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  1. <!DOCTYPE html>
    2. 

  2. <html lang="en">
    3. 

  3. <head>
    4. 

  4. 	<meta charset="utf-8">
    5. 

  5. 	<title>XRManager - Three.js Docs</title>
    6. 

  6. 	<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
    7. 

  7. 	<script src="../scripts/highlight.min.js"></script>
    8. 

  8. 	<link type="text/css" rel="stylesheet" href="../styles/highlight-three.css">
    9. 

  9. 	<link type="text/css" rel="stylesheet" href="../styles/page.css">
    10. 

  10. </head>
    11. 

  11. <body>
    12. 

  12. 		<p class="inheritance" translate="no"><a href="EventDispatcher.html">EventDispatcher</a> → </p>
    13. 

  13. 	<h1 translate="no">XRManager</h1>
    14. 

  14. 		<section>
    15. 

  15. 			<header>
    16. 

  16. 				<div class="class-description"><p>The XR manager is built on top of the WebXR Device API to
    17. 

  17. manage XR sessions with <code>WebGPURenderer</code>.</p>
    18. 

  18. <p>XR is currently only supported with a WebGL 2 backend.</p></div>
    19. 

  19. 			</header>
    20. 

  20. 			<article>
    21. 

  21. 				<div class="container-overview">
    22. 

  22. 					<h2>Constructor</h2>
    23. 

  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. 

  24. 					<div class="method">
    25. 

  25. 						<div class="description">
    26. 

  26. 							<p>Constructs a new XR manager.</p>
    27. 

  27. 						</div>
    28. 

  28. 						<table class="params">
    29. 

  29. 							<tbody>
    30. 

  30. 								<tr>
    31. 

  31. 									<td class="name">
    32. 

  32. 										<strong>renderer</strong>
    33. 

  33. 									</td>
    34. 

  34. 									<td class="description last">
    35. 

  35. 										<p>The renderer.</p>
    36. 

  36. 									</td>
    37. 

  37. 								</tr>
    38. 

  38. 								<tr>
    39. 

  39. 									<td class="name">
    40. 

  40. 										<strong>multiview</strong>
    41. 

  41. 									</td>
    42. 

  42. 									<td class="description last">
    43. 

  43. 										<p>Enables multiview if the device supports it.</p>
    44. 

  44. 										<p>Default is <code>false</code>.</p>
    45. 

  45. 									</td>
    46. 

  46. 								</tr>
    47. 

  47. 							</tbody>
    48. 

  48. 						</table>
    49. 

  49. 					</div>
    50. 

  50. 				</div>
    51. 

  51. 				<h2 class="subsection-title">Properties</h2>
    52. 

  52. 				<div class="member">
    53. 

  53. 					<h3 class="name" id="cameraAutoUpdate" translate="no">.<a href="#cameraAutoUpdate">cameraAutoUpdate</a><span class="type-signature"> : boolean</span> </h3>
    54. 

  54. 					<div class="description">
    55. 

  55. 						<p>Whether the XR camera should automatically be updated or not.</p>
    56. 

  56. 						<p>Default is <code>true</code>.</p>
    57. 

  57. 					</div>
    58. 

  58. 				</div>
    59. 

  59. 				<div class="member">
    60. 

  60. 					<h3 class="name" id="enabled" translate="no">.<a href="#enabled">enabled</a><span class="type-signature"> : boolean</span> </h3>
    61. 

  61. 					<div class="description">
    62. 

  62. 						<p>This flag globally enables XR rendering.</p>
    63. 

  63. 						<p>Default is <code>false</code>.</p>
    64. 

  64. 					</div>
    65. 

  65. 				</div>
    66. 

  66. 				<div class="member">
    67. 

  67. 					<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>
    68. 

  68. 					<div class="description">
    69. 

  69. 						<p>Whether the XR device is currently presenting or not.</p>
    70. 

  70. 						<p>Default is <code>false</code>.</p>
    71. 

