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Ray.html

Ray.html 21 KB
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  1. <!DOCTYPE html>
    2. 

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

  3. <head>
    4. 

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

  5. 	<title>Ray - 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. 	<h1 translate="no">Ray</h1>
    13. 

  13. 		<section>
    14. 

  14. 			<header>
    15. 

  15. 				<div class="class-description"><p>A ray that emits from an origin in a certain direction. The class is used by
    16. 

  16. <a href="Raycaster.html">Raycaster</a> to assist with raycasting. Raycasting is used for
    17. 

  17. mouse picking (working out what objects in the 3D space the mouse is over)
    18. 

  18. amongst other things.</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="Ray" translate="no">new <a href="#Ray">Ray</a><span class="signature">( origin : <span class="param-type">Vector3</span>, direction : <span class="param-type">Vector3</span> )</span> </h3>
    24. 

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

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

  26. 							<p>Constructs a new ray.</p>
    27. 

  27. 						</div>
    28. 

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

  29. 							<tbody>
    30. 

  30. 								<tr>
    31. 

  31. 									<td class="name"><code>origin</code></td>
    32. 

  32. 									<td class="description last"><p>The origin of the ray.<br/>Default is <code>(0,0,0)</code>.</p></td>
    33. 

  33. 								</tr>
    34. 

  34. 								<tr>
    35. 

  35. 									<td class="name"><code>direction</code></td>
    36. 

  36. 									<td class="description last"><p>The (normalized) direction of the ray.<br/>Default is <code>(0,0,-1)</code>.</p></td>
    37. 

  37. 								</tr>
    38. 

  38. 							</tbody>
    39. 

  39. 						</table>
    40. 

  40. 					</div>
    41. 

  41. 				</div>
    42. 

  42. 				<h2 class="subsection-title">Properties</h2>
    43. 

  43. 				<div class="member">
    44. 

  44. 					<h3 class="name" id="direction" translate="no">.<a href="#direction">direction</a><span class="type-signature"> : <a href="Vector3.html">Vector3</a></span> </h3>
    45. 

  45. 					<div class="description">
    46. 

  46. 						<p>The (normalized) direction of the ray.</p>
    47. 

  47. 					</div>
    48. 

  48. 				</div>
    49. 

  49. 				<div class="member">
    50. 

  50. 					<h3 class="name" id="origin" translate="no">.<a href="#origin">origin</a><span class="type-signature"> : <a href="Vector3.html">Vector3</a></span> </h3>
    51. 

  51. 					<div class="description">
    52. 

  52. 						<p>The origin of the ray.</p>
    53. 

  53. 					</div>
    54. 

  54. 				</div>
    55. 

  55. 				<h2 class="subsection-title">Methods</h2>
    56. 

  56. 					<h3 class="name name-method" id="applyMatrix4" translate="no">.<a href="#applyMatrix4">applyMatrix4</a><span class="signature">( matrix4 : <span class="param-type">Matrix4</span> )</span><span class="type-signature"> : <a href="Ray.html">Ray</a></span> </h3>
    57. 

  57. 					<div class="method">
    58. 

  58. 						<div class="description">
    59. 

  59. 							<p>Transforms this ray with the given 4x4 transformation matrix.</p>
    60. 

  60. 						</div>
    61. 

  61. 						<table class="params">
    62. 

  62. 							<tbody>
    63. 

  63. 								<tr>
    64. 

  64. 									<td class="name"><code>matrix4</code></td>
    65. 

  65. 									<td class="description last"><p>The transformation matrix.</p></td>
    66. 

  66. 								</tr>
    67. 

  67. 							</tbody>
    68. 

  68. 						</table>
    69. 

  69. 						<dl class="details">
    70. 

  70. 							<dt class="tag-returns"><strong>Returns:</strong> A reference to this ray.</dt>
    71. 

  71. 						</dl>
    72. 

  72. 					</div>
    73. 

  73. 					<h3 class="name name-method" id="at" translate="no">.<a href="#at">at</a><span class="signature">( t : <span class="param-type">number</span>, target : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : <a href="Vector3.html">Vector3</a></span> </h3>
    74. 

