XRManager.html 23 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="utf-8">
  5. <title>XRManager - Three.js Docs</title>
  6. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  7. <script src="../scripts/highlight.min.js"></script>
  8. <link type="text/css" rel="stylesheet" href="../styles/highlight-three.css">
  9. <link type="text/css" rel="stylesheet" href="../styles/page.css">
  10. </head>
  11. <body>
  12. <p class="inheritance" translate="no"><a href="EventDispatcher.html">EventDispatcher</a> → </p>
  13. <h1 translate="no">XRManager</h1>
  14. <section>
  15. <header>
  16. <div class="class-description"><p>The XR manager is built on top of the WebXR Device API to
  17. manage XR sessions with <code>WebGPURenderer</code>.</p>
  18. <p>XR is currently only supported with a WebGL 2 backend.</p></div>
  19. </header>
  20. <article>
  21. <div class="container-overview">
  22. <h2>Constructor</h2>
  23. <h3 class="name name-method" id="XRManager" translate="no">new <a href="#XRManager">XRManager</a><span class="signature">( renderer : <span class="param-type"><a href="Renderer.html">Renderer</a></span>, multiview : <span class="param-type">boolean</span> )</span> </h3>
  24. <div class="method">
  25. <div class="description">
  26. <p>Constructs a new XR manager.</p>
  27. </div>
  28. <table class="params">
  29. <tbody>
  30. <tr>
  31. <td class="name">
  32. <strong>renderer</strong>
  33. </td>
  34. <td class="description last">
  35. <p>The renderer.</p>
  36. </td>
  37. </tr>
  38. <tr>
  39. <td class="name">
  40. <strong>multiview</strong>
  41. </td>
  42. <td class="description last">
  43. <p>Enables multiview if the device supports it.</p>
  44. <p>Default is <code>false</code>.</p>
  45. </td>
  46. </tr>
  47. </tbody>
  48. </table>
  49. </div>
  50. </div>
  51. <h2 class="subsection-title">Properties</h2>
  52. <div class="member">
  53. <h3 class="name" id="_sessionUsesLayers" translate="no">.<a href="#_sessionUsesLayers">_sessionUsesLayers</a><span class="type-signature"> : boolean</span> </h3>
  54. <div class="description">
  55. <p>Whether the XR session uses layers.</p>
  56. <p>Default is <code>false</code>.</p>
  57. </div>
  58. </div>
  59. <div class="member">
  60. <h3 class="name" id="cameraAutoUpdate" translate="no">.<a href="#cameraAutoUpdate">cameraAutoUpdate</a><span class="type-signature"> : boolean</span> </h3>
  61. <div class="description">
  62. <p>Whether the XR camera should automatically be updated or not.</p>
  63. <p>Default is <code>true</code>.</p>
  64. </div>
  65. </div>
  66. <div class="member">
  67. <h3 class="name" id="enabled" translate="no">.<a href="#enabled">enabled</a><span class="type-signature"> : boolean</span> </h3>
  68. <div class="description">
  69. <p>This flag globally enables XR rendering.</p>
  70. <p>Default is <code>false</code>.</p>
  71. </div>
  72. </div>
  73. <div class="member">
  74. <h3 class="name" id="isPresenting" translate="no">.<a href="#isPresenting">isPresenting</a><span class="type-signature"> : boolean</span> <span class="type-signature">(readonly) </span></h3>
  75. <div class="description">
  76. <p>Whether the XR device is currently presenting or not.</p>
  77. <p>Default is <code>false</code>.</p>
  78. </div>
  79. </div>
  80. <h2 class="subsection-title">Methods</h2>
  81. <h3 class="name name-method" id="createCylinderLayer" translate="no">.<a href="#createCylinderLayer">createCylinderLayer</a><span class="signature">( radius : <span class="param-type">number</span>, centralAngle : <span class="param-type">number</span>, aspectratio : <span class="param-type">number</span>, translation : <span class="param-type"><a href="Vector3.html">Vector3</a></span>, quaternion : <span class="param-type"><a href="Quaternion.html">Quaternion</a></span>, pixelwidth : <span class="param-type">number</span>, pixelheight : <span class="param-type">number</span>, rendercall : <span class="param-type">function</span>, attributes : <span class="param-type">Object</span> )</span><span class="type-signature"> : <a href="Mesh.html">Mesh</a></span> </h3>
