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SkinningNode.html

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  1. <!DOCTYPE html>
    2. 

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

  3. <head>
    4. 

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

  5. 	<title>SkinningNode - 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> → <a href="Node.html">Node</a> → </p>
    13. 

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

  14. 		<section>
    15. 

  15. 			<header>
    16. 

  16. 				<div class="class-description"><p>This node implements the vertex transformation shader logic which is required
    17. 

  17. for skinning/skeletal animation.</p></div>
    18. 

  18. 			</header>
    19. 

  19. 			<article>
    20. 

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

  21. 					<h2>Constructor</h2>
    22. 

  22. 					<h3 class="name name-method" id="SkinningNode" translate="no">new <a href="#SkinningNode">SkinningNode</a><span class="signature">( skinnedMesh : <span class="param-type"><a href="SkinnedMesh.html">SkinnedMesh</a></span> )</span> </h3>
    23. 

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

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

  25. 							<p>Constructs a new skinning node.</p>
    26. 

  26. 						</div>
    27. 

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

  28. 							<tbody>
    29. 

  29. 								<tr>
    30. 

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

  31. 										<strong>skinnedMesh</strong>
    32. 

  32. 									</td>
    33. 

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

  34. 										<p>The skinned mesh.</p>
    35. 

  35. 									</td>
    36. 

  36. 								</tr>
    37. 

  37. 							</tbody>
    38. 

  38. 						</table>
    39. 

  39. 					</div>
    40. 

  40. 				</div>
    41. 

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

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

  43. 					<h3 class="name" id="bindMatrixInverseNode" translate="no">.<a href="#bindMatrixInverseNode">bindMatrixInverseNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;mat4></span> </h3>
    44. 

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

  45. 						<p>The bind matrix inverse node.</p>
    46. 

  46. 					</div>
    47. 

  47. 				</div>
    48. 

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

  49. 					<h3 class="name" id="bindMatrixNode" translate="no">.<a href="#bindMatrixNode">bindMatrixNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;mat4></span> </h3>
    50. 

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

  51. 						<p>The bind matrix node.</p>
    52. 

  52. 					</div>
    53. 

  53. 				</div>
    54. 

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

  55. 					<h3 class="name" id="boneMatricesNode" translate="no">.<a href="#boneMatricesNode">boneMatricesNode</a><span class="type-signature"> : <a href="Node.html">Node</a></span> </h3>
    56. 

  56. 					<div class="description">
    57. 

  57. 						<p>The bind matrices as a uniform buffer node.</p>
    58. 

  58. 					</div>
    59. 

  59. 				</div>
    60. 

  60. 				<div class="member">
    61. 

  61. 					<h3 class="name" id="positionNode" translate="no">.<a href="#positionNode">positionNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec3></span> </h3>
    62. 

  62. 					<div class="description">
    63. 

  63. 						<p>The current vertex position in local space.</p>
    64. 

  64. 					</div>
    65. 

  65. 				</div>
    66. 

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

  67. 					<h3 class="name" id="previousBoneMatricesNode" translate="no">.<a href="#previousBoneMatricesNode">previousBoneMatricesNode</a><span class="type-signature"> : <a href="Node.html">Node</a></span> </h3>
    68. 

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

  69. 						<p>The previous bind matrices as a uniform buffer node.
    70. 

  70. Required for computing motion vectors.</p>
    71. 

  71. 						<p>Default is <code>null</code>.</p>
    72. 

  72. 					</div>
    73. 

  73. 				</div>
    74. 

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

  75. 					<h3 class="name" id="skinIndexNode" translate="no">.<a href="#skinIndexNode">skinIndexNode</a><span class="type-signature"> : <a href="AttributeNode.html">AttributeNode</a></span> </h3>
    76. 

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

  77. 						<p>The skin index attribute.</p>
    78. 

  78. 					</div>
    79. 

  79. 				</div>
    80. 

  80. 				<div class="member">
    81. 

  81. 					<h3 class="name" id="skinWeightNode" translate="no">.<a href="#skinWeightNode">skinWeightNode</a><span class="type-signature"> : <a href="AttributeNode.html">AttributeNode</a></span> </h3>
    82. 

  82. 					<div class="description">
    83. 

  83. 						<p>The skin weight attribute.</p>
    84. 

  84. 					</div>
    85. 

  85. 				</div>
    86. 

  86. 				<div class="member">
    87. 

  87. 					<h3 class="name" id="skinnedMesh" translate="no">.<a href="#skinnedMesh">skinnedMesh</a><span class="type-signature"> : <a href="SkinnedMesh.html">SkinnedMesh</a></span> </h3>
    88. 

  88. 					<div class="description">
    89. 

  89. 						<p>The skinned mesh.</p>
    90. 

  90. 					</div>
    91. 

  91. 				</div>
    92. 

  92. 				<div class="member">
    93. 

  93. 					<h3 class="name" id="toPositionNode" translate="no">.<a href="#toPositionNode">toPositionNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec3></span> </h3>
    94. 

  94. 					<div class="description">
    95. 

  95. 						<p>The result of vertex position in local space.</p>
    96. 

