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SSRNode.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>SSRNode - 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> → <a href="TempNode.html">TempNode</a> → </p>
    13. 

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

  14. 		<section>
    15. 

  15. 			<header>
    16. 

  16. 				<div class="class-description"><p>Post processing node for computing screen space reflections (SSR).</p>
    17. 

  17. <p>Reference: <a href="https://lettier.github.io/3d-game-shaders-for-beginners/screen-space-reflection.html" target="_blank" rel="noopener">https://lettier.github.io/3d-game-shaders-for-beginners/screen-space-reflection.html</a></p></div>
    18. 

  18. 			</header>
    19. 

  19. 			<article>
    20. 

  20. 				<h2 class="subsection-title">Import</h2>
    21. 

  21. 				<p><span translate="no">SSRNode</span> is an addon, and must be imported explicitly, see <a href="https://threejs.org/manual/#en/installation" target="_blank" rel="noopener">Installation#Addons</a>.</p>
    22. 

  22. 				<pre><code class="language-js">import { ssr } from 'three/addons/tsl/display/SSRNode.js';</code></pre>
    23. 

  23. 				<div class="container-overview">
    24. 

  24. 					<h2>Constructor</h2>
    25. 

  25. 					<h3 class="name name-method" id="SSRNode" translate="no">new <a href="#SSRNode">SSRNode</a><span class="signature">( colorNode : <span class="param-type"><a href="Node.html">Node</a>.&lt;vec4></span>, depthNode : <span class="param-type"><a href="Node.html">Node</a>.&lt;float></span>, normalNode : <span class="param-type"><a href="Node.html">Node</a>.&lt;vec3></span>, metalnessNode : <span class="param-type"><a href="Node.html">Node</a>.&lt;float></span>, roughnessNode : <span class="param-type"><a href="Node.html">Node</a>.&lt;float></span>, camera : <span class="param-type"><a href="Camera.html">Camera</a></span> )</span> </h3>
    26. 

  26. 					<div class="method">
    27. 

  27. 						<div class="description">
    28. 

  28. 							<p>Constructs a new SSR node.</p>
    29. 

  29. 						</div>
    30. 

  30. 						<table class="params">
    31. 

  31. 							<tbody>
    32. 

  32. 								<tr>
    33. 

  33. 									<td class="name">
    34. 

  34. 										<strong>colorNode</strong>
    35. 

  35. 									</td>
    36. 

  36. 									<td class="description last">
    37. 

  37. 										<p>The node that represents the beauty pass.</p>
    38. 

  38. 									</td>
    39. 

  39. 								</tr>
    40. 

  40. 								<tr>
    41. 

  41. 									<td class="name">
    42. 

  42. 										<strong>depthNode</strong>
    43. 

  43. 									</td>
    44. 

  44. 									<td class="description last">
    45. 

  45. 										<p>A node that represents the beauty pass's depth.</p>
    46. 

  46. 									</td>
    47. 

  47. 								</tr>
    48. 

  48. 								<tr>
    49. 

  49. 									<td class="name">
    50. 

  50. 										<strong>normalNode</strong>
    51. 

  51. 									</td>
    52. 

  52. 									<td class="description last">
    53. 

  53. 										<p>A node that represents the beauty pass's normals.</p>
    54. 

  54. 									</td>
    55. 

  55. 								</tr>
    56. 

  56. 								<tr>
    57. 

  57. 									<td class="name">
    58. 

  58. 										<strong>metalnessNode</strong>
    59. 

  59. 									</td>
    60. 

  60. 									<td class="description last">
    61. 

  61. 										<p>A node that represents the beauty pass's metalness.</p>
    62. 

  62. 									</td>
    63. 

  63. 								</tr>
    64. 

  64. 								<tr>
    65. 

  65. 									<td class="name">
    66. 

  66. 										<strong>roughnessNode</strong>
    67. 