  82. <div class="method">
  83. <div class="description">
  84. <p>This method can be used in XR applications to create a cylindrical layer that presents a separate
  85. rendered scene.</p>
  86. </div>
  87. <table class="params">
  88. <tbody>
  89. <tr>
  90. <td class="name">
  91. <strong>radius</strong>
  92. </td>
  93. <td class="description last">
  94. <p>The radius of the cylinder in world units.</p>
  95. </td>
  96. </tr>
  97. <tr>
  98. <td class="name">
  99. <strong>centralAngle</strong>
  100. </td>
  101. <td class="description last">
  102. <p>The central angle of the cylinder in radians.</p>
  103. </td>
  104. </tr>
  105. <tr>
  106. <td class="name">
  107. <strong>aspectratio</strong>
  108. </td>
  109. <td class="description last">
  110. <p>The aspect ratio.</p>
  111. </td>
  112. </tr>
  113. <tr>
  114. <td class="name">
  115. <strong>translation</strong>
  116. </td>
  117. <td class="description last">
  118. <p>The position/translation of the layer plane in world units.</p>
  119. </td>
  120. </tr>
  121. <tr>
  122. <td class="name">
  123. <strong>quaternion</strong>
  124. </td>
  125. <td class="description last">
  126. <p>The orientation of the layer plane expressed as a quaternion.</p>
  127. </td>
  128. </tr>
  129. <tr>
  130. <td class="name">
  131. <strong>pixelwidth</strong>
  132. </td>
  133. <td class="description last">
  134. <p>The width of the layer's render target in pixels.</p>
  135. </td>
  136. </tr>
  137. <tr>
  138. <td class="name">
  139. <strong>pixelheight</strong>
  140. </td>
  141. <td class="description last">
  142. <p>The height of the layer's render target in pixels.</p>
  143. </td>
  144. </tr>
  145. <tr>
  146. <td class="name">
  147. <strong>rendercall</strong>
  148. </td>
  149. <td class="description last">
  150. <p>A callback function that renders the layer. Similar to code in
  151. the default animation loop, this method can be used to update/transform 3D object in the layer's scene.</p>
  152. </td>
  153. </tr>
  154. <tr>
  155. <td class="name">
  156. <strong>attributes</strong>
  157. </td>
  158. <td class="description last">
  159. <p>Allows to configure the layer's render target.</p>
  160. <p>Default is <code>{}</code>.</p>
  161. </td>
  162. </tr>
  163. </tbody>
  164. </table>
  165. <dl class="details">
  166. <dt class="tag-returns"><strong>Returns:</strong> A mesh representing the cylindrical XR layer. This mesh should be added to the XR scene.</dt>
  167. </dl>
  168. </div>
  169. <h3 class="name name-method" id="createQuadLayer" translate="no">.<a href="#createQuadLayer">createQuadLayer</a><span class="signature">( width : <span class="param-type">number</span>, height : <span class="param-type">number</span>, translation : <span class="param-type"><a href="Vector3.html">Vector3</a></span>, quaternion : <span class="param-type"><a href="Quaternion.html">Quaternion</a></span>, pixelwidth : <span class="param-type">number</span>, pixelheight : <span class="param-type">number</span>, rendercall : <span class="param-type">function</span>, attributes : <span class="param-type">Object</span> )</span><span class="type-signature"> : <a href="Mesh.html">Mesh</a></span> </h3>
  170. <div class="method">
  171. <div class="description">
  172. <p>This method can be used in XR applications to create a quadratic layer that presents a separate
  173. rendered scene.</p>
  174. </div>
  175. <table class="params">
  176. <tbody>
  177. <tr>
  178. <td class="name">
  179. <strong>width</strong>
  180. </td>
  181. <td class="description last">
  182. <p>The width of the layer plane in world units.</p>