  71. 					</div>
    72. 

  72. 				</div>
    73. 

  73. 				<h2 class="subsection-title">Methods</h2>
    74. 

  74. 					<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>
    75. 

  75. 					<div class="method">
    76. 

  76. 						<div class="description">
    77. 

  77. 							<p>This method can be used in XR applications to create a cylindrical layer that presents a separate
    78. 

  78. rendered scene.</p>
    79. 

  79. 						</div>
    80. 

  80. 						<table class="params">
    81. 

  81. 							<tbody>
    82. 

  82. 								<tr>
    83. 

  83. 									<td class="name">
    84. 

  84. 										<strong>radius</strong>
    85. 

  85. 									</td>
    86. 

  86. 									<td class="description last">
    87. 

  87. 										<p>The radius of the cylinder in world units.</p>
    88. 

  88. 									</td>
    89. 

  89. 								</tr>
    90. 

  90. 								<tr>
    91. 

  91. 									<td class="name">
    92. 

  92. 										<strong>centralAngle</strong>
    93. 

  93. 									</td>
    94. 

  94. 									<td class="description last">
    95. 

  95. 										<p>The central angle of the cylinder in radians.</p>
    96. 

  96. 									</td>
    97. 

  97. 								</tr>
    98. 

  98. 								<tr>
    99. 

  99. 									<td class="name">
    100. 

  100. 										<strong>aspectratio</strong>
    101. 

  101. 									</td>
    102. 

  102. 									<td class="description last">
    103. 

  103. 										<p>The aspect ratio.</p>
    104. 

  104. 									</td>
    105. 

  105. 								</tr>
    106. 

  106. 								<tr>
    107. 

  107. 									<td class="name">
    108. 

  108. 										<strong>translation</strong>
    109. 

  109. 									</td>
    110. 

  110. 									<td class="description last">
    111. 

  111. 										<p>The position/translation of the layer plane in world units.</p>
    112. 

  112. 									</td>
    113. 

  113. 								</tr>
    114. 

  114. 								<tr>
    115. 

  115. 									<td class="name">
    116. 

  116. 										<strong>quaternion</strong>
    117. 

  117. 									</td>
    118. 

  118. 									<td class="description last">
    119. 

  119. 										<p>The orientation of the layer plane expressed as a quaternion.</p>
    120. 

  120. 									</td>
    121. 

  121. 								</tr>
    122. 

  122. 								<tr>
    123. 

  123. 									<td class="name">
    124. 

  124. 										<strong>pixelwidth</strong>
    125. 

  125. 									</td>
    126. 

  126. 									<td class="description last">
    127. 

  127. 										<p>The width of the layer's render target in pixels.</p>
    128. 

  128. 									</td>
    129. 

  129. 								</tr>
    130. 

  130. 								<tr>
    131. 

  131. 									<td class="name">
    132. 

  132. 										<strong>pixelheight</strong>
    133. 

  133. 									</td>
    134. 

  134. 									<td class="description last">
    135. 

  135. 										<p>The height of the layer's render target in pixels.</p>
    136. 

  136. 									</td>
    137. 

  137. 								</tr>
    138. 

  138. 								<tr>
    139. 

  139. 									<td class="name">
    140. 

  140. 										<strong>rendercall</strong>
    141. 

  141. 									</td>
    142. 

  142. 									<td class="description last">
    143. 

  143. 										<p>A callback function that renders the layer. Similar to code in
    144. 

  144. the default animation loop, this method can be used to update/transform 3D object in the layer's scene.</p>
    145. 

  145. 									</td>
    146. 

  146. 								</tr>
    147. 

  147. 								<tr>
    148. 

  148. 									<td class="name">
    149. 

  149. 										<strong>attributes</strong>
    150. 

  150. 									</td>
    151. 

  151. 									<td class="description last">
    152. 

  152. 										<p>Allows to configure the layer's render target.</p>
    153. 

