module-GeometryUtils.html 8.9 KB

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  5. <title>GeometryUtils - Three.js Docs</title>
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  12. <h1 translate="no">GeometryUtils</h1>
  13. <section>
  14. <header>
  15. </header>
  16. <article>
  17. <h2 class="subsection-title">Import</h2>
  18. <p><span translate="no">GeometryUtils</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>
  19. <pre><code class="language-js">import * as GeometryUtils from 'three/addons/utils/GeometryUtils.js';</code></pre>
  20. <div class="container-overview">
  21. </div>
  22. <h2 class="subsection-title">Methods</h2>
  23. <h3 class="name name-method" id="~gosper" translate="no">.<a href="#~gosper">gosper</a><span class="signature">( size : <span class="param-type">number</span> )</span><span class="type-signature"> : Array.&lt;number></span> <span class="type-signature">(inner) </span></h3>
  24. <div class="method">
  25. <div class="description">
  26. <p>Generates a Gosper curve (lying in the XY plane).</p>
  27. <p>Reference: <a href="https://gist.github.com/nitaku/6521802" target="_blank" rel="noopener">https://gist.github.com/nitaku/6521802</a></p>
  28. </div>
  29. <table class="params">
  30. <tbody>
  31. <tr>
  32. <td class="name">
  33. <strong>size</strong>
  34. </td>
  35. <td class="description last">
  36. <p>The size of a single gosper island.</p>
  37. <p>Default is <code>1</code>.</p>
  38. </td>
  39. </tr>
  40. </tbody>
  41. </table>
  42. <dl class="details">
  43. <dt class="tag-returns"><strong>Returns:</strong> The gosper island points.</dt>
  44. </dl>
  45. </div>
  46. <h3 class="name name-method" id="~hilbert2D" translate="no">.<a href="#~hilbert2D">hilbert2D</a><span class="signature">( center : <span class="param-type"><a href="Vector3.html">Vector3</a></span>, size : <span class="param-type">number</span>, iterations : <span class="param-type">number</span>, v0 : <span class="param-type">number</span>, v1 : <span class="param-type">number</span>, v2 : <span class="param-type">number</span>, v3 : <span class="param-type">number</span> )</span><span class="type-signature"> : Array.&lt;<a href="Vector3.html">Vector3</a>></span> <span class="type-signature">(inner) </span></h3>
  47. <div class="method">
  48. <div class="description">
  49. <p>Generates 2D-Coordinates along a Hilbert curve.</p>
  50. <p>Based on work by: <a href="http://www.openprocessing.org/sketch/15493" target="_blank" rel="noopener">http://www.openprocessing.org/sketch/15493</a></p>
  51. </div>
  52. <table class="params">
  53. <tbody>
  54. <tr>
  55. <td class="name">
  56. <strong>center</strong>
  57. </td>
  58. <td class="description last">
  59. <p>Center of Hilbert curve.</p>
  60. </td>
  61. </tr>
  62. <tr>
  63. <td class="name">
  64. <strong>size</strong>
  65. </td>
  66. <td class="description last">
  67. <p>Total width of Hilbert curve.</p>
  68. <p>Default is <code>10</code>.</p>
  69. </td>
  70. </tr>
  71. <tr>
  72. <td class="name">
  73. <strong>iterations</strong>
  74. </td>
  75. <td class="description last">
  76. <p>Number of subdivisions.</p>
  77. <p>Default is <code>10</code>.</p>
  78. </td>
  79. </tr>
  80. <tr>
  81. <td class="name">
  82. <strong>v0</strong>
  83. </td>
  84. <td class="description last">
  85. <p>Corner index -X, -Z.</p>
  86. <p>Default is <code>0</code>.</p>
  87. </td>
  88. </tr>
  89. <tr>
  90. <td class="name">
  91. <strong>v1</strong>
  92. </td>
  93. <td class="description last">
  94. <p>Corner index -X, +Z.</p>
  95. <p>Default is <code>1</code>.</p>
  96. </td>
  97. </tr>
  98. <tr>
  99. <td class="name">
  100. <strong>v2</strong>
  101. </td>
  102. <td class="description last">
  103. <p>Corner index +X, +Z.</p>
  104. <p>Default is <code>2</code>.</p>
  105. </td>
  106. </tr>
  107. <tr>
  108. <td class="name">
  109. <strong>v3</strong>
  110. </td>
  111. <td class="description last">
  112. <p>Corner index +X, -Z.</p>
  113. <p>Default is <code>3</code>.</p>
  114. </td>
  115. </tr>
  116. </tbody>
  117. </table>
  118. <dl class="details">
