webgl_furnace_test.html 3.7 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js white furnace test</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. <meta property="og:title" content="three.js white furnace test">
  8. <meta property="og:type" content="website">
  9. <meta property="og:url" content="https://threejs.org/examples/webgl_furnace_test.html">
  10. <meta property="og:image" content="https://threejs.org/examples/screenshots/webgl_furnace_test.jpg">
  11. <link type="text/css" rel="stylesheet" href="main.css">
  12. </head>
  13. <body>
  14. <div id="container">
  15. <div id="info">
  16. <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> -
  17. <a href="https://google.github.io/filament/Filament.md.html#toc4.7.2" target="_blank" rel="noopener">White Furnace</a> energy conservation test by <a href="https://jsantell.com/" target="_blank" rel="noopener">Jordan Santell</a>
  18. <br>Roughness increases left to right
  19. <br>Metalness increases top to bottom
  20. </div>
  21. </div>
  22. <script type="importmap">
  23. {
  24. "imports": {
  25. "three": "../build/three.module.js",
  26. "three/addons/": "./jsm/"
  27. }
  28. }
  29. </script>
  30. <script type="module">
  31. import * as THREE from 'three';
  32. import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
  33. let scene, camera, renderer, radianceMap;
  34. let gui;
  35. const COLOR = 0xcccccc;
  36. function init() {
  37. const width = window.innerWidth;
  38. const height = window.innerHeight;
  39. const aspect = width / height;
  40. // renderer
  41. renderer = new THREE.WebGLRenderer( { antialias: true } );
  42. renderer.setSize( width, height );
  43. renderer.setPixelRatio( window.devicePixelRatio );
  44. document.body.appendChild( renderer.domElement );
  45. // scene
  46. scene = new THREE.Scene();
  47. // camera
  48. camera = new THREE.PerspectiveCamera( 40, aspect, 1, 30 );
  49. camera.position.set( 0, 0, 18 );
  50. //
  51. initGui();
  52. window.addEventListener( 'resize', onWindowResize );
  53. }
  54. function createObjects() {
  55. const geometry = new THREE.SphereGeometry( 0.4, 32, 16 );
  56. for ( let x = 0; x <= 10; x ++ ) {
  57. for ( let y = 0; y <= 10; y ++ ) {
  58. const material = new THREE.MeshPhysicalMaterial( {
  59. roughness: x / 10,
  60. metalness: y / 10,
  61. color: 0xffffff,
  62. envMap: radianceMap,
  63. envMapIntensity: 1,
  64. transmission: 0,
  65. ior: 1.5
  66. } );
  67. const mesh = new THREE.Mesh( geometry, material );
  68. mesh.position.x = x - 5;
  69. mesh.position.y = 5 - y;
  70. scene.add( mesh );
  71. }
  72. }
  73. }
  74. function createEnvironment() {
  75. const envScene = new THREE.Scene();
  76. envScene.background = new THREE.Color( COLOR );
  77. const pmremGenerator = new THREE.PMREMGenerator( renderer );
  78. radianceMap = pmremGenerator.fromScene( envScene ).texture;
  79. pmremGenerator.dispose();
  80. scene.background = envScene.background;
  81. }
  82. function onWindowResize() {
  83. const width = window.innerWidth;
  84. const height = window.innerHeight;
  85. camera.aspect = width / height;
  86. camera.updateProjectionMatrix();
  87. renderer.setSize( width, height );
  88. render();
  89. }
  90. function render() {
  91. renderer.render( scene, camera );
  92. }
  93. function initGui() {
  94. gui = new GUI();
  95. const param = {
  96. 'tint': false
  97. };
  98. gui.add( param, 'tint' ).name( 'Tint for Visibility' ).onChange( function ( val ) {
  99. scene.traverse( function ( child ) {
  100. const tint = val ? 0xccccff : 0xffffff;
  101. if ( child.isMesh ) child.material.color.setHex( tint );
  102. } );
  103. render();
  104. } );
  105. }
  106. Promise.resolve()
  107. .then( init )
  108. .then( createEnvironment )
  109. .then( createObjects )
  110. .then( render );
  111. </script>
  112. </body>
  113. </html>
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