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

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

  76. 							<p>Returns a vector that is located at a given distance along this ray.</p>
    77. 

  77. 						</div>
    78. 

  78. 						<table class="params">
    79. 

  79. 							<tbody>
    80. 

  80. 								<tr>
    81. 

  81. 									<td class="name"><code>t</code></td>
    82. 

  82. 									<td class="description last"><p>The distance along the ray to retrieve a position for.</p></td>
    83. 

  83. 								</tr>
    84. 

  84. 								<tr>
    85. 

  85. 									<td class="name"><code>target</code></td>
    86. 

  86. 									<td class="description last"><p>The target vector that is used to store the method's result.</p></td>
    87. 

  87. 								</tr>
    88. 

  88. 							</tbody>
    89. 

  89. 						</table>
    90. 

  90. 						<dl class="details">
    91. 

  91. 							<dt class="tag-returns"><strong>Returns:</strong> A position on the ray.</dt>
    92. 

  92. 						</dl>
    93. 

  93. 					</div>
    94. 

  94. 					<h3 class="name name-method" id="clone" translate="no">.<a href="#clone">clone</a><span class="signature">()</span><span class="type-signature"> : <a href="Ray.html">Ray</a></span> </h3>
    95. 

  95. 					<div class="method">
    96. 

  96. 						<div class="description">
    97. 

  97. 							<p>Returns a new ray with copied values from this instance.</p>
    98. 

  98. 						</div>
    99. 

  99. 						<dl class="details">
    100. 

  100. 							<dt class="tag-returns"><strong>Returns:</strong> A clone of this instance.</dt>
    101. 

  101. 						</dl>
    102. 

  102. 					</div>
    103. 

  103. 					<h3 class="name name-method" id="closestPointToPoint" translate="no">.<a href="#closestPointToPoint">closestPointToPoint</a><span class="signature">( point : <span class="param-type">Vector3</span>, target : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : <a href="Vector3.html">Vector3</a></span> </h3>
    104. 

  104. 					<div class="method">
    105. 

  105. 						<div class="description">
    106. 

  106. 							<p>Returns the point along this ray that is closest to the given point.</p>
    107. 

  107. 						</div>
    108. 

  108. 						<table class="params">
    109. 

  109. 							<tbody>
    110. 

  110. 								<tr>
    111. 

  111. 									<td class="name"><code>point</code></td>
    112. 

  112. 									<td class="description last"><p>A point in 3D space to get the closet location on the ray for.</p></td>
    113. 

  113. 								</tr>
    114. 

  114. 								<tr>
    115. 

  115. 									<td class="name"><code>target</code></td>
    116. 

  116. 									<td class="description last"><p>The target vector that is used to store the method's result.</p></td>
    117. 

  117. 								</tr>
    118. 

  118. 							</tbody>
    119. 

  119. 						</table>
    120. 

  120. 						<dl class="details">
    121. 

  121. 							<dt class="tag-returns"><strong>Returns:</strong> The closest point on this ray.</dt>
    122. 

  122. 						</dl>
    123. 

  123. 					</div>
    124. 

  124. 					<h3 class="name name-method" id="copy" translate="no">.<a href="#copy">copy</a><span class="signature">( ray : <span class="param-type">Ray</span> )</span><span class="type-signature"> : <a href="Ray.html">Ray</a></span> </h3>
    125. 

  125. 					<div class="method">
    126. 

  126. 						<div class="description">
    127. 

  127. 							<p>Copies the values of the given ray to this instance.</p>
    128. 

  128. 						</div>
    129. 

  129. 						<table class="params">
    130. 

  130. 							<tbody>
    131. 

  131. 								<tr>
    132. 

  132. 									<td class="name"><code>ray</code></td>
    133. 

  133. 									<td class="description last"><p>The ray to copy.</p></td>
    134. 

  134. 								</tr>
    135. 

  135. 							</tbody>
    136. 

  136. 						</table>
    137. 

  137. 						<dl class="details">
    138. 

  138. 							<dt class="tag-returns"><strong>Returns:</strong> A reference to this ray.</dt>
    139. 