  183. </td>
  184. </tr>
  185. <tr>
  186. <td class="name">
  187. <strong>height</strong>
  188. </td>
  189. <td class="description last">
  190. <p>The height of the layer plane in world units.</p>
  191. </td>
  192. </tr>
  193. <tr>
  194. <td class="name">
  195. <strong>translation</strong>
  196. </td>
  197. <td class="description last">
  198. <p>The position/translation of the layer plane in world units.</p>
  199. </td>
  200. </tr>
  201. <tr>
  202. <td class="name">
  203. <strong>quaternion</strong>
  204. </td>
  205. <td class="description last">
  206. <p>The orientation of the layer plane expressed as a quaternion.</p>
  207. </td>
  208. </tr>
  209. <tr>
  210. <td class="name">
  211. <strong>pixelwidth</strong>
  212. </td>
  213. <td class="description last">
  214. <p>The width of the layer's render target in pixels.</p>
  215. </td>
  216. </tr>
  217. <tr>
  218. <td class="name">
  219. <strong>pixelheight</strong>
  220. </td>
  221. <td class="description last">
  222. <p>The height of the layer's render target in pixels.</p>
  223. </td>
  224. </tr>
  225. <tr>
  226. <td class="name">
  227. <strong>rendercall</strong>
  228. </td>
  229. <td class="description last">
  230. <p>A callback function that renders the layer. Similar to code in
  231. the default animation loop, this method can be used to update/transform 3D object in the layer's scene.</p>
  232. </td>
  233. </tr>
  234. <tr>
  235. <td class="name">
  236. <strong>attributes</strong>
  237. </td>
  238. <td class="description last">
  239. <p>Allows to configure the layer's render target.</p>
  240. <p>Default is <code>{}</code>.</p>
  241. </td>
  242. </tr>
  243. </tbody>
  244. </table>
  245. <dl class="details">
  246. <dt class="tag-returns"><strong>Returns:</strong> A mesh representing the quadratic XR layer. This mesh should be added to the XR scene.</dt>
  247. </dl>
  248. </div>
  249. <h3 class="name name-method" id="getBinding" translate="no">.<a href="#getBinding">getBinding</a><span class="signature">()</span><span class="type-signature"> : XRWebGLBinding</span> </h3>
  250. <div class="method">
  251. <div class="description">
  252. <p>Returns the current XR binding.</p>
  253. <p>Creates a new binding if needed and the browser is
  254. capable of doing so.</p>
  255. </div>
  256. <dl class="details">
  257. <dt class="tag-returns"><strong>Returns:</strong> The XR binding. Returns <code>null</code> if one cannot be created.</dt>
  258. </dl>
  259. </div>
  260. <h3 class="name name-method" id="getCamera" translate="no">.<a href="#getCamera">getCamera</a><span class="signature">()</span><span class="type-signature"> : <a href="ArrayCamera.html">ArrayCamera</a></span> </h3>
  261. <div class="method">
  262. <div class="description">
  263. <p>Returns the XR camera.</p>
  264. </div>
  265. <dl class="details">
  266. <dt class="tag-returns"><strong>Returns:</strong> The XR camera.</dt>
  267. </dl>
  268. </div>
  269. <h3 class="name name-method" id="getController" translate="no">.<a href="#getController">getController</a><span class="signature">( index : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="Group.html">Group</a></span> </h3>
  270. <div class="method">
  271. <div class="description">
  272. <p>Returns an instance of <code>THREE.Group</code> that represents the transformation
  273. of a XR controller in target ray space. The requested controller is defined
  274. by the given index.</p>
  275. </div>
  276. <table class="params">
  277. <tbody>
  278. <tr>
  279. <td class="name">
  280. <strong>index</strong>
  281. </td>
  282. <td class="description last">
  283. <p>The index of the XR controller.</p>
  284. </td>
  285. </tr>
  286. </tbody>
  287. </table>
  288. <dl class="details">
