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webgl_materials_cubemap_escher.html 3.7 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - cube reflection [Escher]</title>
  5. <meta charset="utf-8">
  6. <style type="text/css">
  7. body {
  8. background:#fff;
  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. #d { text-align:center; margin:1em auto -9.0em; z-index:1000; position:relative; display:block;
  19. background:rgba(0,0,0,0.75); padding:0.25em; width:300px; border-radius:10px; -webkit-box-shadow: 0px 0px 10px rgba(0,0,0,0.5) }
  20. #oldie { margin-top:15em !important }
  21. </style>
  22. </head>
  23. <body>
  24. <div id="d">
  25. <p><a href="http://github.com/mrdoob/three.js">Three.js</a> cube mapping demo
  26. <p>Original artwork by <a href="http://en.wikipedia.org/wiki/Hand_with_Reflecting_Sphere" target="_blank">M. C. Escher</a>
  27. <p>Texture by <a href="http://brainwagon.org/2002/12/05/fun-with-environment-maps/" target="_blank">Mark VandeWettering</a>
  28. </div>
  29. <script src="../build/Three.js"></script>
  30. <script src="js/Detector.js"></script>
  31. <script src="js/RequestAnimationFrame.js"></script>
  32. <script src="js/Stats.js"></script>
  33. <script>
  34. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  35. var statsEnabled = false;
  36. var container, stats;
  37. var camera, scene, webglRenderer;
  38. var mesh, zmesh, lightMesh, geometry;
  39. var directionalLight, pointLight;
  40. var mouseX = 0;
  41. var mouseY = 0;
  42. var windowHalfX = window.innerWidth / 2;
  43. var windowHalfY = window.innerHeight / 2;
  44. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  45. init();
  46. animate();
  47. function init() {
  48. container = document.createElement('div');
  49. document.body.appendChild(container);
  50. camera = new THREE.Camera( 75, window.innerWidth / window.innerHeight, 1, 100000 );
  51. camera.position.z = 3200;
  52. scene = new THREE.Scene();
  53. var r = "textures/cube/Escher/";
  54. var urls = [ r + "px.jpg", r + "nx.jpg",
  55. r + "py.jpg", r + "ny.jpg",
  56. r + "pz.jpg", r + "nz.jpg" ];
  57. var textureCube = THREE.ImageUtils.loadTextureCube( urls );
  58. var material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube } )
  59. var geometry = new THREE.SphereGeometry( 100, 96, 64 );
  60. var mesh = new THREE.Mesh( geometry, material );
  61. mesh.scale.x = mesh.scale.y = mesh.scale.z = 16;
  62. scene.add( mesh );
  63. // Skybox
  64. var shader = THREE.ShaderUtils.lib[ "cube" ];
  65. shader.uniforms[ "tCube" ].texture = textureCube;
  66. var material = new THREE.ShaderMaterial( {
  67. fragmentShader: shader.fragmentShader,
  68. vertexShader: shader.vertexShader,
  69. uniforms: shader.uniforms
  70. } ),
  71. mesh = new THREE.Mesh( new THREE.CubeGeometry( 6000, 6000, 6000, 1, 1, 1, null, true ), material );
  72. scene.add( mesh );
  73. //
  74. webglRenderer = new THREE.WebGLRenderer();
  75. webglRenderer.setSize( window.innerWidth, window.innerHeight );
  76. container.appendChild( webglRenderer.domElement );
  77. if ( statsEnabled ) {
  78. stats = new Stats();
  79. stats.domElement.style.position = 'absolute';
  80. stats.domElement.style.top = '0px';
  81. stats.domElement.style.zIndex = 100;
  82. container.appendChild( stats.domElement );
  83. }
  84. }
  85. function onDocumentMouseMove(event) {
  86. mouseX = ( event.clientX - windowHalfX );
  87. mouseY = ( event.clientY - windowHalfY );
  88. }
  89. //
  90. function animate() {
  91. requestAnimationFrame( animate );
  92. render();
  93. if ( statsEnabled ) stats.update();
  94. }
  95. function render() {
  96. camera.position.x += ( mouseX - camera.position.x ) * .05;
  97. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  98. webglRenderer.render( scene, camera );
  99. }
  100. </script>
  101. </body>
  102. </html>