webgl_materials_cubemap_balls_reflection.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 [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 reflection demo. skybox by <a href="http://ict.debevec.org/~debevec/" target="_blank">Paul Debevec</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;
  45. var mouseY = 0;
  46. var windowHalfX = window.innerWidth / 2;
  47. var windowHalfY = window.innerHeight / 2;
  48. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  49. init();
  50. animate();
  51. function init() {
  52. container = document.createElement( 'div' );
  53. document.body.appendChild( container );
  54. camera = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
  55. camera.position.z = 3200;
  56. camera.useTarget = true;
  57. cameraCube = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
  58. cameraCube.useTarget = true;
  59. scene = new THREE.Scene();
  60. sceneCube = new THREE.Scene();
  61. var geometry = new THREE.SphereGeometry( 100, 32, 16 );
  62. var path = "textures/cube/pisa/";
  63. var format = '.png';
  64. var urls = [
  65. path + 'px' + format, path + 'nx' + format,
  66. path + 'py' + format, path + 'ny' + format,
  67. path + 'pz' + format, path + 'nz' + format
  68. ];
  69. var textureCube = THREE.ImageUtils.loadTextureCube( urls );
  70. var material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube } );
  71. for ( var i = 0; i < 500; i ++ ) {
  72. var mesh = new THREE.Mesh( geometry, material );
  73. mesh.position.x = Math.random() * 10000 - 5000;
  74. mesh.position.y = Math.random() * 10000 - 5000;
  75. mesh.position.z = Math.random() * 10000 - 5000;
  76. mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 3 + 1;
  77. scene.add( mesh );
  78. spheres.push( mesh );
  79. }
  80. // Skybox
  81. var shader = THREE.ShaderUtils.lib[ "cube" ];
  82. shader.uniforms[ "tCube" ].texture = textureCube;
  83. var material = new THREE.ShaderMaterial( {
  84. fragmentShader: shader.fragmentShader,
  85. vertexShader: shader.vertexShader,
  86. uniforms: shader.uniforms,
  87. depthWrite: false
  88. } ),
  89. mesh = new THREE.Mesh( new THREE.CubeGeometry( 100, 100, 100, 1, 1, 1, null, true ), material );
  90. sceneCube.add( mesh );
  91. //
  92. webglRenderer = new THREE.WebGLRenderer();
  93. webglRenderer.setSize( window.innerWidth, window.innerHeight );
  94. webglRenderer.autoClear = false;
  95. container.appendChild( webglRenderer.domElement );
  96. }
  97. function onDocumentMouseMove(event) {
  98. mouseX = ( event.clientX - windowHalfX ) * 10;
  99. mouseY = ( event.clientY - windowHalfY ) * 10;
  100. }
  101. //
  102. function animate() {
  103. requestAnimationFrame( animate );
  104. render();
  105. }
  106. function render() {
  107. timer = new Date().getTime() * 0.0001;
  108. camera.position.x += ( mouseX - camera.position.x ) * .05;
  109. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  110. cameraCube.target.position.x = - camera.position.x;
  111. cameraCube.target.position.y = - camera.position.y;
  112. cameraCube.target.position.z = - camera.position.z;
  113. for ( var i = 0, il = spheres.length; i < il; i ++ ) {
  114. var sphere = spheres[ i ];
  115. sphere.position.x = 5000 * Math.cos( timer + i );
  116. sphere.position.y = 5000 * Math.sin( timer + i * 1.1 );
  117. }
  118. webglRenderer.clear();
  119. webglRenderer.render( sceneCube, cameraCube );
  120. webglRenderer.render( scene, camera );
  121. }
  122. </script>
  123. </body>
  124. </html>