  67. 									</td>
    68. 

  68. 									<td class="description last">
    69. 

  69. 										<p>A node that represents the beauty pass's roughness.</p>
    70. 

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

  71. 									</td>
    72. 

  72. 								</tr>
    73. 

  73. 								<tr>
    74. 

  74. 									<td class="name">
    75. 

  75. 										<strong>camera</strong>
    76. 

  76. 									</td>
    77. 

  77. 									<td class="description last">
    78. 

  78. 										<p>The camera the scene is rendered with.</p>
    79. 

  79. 										<p>Default is <code>null</code>.</p>
    80. 

  80. 									</td>
    81. 

  81. 								</tr>
    82. 

  82. 							</tbody>
    83. 

  83. 						</table>
    84. 

  84. 					</div>
    85. 

  85. 				</div>
    86. 

  86. 				<h2 class="subsection-title">Properties</h2>
    87. 

  87. 				<div class="member">
    88. 

  88. 					<h3 class="name" id="blurQuality" translate="no">.<a href="#blurQuality">blurQuality</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;int></span> </h3>
    89. 

  89. 					<div class="description">
    90. 

  90. 						<p>The quality of the blur. Must be an integer in the range <code>[1,3]</code>.</p>
    91. 

  91. 					</div>
    92. 

  92. 				</div>
    93. 

  93. 				<div class="member">
    94. 

  94. 					<h3 class="name" id="camera" translate="no">.<a href="#camera">camera</a><span class="type-signature"> : <a href="Camera.html">Camera</a></span> </h3>
    95. 

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

  96. 						<p>The camera the scene is rendered with.</p>
    97. 

  97. 					</div>
    98. 

  98. 				</div>
    99. 

  99. 				<div class="member">
    100. 

  100. 					<h3 class="name" id="colorNode" translate="no">.<a href="#colorNode">colorNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec4></span> </h3>
    101. 

  101. 					<div class="description">
    102. 

  102. 						<p>The node that represents the beauty pass.</p>
    103. 

  103. 					</div>
    104. 

  104. 				</div>
    105. 

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

  106. 					<h3 class="name" id="depthNode" translate="no">.<a href="#depthNode">depthNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;float></span> </h3>
    107. 

  107. 					<div class="description">
    108. 

  108. 						<p>A node that represents the beauty pass's depth.</p>
    109. 

  109. 					</div>
    110. 

  110. 				</div>
    111. 

  111. 				<div class="member">
    112. 

  112. 					<h3 class="name" id="maxDistance" translate="no">.<a href="#maxDistance">maxDistance</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
    113. 

  113. 					<div class="description">
    114. 

  114. 						<p>Controls how far a fragment can reflect. Increasing this value result in more
    115. 

  115. computational overhead but also increases the reflection distance.</p>
    116. 

  116. 					</div>
    117. 

  117. 				</div>
    118. 

  118. 				<div class="member">
    119. 

  119. 					<h3 class="name" id="metalnessNode" translate="no">.<a href="#metalnessNode">metalnessNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;float></span> </h3>
    120. 

  120. 					<div class="description">
    121. 

  121. 						<p>A node that represents the beauty pass's metalness.</p>
    122. 

  122. 					</div>
    123. 

  123. 				</div>
    124. 

  124. 				<div class="member">
    125. 

  125. 					<h3 class="name" id="normalNode" translate="no">.<a href="#normalNode">normalNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec3></span> </h3>
    126. 

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

  127. 						<p>A node that represents the beauty pass's normals.</p>
    128. 

  128. 					</div>
    129. 

  129. 				</div>
    130. 

  130. 				<div class="member">
    131. 

  131. 					<h3 class="name" id="opacity" translate="no">.<a href="#opacity">opacity</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
    132. 

  132. 					<div class="description">
    133. 

  133. 						<p>Controls how the SSR reflections are blended with the beauty pass.</p>
    134. 

