webgl_materials_cubemap.html 4.3 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - cube reflection / refraction [Walt]</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. </head>
  9. <body>
  10. <div id="container"></div>
  11. <div id="info">
  12. <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - cube mapping demo.<br />
  13. Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank" rel="noopener">Humus</a>, Walt Disney head by <a href="http://web.archive.org/web/20120903131400/http://davidoreilly.com/post/18087489343/disneyhead" target="_blank" rel="noopener">David OReilly</a>
  14. </div>
  15. <!-- Import maps polyfill -->
  16. <!-- Remove this when import maps will be widely supported -->
  17. <script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
  18. <script type="importmap">
  19. {
  20. "imports": {
  21. "three": "../build/three.module.js",
  22. "three/addons/": "./jsm/"
  23. }
  24. }
  25. </script>
  26. <script type="module">
  27. import * as THREE from 'three';
  28. import Stats from 'three/addons/libs/stats.module.js';
  29. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  30. import { OBJLoader } from 'three/addons/loaders/OBJLoader.js';
  31. let container, stats;
  32. let camera, scene, renderer;
  33. let pointLight;
  34. init();
  35. animate();
  36. function init() {
  37. container = document.createElement( 'div' );
  38. document.body.appendChild( container );
  39. camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 5000 );
  40. camera.position.z = 2000;
  41. //cubemap
  42. const path = 'textures/cube/SwedishRoyalCastle/';
  43. const format = '.jpg';
  44. const urls = [
  45. path + 'px' + format, path + 'nx' + format,
  46. path + 'py' + format, path + 'ny' + format,
  47. path + 'pz' + format, path + 'nz' + format
  48. ];
  49. const reflectionCube = new THREE.CubeTextureLoader().load( urls );
  50. const refractionCube = new THREE.CubeTextureLoader().load( urls );
  51. refractionCube.mapping = THREE.CubeRefractionMapping;
  52. scene = new THREE.Scene();
  53. scene.background = reflectionCube;
  54. //lights
  55. const ambient = new THREE.AmbientLight( 0xffffff );
  56. scene.add( ambient );
  57. pointLight = new THREE.PointLight( 0xffffff, 2 );
  58. scene.add( pointLight );
  59. //materials
  60. const cubeMaterial3 = new THREE.MeshLambertMaterial( { color: 0xff6600, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.3 } );
  61. const cubeMaterial2 = new THREE.MeshLambertMaterial( { color: 0xffee00, envMap: refractionCube, refractionRatio: 0.95 } );
  62. const cubeMaterial1 = new THREE.MeshLambertMaterial( { color: 0xffffff, envMap: reflectionCube } );
  63. //models
  64. const objLoader = new OBJLoader();
  65. objLoader.setPath( 'models/obj/walt/' );
  66. objLoader.load( 'WaltHead.obj', function ( object ) {
  67. const head = object.children[ 0 ];
  68. head.scale.multiplyScalar( 15 );
  69. head.position.y = - 500;
  70. head.material = cubeMaterial1;
  71. const head2 = head.clone();
  72. head2.position.x = - 900;
  73. head2.material = cubeMaterial2;
  74. const head3 = head.clone();
  75. head3.position.x = 900;
  76. head3.material = cubeMaterial3;
  77. scene.add( head, head2, head3 );
  78. } );
  79. //renderer
  80. renderer = new THREE.WebGLRenderer();
  81. renderer.setPixelRatio( window.devicePixelRatio );
  82. renderer.setSize( window.innerWidth, window.innerHeight );
  83. container.appendChild( renderer.domElement );
  84. //controls
  85. const controls = new OrbitControls( camera, renderer.domElement );
  86. controls.enableZoom = false;
  87. controls.enablePan = false;
  88. controls.minPolarAngle = Math.PI / 4;
  89. controls.maxPolarAngle = Math.PI / 1.5;
  90. //stats
  91. stats = new Stats();
  92. container.appendChild( stats.dom );
  93. window.addEventListener( 'resize', onWindowResize );
  94. }
  95. function onWindowResize() {
  96. camera.aspect = window.innerWidth / window.innerHeight;
  97. camera.updateProjectionMatrix();
  98. renderer.setSize( window.innerWidth, window.innerHeight );
  99. }
  100. function animate() {
  101. requestAnimationFrame( animate );
  102. render();
  103. }
  104. function render() {
  105. renderer.render( scene, camera );
  106. stats.update();
  107. }
  108. </script>
  109. </body>
  110. </html>