  153. 										<p>Default is <code>{}</code>.</p>
    154. 

  154. 									</td>
    155. 

  155. 								</tr>
    156. 

  156. 							</tbody>
    157. 

  157. 						</table>
    158. 

  158. 						<dl class="details">
    159. 

  159. 							<dt class="tag-returns"><strong>Returns:</strong> A mesh representing the cylindrical XR layer. This mesh should be added to the XR scene.</dt>
    160. 

  160. 						</dl>
    161. 

  161. 					</div>
    162. 

  162. 					<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>
    163. 

  163. 					<div class="method">
    164. 

  164. 						<div class="description">
    165. 

  165. 							<p>This method can be used in XR applications to create a quadratic layer that presents a separate
    166. 

  166. rendered scene.</p>
    167. 

  167. 						</div>
    168. 

  168. 						<table class="params">
    169. 

  169. 							<tbody>
    170. 

  170. 								<tr>
    171. 

  171. 									<td class="name">
    172. 

  172. 										<strong>width</strong>
    173. 

  173. 									</td>
    174. 

  174. 									<td class="description last">
    175. 

  175. 										<p>The width of the layer plane in world units.</p>
    176. 

  176. 									</td>
    177. 

  177. 								</tr>
    178. 

  178. 								<tr>
    179. 

  179. 									<td class="name">
    180. 

  180. 										<strong>height</strong>
    181. 

  181. 									</td>
    182. 

  182. 									<td class="description last">
    183. 

  183. 										<p>The height of the layer plane in world units.</p>
    184. 

  184. 									</td>
    185. 

  185. 								</tr>
    186. 

  186. 								<tr>
    187. 

  187. 									<td class="name">
    188. 

  188. 										<strong>translation</strong>
    189. 

  189. 									</td>
    190. 

  190. 									<td class="description last">
    191. 

  191. 										<p>The position/translation of the layer plane in world units.</p>
    192. 

  192. 									</td>
    193. 

  193. 								</tr>
    194. 

  194. 								<tr>
    195. 

  195. 									<td class="name">
    196. 

  196. 										<strong>quaternion</strong>
    197. 

  197. 									</td>
    198. 

  198. 									<td class="description last">
    199. 

  199. 										<p>The orientation of the layer plane expressed as a quaternion.</p>
    200. 

  200. 									</td>
    201. 

  201. 								</tr>
    202. 

  202. 								<tr>
    203. 

  203. 									<td class="name">
    204. 

  204. 										<strong>pixelwidth</strong>
    205. 

  205. 									</td>
    206. 

  206. 									<td class="description last">
    207. 

  207. 										<p>The width of the layer's render target in pixels.</p>
    208. 

  208. 									</td>
    209. 

  209. 								</tr>
    210. 

  210. 								<tr>
    211. 

  211. 									<td class="name">
    212. 

  212. 										<strong>pixelheight</strong>
    213. 

  213. 									</td>
    214. 

  214. 									<td class="description last">
    215. 

  215. 										<p>The height of the layer's render target in pixels.</p>
    216. 

  216. 									</td>
    217. 

  217. 								</tr>
    218. 

  218. 								<tr>
    219. 

  219. 									<td class="name">
    220. 

  220. 										<strong>rendercall</strong>
    221. 

  221. 									</td>
    222. 

  222. 									<td class="description last">
    223. 

  223. 										<p>A callback function that renders the layer. Similar to code in
    224. 

  224. the default animation loop, this method can be used to update/transform 3D object in the layer's scene.</p>
    225. 

  225. 									</td>
    226. 

  226. 								</tr>
    227. 

  227. 								<tr>
    228. 

  228. 									<td class="name">
    229. 

  229. 										<strong>attributes</strong>
    230. 

  230. 									</td>
    231. 

  231. 									<td class="description last">
    232. 

  232. 										<p>Allows to configure the layer's render target.</p>
    233. 