  139. 						</dl>
    140. 

  140. 					</div>
    141. 

  141. 					<h3 class="name name-method" id="distanceSqToPoint" translate="no">.<a href="#distanceSqToPoint">distanceSqToPoint</a><span class="signature">( point : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : number</span> </h3>
    142. 

  142. 					<div class="method">
    143. 

  143. 						<div class="description">
    144. 

  144. 							<p>Returns the squared distance of the closest approach between this ray and the given point.</p>
    145. 

  145. 						</div>
    146. 

  146. 						<table class="params">
    147. 

  147. 							<tbody>
    148. 

  148. 								<tr>
    149. 

  149. 									<td class="name"><code>point</code></td>
    150. 

  150. 									<td class="description last"><p>A point in 3D space to compute the distance to.</p></td>
    151. 

  151. 								</tr>
    152. 

  152. 							</tbody>
    153. 

  153. 						</table>
    154. 

  154. 						<dl class="details">
    155. 

  155. 							<dt class="tag-returns"><strong>Returns:</strong> The squared distance.</dt>
    156. 

  156. 						</dl>
    157. 

  157. 					</div>
    158. 

  158. 					<h3 class="name name-method" id="distanceSqToSegment" translate="no">.<a href="#distanceSqToSegment">distanceSqToSegment</a><span class="signature">( v0 : <span class="param-type">Vector3</span>, v1 : <span class="param-type">Vector3</span>, optionalPointOnRay : <span class="param-type">Vector3</span>, optionalPointOnSegment : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : number</span> </h3>
    159. 

  159. 					<div class="method">
    160. 

  160. 						<div class="description">
    161. 

  161. 							<p>Returns the squared distance between this ray and the given line segment.</p>
    162. 

  162. 						</div>
    163. 

  163. 						<table class="params">
    164. 

  164. 							<tbody>
    165. 

  165. 								<tr>
    166. 

  166. 									<td class="name"><code>v0</code></td>
    167. 

  167. 									<td class="description last"><p>The start point of the line segment.</p></td>
    168. 

  168. 								</tr>
    169. 

  169. 								<tr>
    170. 

  170. 									<td class="name"><code>v1</code></td>
    171. 

  171. 									<td class="description last"><p>The end point of the line segment.</p></td>
    172. 

  172. 								</tr>
    173. 

  173. 								<tr>
    174. 

  174. 									<td class="name"><code>optionalPointOnRay</code></td>
    175. 

  175. 									<td class="description last"><p>When provided, it receives the point on this ray that is closest to the segment.</p></td>
    176. 

  176. 								</tr>
    177. 

  177. 								<tr>
    178. 

  178. 									<td class="name"><code>optionalPointOnSegment</code></td>
    179. 

  179. 									<td class="description last"><p>When provided, it receives the point on the line segment that is closest to this ray.</p></td>
    180. 

  180. 								</tr>
    181. 

  181. 							</tbody>
    182. 

  182. 						</table>
    183. 

  183. 						<dl class="details">
    184. 

  184. 							<dt class="tag-returns"><strong>Returns:</strong> The squared distance.</dt>
    185. 

  185. 						</dl>
    186. 

  186. 					</div>
    187. 

  187. 					<h3 class="name name-method" id="distanceToPlane" translate="no">.<a href="#distanceToPlane">distanceToPlane</a><span class="signature">( plane : <span class="param-type">Plane</span> )</span><span class="type-signature"> : number</span> </h3>
    188. 

  188. 					<div class="method">
    189. 

  189. 						<div class="description">
    190. 

  190. 							<p>Computes the distance from the ray's origin to the given plane. Returns <code>null</code> if the ray
    191. 

  191. does not intersect with the plane.</p>
    192. 

  192. 						</div>
    193. 

  193. 						<table class="params">
    194. 

  194. 							<tbody>
    195. 

  195. 								<tr>
    196. 

  196. 									<td class="name"><code>plane</code></td>
    197. 

  197. 									<td class="description last"><p>The plane to compute the distance to.</p></td>
    198. 

  198. 								</tr>
    199. 

