webgl_refraction.html 3.2 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js refraction</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;
  18. width: 100%;
  19. color: #ffffff;
  20. padding: 5px;
  21. font-family:Monospace;
  22. font-size:13px;
  23. text-align:center;
  24. }
  25. a {
  26. color: #ffffff;
  27. }
  28. </style>
  29. <script src="../build/three.js"></script>
  30. <script src="js/controls/OrbitControls.js"></script>
  31. <script src="js/shaders/WaterRefractionShader.js"></script>
  32. <script src="js/objects/Refractor.js"></script>
  33. <script src="js/Detector.js"></script>
  34. </head>
  35. <body>
  36. <div id="container"></div>
  37. <div id="info">
  38. <a href="https://threejs.org" target="_blank" rel="noopener noreferrer">three.js</a> refraction
  39. </div>
  40. <script>
  41. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  42. var scene, camera, clock, renderer, refractor;
  43. init();
  44. function init() {
  45. // scene
  46. scene = new THREE.Scene();
  47. // camera
  48. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
  49. camera.position.set( - 10, 0, 15 );
  50. camera.lookAt( scene.position );
  51. // clock
  52. clock = new THREE.Clock();
  53. // mesh
  54. var geometry = new THREE.TorusKnotBufferGeometry( 3, 1, 256, 32 );
  55. var material = new THREE.MeshStandardMaterial( { color: 0x6083c2 } );
  56. var mesh = new THREE.Mesh( geometry, material );
  57. scene.add( mesh );
  58. // refractor
  59. var refractorGeometry = new THREE.PlaneBufferGeometry( 10, 10 );
  60. refractor = new THREE.Refractor( refractorGeometry, {
  61. color: 0x999999,
  62. textureWidth: 1024,
  63. textureHeight: 1024,
  64. shader: THREE.WaterRefractionShader
  65. } );
  66. refractor.position.set( 0, 0, 5 );
  67. scene.add( refractor );
  68. // load dudv map for distortion effect
  69. var dudvMap = new THREE.TextureLoader().load( 'textures/waterdudv.jpg', function () {
  70. animate();
  71. } );
  72. dudvMap.wrapS = dudvMap.wrapT = THREE.RepeatWrapping;
  73. refractor.material.uniforms.tDudv.value = dudvMap;
  74. // light
  75. var ambientLight = new THREE.AmbientLight( 0xcccccc, 0.4 );
  76. scene.add( ambientLight );
  77. var pointLight = new THREE.PointLight( 0xffffff, 0.8 );
  78. camera.add( pointLight );
  79. scene.add( camera );
  80. // renderer
  81. renderer = new THREE.WebGLRenderer( { antialias: true } );
  82. renderer.setSize( window.innerWidth, window.innerHeight );
  83. renderer.setClearColor( 0x20252f );
  84. renderer.setPixelRatio( window.devicePixelRatio );
  85. document.body.appendChild( renderer.domElement );
  86. //
  87. controls = new THREE.OrbitControls( camera, renderer.domElement );
  88. //
  89. window.addEventListener( 'resize', onResize, false );
  90. }
  91. function onResize() {
  92. camera.aspect = window.innerWidth / window.innerHeight;
  93. camera.updateProjectionMatrix();
  94. renderer.setSize( window.innerWidth, window.innerHeight );
  95. }
  96. function animate() {
  97. requestAnimationFrame( animate );
  98. render();
  99. }
  100. function render() {
  101. refractor.material.uniforms.time.value += clock.getDelta();
  102. renderer.render( scene, camera );
  103. }
  104. </script>
  105. </body>
  106. </html>