webgl_water_flowmap.html 3.7 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js - water flow map</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 { color: #ffffff; }
  26. </style>
  27. <script src="../build/three.js"></script>
  28. <script src="js/controls/OrbitControls.js"></script>
  29. <script src="js/objects/Reflector.js"></script>
  30. <script src="js/objects/Refractor.js"></script>
  31. <script src="js/objects/Water2.js"></script>
  32. <script src="js/WebGL.js"></script>
  33. <script src="js/libs/dat.gui.min.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> - water flow map
  39. </div>
  40. <script>
  41. if ( WEBGL.isWebGLAvailable() === false ) {
  42. document.body.appendChild( WEBGL.getWebGLErrorMessage() );
  43. }
  44. var scene, camera, renderer, water;
  45. init();
  46. animate();
  47. function init() {
  48. // scene
  49. scene = new THREE.Scene();
  50. // camera
  51. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 1000 );
  52. camera.position.set( 0, 25, 0 );
  53. camera.lookAt( scene.position );
  54. // ground
  55. var groundGeometry = new THREE.PlaneBufferGeometry( 20, 20, 10, 10 );
  56. var groundMaterial = new THREE.MeshBasicMaterial( { color: 0xcccccc } );
  57. var ground = new THREE.Mesh( groundGeometry, groundMaterial );
  58. ground.rotation.x = Math.PI * - 0.5;
  59. scene.add( ground );
  60. var textureLoader = new THREE.TextureLoader();
  61. textureLoader.load( 'textures/floors/FloorsCheckerboard_S_Diffuse.jpg', function ( map ) {
  62. map.wrapS = THREE.RepeatWrapping;
  63. map.wrapT = THREE.RepeatWrapping;
  64. map.anisotropy = 16;
  65. map.repeat.set( 4, 4 );
  66. groundMaterial.map = map;
  67. groundMaterial.needsUpdate = true;
  68. } );
  69. // water
  70. var waterGeometry = new THREE.PlaneBufferGeometry( 20, 20 );
  71. var flowMap = textureLoader.load( 'textures/water/Water_1_M_Flow.jpg' );
  72. water = new THREE.Water( waterGeometry, {
  73. scale: 2,
  74. textureWidth: 1024,
  75. textureHeight: 1024,
  76. flowMap: flowMap
  77. } );
  78. water.position.y = 1;
  79. water.rotation.x = Math.PI * - 0.5;
  80. scene.add( water );
  81. // flow map helper
  82. var helperGeometry = new THREE.PlaneBufferGeometry( 20, 20 );
  83. var helperMaterial = new THREE.MeshBasicMaterial( { map: flowMap } );
  84. var helper = new THREE.Mesh( helperGeometry, helperMaterial );
  85. helper.position.y = 1.01;
  86. helper.rotation.x = Math.PI * - 0.5;
  87. helper.visible = false;
  88. scene.add( helper );
  89. // renderer
  90. renderer = new THREE.WebGLRenderer( { antialias: true } );
  91. renderer.setSize( window.innerWidth, window.innerHeight );
  92. renderer.setPixelRatio( window.devicePixelRatio );
  93. document.body.appendChild( renderer.domElement );
  94. //
  95. var gui = new dat.GUI();
  96. gui.add( helper, 'visible' ).name( 'Show Flow Map' );
  97. gui.open();
  98. //
  99. var controls = new THREE.OrbitControls( camera, renderer.domElement );
  100. //
  101. window.addEventListener( 'resize', onResize, false );
  102. }
  103. function onResize() {
  104. camera.aspect = window.innerWidth / window.innerHeight;
  105. camera.updateProjectionMatrix();
  106. renderer.setSize( window.innerWidth, window.innerHeight );
  107. }
  108. function animate() {
  109. requestAnimationFrame( animate );
  110. render();
  111. }
  112. function render() {
  113. renderer.render( scene, camera );
  114. }
  115. </script>
  116. </body>
  117. </html>