  289. <dt class="tag-returns"><strong>Returns:</strong> A group that represents the controller's transformation.</dt>
  290. </dl>
  291. </div>
  292. <h3 class="name name-method" id="getControllerGrip" translate="no">.<a href="#getControllerGrip">getControllerGrip</a><span class="signature">( index : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="Group.html">Group</a></span> </h3>
  293. <div class="method">
  294. <div class="description">
  295. <p>Returns an instance of <code>THREE.Group</code> that represents the transformation
  296. of a XR controller in grip space. The requested controller is defined
  297. by the given index.</p>
  298. </div>
  299. <table class="params">
  300. <tbody>
  301. <tr>
  302. <td class="name">
  303. <strong>index</strong>
  304. </td>
  305. <td class="description last">
  306. <p>The index of the XR controller.</p>
  307. </td>
  308. </tr>
  309. </tbody>
  310. </table>
  311. <dl class="details">
  312. <dt class="tag-returns"><strong>Returns:</strong> A group that represents the controller's transformation.</dt>
  313. </dl>
  314. </div>
  315. <h3 class="name name-method" id="getEnvironmentBlendMode" translate="no">.<a href="#getEnvironmentBlendMode">getEnvironmentBlendMode</a><span class="signature">()</span><span class="type-signature"> : 'opaque' | 'additive' | 'alpha-blend' | undefined</span> </h3>
  316. <div class="method">
  317. <div class="description">
  318. <p>Returns the environment blend mode from the current XR session.</p>
  319. </div>
  320. <dl class="details">
  321. <dt class="tag-returns"><strong>Returns:</strong> The environment blend mode. Returns <code>undefined</code> when used outside of a XR session.</dt>
  322. </dl>
  323. </div>
  324. <h3 class="name name-method" id="getFoveation" translate="no">.<a href="#getFoveation">getFoveation</a><span class="signature">()</span><span class="type-signature"> : number | undefined</span> </h3>
  325. <div class="method">
  326. <div class="description">
  327. <p>Returns the foveation value.</p>
  328. </div>
  329. <dl class="details">
  330. <dt class="tag-returns"><strong>Returns:</strong> The foveation value. Returns <code>undefined</code> if no base or projection layer is defined.</dt>
  331. </dl>
  332. </div>
  333. <h3 class="name name-method" id="getFrame" translate="no">.<a href="#getFrame">getFrame</a><span class="signature">()</span><span class="type-signature"> : XRFrame</span> </h3>
  334. <div class="method">
  335. <div class="description">
  336. <p>Returns the current XR frame.</p>
  337. </div>
  338. <dl class="details">
  339. <dt class="tag-returns"><strong>Returns:</strong> The XR frame. Returns <code>null</code> when used outside a XR session.</dt>
  340. </dl>
  341. </div>
  342. <h3 class="name name-method" id="getFramebufferScaleFactor" translate="no">.<a href="#getFramebufferScaleFactor">getFramebufferScaleFactor</a><span class="signature">()</span><span class="type-signature"> : number</span> </h3>
  343. <div class="method">
  344. <div class="description">
  345. <p>Returns the framebuffer scale factor.</p>
  346. </div>
  347. <dl class="details">
  348. <dt class="tag-returns"><strong>Returns:</strong> The framebuffer scale factor.</dt>
  349. </dl>
  350. </div>
  351. <h3 class="name name-method" id="getHand" translate="no">.<a href="#getHand">getHand</a><span class="signature">( index : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="Group.html">Group</a></span> </h3>
  352. <div class="method">
  353. <div class="description">
  354. <p>Returns an instance of <code>THREE.Group</code> that represents the transformation
  355. of a XR controller in hand space. The requested controller is defined
  356. by the given index.</p>
  357. </div>
  358. <table class="params">
  359. <tbody>
  360. <tr>
  361. <td class="name">
  362. <strong>index</strong>
  363. </td>
  364. <td class="description last">