  96. 					</div>
    97. 

  97. 				</div>
    98. 

  98. 				<div class="member">
    99. 

  99. 					<h3 class="name" id="updateType" translate="no">.<a href="#updateType">updateType</a><span class="type-signature"> : string</span> </h3>
    100. 

  100. 					<div class="description">
    101. 

  101. 						<p>The update type overwritten since skinning nodes are updated per object.</p>
    102. 

  102. 					</div>
    103. 

  103. 						<dl class="details">
    104. 

  104. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Node.html#updateType">Node#updateType</a></dt>
    105. 

  105. 						</dl>
    106. 

  106. 				</div>
    107. 

  107. 				<h2 class="subsection-title">Methods</h2>
    108. 

  108. 					<h3 class="name name-method" id="generate" translate="no">.<a href="#generate">generate</a><span class="signature">( builder : <span class="param-type"><a href="NodeBuilder.html">NodeBuilder</a></span>, output : <span class="param-type">string</span> )</span><span class="type-signature"> : string</span> </h3>
    109. 

  109. 					<div class="method">
    110. 

  110. 						<div class="description">
    111. 

  111. 							<p>Generates the code snippet of the skinning node.</p>
    112. 

  112. 						</div>
    113. 

  113. 						<table class="params">
    114. 

  114. 							<tbody>
    115. 

  115. 								<tr>
    116. 

  116. 									<td class="name">
    117. 

  117. 										<strong>builder</strong>
    118. 

  118. 									</td>
    119. 

  119. 									<td class="description last">
    120. 

  120. 										<p>The current node builder.</p>
    121. 

  121. 									</td>
    122. 

  122. 								</tr>
    123. 

  123. 								<tr>
    124. 

  124. 									<td class="name">
    125. 

  125. 										<strong>output</strong>
    126. 

  126. 									</td>
    127. 

  127. 									<td class="description last">
    128. 

  128. 										<p>The current output.</p>
    129. 

  129. 									</td>
    130. 

  130. 								</tr>
    131. 

  131. 							</tbody>
    132. 

  132. 						</table>
    133. 

  133. 						<dl class="details">
    134. 

  134. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Node.html#generate">Node#generate</a></dt>
    135. 

  135. 						</dl>
    136. 

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

  137. 							<dt class="tag-returns"><strong>Returns:</strong> The generated code snippet.</dt>
    138. 

  138. 						</dl>
    139. 

  139. 					</div>
    140. 

  140. 					<h3 class="name name-method" id="getPreviousSkinnedPosition" translate="no">.<a href="#getPreviousSkinnedPosition">getPreviousSkinnedPosition</a><span class="signature">( builder : <span class="param-type"><a href="NodeBuilder.html">NodeBuilder</a></span> )</span><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec3></span> </h3>
    141. 

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

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

  143. 							<p>Computes the transformed/skinned vertex position of the previous frame.</p>
    144. 

  144. 						</div>
    145. 

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

  146. 							<tbody>
    147. 

  147. 								<tr>
    148. 

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

  149. 										<strong>builder</strong>
    150. 

  150. 									</td>
    151. 

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

  152. 										<p>The current node builder.</p>
    153. 

  153. 									</td>
    154. 

  154. 								</tr>
    155. 

  155. 							</tbody>
    156. 

  156. 						</table>
    157. 

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

  158. 							<dt class="tag-returns"><strong>Returns:</strong> The skinned position from the previous frame.</dt>
    159. 

  159. 						</dl>
    160. 

  160. 					</div>
    161. 

  161. 					<h3 class="name name-method" id="getSkinnedNormal" translate="no">.<a href="#getSkinnedNormal">getSkinnedNormal</a><span class="signature">( boneMatrices : <span class="param-type"><a href="Node.html">Node</a></span>, normal : <span class="param-type"><a href="Node.html">Node</a>.&lt;vec3></span> )</span><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec3></span> </h3>
    162. 

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

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

  164. 							<p>Transforms the given vertex normal via skinning.</p>
    165. 

  165. 						</div>
    166. 

  166. 						<table class="params">
    167. 

  167. 							<tbody>
    168. 

  168. 								<tr>
    169. 

  169. 									<td class="name">
    170. 

  170. 										<strong>boneMatrices</strong>
    171. 

  171. 									</td>
    172. 

  172. 									<td class="description last">
    173. 

  173. 										<p>The bone matrices</p>
    174. 

  174. 										<p>Default is <code>this.boneMatricesNode</code>.</p>
    175. 

  175. 									</td>
    176. 

  176. 								</tr>
    177. 

  177. 								<tr>
    178. 

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

  179. 										<strong>normal</strong>
    180. 

  180. 									</td>
    181. 

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

  182. 										<p>The vertex normal in local space.</p>
    183. 

  183. 										<p>Default is <code>normalLocal</code>.</p>
    184. 

  184. 									</td>
    185. 

  185. 								</tr>
    186. 

  186. 							</tbody>
    187. 

  187. 						</table>
    188. 

  188. 						<dl class="details">
    189. 

  189. 							<dt class="tag-returns"><strong>Returns:</strong> The transformed vertex normal.</dt>
    190. 

