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RTTNode.html

RTTNode.html 8.3 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>RTTNode - 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="InputNode.html">InputNode</a> → <a href="UniformNode.html">UniformNode</a> → <a href="TextureNode.html">TextureNode</a> → </p>
    13. 

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

  14. 		<section>
    15. 

  15. 			<header>
    16. 

  16. 				<div class="class-description"><p><code>RTTNode</code> takes another node and uses it with a <code>QuadMesh</code> to render into a texture (RTT).
    17. 

  17. This module is especially relevant in context of post processing where certain nodes require
    18. 

  18. texture input for their effects. With the helper function <code>convertToTexture()</code> which is based
    19. 

  19. on this module, the node system can automatically ensure texture input if required.</p></div>
    20. 

  20. 			</header>
    21. 

  21. 			<article>
    22. 

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

  23. 					<h2>Constructor</h2>
    24. 

  24. 					<h3 class="name name-method" id="RTTNode" translate="no">new <a href="#RTTNode">RTTNode</a><span class="signature">( node : <span class="param-type"><a href="Node.html">Node</a></span>, width : <span class="param-type">number</span>, height : <span class="param-type">number</span>, options : <span class="param-type">Object</span> )</span> </h3>
    25. 

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

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

  27. 							<p>Constructs a new RTT node.</p>
    28. 

  28. 						</div>
    29. 

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

  30. 							<tbody>
    31. 

  31. 								<tr>
    32. 

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

  33. 										<strong>node</strong>
    34. 

  34. 									</td>
    35. 

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

  36. 										<p>The node to render a texture with.</p>
    37. 

  37. 									</td>
    38. 

  38. 								</tr>
    39. 

  39. 								<tr>
    40. 

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

  41. 										<strong>width</strong>
    42. 

  42. 									</td>
    43. 

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

  44. 										<p>The width of the internal render target. If not width is applied, the render target is automatically resized.</p>
    45. 

  45. 										<p>Default is <code>null</code>.</p>
    46. 

  46. 									</td>
    47. 

  47. 								</tr>
    48. 

  48. 								<tr>
    49. 

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

  50. 										<strong>height</strong>
    51. 

  51. 									</td>
    52. 

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

  53. 										<p>The height of the internal render target.</p>
    54. 

  54. 										<p>Default is <code>null</code>.</p>
    55. 

  55. 									</td>
    56. 

  56. 								</tr>
    57. 

  57. 								<tr>
    58. 

  58. 									<td class="name">
    59. 

  59. 										<strong>options</strong>
    60. 

  60. 									</td>
    61. 

  61. 									<td class="description last">
    62. 

  62. 										<p>The options for the internal render target.</p>
    63. 

  63. 										<p>Default is <code>{type:HalfFloatType}</code>.</p>
    64. 

  64. 									</td>
    65. 

  65. 								</tr>
    66. 

  66. 							</tbody>
    67. 

  67. 						</table>
    68. 

  68. 					</div>
    69. 

  69. 				</div>
    70. 

  70. 				<h2 class="subsection-title">Properties</h2>
    71. 

  71. 				<div class="member">
    72. 

  72. 					<h3 class="name" id="autoResize" translate="no">.<a href="#autoResize">autoResize</a><span class="type-signature"> : boolean</span> <span class="type-signature">(readonly) </span></h3>
    73. 

  73. 					<div class="description">
    74. 

  74. 						<p>Whether the internal render target should automatically be resized or not.</p>
    75. 

  75. 						<p>Default is <code>true</code>.</p>
    76. 

  76. 					</div>
    77. 

  77. 				</div>
    78. 

  78. 				<div class="member">
    79. 

  79. 					<h3 class="name" id="autoUpdate" translate="no">.<a href="#autoUpdate">autoUpdate</a><span class="type-signature"> : boolean</span> </h3>
    80. 

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

  81. 						<p>Whether the texture should automatically be updated or not.</p>
    82. 

  82. 						<p>Default is <code>true</code>.</p>
    83. 

  83. 					</div>
    84. 

  84. 				</div>
    85. 

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

  86. 					<h3 class="name" id="height" translate="no">.<a href="#height">height</a><span class="type-signature"> : number</span> </h3>
    87. 

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

  88. 						<p>The height of the internal render target.</p>
    89. 

  89. 						<p>Default is <code>null</code>.</p>
    90. 

  90. 					</div>
    91. 

  91. 				</div>
    92. 

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

  93. 					<h3 class="name" id="isRTTNode" translate="no">.<a href="#isRTTNode">isRTTNode</a><span class="type-signature"> : boolean</span> <span class="type-signature">(readonly) </span></h3>
    94. 

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

  95. 						<p>This flag can be used for type testing.</p>
    96. 

  96. 						<p>Default is <code>true</code>.</p>
    97. 