  365. <p>The index of the XR controller.</p>
  366. </td>
  367. </tr>
  368. </tbody>
  369. </table>
  370. <dl class="details">
  371. <dt class="tag-returns"><strong>Returns:</strong> A group that represents the controller's transformation.</dt>
  372. </dl>
  373. </div>
  374. <h3 class="name name-method" id="getReferenceSpace" translate="no">.<a href="#getReferenceSpace">getReferenceSpace</a><span class="signature">()</span><span class="type-signature"> : XRReferenceSpace</span> </h3>
  375. <div class="method">
  376. <div class="description">
  377. <p>Returns the XR reference space.</p>
  378. </div>
  379. <dl class="details">
  380. <dt class="tag-returns"><strong>Returns:</strong> The XR reference space.</dt>
  381. </dl>
  382. </div>
  383. <h3 class="name name-method" id="getReferenceSpaceType" translate="no">.<a href="#getReferenceSpaceType">getReferenceSpaceType</a><span class="signature">()</span><span class="type-signature"> : XRReferenceSpaceType</span> </h3>
  384. <div class="method">
  385. <div class="description">
  386. <p>Returns the reference space type.</p>
  387. </div>
  388. <dl class="details">
  389. <dt class="tag-returns"><strong>Returns:</strong> The reference space type.</dt>
  390. </dl>
  391. </div>
  392. <h3 class="name name-method" id="getSession" translate="no">.<a href="#getSession">getSession</a><span class="signature">()</span><span class="type-signature"> : XRSession</span> </h3>
  393. <div class="method">
  394. <div class="description">
  395. <p>Returns the current XR session.</p>
  396. </div>
  397. <dl class="details">
  398. <dt class="tag-returns"><strong>Returns:</strong> The XR session. Returns <code>null</code> when used outside a XR session.</dt>
  399. </dl>
  400. </div>
  401. <h3 class="name name-method" id="renderLayers" translate="no">.<a href="#renderLayers">renderLayers</a><span class="signature">()</span> </h3>
  402. <div class="method">
  403. <div class="description">
  404. <p>Renders the XR layers that have been previously added to the scene.</p>
  405. <p>This method is usually called in your animation loop before rendering
  406. the actual scene via <code>renderer.render( scene, camera );</code>.</p>
  407. </div>
  408. </div>
  409. <h3 class="name name-method" id="setFoveation" translate="no">.<a href="#setFoveation">setFoveation</a><span class="signature">( foveation : <span class="param-type">number</span> )</span> </h3>
  410. <div class="method">
  411. <div class="description">
  412. <p>Sets the foveation value.</p>
  413. </div>
  414. <table class="params">
  415. <tbody>
  416. <tr>
  417. <td class="name">
  418. <strong>foveation</strong>
  419. </td>
  420. <td class="description last">
  421. <p>A number in the range <code>[0,1]</code> where <code>0</code> means no foveation (full resolution)
  422. and <code>1</code> means maximum foveation (the edges render at lower resolution).</p>
  423. </td>
  424. </tr>
  425. </tbody>
  426. </table>
  427. </div>
  428. <h3 class="name name-method" id="setFramebufferScaleFactor" translate="no">.<a href="#setFramebufferScaleFactor">setFramebufferScaleFactor</a><span class="signature">( factor : <span class="param-type">number</span> )</span> </h3>
  429. <div class="method">
  430. <div class="description">
  431. <p>Sets the framebuffer scale factor.</p>
  432. <p>This method can not be used during a XR session.</p>
  433. </div>
  434. <table class="params">
  435. <tbody>
  436. <tr>
  437. <td class="name">
  438. <strong>factor</strong>
  439. </td>
  440. <td class="description last">
  441. <p>The framebuffer scale factor.</p>
  442. </td>
  443. </tr>
  444. </tbody>
  445. </table>
  446. </div>
  447. <h3 class="name name-method" id="setReferenceSpace" translate="no">.<a href="#setReferenceSpace">setReferenceSpace</a><span class="signature">( space : <span class="param-type">XRReferenceSpace</span> )</span> </h3>
