webgl_water.html 5.3 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js - water</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/objects/Reflector.js"></script>
  32. <script src="js/objects/Refractor.js"></script>
  33. <script src="js/objects/Water2.js"></script>
  34. <script src="js/Detector.js"></script>
  35. <script src="js/libs/dat.gui.min.js"></script>
  36. </head>
  37. <body>
  38. <div id="container"></div>
  39. <div id="info">
  40. <a href="https://threejs.org" target="_blank" rel="noopener noreferrer">three.js</a> - water
  41. </div>
  42. <script>
  43. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  44. var scene, camera, clock, renderer, water;
  45. var torusKnot;
  46. var params = {
  47. color: '#ffffff',
  48. scale: 4,
  49. flowX: 1,
  50. flowY: 1
  51. };
  52. init();
  53. animate();
  54. function init() {
  55. // scene
  56. scene = new THREE.Scene();
  57. // camera
  58. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 1000 );
  59. camera.position.set( - 15, 7, 15 );
  60. camera.lookAt( scene.position );
  61. // clock
  62. clock = new THREE.Clock();
  63. // mesh
  64. var torusKnotGeometry = new THREE.TorusKnotBufferGeometry( 3, 1, 256, 32 );
  65. var torusKnotMaterial = new THREE.MeshNormalMaterial();
  66. torusKnot = new THREE.Mesh( torusKnotGeometry, torusKnotMaterial );
  67. torusKnot.position.y = 4;
  68. torusKnot.scale.set( 0.5, 0.5, 0.5 );
  69. scene.add( torusKnot );
  70. // ground
  71. var groundGeometry = new THREE.PlaneBufferGeometry( 20, 20 );
  72. var groundMaterial = new THREE.MeshStandardMaterial( { roughness: 0.8, metalness: 0.4 } );
  73. var ground = new THREE.Mesh( groundGeometry, groundMaterial );
  74. ground.rotation.x = Math.PI * - 0.5;
  75. scene.add( ground );
  76. var textureLoader = new THREE.TextureLoader();
  77. textureLoader.load( 'textures/hardwood2_diffuse.jpg', function( map ) {
  78. map.wrapS = THREE.RepeatWrapping;
  79. map.wrapT = THREE.RepeatWrapping;
  80. map.anisotropy = 16;
  81. map.repeat.set( 4, 4 );
  82. groundMaterial.map = map;
  83. groundMaterial.needsUpdate = true;
  84. } );
  85. // water
  86. water = new THREE.Water( 20, 20, {
  87. color: params.color,
  88. scale: params.scale,
  89. flowDirection: new THREE.Vector2( params.flowX, params.flowY ),
  90. textureWidth: 1024,
  91. textureHeight: 1024
  92. } );
  93. water.position.y = 1;
  94. water.rotation.x = Math.PI * - 0.5;
  95. scene.add( water );
  96. // skybox
  97. var cubeTextureLoader = new THREE.CubeTextureLoader();
  98. cubeTextureLoader.setPath( 'textures/cube/skybox/' );
  99. var cubeTexture = cubeTextureLoader.load( [
  100. 'px.jpg', 'nx.jpg',
  101. 'py.jpg', 'ny.jpg',
  102. 'pz.jpg', 'nz.jpg',
  103. ] );
  104. var cubeShader = THREE.ShaderLib[ 'cube' ];
  105. cubeShader.uniforms[ 'tCube' ].value = cubeTexture;
  106. var skyBoxMaterial = new THREE.ShaderMaterial( {
  107. fragmentShader: cubeShader.fragmentShader,
  108. vertexShader: cubeShader.vertexShader,
  109. uniforms: cubeShader.uniforms,
  110. side: THREE.BackSide
  111. } );
  112. var skyBox = new THREE.Mesh( new THREE.BoxBufferGeometry( 1000, 1000, 1000 ), skyBoxMaterial );
  113. scene.add( skyBox );
  114. // light
  115. var ambientLight = new THREE.AmbientLight( 0xcccccc, 0.4 );
  116. scene.add( ambientLight );
  117. var directionalLight = new THREE.DirectionalLight( 0xffffff, 0.6 );
  118. directionalLight.position.set( - 1, 1, 1 );
  119. scene.add( directionalLight );
  120. // renderer
  121. renderer = new THREE.WebGLRenderer( { antialias: true } );
  122. renderer.setSize( window.innerWidth, window.innerHeight );
  123. renderer.setPixelRatio( window.devicePixelRatio );
  124. document.body.appendChild( renderer.domElement );
  125. // dat.gui
  126. var gui = new dat.GUI();
  127. gui.addColor( params, 'color' ).onChange( function( value ) {
  128. water.material.uniforms.color.value.set( value );
  129. } );
  130. gui.add( params, 'scale', 1, 10 ).onChange( function( value ) {
  131. water.material.uniforms.config.value.w = value;
  132. } );
  133. gui.add( params, 'flowX', - 1, 1 ).step( 0.01 ).onChange( function( value ) {
  134. water.material.uniforms.flowDirection.value.x = value;
  135. water.material.uniforms.flowDirection.value.normalize();
  136. } );
  137. gui.add( params, 'flowY', - 1, 1 ).step( 0.01 ).onChange( function( value ) {
  138. water.material.uniforms.flowDirection.value.y = value;
  139. water.material.uniforms.flowDirection.value.normalize();
  140. } );
  141. gui.open();
  142. //
  143. controls = new THREE.OrbitControls( camera, renderer.domElement );
  144. //
  145. window.addEventListener( 'resize', onResize, false );
  146. }
  147. function onResize() {
  148. camera.aspect = window.innerWidth / window.innerHeight;
  149. camera.updateProjectionMatrix();
  150. renderer.setSize( window.innerWidth, window.innerHeight );
  151. }
  152. function animate() {
  153. requestAnimationFrame( animate );
  154. render();
  155. }
  156. function render() {
  157. var delta = clock.getDelta();
  158. torusKnot.rotation.x += delta;
  159. torusKnot.rotation.y += delta * 0.5;
  160. renderer.render( scene, camera );
  161. }
  162. </script>
  163. </body>
  164. </html>