  199. 							</tbody>
    200. 

  200. 						</table>
    201. 

  201. 						<dl class="details">
    202. 

  202. 							<dt class="tag-returns"><strong>Returns:</strong> Whether this ray intersects with the given sphere or not.</dt>
    203. 

  203. 						</dl>
    204. 

  204. 					</div>
    205. 

  205. 					<h3 class="name name-method" id="distanceToPoint" translate="no">.<a href="#distanceToPoint">distanceToPoint</a><span class="signature">( point : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : number</span> </h3>
    206. 

  206. 					<div class="method">
    207. 

  207. 						<div class="description">
    208. 

  208. 							<p>Returns the distance of the closest approach between this ray and the given point.</p>
    209. 

  209. 						</div>
    210. 

  210. 						<table class="params">
    211. 

  211. 							<tbody>
    212. 

  212. 								<tr>
    213. 

  213. 									<td class="name"><code>point</code></td>
    214. 

  214. 									<td class="description last"><p>A point in 3D space to compute the distance to.</p></td>
    215. 

  215. 								</tr>
    216. 

  216. 							</tbody>
    217. 

  217. 						</table>
    218. 

  218. 						<dl class="details">
    219. 

  219. 							<dt class="tag-returns"><strong>Returns:</strong> The distance.</dt>
    220. 

  220. 						</dl>
    221. 

  221. 					</div>
    222. 

  222. 					<h3 class="name name-method" id="equals" translate="no">.<a href="#equals">equals</a><span class="signature">( ray : <span class="param-type">Ray</span> )</span><span class="type-signature"> : boolean</span> </h3>
    223. 

  223. 					<div class="method">
    224. 

  224. 						<div class="description">
    225. 

  225. 							<p>Returns <code>true</code> if this ray is equal with the given one.</p>
    226. 

  226. 						</div>
    227. 

  227. 						<table class="params">
    228. 

  228. 							<tbody>
    229. 

  229. 								<tr>
    230. 

  230. 									<td class="name"><code>ray</code></td>
    231. 

  231. 									<td class="description last"><p>The ray to test for equality.</p></td>
    232. 

  232. 								</tr>
    233. 

  233. 							</tbody>
    234. 

  234. 						</table>
    235. 

  235. 						<dl class="details">
    236. 

  236. 							<dt class="tag-returns"><strong>Returns:</strong> Whether this ray is equal with the given one.</dt>
    237. 

  237. 						</dl>
    238. 

  238. 					</div>
    239. 

  239. 					<h3 class="name name-method" id="intersectBox" translate="no">.<a href="#intersectBox">intersectBox</a><span class="signature">( box : <span class="param-type">Box3</span>, target : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : <a href="Vector3.html">Vector3</a></span> </h3>
    240. 

  240. 					<div class="method">
    241. 

  241. 						<div class="description">
    242. 

  242. 							<p>Intersects this ray with the given bounding box, returning the intersection
    243. 

  243. point or <code>null</code> if there is no intersection.</p>
    244. 

  244. 						</div>
    245. 

  245. 						<table class="params">
    246. 

  246. 							<tbody>
    247. 

  247. 								<tr>
    248. 

  248. 									<td class="name"><code>box</code></td>
    249. 

  249. 									<td class="description last"><p>The box to intersect.</p></td>
    250. 

  250. 								</tr>
    251. 

  251. 								<tr>
    252. 

  252. 									<td class="name"><code>target</code></td>
    253. 

  253. 									<td class="description last"><p>The target vector that is used to store the method's result.</p></td>
    254. 

  254. 								</tr>
    255. 

  255. 							</tbody>
    256. 

  256. 						</table>
    257. 

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

  258. 							<dt class="tag-returns"><strong>Returns:</strong> The intersection point.</dt>
    259. 

  259. 						</dl>
    260. 

  260. 					</div>
    261. 

  261. 					<h3 class="name name-method" id="intersectPlane" translate="no">.<a href="#intersectPlane">intersectPlane</a><span class="signature">( plane : <span class="param-type">Plane</span>, target : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : <a href="Vector3.html">Vector3</a></span> </h3>
    262. 