  233. 										<p>Default is <code>{}</code>.</p>
    234. 

  234. 									</td>
    235. 

  235. 								</tr>
    236. 

  236. 							</tbody>
    237. 

  237. 						</table>
    238. 

  238. 						<dl class="details">
    239. 

  239. 							<dt class="tag-returns"><strong>Returns:</strong> A mesh representing the quadratic XR layer. This mesh should be added to the XR scene.</dt>
    240. 

  240. 						</dl>
    241. 

  241. 					</div>
    242. 

  242. 					<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>
    243. 

  243. 					<div class="method">
    244. 

  244. 						<div class="description">
    245. 

  245. 							<p>Returns the current XR binding.</p>
    246. 

  246. <p>Creates a new binding if needed and the browser is
    247. 

  247. capable of doing so.</p>
    248. 

  248. 						</div>
    249. 

  249. 						<dl class="details">
    250. 

  250. 							<dt class="tag-returns"><strong>Returns:</strong> The XR binding. Returns <code>null</code> if one cannot be created.</dt>
    251. 

  251. 						</dl>
    252. 

  252. 					</div>
    253. 

  253. 					<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>
    254. 

  254. 					<div class="method">
    255. 

  255. 						<div class="description">
    256. 

  256. 							<p>Returns the XR camera.</p>
    257. 

  257. 						</div>
    258. 

  258. 						<dl class="details">
    259. 

  259. 							<dt class="tag-returns"><strong>Returns:</strong> The XR camera.</dt>
    260. 

  260. 						</dl>
    261. 

  261. 					</div>
    262. 

  262. 					<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>
    263. 

  263. 					<div class="method">
    264. 

  264. 						<div class="description">
    265. 

  265. 							<p>Returns an instance of <code>THREE.Group</code> that represents the transformation
    266. 

  266. of a XR controller in target ray space. The requested controller is defined
    267. 

  267. by the given index.</p>
    268. 

  268. 						</div>
    269. 

  269. 						<table class="params">
    270. 

  270. 							<tbody>
    271. 

  271. 								<tr>
    272. 

  272. 									<td class="name">
    273. 

  273. 										<strong>index</strong>
    274. 

  274. 									</td>
    275. 

  275. 									<td class="description last">
    276. 

  276. 										<p>The index of the XR controller.</p>
    277. 

  277. 									</td>
    278. 

  278. 								</tr>
    279. 

  279. 							</tbody>
    280. 

  280. 						</table>
    281. 

  281. 						<dl class="details">
    282. 

  282. 							<dt class="tag-returns"><strong>Returns:</strong> A group that represents the controller's transformation.</dt>
    283. 

  283. 						</dl>
    284. 

  284. 					</div>
    285. 

  285. 					<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>
    286. 

  286. 					<div class="method">
    287. 

  287. 						<div class="description">
    288. 

  288. 							<p>Returns an instance of <code>THREE.Group</code> that represents the transformation
    289. 

  289. of a XR controller in grip space. The requested controller is defined
    290. 

  290. by the given index.</p>
    291. 

  291. 						</div>
    292. 

  292. 						<table class="params">
    293. 

  293. 							<tbody>
    294. 

  294. 								<tr>
    295. 

  295. 									<td class="name">
    296. 

  296. 										<strong>index</strong>
    297. 

  297. 									</td>
    298. 

  298. 									<td class="description last">
    299. 

  299. 										<p>The index of the XR controller.</p>
    300. 

  300. 									</td>
    301. 

  301. 								</tr>
    302. 

  302. 							</tbody>
    303. 

  303. 						</table>
    304. 

  304. 						<dl class="details">
    305. 

  305. 							<dt class="tag-returns"><strong>Returns:</strong> A group that represents the controller's transformation.</dt>
    306. 

  306. 						</dl>
    307. 

  307. 					</div>
    308. 

  308. 					<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>
    309. 

