webgl_materials_cubemap.html 6.2 KB

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  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - cube reflection / refraction [Walt]</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 0 -7.5em 0; z-index:1000; position:relative; display:block }
  21. .button { background:orange; color:#fff; padding:0.2em 0.5em; cursor:pointer }
  22. .inactive { background:#999; color:#eee }
  23. #oldie { margin-top:11em !important }
  24. </style>
  25. </head>
  26. <body>
  27. <div id="d">
  28. <p><a href="http://github.com/mrdoob/three.js">Three.js</a> cube mapping demo
  29. <p>Walt Disney head by <a href="http://davidoreilly.com/post/18087489343/disneyhead" target="_blank">David OReilly</a>
  30. <p>Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a>
  31. </div>
  32. <script src="../build/Three.js"></script>
  33. <script src="js/Detector.js"></script>
  34. <script src="js/Stats.js"></script>
  35. <script>
  36. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  37. var container, stats;
  38. var camera, scene, renderer;
  39. var cameraCube, sceneCube;
  40. var mesh, lightMesh, geometry;
  41. var loader;
  42. var directionalLight, pointLight;
  43. var mouseX = 0;
  44. var 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. scene = new THREE.Scene();
  54. sceneCube = new THREE.Scene();
  55. camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 5000 );
  56. camera.position.z = 2000;
  57. scene.add( camera );
  58. cameraCube = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100 );
  59. sceneCube.add( cameraCube );
  60. // LIGHTS
  61. var ambient = new THREE.AmbientLight( 0xffffff );
  62. scene.add( ambient );
  63. pointLight = new THREE.PointLight( 0xffffff, 2 );
  64. scene.add( pointLight );
  65. // light representation
  66. sphere = new THREE.SphereGeometry( 100, 16, 8 );
  67. lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) );
  68. lightMesh.position = pointLight.position;
  69. lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
  70. scene.add( lightMesh );
  71. var path = "textures/cube/SwedishRoyalCastle/";
  72. var format = '.jpg';
  73. var urls = [
  74. path + 'px' + format, path + 'nx' + format,
  75. path + 'py' + format, path + 'ny' + format,
  76. path + 'pz' + format, path + 'nz' + format
  77. ];
  78. var reflectionCube = THREE.ImageUtils.loadTextureCube( urls );
  79. reflectionCube.format = THREE.RGBFormat;
  80. var refractionCube = new THREE.Texture( reflectionCube.image, new THREE.CubeRefractionMapping() );
  81. reflectionCube.format = THREE.RGBFormat;
  82. //var cubeMaterial3 = new THREE.MeshPhongMaterial( { color: 0x000000, specular:0xaa0000, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.25 } );
  83. var cubeMaterial3 = new THREE.MeshLambertMaterial( { color: 0xff6600, ambient: 0x993300, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.3 } );
  84. var cubeMaterial2 = new THREE.MeshLambertMaterial( { color: 0xffee00, ambient: 0x996600, envMap: refractionCube, refractionRatio: 0.95 } );
  85. var cubeMaterial1 = new THREE.MeshLambertMaterial( { color: 0xffffff, ambient: 0xaaaaaa, envMap: reflectionCube } )
  86. // Skybox
  87. var shader = THREE.ShaderUtils.lib[ "cube" ];
  88. shader.uniforms[ "tCube" ].texture = reflectionCube;
  89. var material = new THREE.ShaderMaterial( {
  90. fragmentShader: shader.fragmentShader,
  91. vertexShader: shader.vertexShader,
  92. uniforms: shader.uniforms,
  93. depthWrite: false
  94. } ),
  95. mesh = new THREE.Mesh( new THREE.CubeGeometry( 100, 100, 100 ), material );
  96. mesh.flipSided = true;
  97. sceneCube.add( mesh );
  98. //
  99. renderer = new THREE.WebGLRenderer();
  100. renderer.setSize( window.innerWidth, window.innerHeight );
  101. renderer.autoClear = false;
  102. container.appendChild( renderer.domElement );
  103. //
  104. stats = new Stats();
  105. stats.domElement.style.position = 'absolute';
  106. stats.domElement.style.top = '0px';
  107. stats.domElement.style.zIndex = 100;
  108. container.appendChild( stats.domElement );
  109. //
  110. loader = new THREE.BinaryLoader( true );
  111. document.body.appendChild( loader.statusDomElement );
  112. loader.load( "obj/walt/WaltHead_bin.js", function( geometry ) { createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 ) } );
  113. }
  114. function createScene( geometry, m1, m2, m3 ) {
  115. var s = 15;
  116. var mesh = new THREE.Mesh( geometry, m1 );
  117. mesh.position.z = - 100;
  118. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  119. scene.add( mesh );
  120. var mesh = new THREE.Mesh( geometry, m2 );
  121. mesh.position.x = - 900;
  122. mesh.position.z = - 100;
  123. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  124. scene.add( mesh );
  125. var mesh = new THREE.Mesh( geometry, m3 );
  126. mesh.position.x = 900;
  127. mesh.position.z = - 100;
  128. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  129. scene.add( mesh );
  130. loader.statusDomElement.style.display = "none";
  131. }
  132. function onDocumentMouseMove(event) {
  133. mouseX = ( event.clientX - windowHalfX ) * 4;
  134. mouseY = ( event.clientY - windowHalfY ) * 4;
  135. }
  136. //
  137. function animate() {
  138. requestAnimationFrame( animate );
  139. render();
  140. stats.update();
  141. }
  142. function render() {
  143. var timer = -0.0002 * Date.now();
  144. lightMesh.position.x = 1500 * Math.cos( timer );
  145. lightMesh.position.z = 1500 * Math.sin( timer );
  146. camera.position.x += ( mouseX - camera.position.x ) * .05;
  147. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  148. camera.lookAt( scene.position );
  149. cameraCube.rotation.copy( camera.rotation );
  150. renderer.render( sceneCube, cameraCube );
  151. renderer.render( scene, camera );
  152. }
  153. </script>
  154. </body>
  155. </html>