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

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

  264. 							<p>Intersects this ray with the given plane, returning the intersection
    265. 

  265. point or <code>null</code> if there is no intersection.</p>
    266. 

  266. 						</div>
    267. 

  267. 						<table class="params">
    268. 

  268. 							<tbody>
    269. 

  269. 								<tr>
    270. 

  270. 									<td class="name"><code>plane</code></td>
    271. 

  271. 									<td class="description last"><p>The plane to intersect.</p></td>
    272. 

  272. 								</tr>
    273. 

  273. 								<tr>
    274. 

  274. 									<td class="name"><code>target</code></td>
    275. 

  275. 									<td class="description last"><p>The target vector that is used to store the method's result.</p></td>
    276. 

  276. 								</tr>
    277. 

  277. 							</tbody>
    278. 

  278. 						</table>
    279. 

  279. 						<dl class="details">
    280. 

  280. 							<dt class="tag-returns"><strong>Returns:</strong> The intersection point.</dt>
    281. 

  281. 						</dl>
    282. 

  282. 					</div>
    283. 

  283. 					<h3 class="name name-method" id="intersectSphere" translate="no">.<a href="#intersectSphere">intersectSphere</a><span class="signature">( sphere : <span class="param-type">Sphere</span>, target : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : <a href="Vector3.html">Vector3</a></span> </h3>
    284. 

  284. 					<div class="method">
    285. 

  285. 						<div class="description">
    286. 

  286. 							<p>Intersects this ray with the given sphere, returning the intersection
    287. 

  287. point or <code>null</code> if there is no intersection.</p>
    288. 

  288. 						</div>
    289. 

  289. 						<table class="params">
    290. 

  290. 							<tbody>
    291. 

  291. 								<tr>
    292. 

  292. 									<td class="name"><code>sphere</code></td>
    293. 

  293. 									<td class="description last"><p>The sphere to intersect.</p></td>
    294. 

  294. 								</tr>
    295. 

  295. 								<tr>
    296. 

  296. 									<td class="name"><code>target</code></td>
    297. 

  297. 									<td class="description last"><p>The target vector that is used to store the method's result.</p></td>
    298. 

  298. 								</tr>
    299. 

  299. 							</tbody>
    300. 

  300. 						</table>
    301. 

  301. 						<dl class="details">
    302. 

  302. 							<dt class="tag-returns"><strong>Returns:</strong> The intersection point.</dt>
    303. 

  303. 						</dl>
    304. 

  304. 					</div>
    305. 

  305. 					<h3 class="name name-method" id="intersectTriangle" translate="no">.<a href="#intersectTriangle">intersectTriangle</a><span class="signature">( a : <span class="param-type">Vector3</span>, b : <span class="param-type">Vector3</span>, c : <span class="param-type">Vector3</span>, backfaceCulling : <span class="param-type">boolean</span>, target : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : <a href="Vector3.html">Vector3</a></span> </h3>
    306. 

  306. 					<div class="method">
    307. 

  307. 						<div class="description">
    308. 

  308. 							<p>Intersects this ray with the given triangle, returning the intersection
    309. 

  309. point or <code>null</code> if there is no intersection.</p>
    310. 

  310. 						</div>
    311. 

  311. 						<table class="params">
    312. 

  312. 							<tbody>
    313. 

  313. 								<tr>
    314. 

  314. 									<td class="name"><code>a</code></td>
    315. 

  315. 									<td class="description last"><p>The first vertex of the triangle.</p></td>
    316. 

  316. 								</tr>
    317. 

  317. 								<tr>
    318. 

  318. 									<td class="name"><code>b</code></td>
    319. 

  319. 									<td class="description last"><p>The second vertex of the triangle.</p></td>
    320. 

  320. 								</tr>
    321. 

  321. 								<tr>
    322. 

  322. 									<td class="name"><code>c</code></td>
    323. 

  323. 									<td class="description last"><p>The third vertex of the triangle.</p></td>
    324. 

  324. 								</tr>
    325. 

  325. 								<tr>
    326. 

