webgl_materials_cubemap_refraction.html 5.2 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - cube refraction [Lucy]</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. <style>
  8. body {
  9. background:#000;
  10. color:#fff;
  11. padding:0;
  12. margin:0;
  13. overflow:hidden;
  14. font-family:georgia;
  15. text-align:center;
  16. }
  17. a { color: #ff0080; text-decoration: none; }
  18. a:hover { color: #0080ff; }
  19. canvas { pointer-events:none; z-index:10; }
  20. #d { text-align:center; margin:1em auto -9.5em; z-index:200; position:relative; display:block;
  21. background:rgba(0,0,0,0.5); padding:0.5em; width:400px; border-radius:15px; -webkit-box-shadow: 0px 0px 10px rgba(0,0,0,0.5) }
  22. #oldie { margin-top:15em !important }
  23. </style>
  24. </head>
  25. <body>
  26. <div id="d">
  27. <p><a href="http://threejs.org">Three.js</a> cube map refraction demo
  28. <p>Lucy model from <a href="http://graphics.stanford.edu/data/3Dscanrep/">Stanford 3d scanning repository</a>
  29. <p>Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a>
  30. </div>
  31. <script src="../build/three.js"></script>
  32. <script src="js/loaders/BinaryLoader.js"></script>
  33. <script src="js/Detector.js"></script>
  34. <script src="js/libs/stats.min.js"></script>
  35. <script>
  36. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  37. var FLOOR = -250;
  38. var container, stats;
  39. var camera, scene, renderer;
  40. var mesh, zmesh, geometry;
  41. var loader;
  42. var directionalLight, pointLight;
  43. var mouseX = 0, mouseY = 0;
  44. var windowHalfX = window.innerWidth / 2;
  45. var windowHalfY = window.innerHeight / 2;
  46. init();
  47. animate();
  48. function init() {
  49. container = document.createElement('div');
  50. document.body.appendChild(container);
  51. camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
  52. camera.position.z = 2000;
  53. //
  54. var r = "textures/cube/Park3Med/";
  55. var urls = [
  56. r + "px.jpg", r + "nx.jpg",
  57. r + "py.jpg", r + "ny.jpg",
  58. r + "pz.jpg", r + "nz.jpg"
  59. ];
  60. var textureCube = new THREE.CubeTextureLoader().load( urls );
  61. textureCube.mapping = THREE.CubeRefractionMapping;
  62. scene = new THREE.Scene();
  63. scene.background = textureCube;
  64. // LIGHTS
  65. var ambient = new THREE.AmbientLight( 0xffffff );
  66. scene.add( ambient );
  67. pointLight = new THREE.PointLight( 0xffffff, 2 );
  68. scene.add( pointLight );
  69. // light representation
  70. var sphere = new THREE.SphereGeometry( 100, 16, 8 );
  71. var mesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
  72. mesh.scale.set( 0.05, 0.05, 0.05 );
  73. pointLight.add( mesh );
  74. // material samples
  75. var cubeMaterial3 = new THREE.MeshBasicMaterial( { color: 0xccddff, envMap: textureCube, refractionRatio: 0.98, reflectivity:0.9 } );
  76. var cubeMaterial2 = new THREE.MeshBasicMaterial( { color: 0xccfffd, envMap: textureCube, refractionRatio: 0.985 } );
  77. var cubeMaterial1 = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.98 } );
  78. //
  79. renderer = new THREE.WebGLRenderer();
  80. renderer.setPixelRatio( window.devicePixelRatio );
  81. renderer.setSize( window.innerWidth, window.innerHeight );
  82. container.appendChild( renderer.domElement );
  83. stats = new Stats();
  84. container.appendChild( stats.dom );
  85. loader = new THREE.BinaryLoader();
  86. loader.load( 'obj/lucy/Lucy100k_bin.js', function( geometry ) { createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 ) } );
  87. document.addEventListener('mousemove', onDocumentMouseMove, false);
  88. //
  89. window.addEventListener( 'resize', onWindowResize, false );
  90. }
  91. function onWindowResize() {
  92. windowHalfX = window.innerWidth / 2,
  93. windowHalfY = window.innerHeight / 2,
  94. camera.aspect = window.innerWidth / window.innerHeight;
  95. camera.updateProjectionMatrix();
  96. renderer.setSize( window.innerWidth, window.innerHeight );
  97. }
  98. function createScene( geometry, m1, m2, m3 ) {
  99. var s = 1.5, z = - 1000;
  100. var mesh = new THREE.Mesh( geometry, m1 );
  101. mesh.position.z = z;
  102. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  103. scene.add( mesh );
  104. var mesh = new THREE.Mesh( geometry, m2 );
  105. mesh.position.x = - 900;
  106. mesh.position.z = z;
  107. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  108. scene.add( mesh );
  109. var mesh = new THREE.Mesh( geometry, m3 );
  110. mesh.position.x = 900;
  111. mesh.position.z = z;
  112. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  113. scene.add( mesh );
  114. }
  115. function onDocumentMouseMove(event) {
  116. mouseX = ( event.clientX - windowHalfX ) * 4;
  117. mouseY = ( event.clientY - windowHalfY ) * 4;
  118. }
  119. //
  120. function animate() {
  121. requestAnimationFrame( animate );
  122. render();
  123. stats.update();
  124. }
  125. function render() {
  126. var timer = -0.0002 * Date.now();
  127. camera.position.x += ( mouseX - camera.position.x ) * .05;
  128. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  129. camera.lookAt( scene.position );
  130. pointLight.position.x = 1500 * Math.cos( timer );
  131. pointLight.position.z = 1500 * Math.sin( timer );
  132. renderer.render( scene, camera );
  133. }
  134. </script>
  135. </body>
  136. </html>