  448. <div class="method">
  449. <div class="description">
  450. <p>Sets a custom XR reference space.</p>
  451. </div>
  452. <table class="params">
  453. <tbody>
  454. <tr>
  455. <td class="name">
  456. <strong>space</strong>
  457. </td>
  458. <td class="description last">
  459. <p>The XR reference space.</p>
  460. </td>
  461. </tr>
  462. </tbody>
  463. </table>
  464. </div>
  465. <h3 class="name name-method" id="setReferenceSpaceType" translate="no">.<a href="#setReferenceSpaceType">setReferenceSpaceType</a><span class="signature">( type : <span class="param-type">XRReferenceSpaceType</span> )</span> </h3>
  466. <div class="method">
  467. <div class="description">
  468. <p>Sets the reference space type.</p>
  469. <p>This method can not be used during a XR session.</p>
  470. </div>
  471. <table class="params">
  472. <tbody>
  473. <tr>
  474. <td class="name">
  475. <strong>type</strong>
  476. </td>
  477. <td class="description last">
  478. <p>The reference space type.</p>
  479. </td>
  480. </tr>
  481. </tbody>
  482. </table>
  483. </div>
  484. <h3 class="name name-method" id="setSession" translate="no">.<a href="#setSession">setSession</a><span class="signature">( session : <span class="param-type">XRSession</span> )</span><span class="type-signature"> : Promise</span> <span class="type-signature">(async) </span></h3>
  485. <div class="method">
  486. <div class="description">
  487. <p>After a XR session has been requested usually with one of the <code>*Button</code> modules, it
  488. is injected into the renderer with this method. This method triggers the start of
  489. the actual XR rendering.</p>
  490. </div>
  491. <table class="params">
  492. <tbody>
  493. <tr>
  494. <td class="name">
  495. <strong>session</strong>
  496. </td>
  497. <td class="description last">
  498. <p>The XR session to set.</p>
  499. </td>
  500. </tr>
  501. </tbody>
  502. </table>
  503. <dl class="details">
  504. <dt class="tag-returns"><strong>Returns:</strong> A Promise that resolves when the session has been set.</dt>
  505. </dl>
  506. </div>
  507. <h3 class="name name-method" id="updateCamera" translate="no">.<a href="#updateCamera">updateCamera</a><span class="signature">( camera : <span class="param-type"><a href="PerspectiveCamera.html">PerspectiveCamera</a></span> )</span> </h3>
  508. <div class="method">
  509. <div class="description">
  510. <p>This method is called by the renderer per frame and updates the XR camera
  511. and it sub cameras based on the given camera. The given camera is the &quot;user&quot;
  512. camera created on application level and used for non-XR rendering.</p>
  513. </div>
  514. <table class="params">
  515. <tbody>
  516. <tr>
  517. <td class="name">
  518. <strong>camera</strong>
  519. </td>
  520. <td class="description last">
  521. <p>The camera.</p>
  522. </td>
  523. </tr>
  524. </tbody>
  525. </table>
  526. </div>
  527. <h3 class="name name-method" id="useMultiview" translate="no">.<a href="#useMultiview">useMultiview</a><span class="signature">()</span><span class="type-signature"> : boolean</span> </h3>
  528. <div class="method">
  529. <div class="description">
  530. <p>Returns <code>true</code> if the engine renders to a multiview target.</p>
  531. </div>
  532. <dl class="details">
  533. <dt class="tag-returns"><strong>Returns:</strong> Whether the engine renders to a multiview render target or not.</dt>
  534. </dl>
  535. </div>
  536. <h2 class="subsection-title">Source</h2>
  537. <p>
  538. <a href="https://github.com/mrdoob/three.js/blob/master/src/renderers/common/XRManager.js" target="_blank" rel="noopener" translate="no">src/renderers/common/XRManager.js</a>
  539. </p>
  540. </article>
  541. </section>
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