  326. 									<td class="name"><code>backfaceCulling</code></td>
    327. 

  327. 									<td class="description last"><p>Whether to use backface culling or not.</p></td>
    328. 

  328. 								</tr>
    329. 

  329. 								<tr>
    330. 

  330. 									<td class="name"><code>target</code></td>
    331. 

  331. 									<td class="description last"><p>The target vector that is used to store the method's result.</p></td>
    332. 

  332. 								</tr>
    333. 

  333. 							</tbody>
    334. 

  334. 						</table>
    335. 

  335. 						<dl class="details">
    336. 

  336. 							<dt class="tag-returns"><strong>Returns:</strong> The intersection point.</dt>
    337. 

  337. 						</dl>
    338. 

  338. 					</div>
    339. 

  339. 					<h3 class="name name-method" id="intersectsBox" translate="no">.<a href="#intersectsBox">intersectsBox</a><span class="signature">( box : <span class="param-type">Box3</span> )</span><span class="type-signature"> : boolean</span> </h3>
    340. 

  340. 					<div class="method">
    341. 

  341. 						<div class="description">
    342. 

  342. 							<p>Returns <code>true</code> if this ray intersects with the given box.</p>
    343. 

  343. 						</div>
    344. 

  344. 						<table class="params">
    345. 

  345. 							<tbody>
    346. 

  346. 								<tr>
    347. 

  347. 									<td class="name"><code>box</code></td>
    348. 

  348. 									<td class="description last"><p>The box to intersect.</p></td>
    349. 

  349. 								</tr>
    350. 

  350. 							</tbody>
    351. 

  351. 						</table>
    352. 

  352. 						<dl class="details">
    353. 

  353. 							<dt class="tag-returns"><strong>Returns:</strong> Whether this ray intersects with the given box or not.</dt>
    354. 

  354. 						</dl>
    355. 

  355. 					</div>
    356. 

  356. 					<h3 class="name name-method" id="intersectsPlane" translate="no">.<a href="#intersectsPlane">intersectsPlane</a><span class="signature">( plane : <span class="param-type">Plane</span> )</span><span class="type-signature"> : boolean</span> </h3>
    357. 

  357. 					<div class="method">
    358. 

  358. 						<div class="description">
    359. 

  359. 							<p>Returns <code>true</code> if this ray intersects with the given plane.</p>
    360. 

  360. 						</div>
    361. 

  361. 						<table class="params">
    362. 

  362. 							<tbody>
    363. 

  363. 								<tr>
    364. 

  364. 									<td class="name"><code>plane</code></td>
    365. 

  365. 									<td class="description last"><p>The plane to intersect.</p></td>
    366. 

  366. 								</tr>
    367. 

  367. 							</tbody>
    368. 

  368. 						</table>
    369. 

  369. 						<dl class="details">
    370. 

  370. 							<dt class="tag-returns"><strong>Returns:</strong> Whether this ray intersects with the given plane or not.</dt>
    371. 

  371. 						</dl>
    372. 

  372. 					</div>
    373. 

  373. 					<h3 class="name name-method" id="intersectsSphere" translate="no">.<a href="#intersectsSphere">intersectsSphere</a><span class="signature">( sphere : <span class="param-type">Sphere</span> )</span><span class="type-signature"> : boolean</span> </h3>
    374. 

  374. 					<div class="method">
    375. 

  375. 						<div class="description">
    376. 

  376. 							<p>Returns <code>true</code> if this ray intersects with the given sphere.</p>
    377. 

  377. 						</div>
    378. 

  378. 						<table class="params">
    379. 

  379. 							<tbody>
    380. 

  380. 								<tr>
    381. 

  381. 									<td class="name"><code>sphere</code></td>
    382. 

  382. 									<td class="description last"><p>The sphere to intersect.</p></td>
    383. 

  383. 								</tr>
    384. 

  384. 							</tbody>
    385. 

  385. 						</table>
    386. 

  386. 						<dl class="details">
    387. 

  387. 							<dt class="tag-returns"><strong>Returns:</strong> Whether this ray intersects with the given sphere or not.</dt>
    388. 