  190. 						</dl>
    191. 

  191. 					</div>
    192. 

  192. 					<h3 class="name name-method" id="getSkinnedPosition" translate="no">.<a href="#getSkinnedPosition">getSkinnedPosition</a><span class="signature">( boneMatrices : <span class="param-type"><a href="Node.html">Node</a></span>, position : <span class="param-type"><a href="Node.html">Node</a>.&lt;vec3></span> )</span><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec3></span> </h3>
    193. 

  193. 					<div class="method">
    194. 

  194. 						<div class="description">
    195. 

  195. 							<p>Transforms the given vertex position via skinning.</p>
    196. 

  196. 						</div>
    197. 

  197. 						<table class="params">
    198. 

  198. 							<tbody>
    199. 

  199. 								<tr>
    200. 

  200. 									<td class="name">
    201. 

  201. 										<strong>boneMatrices</strong>
    202. 

  202. 									</td>
    203. 

  203. 									<td class="description last">
    204. 

  204. 										<p>The bone matrices</p>
    205. 

  205. 										<p>Default is <code>this.boneMatricesNode</code>.</p>
    206. 

  206. 									</td>
    207. 

  207. 								</tr>
    208. 

  208. 								<tr>
    209. 

  209. 									<td class="name">
    210. 

  210. 										<strong>position</strong>
    211. 

  211. 									</td>
    212. 

  212. 									<td class="description last">
    213. 

  213. 										<p>The vertex position in local space.</p>
    214. 

  214. 										<p>Default is <code>this.positionNode</code>.</p>
    215. 

  215. 									</td>
    216. 

  216. 								</tr>
    217. 

  217. 							</tbody>
    218. 

  218. 						</table>
    219. 

  219. 						<dl class="details">
    220. 

  220. 							<dt class="tag-returns"><strong>Returns:</strong> The transformed vertex position.</dt>
    221. 

  221. 						</dl>
    222. 

  222. 					</div>
    223. 

  223. 					<h3 class="name name-method" id="setup" translate="no">.<a href="#setup">setup</a><span class="signature">( builder : <span class="param-type"><a href="NodeBuilder.html">NodeBuilder</a></span> )</span><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec3></span> </h3>
    224. 

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

  225. 						<div class="description">
    226. 

  226. 							<p>Setups the skinning node by assigning the transformed vertex data to predefined node variables.</p>
    227. 

  227. 						</div>
    228. 

  228. 						<table class="params">
    229. 

  229. 							<tbody>
    230. 

  230. 								<tr>
    231. 

  231. 									<td class="name">
    232. 

  232. 										<strong>builder</strong>
    233. 

  233. 									</td>
    234. 

  234. 									<td class="description last">
    235. 

  235. 										<p>The current node builder.</p>
    236. 

  236. 									</td>
    237. 

  237. 								</tr>
    238. 

  238. 							</tbody>
    239. 

  239. 						</table>
    240. 

  240. 						<dl class="details">
    241. 

  241. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Node.html#setup">Node#setup</a></dt>
    242. 

  242. 						</dl>
    243. 

  243. 						<dl class="details">
    244. 

  244. 							<dt class="tag-returns"><strong>Returns:</strong> The transformed vertex position.</dt>
    245. 

  245. 						</dl>
    246. 

  246. 					</div>
    247. 

  247. 					<h3 class="name name-method" id="update" translate="no">.<a href="#update">update</a><span class="signature">( frame : <span class="param-type"><a href="NodeFrame.html">NodeFrame</a></span> )</span> </h3>
    248. 

  248. 					<div class="method">
    249. 

  249. 						<div class="description">
    250. 

  250. 							<p>Updates the state of the skinned mesh by updating the skeleton once per frame.</p>
    251. 

  251. 						</div>
    252. 

  252. 						<table class="params">
    253. 

  253. 							<tbody>
    254. 

  254. 								<tr>
    255. 

  255. 									<td class="name">
    256. 

  256. 										<strong>frame</strong>
    257. 

  257. 									</td>
    258. 

  258. 									<td class="description last">
    259. 

  259. 										<p>The current node frame.</p>
    260. 

  260. 									</td>
    261. 

  261. 								</tr>
    262. 

  262. 							</tbody>
    263. 

  263. 						</table>
    264. 

  264. 						<dl class="details">
    265. 

  265. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Node.html#update">Node#update</a></dt>
    266. 

  266. 						</dl>
    267. 

  267. 					</div>
    268. 

  268. 				<h2 class="subsection-title">Source</h2>
    269. 

  269. 				<p>
    270. 

  270. 					<a href="https://github.com/mrdoob/three.js/blob/master/src/nodes/accessors/SkinningNode.js" translate="no" target="_blank" rel="noopener">src/nodes/accessors/SkinningNode.js</a>
    271. 

  271. 				</p>
    272. 

  272. 			</article>
    273. 

  273. 		</section>
    274. 

  274. <script src="../scripts/linenumber.js"></script>
    275. 

  275. <script src="../scripts/page.js"></script>
    276. 

  276. </body>
    277. 

  277. </html>
    278.
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