webgl_materials_physical_transmission_alpha.html 7.3 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>threejs webgl - materials - transmission - alpha</title>
  5. <meta charset="utf-8">
  6. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  7. <link type="text/css" rel="stylesheet" href="main.css">
  8. <style>
  9. body {
  10. background-color: #888888;
  11. }
  12. #table {
  13. margin-top: 100px;
  14. border-collapse: collapse;
  15. width: 100%;
  16. }
  17. #table td {
  18. margin: 0;
  19. padding: 0;
  20. font-size: 16px;
  21. text-align: center;
  22. vertical-align: center;
  23. }
  24. #table tr {
  25. height: 250px;
  26. }
  27. #block-ff0000 { background-color: #ff0000; color: white; }
  28. #block-00ff00 { background-color: #00ff00; color: black; }
  29. #block-0000ff { background-color: #0000ff; color: white; }
  30. #block-000000 { background-color: #000000; color: black; }
  31. </style>
  32. </head>
  33. <body>
  34. <table id="table">
  35. <tbody>
  36. <tr>
  37. <td id="block-ff0000">ff0000</td>
  38. <td id="block-00ff00">00ff00</td>
  39. <td id="block-0000ff">0000ff</td>
  40. <td id="block-000000">000000</td>
  41. </tr>
  42. </tbody>
  43. </table>
  44. <div id="container"></div>
  45. <div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">threejs</a> - transmission - alpha</div>
  46. <!-- Import maps polyfill -->
  47. <!-- Remove this when import maps will be widely supported -->
  48. <script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
  49. <script type="importmap">
  50. {
  51. "imports": {
  52. "three": "../build/three.module.js",
  53. "three/addons/": "./jsm/"
  54. }
  55. }
  56. </script>
  57. <script type="module">
  58. import * as THREE from 'three';
  59. import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
  60. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  61. import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
  62. import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
  63. const params = {
  64. color: 0xffffff,
  65. transmission: 1,
  66. opacity: 1,
  67. metalness: 0,
  68. roughness: 0,
  69. ior: 1.5,
  70. thickness: 0.01,
  71. attenuationColor: 0xffffff,
  72. attenuationDistance: 1,
  73. specularIntensity: 1,
  74. specularColor: 0xffffff,
  75. envMapIntensity: 1,
  76. lightIntensity: 1,
  77. exposure: 1
  78. };
  79. let camera, scene, renderer;
  80. let mesh, material;
  81. const hdrEquirect = new RGBELoader()
  82. .setPath( 'textures/equirectangular/' )
  83. .load( 'royal_esplanade_1k.hdr', function () {
  84. hdrEquirect.mapping = THREE.EquirectangularReflectionMapping;
  85. new GLTFLoader()
  86. .setPath( 'models/gltf/' )
  87. .load( 'DragonAttenuation.glb', function ( gltf ) {
  88. gltf.scene.traverse( function ( child ) {
  89. if ( child.isMesh && child.material.isMeshPhysicalMaterial ) {
  90. mesh = child;
  91. material = mesh.material;
  92. let color = new THREE.Color();
  93. params.color = color.copy( mesh.material.color ).getHex();
  94. params.roughness = mesh.material.roughness;
  95. params.metalness = mesh.material.metalness;
  96. params.ior = mesh.material.ior;
  97. params.specularIntensity = mesh.material.specularIntensity;
  98. params.emissiveIntensity = mesh.material.emissiveIntensity;
  99. params.transmission = mesh.material.transmission;
  100. params.thickness = mesh.material.thickness;
  101. params.attenuationColor = color.copy( mesh.material.attenuationColor ).getHex();
  102. params.attenuationDistance = mesh.material.attenuationDistance;
  103. }
  104. } );
  105. init();
  106. scene.add( gltf.scene );
  107. scene.environment = hdrEquirect;
  108. //scene.background = hdrEquirect;
  109. render();
  110. } );
  111. } );
  112. function init() {
  113. renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