  309. 					<div class="method">
    310. 

  310. 						<div class="description">
    311. 

  311. 							<p>Returns the environment blend mode from the current XR session.</p>
    312. 

  312. 						</div>
    313. 

  313. 						<dl class="details">
    314. 

  314. 							<dt class="tag-returns"><strong>Returns:</strong> The environment blend mode. Returns <code>undefined</code> when used outside of a XR session.</dt>
    315. 

  315. 						</dl>
    316. 

  316. 					</div>
    317. 

  317. 					<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>
    318. 

  318. 					<div class="method">
    319. 

  319. 						<div class="description">
    320. 

  320. 							<p>Returns the foveation value.</p>
    321. 

  321. 						</div>
    322. 

  322. 						<dl class="details">
    323. 

  323. 							<dt class="tag-returns"><strong>Returns:</strong> The foveation value. Returns <code>undefined</code> if no base or projection layer is defined.</dt>
    324. 

  324. 						</dl>
    325. 

  325. 					</div>
    326. 

  326. 					<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>
    327. 

  327. 					<div class="method">
    328. 

  328. 						<div class="description">
    329. 

  329. 							<p>Returns the current XR frame.</p>
    330. 

  330. 						</div>
    331. 

  331. 						<dl class="details">
    332. 

  332. 							<dt class="tag-returns"><strong>Returns:</strong> The XR frame. Returns <code>null</code> when used outside a XR session.</dt>
    333. 

  333. 						</dl>
    334. 

  334. 					</div>
    335. 

  335. 					<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>
    336. 

  336. 					<div class="method">
    337. 

  337. 						<div class="description">
    338. 

  338. 							<p>Returns the framebuffer scale factor.</p>
    339. 

  339. 						</div>
    340. 

  340. 						<dl class="details">
    341. 

  341. 							<dt class="tag-returns"><strong>Returns:</strong> The framebuffer scale factor.</dt>
    342. 

  342. 						</dl>
    343. 

  343. 					</div>
    344. 

  344. 					<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>
    345. 

  345. 					<div class="method">
    346. 

  346. 						<div class="description">
    347. 

  347. 							<p>Returns an instance of <code>THREE.Group</code> that represents the transformation
    348. 

  348. of a XR controller in hand space. The requested controller is defined
    349. 

  349. by the given index.</p>
    350. 

  350. 						</div>
    351. 

  351. 						<table class="params">
    352. 

  352. 							<tbody>
    353. 

  353. 								<tr>
    354. 

  354. 									<td class="name">
    355. 

  355. 										<strong>index</strong>
    356. 

  356. 									</td>
    357. 

  357. 									<td class="description last">
    358. 

  358. 										<p>The index of the XR controller.</p>
    359. 

  359. 									</td>
    360. 

  360. 								</tr>
    361. 

  361. 							</tbody>
    362. 

  362. 						</table>
    363. 

  363. 						<dl class="details">
    364. 

  364. 							<dt class="tag-returns"><strong>Returns:</strong> A group that represents the controller's transformation.</dt>
    365. 

  365. 						</dl>
    366. 

  366. 					</div>
    367. 

  367. 					<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>
    368. 

  368. 					<div class="method">
    369. 

  369. 						<div class="description">
    370. 

  370. 							<p>Returns the XR reference space.</p>
    371. 

  371. 						</div>
    372. 

  372. 						<dl class="details">
    373. 

  373. 							<dt class="tag-returns"><strong>Returns:</strong> The XR reference space.</dt>
    374. 

  374. 						</dl>
    375. 

  375. 					</div>
    376. 

  376. 					<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>
    377. 

  377. 					<div class="method">
    378. 

  378. 						<div class="description">
    379. 

  379. 							<p>Returns the reference space type.</p>
    380. 

  380. 						</div>
    381. 

  381. 						<dl class="details">
    382. 

  382. 							<dt class="tag-returns"><strong>Returns:</strong> The reference space type.</dt>
    383. 