  119. <dt class="tag-returns"><strong>Returns:</strong> The Hilbert curve points.</dt>
  120. </dl>
  121. </div>
  122. <h3 class="name name-method" id="~hilbert3D" translate="no">.<a href="#~hilbert3D">hilbert3D</a><span class="signature">( center : <span class="param-type"><a href="Vector3.html">Vector3</a></span>, size : <span class="param-type">number</span>, iterations : <span class="param-type">number</span>, v0 : <span class="param-type">number</span>, v1 : <span class="param-type">number</span>, v2 : <span class="param-type">number</span>, v3 : <span class="param-type">number</span>, v4 : <span class="param-type">number</span>, v5 : <span class="param-type">number</span>, v6 : <span class="param-type">number</span>, v7 : <span class="param-type">number</span> )</span><span class="type-signature"> : Array.&lt;<a href="Vector3.html">Vector3</a>></span> <span class="type-signature">(inner) </span></h3>
  123. <div class="method">
  124. <div class="description">
  125. <p>Generates 3D-Coordinates along a Hilbert curve.</p>
  126. <p>Based on work by: <a href="https://openprocessing.org/user/5654" target="_blank" rel="noopener">https://openprocessing.org/user/5654</a></p>
  127. </div>
  128. <table class="params">
  129. <tbody>
  130. <tr>
  131. <td class="name">
  132. <strong>center</strong>
  133. </td>
  134. <td class="description last">
  135. <p>Center of Hilbert curve.</p>
  136. </td>
  137. </tr>
  138. <tr>
  139. <td class="name">
  140. <strong>size</strong>
  141. </td>
  142. <td class="description last">
  143. <p>Total width of Hilbert curve.</p>
  144. <p>Default is <code>10</code>.</p>
  145. </td>
  146. </tr>
  147. <tr>
  148. <td class="name">
  149. <strong>iterations</strong>
  150. </td>
  151. <td class="description last">
  152. <p>Number of subdivisions.</p>
  153. <p>Default is <code>1</code>.</p>
  154. </td>
  155. </tr>
  156. <tr>
  157. <td class="name">
  158. <strong>v0</strong>
  159. </td>
  160. <td class="description last">
  161. <p>Corner index -X, +Y, -Z.</p>
  162. <p>Default is <code>0</code>.</p>
  163. </td>
  164. </tr>
  165. <tr>
  166. <td class="name">
  167. <strong>v1</strong>
  168. </td>
  169. <td class="description last">
  170. <p>Corner index -X, +Y, +Z.</p>
  171. <p>Default is <code>1</code>.</p>
  172. </td>
  173. </tr>
  174. <tr>
  175. <td class="name">
  176. <strong>v2</strong>
  177. </td>
  178. <td class="description last">
  179. <p>Corner index -X, -Y, +Z.</p>
  180. <p>Default is <code>2</code>.</p>
  181. </td>
  182. </tr>
  183. <tr>
  184. <td class="name">
  185. <strong>v3</strong>
  186. </td>
  187. <td class="description last">
  188. <p>Corner index -X, -Y, -Z.</p>
  189. <p>Default is <code>3</code>.</p>
  190. </td>
  191. </tr>
  192. <tr>
  193. <td class="name">
  194. <strong>v4</strong>
  195. </td>
  196. <td class="description last">
  197. <p>Corner index +X, -Y, -Z.</p>
  198. <p>Default is <code>4</code>.</p>
  199. </td>
  200. </tr>
  201. <tr>
  202. <td class="name">
  203. <strong>v5</strong>
  204. </td>
  205. <td class="description last">
  206. <p>Corner index +X, -Y, +Z.</p>
  207. <p>Default is <code>5</code>.</p>
  208. </td>
  209. </tr>
  210. <tr>
  211. <td class="name">
  212. <strong>v6</strong>
  213. </td>
  214. <td class="description last">
  215. <p>Corner index +X, +Y, +Z.</p>
  216. <p>Default is <code>6</code>.</p>
  217. </td>
  218. </tr>
  219. <tr>
  220. <td class="name">
  221. <strong>v7</strong>
  222. </td>
  223. <td class="description last">
  224. <p>Corner index +X, +Y, -Z.</p>
  225. <p>Default is <code>7</code>.</p>
  226. </td>
  227. </tr>
  228. </tbody>
  229. </table>
  230. <dl class="details">
  231. <dt class="tag-returns"><strong>Returns:</strong> <ul>
  232. <li>The Hilbert curve points.</li>
  233. </ul></dt>
  234. </dl>
  235. </div>
  236. <h2 class="subsection-title">Source</h2>
  237. <p>
  238. <a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/utils/GeometryUtils.js" translate="no" target="_blank" rel="noopener">examples/jsm/utils/GeometryUtils.js</a>
  239. </p>
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