webgl_materials_cubemap_refraction.html 5.8 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. <style type="text/css">
  7. body {
  8. background:#000;
  9. color:#fff;
  10. padding:0;
  11. margin:0;
  12. overflow:hidden;
  13. font-family:georgia;
  14. text-align:center;
  15. }
  16. a { color: #ff0080; text-decoration: none; }
  17. a:hover { color: #0080ff; }
  18. canvas { pointer-events:none; z-index:10; }
  19. #d { text-align:center; margin:1em auto -9.5em; z-index:200; position:relative; display:block;
  20. 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) }
  21. #oldie { margin-top:15em !important }
  22. </style>
  23. </head>
  24. <body>
  25. <div id="d">
  26. <p><a href="http://github.com/mrdoob/three.js">Three.js</a> cube map refraction demo
  27. <p>Lucy model from <a href="http://graphics.stanford.edu/data/3Dscanrep/">Stanford 3d scanning repository</a>
  28. <p>Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a>
  29. </div>
  30. <script src="../build/Three.js"></script>
  31. <script src="js/Detector.js"></script>
  32. <script src="js/RequestAnimationFrame.js"></script>
  33. <script src="js/Stats.js"></script>
  34. <script>
  35. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  36. var FLOOR = -250;
  37. var container, stats;
  38. var camera, scene, webglRenderer;
  39. var cameraCube, sceneCube;
  40. var mesh, zmesh, lightMesh, 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.Camera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
  52. camera.position.z = 2000;
  53. cameraCube = new THREE.Camera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
  54. scene = new THREE.Scene();
  55. sceneCube = new THREE.Scene();
  56. // LIGHTS
  57. var ambient = new THREE.AmbientLight( 0xffffff );
  58. scene.add( ambient );
  59. pointLight = new THREE.PointLight( 0xffffff, 2 );
  60. scene.add( pointLight );
  61. // light representation
  62. sphere = new THREE.SphereGeometry( 100, 16, 8 );
  63. lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color:0xffaa00 } ) );
  64. lightMesh.position = pointLight.position;
  65. lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
  66. scene.add(lightMesh);
  67. // material samples
  68. var r = "textures/cube/Park3Med/";
  69. var urls = [ r + "px.jpg", r + "nx.jpg",
  70. r + "py.jpg", r + "ny.jpg",
  71. r + "pz.jpg", r + "nz.jpg" ];
  72. var textureCube = THREE.ImageUtils.loadTextureCube( urls, new THREE.CubeRefractionMapping() );
  73. var cubeMaterial3 = new THREE.MeshBasicMaterial( { color: 0xccddff, envMap: textureCube, refractionRatio: 0.98, reflectivity:0.9 } );
  74. var cubeMaterial2 = new THREE.MeshBasicMaterial( { color: 0xccfffd, envMap: textureCube, refractionRatio: 0.985 } );
  75. var cubeMaterial1 = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.98 } )
  76. // Skybox
  77. var shader = THREE.ShaderUtils.lib[ "cube" ];
  78. shader.uniforms[ "tCube" ].texture = textureCube;
  79. var material = new THREE.ShaderMaterial( {
  80. fragmentShader: shader.fragmentShader,
  81. vertexShader: shader.vertexShader,
  82. uniforms: shader.uniforms
  83. } ),
  84. mesh = new THREE.Mesh( new THREE.CubeGeometry( 100000, 100000, 100000, 1, 1, 1, null, true ), material );
  85. sceneCube.add( mesh );
  86. //
  87. webglRenderer = new THREE.WebGLRenderer();
  88. webglRenderer.setSize( window.innerWidth, window.innerHeight );
  89. webglRenderer.autoClear = false;
  90. container.appendChild( webglRenderer.domElement );
  91. stats = new Stats();
  92. stats.domElement.style.position = 'absolute';
  93. stats.domElement.style.top = '0px';
  94. stats.domElement.style.zIndex = 100;
  95. container.appendChild( stats.domElement );
  96. loader = new THREE.BinaryLoader( true );
  97. document.body.appendChild( loader.statusDomElement );
  98. loader.load( { model: 'obj/lucy/Lucy100k_bin.js', callback: function( geometry ) { createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 ) } } );
  99. document.addEventListener('mousemove', onDocumentMouseMove, false);
  100. }
  101. function createScene( geometry, m1, m2, m3 ) {
  102. var s = 1.5, z = - 1000;
  103. var mesh = new THREE.Mesh( geometry, m1 );
  104. mesh.position.z = z;
  105. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  106. scene.add( mesh );
  107. var mesh = new THREE.Mesh( geometry, m2 );
  108. mesh.position.x = - 900;
  109. mesh.position.z = z;
  110. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  111. scene.add( mesh );
  112. var mesh = new THREE.Mesh( geometry, m3 );
  113. mesh.position.x = 900;
  114. mesh.position.z = z;
  115. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  116. scene.add( mesh );
  117. loader.statusDomElement.style.display = "none";
  118. }
  119. function onDocumentMouseMove(event) {
  120. mouseX = ( event.clientX - windowHalfX ) * 4;
  121. mouseY = ( event.clientY - windowHalfY ) * 4;
  122. }
  123. //
  124. function animate() {
  125. requestAnimationFrame( animate );
  126. render();
  127. stats.update();
  128. }
  129. function render() {
  130. var timer = - new Date().getTime() * 0.0002;
  131. camera.position.x += ( mouseX - camera.position.x ) * .05;
  132. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  133. cameraCube.target.position.x = - camera.position.x;
  134. cameraCube.target.position.y = - camera.position.y;
  135. cameraCube.target.position.z = - camera.position.z;
  136. lightMesh.position.x = 1500 * Math.cos( timer );
  137. lightMesh.position.z = 1500 * Math.sin( timer );
  138. webglRenderer.clear();
  139. webglRenderer.render( sceneCube, cameraCube );
  140. webglRenderer.render( scene, camera );
  141. }
  142. </script>
  143. </body>
  144. </html>