webgl_materials_cubemap_refraction.html 6.0 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://github.com/mrdoob/three.js">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/Detector.js"></script>
  33. <script src="js/RequestAnimationFrame.js"></script>
  34. <script src="js/Stats.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 cameraCube, sceneCube, cubeTarget;
  41. var mesh, zmesh, lightMesh, geometry;
  42. var loader;
  43. var directionalLight, pointLight;
  44. var mouseX = 0, mouseY = 0;
  45. var windowHalfX = window.innerWidth / 2;
  46. var windowHalfY = window.innerHeight / 2;
  47. init();
  48. animate();
  49. function init() {
  50. container = document.createElement('div');
  51. document.body.appendChild(container);
  52. camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
  53. camera.position.z = 2000;
  54. cameraCube = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
  55. cubeTarget = new THREE.Vector3( 0, 0, 0 );
  56. scene = new THREE.Scene();
  57. sceneCube = new THREE.Scene();
  58. // LIGHTS
  59. var ambient = new THREE.AmbientLight( 0xffffff );
  60. scene.add( ambient );
  61. pointLight = new THREE.PointLight( 0xffffff, 2 );
  62. scene.add( pointLight );
  63. // light representation
  64. sphere = new THREE.SphereGeometry( 100, 16, 8 );
  65. lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color:0xffaa00 } ) );
  66. lightMesh.position = pointLight.position;
  67. lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
  68. scene.add( lightMesh );
  69. // material samples
  70. var r = "textures/cube/Park3Med/";
  71. var urls = [ r + "px.jpg", r + "nx.jpg",
  72. r + "py.jpg", r + "ny.jpg",
  73. r + "pz.jpg", r + "nz.jpg" ];
  74. var textureCube = THREE.ImageUtils.loadTextureCube( urls, new THREE.CubeRefractionMapping() );
  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. // Skybox
  79. var shader = THREE.ShaderUtils.lib[ "cube" ];
  80. shader.uniforms[ "tCube" ].texture = textureCube;
  81. var material = new THREE.ShaderMaterial( {
  82. fragmentShader: shader.fragmentShader,
  83. vertexShader: shader.vertexShader,
  84. uniforms: shader.uniforms
  85. } ),
  86. mesh = new THREE.Mesh( new THREE.CubeGeometry( 100000, 100000, 100000, 1, 1, 1, null, true ), material );
  87. sceneCube.add( mesh );
  88. //
  89. renderer = new THREE.WebGLRenderer();
  90. renderer.setSize( window.innerWidth, window.innerHeight );
  91. renderer.autoClear = false;
  92. container.appendChild( renderer.domElement );
  93. stats = new Stats();
  94. stats.domElement.style.position = 'absolute';
  95. stats.domElement.style.top = '0px';
  96. stats.domElement.style.zIndex = 100;
  97. container.appendChild( stats.domElement );
  98. loader = new THREE.BinaryLoader( true );
  99. document.body.appendChild( loader.statusDomElement );
  100. loader.load( { model: 'obj/lucy/Lucy100k_bin.js', callback: function( geometry ) { createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 ) } } );
  101. document.addEventListener('mousemove', onDocumentMouseMove, false);
  102. }
  103. function createScene( geometry, m1, m2, m3 ) {
  104. var s = 1.5, z = - 1000;
  105. var mesh = new THREE.Mesh( geometry, m1 );
  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, m2 );
  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. var mesh = new THREE.Mesh( geometry, m3 );
  115. mesh.position.x = 900;
  116. mesh.position.z = z;
  117. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  118. scene.add( mesh );
  119. loader.statusDomElement.style.display = "none";
  120. }
  121. function onDocumentMouseMove(event) {
  122. mouseX = ( event.clientX - windowHalfX ) * 4;
  123. mouseY = ( event.clientY - windowHalfY ) * 4;
  124. }
  125. //
  126. function animate() {
  127. requestAnimationFrame( animate );
  128. render();
  129. stats.update();
  130. }
  131. function render() {
  132. var timer = - new Date().getTime() * 0.0002;
  133. camera.position.x += ( mouseX - camera.position.x ) * .05;
  134. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  135. camera.lookAt( scene.position );
  136. cubeTarget.x = - camera.position.x;
  137. cubeTarget.y = - camera.position.y;
  138. cubeTarget.z = - camera.position.z;
  139. cameraCube.lookAt( cubeTarget );
  140. lightMesh.position.x = 1500 * Math.cos( timer );
  141. lightMesh.position.z = 1500 * Math.sin( timer );
  142. renderer.clear();
  143. renderer.render( sceneCube, cameraCube );
  144. renderer.render( scene, camera );
  145. }
  146. </script>
  147. </body>
  148. </html>