  134. 					</div>
    135. 

  135. 				</div>
    136. 

  136. 				<div class="member">
    137. 

  137. 					<h3 class="name" id="quality" translate="no">.<a href="#quality">quality</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
    138. 

  138. 					<div class="description">
    139. 

  139. 						<p>This parameter controls how detailed the raymarching process works.
    140. 

  140. The value ranges is <code>[0,1]</code> where <code>1</code> means best quality (the maximum number
    141. 

  141. of raymarching iterations/samples) and <code>0</code> means no samples at all.</p>
    142. 

  142. <p>A quality of <code>0.5</code> is usually sufficient for most use cases. Try to keep
    143. 

  143. this parameter as low as possible. Larger values result in noticeable more
    144. 

  144. overhead.</p>
    145. 

  145. 					</div>
    146. 

  146. 				</div>
    147. 

  147. 				<div class="member">
    148. 

  148. 					<h3 class="name" id="resolutionScale" translate="no">.<a href="#resolutionScale">resolutionScale</a><span class="type-signature"> : number</span> </h3>
    149. 

  149. 					<div class="description">
    150. 

  150. 						<p>The resolution scale. Valid values are in the range
    151. 

  151. <code>[0,1]</code>. <code>1</code> means best quality but also results in
    152. 

  152. more computational overhead. Setting to <code>0.5</code> means
    153. 

  153. the effect is computed in half-resolution.</p>
    154. 

  154. 						<p>Default is <code>1</code>.</p>
    155. 

  155. 					</div>
    156. 

  156. 				</div>
    157. 

  157. 				<div class="member">
    158. 

  158. 					<h3 class="name" id="thickness" translate="no">.<a href="#thickness">thickness</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
    159. 

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

  160. 						<p>Controls the cutoff between what counts as a possible reflection hit and what does not.</p>
    161. 

  161. 					</div>
    162. 

  162. 				</div>
    163. 

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

  164. 					<h3 class="name" id="updateBeforeType" translate="no">.<a href="#updateBeforeType">updateBeforeType</a><span class="type-signature"> : string</span> </h3>
    165. 

  165. 					<div class="description">
    166. 

  166. 						<p>The <code>updateBeforeType</code> is set to <code>NodeUpdateType.FRAME</code> since the node renders
    167. 

  167. its effect once per frame in <code>updateBefore()</code>.</p>
    168. 

  168. 						<p>Default is <code>'frame'</code>.</p>
    169. 

  169. 					</div>
    170. 

  170. 						<dl class="details">
    171. 

  171. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#updateBeforeType">TempNode#updateBeforeType</a></dt>
    172. 

  172. 						</dl>
    173. 

  173. 				</div>
    174. 

  174. 				<h2 class="subsection-title">Methods</h2>
    175. 

  175. 					<h3 class="name name-method" id="dispose" translate="no">.<a href="#dispose">dispose</a><span class="signature">()</span> </h3>
    176. 

  176. 					<div class="method">
    177. 

  177. 						<div class="description">
    178. 

  178. 							<p>Frees internal resources. This method should be called
    179. 

  179. when the effect is no longer required.</p>
    180. 

  180. 						</div>
    181. 

  181. 						<dl class="details">
    182. 

  182. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#dispose">TempNode#dispose</a></dt>
    183. 

  183. 						</dl>
    184. 

  184. 					</div>
    185. 

  185. 					<h3 class="name name-method" id="getTextureNode" translate="no">.<a href="#getTextureNode">getTextureNode</a><span class="signature">()</span><span class="type-signature"> : <a href="PassTextureNode.html">PassTextureNode</a></span> </h3>
    186. 

  186. 					<div class="method">
    187. 

  187. 						<div class="description">
    188. 

  188. 							<p>Returns the result of the effect as a texture node.</p>
    189. 

  189. 						</div>
    190. 

  190. 						<dl class="details">
    191. 