  388. 						</dl>
    389. 

  389. 					</div>
    390. 

  390. 					<h3 class="name name-method" id="lookAt" translate="no">.<a href="#lookAt">lookAt</a><span class="signature">( v : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : <a href="Ray.html">Ray</a></span> </h3>
    391. 

  391. 					<div class="method">
    392. 

  392. 						<div class="description">
    393. 

  393. 							<p>Adjusts the direction of the ray to point at the given vector in world space.</p>
    394. 

  394. 						</div>
    395. 

  395. 						<table class="params">
    396. 

  396. 							<tbody>
    397. 

  397. 								<tr>
    398. 

  398. 									<td class="name"><code>v</code></td>
    399. 

  399. 									<td class="description last"><p>The target position.</p></td>
    400. 

  400. 								</tr>
    401. 

  401. 							</tbody>
    402. 

  402. 						</table>
    403. 

  403. 						<dl class="details">
    404. 

  404. 							<dt class="tag-returns"><strong>Returns:</strong> A reference to this ray.</dt>
    405. 

  405. 						</dl>
    406. 

  406. 					</div>
    407. 

  407. 					<h3 class="name name-method" id="recast" translate="no">.<a href="#recast">recast</a><span class="signature">( t : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="Ray.html">Ray</a></span> </h3>
    408. 

  408. 					<div class="method">
    409. 

  409. 						<div class="description">
    410. 

  410. 							<p>Shift the origin of this ray along its direction by the given distance.</p>
    411. 

  411. 						</div>
    412. 

  412. 						<table class="params">
    413. 

  413. 							<tbody>
    414. 

  414. 								<tr>
    415. 

  415. 									<td class="name"><code>t</code></td>
    416. 

  416. 									<td class="description last"><p>The distance along the ray to interpolate.</p></td>
    417. 

  417. 								</tr>
    418. 

  418. 							</tbody>
    419. 

  419. 						</table>
    420. 

  420. 						<dl class="details">
    421. 

  421. 							<dt class="tag-returns"><strong>Returns:</strong> A reference to this ray.</dt>
    422. 

  422. 						</dl>
    423. 

  423. 					</div>
    424. 

  424. 					<h3 class="name name-method" id="set" translate="no">.<a href="#set">set</a><span class="signature">( origin : <span class="param-type">Vector3</span>, direction : <span class="param-type">Vector3</span> )</span><span class="type-signature"> : <a href="Ray.html">Ray</a></span> </h3>
    425. 

  425. 					<div class="method">
    426. 

  426. 						<div class="description">
    427. 

  427. 							<p>Sets the ray's components by copying the given values.</p>
    428. 

  428. 						</div>
    429. 

  429. 						<table class="params">
    430. 

  430. 							<tbody>
    431. 

  431. 								<tr>
    432. 

  432. 									<td class="name"><code>origin</code></td>
    433. 

  433. 									<td class="description last"><p>The origin.</p></td>
    434. 

  434. 								</tr>
    435. 

  435. 								<tr>
    436. 

  436. 									<td class="name"><code>direction</code></td>
    437. 

  437. 									<td class="description last"><p>The direction.</p></td>
    438. 

  438. 								</tr>
    439. 

  439. 							</tbody>
    440. 

  440. 						</table>
    441. 

  441. 						<dl class="details">
    442. 

  442. 							<dt class="tag-returns"><strong>Returns:</strong> A reference to this ray.</dt>
    443. 

  443. 						</dl>
    444. 

  444. 					</div>
    445. 

  445. 				<h2 class="subsection-title">Source</h2>
    446. 

  446. 				<p>
    447. 

  447. 					<a href="https://github.com/mrdoob/three.js/blob/master/src/math/Ray.js" target="_blank" rel="noopener" translate="no">src/math/Ray.js</a>
    448. 

  448. 				</p>
    449. 

  449. 			</article>
    450. 

  450. 		</section>
    451. 

  451. <script src="../scripts/linenumber.js"></script>
    452. 

  452. <script src="../scripts/page.js"></script>
    453. 

  453. </body>
    454. 

  454. </html>
    455.
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