  383. 						</dl>
    384. 

  384. 					</div>
    385. 

  385. 					<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>
    386. 

  386. 					<div class="method">
    387. 

  387. 						<div class="description">
    388. 

  388. 							<p>Returns the current XR session.</p>
    389. 

  389. 						</div>
    390. 

  390. 						<dl class="details">
    391. 

  391. 							<dt class="tag-returns"><strong>Returns:</strong> The XR session. Returns <code>null</code> when used outside a XR session.</dt>
    392. 

  392. 						</dl>
    393. 

  393. 					</div>
    394. 

  394. 					<h3 class="name name-method" id="renderLayers" translate="no">.<a href="#renderLayers">renderLayers</a><span class="signature">()</span> </h3>
    395. 

  395. 					<div class="method">
    396. 

  396. 						<div class="description">
    397. 

  397. 							<p>Renders the XR layers that have been previously added to the scene.</p>
    398. 

  398. <p>This method is usually called in your animation loop before rendering
    399. 

  399. the actual scene via <code>renderer.render( scene, camera );</code>.</p>
    400. 

  400. 						</div>
    401. 

  401. 					</div>
    402. 

  402. 					<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>
    403. 

  403. 					<div class="method">
    404. 

  404. 						<div class="description">
    405. 

  405. 							<p>Sets the foveation value.</p>
    406. 

  406. 						</div>
    407. 

  407. 						<table class="params">
    408. 

  408. 							<tbody>
    409. 

  409. 								<tr>
    410. 

  410. 									<td class="name">
    411. 

  411. 										<strong>foveation</strong>
    412. 

  412. 									</td>
    413. 

  413. 									<td class="description last">
    414. 

  414. 										<p>A number in the range <code>[0,1]</code> where <code>0</code> means no foveation (full resolution)
    415. 

  415. and <code>1</code> means maximum foveation (the edges render at lower resolution).</p>
    416. 

  416. 									</td>
    417. 

  417. 								</tr>
    418. 

  418. 							</tbody>
    419. 

  419. 						</table>
    420. 

  420. 					</div>
    421. 

  421. 					<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>
    422. 

  422. 					<div class="method">
    423. 

  423. 						<div class="description">
    424. 

  424. 							<p>Sets the framebuffer scale factor.</p>
    425. 

  425. <p>This method can not be used during a XR session.</p>
    426. 

  426. 						</div>
    427. 

  427. 						<table class="params">
    428. 

  428. 							<tbody>
    429. 

  429. 								<tr>
    430. 

  430. 									<td class="name">
    431. 

  431. 										<strong>factor</strong>
    432. 

  432. 									</td>
    433. 

  433. 									<td class="description last">
    434. 

  434. 										<p>The framebuffer scale factor.</p>
    435. 

  435. 									</td>
    436. 

  436. 								</tr>
    437. 

  437. 							</tbody>
    438. 

  438. 						</table>
    439. 

  439. 					</div>
    440. 

  440. 					<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>
    441. 

  441. 					<div class="method">
    442. 

  442. 						<div class="description">
    443. 

  443. 							<p>Sets a custom XR reference space.</p>
    444. 

  444. 						</div>
    445. 

  445. 						<table class="params">
    446. 

  446. 							<tbody>
    447. 

  447. 								<tr>
    448. 

  448. 									<td class="name">
    449. 

  449. 										<strong>space</strong>
    450. 

  450. 									</td>
    451. 

  451. 									<td class="description last">
    452. 

  452. 										<p>The XR reference space.</p>
    453. 

  453. 									</td>
    454. 

  454. 								</tr>
    455. 

  455. 							</tbody>
    456. 

  456. 						</table>
    457. 

  457. 					</div>
    458. 

  458. 					<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>
    459. 

  459. 					<div class="method">
    460. 

  460. 						<div class="description">
    461. 

  461. 							<p>Sets the reference space type.</p>
    462. 