  191. 							<dt class="tag-returns"><strong>Returns:</strong> A texture node that represents the result of the effect.</dt>
    192. 

  192. 						</dl>
    193. 

  193. 					</div>
    194. 

  194. 					<h3 class="name name-method" id="setSize" translate="no">.<a href="#setSize">setSize</a><span class="signature">( width : <span class="param-type">number</span>, height : <span class="param-type">number</span> )</span> </h3>
    195. 

  195. 					<div class="method">
    196. 

  196. 						<div class="description">
    197. 

  197. 							<p>Sets the size of the effect.</p>
    198. 

  198. 						</div>
    199. 

  199. 						<table class="params">
    200. 

  200. 							<tbody>
    201. 

  201. 								<tr>
    202. 

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

  203. 										<strong>width</strong>
    204. 

  204. 									</td>
    205. 

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

  206. 										<p>The width of the effect.</p>
    207. 

  207. 									</td>
    208. 

  208. 								</tr>
    209. 

  209. 								<tr>
    210. 

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

  211. 										<strong>height</strong>
    212. 

  212. 									</td>
    213. 

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

  214. 										<p>The height of the effect.</p>
    215. 

  215. 									</td>
    216. 

  216. 								</tr>
    217. 

  217. 							</tbody>
    218. 

  218. 						</table>
    219. 

  219. 					</div>
    220. 

  220. 					<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="PassTextureNode.html">PassTextureNode</a></span> </h3>
    221. 

  221. 					<div class="method">
    222. 

  222. 						<div class="description">
    223. 

  223. 							<p>This method is used to setup the effect's TSL code.</p>
    224. 

  224. 						</div>
    225. 

  225. 						<table class="params">
    226. 

  226. 							<tbody>
    227. 

  227. 								<tr>
    228. 

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

  229. 										<strong>builder</strong>
    230. 

  230. 									</td>
    231. 

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

  232. 										<p>The current node builder.</p>
    233. 

  233. 									</td>
    234. 

  234. 								</tr>
    235. 

  235. 							</tbody>
    236. 

  236. 						</table>
    237. 

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

  238. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#setup">TempNode#setup</a></dt>
    239. 

  239. 						</dl>
    240. 

  240. 					</div>
    241. 

  241. 					<h3 class="name name-method" id="updateBefore" translate="no">.<a href="#updateBefore">updateBefore</a><span class="signature">( frame : <span class="param-type"><a href="NodeFrame.html">NodeFrame</a></span> )</span> </h3>
    242. 

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

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

  244. 							<p>This method is used to render the effect once per frame.</p>
    245. 

  245. 						</div>
    246. 

  246. 						<table class="params">
    247. 

  247. 							<tbody>
    248. 

  248. 								<tr>
    249. 

  249. 									<td class="name">
    250. 

  250. 										<strong>frame</strong>
    251. 

  251. 									</td>
    252. 

  252. 									<td class="description last">
    253. 

  253. 										<p>The current node frame.</p>
    254. 

  254. 									</td>
    255. 

  255. 								</tr>
    256. 

  256. 							</tbody>
    257. 

  257. 						</table>
    258. 

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

  259. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#updateBefore">TempNode#updateBefore</a></dt>
    260. 

  260. 						</dl>
    261. 

  261. 					</div>
    262. 

  262. 				<h2 class="subsection-title">Source</h2>
    263. 

  263. 				<p>
    264. 

  264. 					<a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/tsl/display/SSRNode.js" translate="no" target="_blank" rel="noopener">examples/jsm/tsl/display/SSRNode.js</a>
    265. 

  265. 				</p>
    266. 

  266. 			</article>
    267. 

  267. 		</section>
    268. 

  268. <script src="../scripts/linenumber.js"></script>
    269. 

  269. <script src="../scripts/page.js"></script>
    270. 

  270. </body>
    271. 

  271. </html>
    272.
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