  366. <div class="description">
  367. Set a canvas context to use this transformation.
  368. </div>
  369. <dl class="details">
  370. <dt class="tag-source">Source:</dt>
  371. <dd class="tag-source"><ul class="dummy"><li>
  372. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line237">line 237</a>
  373. </li></ul></dd>
  374. </dl>
  375. <h4 class="name" id="setPosition"><span class="type-signature"></span>setPosition<span class="signature">(x, y)</span><span class="type-signature"></span></h4>
  376. <div class="description">
  377. Set the position of the transformation matrix.
  378. </div>
  379. <h5>Parameters:</h5>
  380. <table class="params">
  381. <thead>
  382. <tr>
  383. <th>Name</th>
  384. <th>Type</th>
  385. <th class="last">Description</th>
  386. </tr>
  387. </thead>
  388. <tbody>
  389. <tr>
  390. <td class="name"><code>x</code></td>
  391. <td class="type">
  392. <span class="param-type">number</span>
  393. </td>
  394. <td class="description last"></td>
  395. </tr>
  396. <tr>
  397. <td class="name"><code>y</code></td>
  398. <td class="type">
  399. <span class="param-type">number</span>
  400. </td>
  401. <td class="description last"></td>
  402. </tr>
  403. </tbody>
  404. </table>
  405. <dl class="details">
  406. <dt class="tag-source">Source:</dt>
  407. <dd class="tag-source"><ul class="dummy"><li>
  408. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line171">line 171</a>
  409. </li></ul></dd>
  410. </dl>
  411. <h4 class="name" id="skew"><span class="type-signature"></span>skew<span class="signature">()</span><span class="type-signature"></span></h4>
  412. <div class="description">
  413. Apply skew to this matrix.
  414. </div>
  415. <dl class="details">
  416. <dt class="tag-source">Source:</dt>
  417. <dd class="tag-source"><ul class="dummy"><li>
  418. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line200">line 200</a>
  419. </li></ul></dd>
  420. </dl>
  421. <h4 class="name" id="tranformContext"><span class="type-signature"></span>tranformContext<span class="signature">()</span><span class="type-signature"></span></h4>
  422. <div class="description">
  423. Transform on top of the current context transformation.
  424. </div>
  425. <dl class="details">
  426. <dt class="tag-source">Source:</dt>
  427. <dd class="tag-source"><ul class="dummy"><li>
  428. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line245">line 245</a>
  429. </li></ul></dd>
  430. </dl>
  431. <h4 class="name" id="transformPoint"><span class="type-signature"></span>transformPoint<span class="signature">()</span><span class="type-signature"></span></h4>
  432. <div class="description">
  433. Transform a point using this matrix.
  434. </div>
  435. <dl class="details">
  436. <dt class="tag-source">Source:</dt>
  437. <dd class="tag-source"><ul class="dummy"><li>
  438. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line226">line 226</a>
  439. </li></ul></dd>
  440. </dl>
  441. <h4 class="name" id="translate"><span class="type-signature"></span>translate<span class="signature">(x, y)</span><span class="type-signature"></span></h4>
  442. <div class="description">
  443. Apply translation to this matrix.
  444. </div>
  445. <h5>Parameters:</h5>
  446. <table class="params">
  447. <thead>
  448. <tr>
  449. <th>Name</th>
  450. <th>Type</th>
  451. <th class="last">Description</th>
  452. </tr>
  453. </thead>
  454. <tbody>
  455. <tr>
  456. <td class="name"><code>x</code></td>
  457. <td class="type">
  458. <span class="param-type">number</span>
  459. </td>
  460. <td class="description last"></td>
  461. </tr>
  462. <tr>
  463. <td class="name"><code>y</code></td>
  464. <td class="type">
  465. <span class="param-type">number</span>
  466. </td>
  467. <td class="description last"></td>
  468. </tr>
  469. </tbody>
  470. </table>
  471. <dl class="details">
  472. <dt class="tag-source">Source:</dt>
  473. <dd class="tag-source"><ul class="dummy"><li>
  474. <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line124">line 124</a>
  475. </li></ul></dd>
  476. </dl>
  477. </article>
  478. </section>
  479. </div>
  480. <nav>
  481. <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="BezierCurve.html">BezierCurve</a></li><li><a href="Box.html">Box</a></li><li><a href="Box2.html">Box2</a></li><li><a href="BoxMask.html">BoxMask</a></li><li><a href="Circle.html">Circle</a></li><li><a href="DOM.html">DOM</a></li><li><a href="EventManager.html">EventManager</a></li><li><a href="Graph.html">Graph</a></li><li><a href="Helpers.html">Helpers</a></li><li><a href="Image.html">Image</a></li><li><a href="Key.html">Key</a></li><li><a href="Line.html">Line</a></li><li><a href="Mask.html">Mask</a></li><li><a href="Matrix.html">Matrix</a></li><li><a href="Object2D.html">Object2D</a></li><li><a href="Pattern.html">Pattern</a></li><li><a href="Pointer.html">Pointer</a></li><li><a href="Renderer.html">Renderer</a></li><li><a href="Text.html">Text</a></li><li><a href="UUID.html">UUID</a></li><li><a href="Vector2.html">Vector2</a></li><li><a href="Viewport.html">Viewport</a></li><li><a href="ViewportControls.html">ViewportControls</a></li></ul>
  482. </nav>
  483. <br class="clear">
  484. <footer>
  485. Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 3.6.2</a> on Tue Jun 25 2019 14:27:21 GMT+0100 (Western European Summer Time)
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  487. <script> prettyPrint(); </script>
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  489. </body>
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