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webgl_materials_cubemap_refraction.html 5.3 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 {
  21. text-align:center;
  22. margin:1em auto -9.5em;
  23. z-index:200;
  24. position:relative;
  25. display:block;
  26. background:rgba(0,0,0,0.5);
  27. padding:0.5em; width:400px;
  28. border-radius:15px;
  29. -webkit-box-shadow: 0px 0px 10px rgba(0,0,0,0.5);
  30. box-shadow: 0px 0px 10px rgba(0,0,0,0.5)
  31. }
  32. #webglmessage { margin-top:15em !important }
  33. </style>
  34. </head>
  35. <body>
  36. <div id="d">
  37. <p><a href="http://threejs.org">Three.js</a> cube map refraction demo
  38. <p>Lucy model from <a href="http://graphics.stanford.edu/data/3Dscanrep/">Stanford 3d scanning repository</a>
  39. <p>Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank" rel="noopener">Humus</a>
  40. </div>
  41. <script src="../build/three.js"></script>
  42. <script src="js/loaders/PLYLoader.js"></script>
  43. <script src="js/WebGL.js"></script>
  44. <script src="js/libs/stats.min.js"></script>
  45. <script>
  46. if ( WEBGL.isWebGLAvailable() === false ) {
  47. document.body.appendChild( WEBGL.getWebGLErrorMessage() );
  48. }
  49. var container, stats;
  50. var camera, scene, renderer;
  51. var pointLight;
  52. var mouseX = 0, mouseY = 0;
  53. var windowHalfX = window.innerWidth / 2;
  54. var windowHalfY = window.innerHeight / 2;
  55. init();
  56. animate();
  57. function init() {
  58. container = document.createElement( 'div' );
  59. document.body.appendChild( container );
  60. camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
  61. camera.position.z = - 4000;
  62. //
  63. var r = "textures/cube/Park3Med/";
  64. var urls = [
  65. r + "px.jpg", r + "nx.jpg",
  66. r + "py.jpg", r + "ny.jpg",
  67. r + "pz.jpg", r + "nz.jpg"
  68. ];
  69. var textureCube = new THREE.CubeTextureLoader().load( urls );
  70. textureCube.mapping = THREE.CubeRefractionMapping;
  71. scene = new THREE.Scene();
  72. scene.background = textureCube;
  73. // LIGHTS
  74. var ambient = new THREE.AmbientLight( 0xffffff );
  75. scene.add( ambient );
  76. pointLight = new THREE.PointLight( 0xffffff, 2 );
  77. scene.add( pointLight );
  78. // light representation
  79. var sphere = new THREE.SphereBufferGeometry( 100, 16, 8 );
  80. var mesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
  81. mesh.scale.set( 0.05, 0.05, 0.05 );
  82. pointLight.add( mesh );
  83. // material samples
  84. var cubeMaterial3 = new THREE.MeshPhongMaterial( { color: 0xccddff, envMap: textureCube, refractionRatio: 0.98, reflectivity: 0.9 } );
  85. var cubeMaterial2 = new THREE.MeshPhongMaterial( { color: 0xccfffd, envMap: textureCube, refractionRatio: 0.985 } );
  86. var cubeMaterial1 = new THREE.MeshPhongMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.98 } );
  87. //
  88. renderer = new THREE.WebGLRenderer();
  89. renderer.setPixelRatio( window.devicePixelRatio );
  90. renderer.setSize( window.innerWidth, window.innerHeight );
  91. container.appendChild( renderer.domElement );
  92. stats = new Stats();
  93. container.appendChild( stats.dom );
  94. var loader = new THREE.PLYLoader();
  95. loader.load( 'models/ply/binary/Lucy100k.ply', function ( geometry ) {
  96. createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 );
  97. } );
  98. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  99. //
  100. window.addEventListener( 'resize', onWindowResize, false );
  101. }
  102. function onWindowResize() {
  103. windowHalfX = window.innerWidth / 2;
  104. windowHalfY = window.innerHeight / 2;
  105. camera.aspect = window.innerWidth / window.innerHeight;
  106. camera.updateProjectionMatrix();
  107. renderer.setSize( window.innerWidth, window.innerHeight );
  108. }
  109. function createScene( geometry, m1, m2, m3 ) {
  110. geometry.computeVertexNormals();
  111. var s = 1.5;
  112. var mesh = new THREE.Mesh( geometry, m1 );
  113. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  114. scene.add( mesh );
  115. var mesh = new THREE.Mesh( geometry, m2 );
  116. mesh.position.x = - 1500;
  117. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  118. scene.add( mesh );
  119. var mesh = new THREE.Mesh( geometry, m3 );
  120. mesh.position.x = 1500;
  121. mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
  122. scene.add( mesh );
  123. }
  124. function onDocumentMouseMove( event ) {
  125. mouseX = ( event.clientX - windowHalfX ) * 4;
  126. mouseY = ( event.clientY - windowHalfY ) * 4;
  127. }
  128. //
  129. function animate() {
  130. requestAnimationFrame( animate );
  131. render();
  132. stats.update();
  133. }
  134. function render() {
  135. var timer = - 0.0002 * Date.now();
  136. camera.position.x += ( mouseX - camera.position.x ) * .05;
  137. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  138. camera.lookAt( scene.position );
  139. pointLight.position.x = 1500 * Math.cos( timer );
  140. pointLight.position.z = 1500 * Math.sin( timer );
  141. renderer.render( scene, camera );
  142. }
  143. </script>
  144. </body>
  145. </html>