  97. 					</div>
    98. 

  98. 				</div>
    99. 

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

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

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

  102. 						<p>The node to render a texture with.</p>
    103. 

  103. 					</div>
    104. 

  104. 				</div>
    105. 

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

  106. 					<h3 class="name" id="pixelRatio" translate="no">.<a href="#pixelRatio">pixelRatio</a><span class="type-signature"> : number</span> </h3>
    107. 

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

  108. 						<p>The pixel ratio</p>
    109. 

  109. 						<p>Default is <code>1</code>.</p>
    110. 

  110. 					</div>
    111. 

  111. 				</div>
    112. 

  112. 				<div class="member">
    113. 

  113. 					<h3 class="name" id="renderTarget" translate="no">.<a href="#renderTarget">renderTarget</a><span class="type-signature"> : <a href="RenderTarget.html">RenderTarget</a></span> </h3>
    114. 

  114. 					<div class="description">
    115. 

  115. 						<p>The render target</p>
    116. 

  116. 					</div>
    117. 

  117. 				</div>
    118. 

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

  119. 					<h3 class="name" id="textureNeedsUpdate" translate="no">.<a href="#textureNeedsUpdate">textureNeedsUpdate</a><span class="type-signature"> : boolean</span> </h3>
    120. 

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

  121. 						<p>Whether the texture requires an update or not.</p>
    122. 

  122. 						<p>Default is <code>true</code>.</p>
    123. 

  123. 					</div>
    124. 

  124. 				</div>
    125. 

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

  126. 					<h3 class="name" id="updateBeforeType" translate="no">.<a href="#updateBeforeType">updateBeforeType</a><span class="type-signature"> : string</span> </h3>
    127. 

  127. 					<div class="description">
    128. 

  128. 						<p>The <code>updateBeforeType</code> is set to <code>NodeUpdateType.RENDER</code> since the node updates
    129. 

  129. the texture once per render in its <a href="RTTNode.html#updateBefore">RTTNode#updateBefore</a> method.</p>
    130. 

  130. 						<p>Default is <code>'render'</code>.</p>
    131. 

  131. 					</div>
    132. 

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

  133. 							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TextureNode.html#updateBeforeType">TextureNode#updateBeforeType</a></dt>
    134. 

  134. 						</dl>
    135. 

  135. 				</div>
    136. 

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

  137. 					<h3 class="name" id="width" translate="no">.<a href="#width">width</a><span class="type-signature"> : number</span> </h3>
    138. 

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

  139. 						<p>The width of the internal render target.
    140. 

  140. If not width is applied, the render target is automatically resized.</p>
    141. 

  141. 						<p>Default is <code>null</code>.</p>
    142. 

  142. 					</div>
    143. 

  143. 				</div>
    144. 

  144. 				<h2 class="subsection-title">Methods</h2>
    145. 

  145. 					<h3 class="name name-method" id="setPixelRatio" translate="no">.<a href="#setPixelRatio">setPixelRatio</a><span class="signature">( pixelRatio : <span class="param-type">number</span> )</span> </h3>
    146. 

  146. 					<div class="method">
    147. 

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

  148. 							<p>Sets the pixel ratio. This will also resize the render target.</p>
    149. 

  149. 						</div>
    150. 

  150. 						<table class="params">
    151. 

  151. 							<tbody>
    152. 

  152. 								<tr>
    153. 

  153. 									<td class="name">
    154. 

  154. 										<strong>pixelRatio</strong>
    155. 

  155. 									</td>
    156. 

  156. 									<td class="description last">
    157. 

  157. 										<p>The pixel ratio to set.</p>
    158. 

  158. 									</td>
    159. 

  159. 								</tr>
    160. 

  160. 							</tbody>
    161. 

  161. 						</table>
    162. 

  162. 					</div>
    163. 

  163. 					<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>
    164. 

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

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

  166. 							<p>Sets the size of the internal render target</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 to set.</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 width to set.</p>
    184. 

  184. 									</td>
    185. 

  185. 								</tr>
    186. 

  186. 							</tbody>
    187. 

  187. 						</table>
    188. 

  188. 					</div>
    189. 

  189. 				<h2 class="subsection-title">Source</h2>
    190. 

  190. 				<p>
    191. 

  191. 					<a href="https://github.com/mrdoob/three.js/blob/master/src/nodes/utils/RTTNode.js" translate="no" target="_blank" rel="noopener">src/nodes/utils/RTTNode.js</a>
    192. 

  192. 				</p>
    193. 

  193. 			</article>
    194. 

  194. 		</section>
    195. 

  195. <script src="../scripts/linenumber.js"></script>
    196. 

  196. <script src="../scripts/page.js"></script>
    197. 

  197. </body>
    198. 

  198. </html>
    199.
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