  462. <p>This method can not be used during a XR session.</p>
    463. 

  463. 						</div>
    464. 

  464. 						<table class="params">
    465. 

  465. 							<tbody>
    466. 

  466. 								<tr>
    467. 

  467. 									<td class="name">
    468. 

  468. 										<strong>type</strong>
    469. 

  469. 									</td>
    470. 

  470. 									<td class="description last">
    471. 

  471. 										<p>The reference space type.</p>
    472. 

  472. 									</td>
    473. 

  473. 								</tr>
    474. 

  474. 							</tbody>
    475. 

  475. 						</table>
    476. 

  476. 					</div>
    477. 

  477. 					<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>
    478. 

  478. 					<div class="method">
    479. 

  479. 						<div class="description">
    480. 

  480. 							<p>After a XR session has been requested usually with one of the <code>*Button</code> modules, it
    481. 

  481. is injected into the renderer with this method. This method triggers the start of
    482. 

  482. the actual XR rendering.</p>
    483. 

  483. 						</div>
    484. 

  484. 						<table class="params">
    485. 

  485. 							<tbody>
    486. 

  486. 								<tr>
    487. 

  487. 									<td class="name">
    488. 

  488. 										<strong>session</strong>
    489. 

  489. 									</td>
    490. 

  490. 									<td class="description last">
    491. 

  491. 										<p>The XR session to set.</p>
    492. 

  492. 									</td>
    493. 

  493. 								</tr>
    494. 

  494. 							</tbody>
    495. 

  495. 						</table>
    496. 

  496. 						<dl class="details">
    497. 

  497. 							<dt class="tag-returns"><strong>Returns:</strong> A Promise that resolves when the session has been set.</dt>
    498. 

  498. 						</dl>
    499. 

  499. 					</div>
    500. 

  500. 					<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>
    501. 

  501. 					<div class="method">
    502. 

  502. 						<div class="description">
    503. 

  503. 							<p>This method is called by the renderer per frame and updates the XR camera
    504. 

  504. and it sub cameras based on the given camera. The given camera is the &quot;user&quot;
    505. 

  505. camera created on application level and used for non-XR rendering.</p>
    506. 

  506. 						</div>
    507. 

  507. 						<table class="params">
    508. 

  508. 							<tbody>
    509. 

  509. 								<tr>
    510. 

  510. 									<td class="name">
    511. 

  511. 										<strong>camera</strong>
    512. 

  512. 									</td>
    513. 

  513. 									<td class="description last">
    514. 

  514. 										<p>The camera.</p>
    515. 

  515. 									</td>
    516. 

  516. 								</tr>
    517. 

  517. 							</tbody>
    518. 

  518. 						</table>
    519. 

  519. 					</div>
    520. 

  520. 					<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>
    521. 

  521. 					<div class="method">
    522. 

  522. 						<div class="description">
    523. 

  523. 							<p>Returns <code>true</code> if the engine renders to a multiview target.</p>
    524. 

  524. 						</div>
    525. 

  525. 						<dl class="details">
    526. 

  526. 							<dt class="tag-returns"><strong>Returns:</strong> Whether the engine renders to a multiview render target or not.</dt>
    527. 

  527. 						</dl>
    528. 

  528. 					</div>
    529. 

  529. 				<h2 class="subsection-title">Source</h2>
    530. 

  530. 				<p>
    531. 

  531. 					<a href="https://github.com/mrdoob/three.js/blob/master/src/renderers/common/XRManager.js" translate="no" target="_blank" rel="noopener">src/renderers/common/XRManager.js</a>
    532. 

  532. 				</p>
    533. 

  533. 			</article>
    534. 

  534. 		</section>
    535. 

  535. <script src="../scripts/linenumber.js"></script>
    536. 

  536. <script src="../scripts/page.js"></script>
    537. 

  537. </body>
    538. 

  538. </html>
    539.
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