webgl_materials_cubemap_balls_refraction.html 4.3 KB

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  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - cube refraction [balls]</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:#777;
  10. padding:0;
  11. margin:0;
  12. font-weight: bold;
  13. overflow:hidden;
  14. }
  15. #info {
  16. position: absolute;
  17. top: 0px; width: 100%;
  18. color: #ffffff;
  19. padding: 5px;
  20. font-family:Monospace;
  21. font-size:13px;
  22. text-align:center;
  23. z-index:1000;
  24. }
  25. a {
  26. color: #ffffff;
  27. }
  28. #oldie a { color:#da0 }
  29. </style>
  30. </head>
  31. <body>
  32. <div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl cube refraction demo. skybox by <a href="http://www.zfight.com/" target="_blank">Jochum Skoglund</a></div>
  33. <script src="../build/Three.js"></script>
  34. <script src="js/Detector.js"></script>
  35. <script src="js/RequestAnimationFrame.js"></script>
  36. <script>
  37. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  38. var container, timer;
  39. var camera, scene, webglRenderer;
  40. var cameraCube, sceneCube;
  41. var mesh, zmesh, lightMesh, geometry;
  42. var spheres = [];
  43. var directionalLight, pointLight;
  44. var mouseX = 0, mouseY = 0;
  45. var windowHalfX = window.innerWidth / 2;
  46. var windowHalfY = window.innerHeight / 2;
  47. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  48. init();
  49. animate();
  50. function init() {
  51. container = document.createElement('div');
  52. document.body.appendChild(container);
  53. camera = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
  54. camera.position.z = 3200;
  55. cameraCube = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
  56. scene = new THREE.Scene();
  57. sceneCube = new THREE.Scene();
  58. var geometry = new THREE.SphereGeometry( 100, 32, 16 );
  59. var path = "textures/cube/skybox/";
  60. var format = '.jpg';
  61. var urls = [
  62. path + 'px' + format, path + 'nx' + format,
  63. path + 'py' + format, path + 'ny' + format,
  64. path + 'pz' + format, path + 'nz' + format
  65. ];
  66. var textureCube = THREE.ImageUtils.loadTextureCube( urls, new THREE.CubeRefractionMapping() );
  67. var material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.95 } );
  68. for ( var i = 0; i < 500; i ++ ) {
  69. var mesh = new THREE.Mesh( geometry, material );
  70. mesh.position.x = Math.random() * 10000 - 5000;
  71. mesh.position.y = Math.random() * 10000 - 5000;
  72. mesh.position.z = Math.random() * 10000 - 5000;
  73. mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 3 + 1;
  74. scene.add( mesh );
  75. spheres.push( mesh );
  76. }
  77. // Skybox
  78. var shader = THREE.ShaderUtils.lib[ "cube" ];
  79. shader.uniforms[ "tCube" ].texture = textureCube;
  80. var material = new THREE.ShaderMaterial( {
  81. fragmentShader: shader.fragmentShader,
  82. vertexShader: shader.vertexShader,
  83. uniforms: shader.uniforms,
  84. depthWrite: false
  85. } ),
  86. mesh = new THREE.Mesh( new THREE.CubeGeometry( 100, 100, 100, 1, 1, 1, null, true ), material );
  87. sceneCube.add( mesh );
  88. //
  89. webglRenderer = new THREE.WebGLRenderer();
  90. webglRenderer.setSize( window.innerWidth, window.innerHeight );
  91. webglRenderer.autoClear = false;
  92. container.appendChild( webglRenderer.domElement );
  93. }
  94. function onDocumentMouseMove(event) {
  95. mouseX = ( event.clientX - windowHalfX ) * 10;
  96. mouseY = ( event.clientY - windowHalfY ) * 10;
  97. }
  98. //
  99. function animate() {
  100. requestAnimationFrame( animate );
  101. render();
  102. }
  103. function render() {
  104. timer = new Date().getTime() * 0.0001;
  105. camera.position.x += ( mouseX - camera.position.x ) * .05;
  106. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  107. cameraCube.target.position.x = - camera.position.x;
  108. cameraCube.target.position.y = - camera.position.y;
  109. cameraCube.target.position.z = - camera.position.z;
  110. for ( var i = 0, il = spheres.length; i < il; i ++ ) {
  111. var sphere = spheres[ i ];
  112. sphere.position.x = 5000 * Math.cos( timer + i );
  113. sphere.position.y = 5000 * Math.sin( timer + i * 1.1 );
  114. }
  115. webglRenderer.clear();
  116. webglRenderer.render( sceneCube, cameraCube );
  117. webglRenderer.render( scene, camera );
  118. }
  119. </script>
  120. </body>
  121. </html>