  114. renderer.setPixelRatio( window.devicePixelRatio );
  115. renderer.setSize( window.innerWidth, window.innerHeight );
  116. renderer.shadowMap.enabled = true;
  117. document.body.appendChild( renderer.domElement );
  118. renderer.toneMapping = THREE.ACESFilmicToneMapping;
  119. renderer.toneMappingExposure = params.exposure;
  120. // accommodate CSS table
  121. renderer.domElement.style.position = 'absolute';
  122. renderer.domElement.style.top = 0;
  123. scene = new THREE.Scene();
  124. camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 2000 );
  125. camera.position.set( -5, 0.5, 0 );
  126. const controls = new OrbitControls( camera, renderer.domElement );
  127. controls.addEventListener( 'change', render ); // use if there is no animation loop
  128. controls.minDistance = 5;
  129. controls.maxDistance = 20;
  130. controls.target.y = 0.5;
  131. controls.update();
  132. window.addEventListener( 'resize', onWindowResize );
  133. //
  134. const gui = new GUI();
  135. gui.addColor( params, 'color' )
  136. .onChange( function () {
  137. material.color.set( params.color );
  138. render();
  139. } );
  140. gui.add( params, 'transmission', 0, 1, 0.01 )
  141. .onChange( function () {
  142. material.transmission = params.transmission;
  143. render();
  144. } );
  145. gui.add( params, 'opacity', 0, 1, 0.01 )
  146. .onChange( function () {
  147. material.opacity = params.opacity;
  148. const transparent = params.opacity < 1;
  149. if(transparent !== material.transparent) {
  150. material.transparent = transparent;
  151. material.needsUpdate = true;
  152. }
  153. render();
  154. } );
  155. gui.add( params, 'metalness', 0, 1, 0.01 )
  156. .onChange( function () {
  157. material.metalness = params.metalness;
  158. render();
  159. } );
  160. gui.add( params, 'roughness', 0, 1, 0.01 )
  161. .onChange( function () {
  162. material.roughness = params.roughness;
  163. render();
  164. } );
  165. gui.add( params, 'ior', 1, 2, 0.01 )
  166. .onChange( function () {
  167. material.ior = params.ior;
  168. render();
  169. } );
  170. gui.add( params, 'thickness', 0, 5, 0.01 )
  171. .onChange( function () {
  172. material.thickness = params.thickness;
  173. render();
  174. } );
  175. gui.addColor( params, 'attenuationColor' )
  176. .name( 'attenuation color' )
  177. .onChange( function () {
  178. material.attenuationColor.set( params.attenuationColor );
  179. render();
  180. } );
  181. gui.add( params, 'attenuationDistance', 0, 1, 0.01 )
  182. .onChange( function () {
  183. material.attenuationDistance = params.attenuationDistance;
  184. render();
  185. } );
  186. gui.add( params, 'specularIntensity', 0, 1, 0.01 )
  187. .onChange( function () {
  188. material.specularIntensity = params.specularIntensity;
  189. render();
  190. } );
  191. gui.addColor( params, 'specularColor' )
  192. .onChange( function () {
  193. material.specularColor.set( params.specularColor );
  194. render();
  195. } );
  196. gui.add( params, 'envMapIntensity', 0, 1, 0.01 )
  197. .name( 'envMap intensity' )
  198. .onChange( function () {
  199. material.envMapIntensity = params.envMapIntensity;
  200. render();
  201. } );
  202. gui.add( params, 'exposure', 0, 1, 0.01 )
  203. .onChange( function () {
  204. renderer.toneMappingExposure = params.exposure;
  205. render();
  206. } );
  207. gui.open();
  208. }
  209. function onWindowResize() {
  210. const width = window.innerWidth;
  211. const height = window.innerHeight;
  212. camera.aspect = width / height;
  213. camera.updateProjectionMatrix();
  214. renderer.setSize( width, height );
  215. render();
  216. }
  217. //
  218. function render() {
  219. renderer.render( scene, camera );
  220. }
  221. </script>
  222. </body>
  223. </html>