webgl_materials_bumpmap.html 5.1 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - bump map [Lee Perry-Smith]</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. font-weight: bold;
  14. overflow:hidden;
  15. }
  16. a { color: #ffffff; }
  17. #info {
  18. position: absolute;
  19. top: 0px; width: 100%;
  20. color: #ffffff;
  21. padding: 5px;
  22. font-family:Monospace;
  23. font-size:13px;
  24. text-align:center;
  25. z-index:1000;
  26. }
  27. #oldie {
  28. background:rgb(200,100,0) !important;
  29. color:#fff;
  30. }
  31. #vt { display:none }
  32. #vt, #vt a { color:orange; }
  33. #stats { position: absolute; top:0; left: 0 }
  34. #stats #fps { background: transparent !important }
  35. #stats #fps #fpsText { color: #aaa !important }
  36. #stats #fps #fpsGraph { display: none }
  37. </style>
  38. </head>
  39. <body>
  40. <div id="info">
  41. <a href="http://threejs.org" target="_blank">three.js</a> - webgl bump mapping without tangents using <a href="http://mmikkelsen3d.blogspot.sk/2011/07/derivative-maps.html">Morten Mikkelsen's</a> method -
  42. <a href="http://graphics.cs.williams.edu/data/meshes.xml#14" target="_blank">Lee Perry-Smith</a> head
  43. </div>
  44. <script src="../build/three.min.js"></script>
  45. <script src="js/Detector.js"></script>
  46. <script src="js/libs/stats.min.js"></script>
  47. <script>
  48. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  49. var statsEnabled = true;
  50. var container, stats, loader;
  51. var camera, scene, renderer;
  52. var mesh;
  53. var spotLight;
  54. var mouseX = 0;
  55. var mouseY = 0;
  56. var targetX = 0;
  57. var targetY = 0;
  58. var windowHalfX = window.innerWidth / 2;
  59. var windowHalfY = window.innerHeight / 2;
  60. init();
  61. animate();
  62. function init() {
  63. container = document.createElement( 'div' );
  64. document.body.appendChild( container );
  65. //
  66. camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
  67. camera.position.z = 1200;
  68. scene = new THREE.Scene();
  69. // LIGHTS
  70. scene.add( new THREE.HemisphereLight( 0x443333, 0x111122 ) );
  71. spotLight = new THREE.SpotLight( 0xffffbb, 2 );
  72. spotLight.position.set( 0.5, 0, 1 );
  73. scene.add( spotLight );
  74. spotLight.position.multiplyScalar( 700 );
  75. spotLight.castShadow = true;
  76. spotLight.onlyShadow = true;
  77. // spotLight.shadowCameraVisible = true;
  78. spotLight.shadowMapWidth = 2048;
  79. spotLight.shadowMapHeight = 2048;
  80. spotLight.shadowCameraNear = 200;
  81. spotLight.shadowCameraFar = 1500;
  82. spotLight.shadowCameraFov = 40;
  83. spotLight.shadowBias = -0.005;
  84. //
  85. var mapHeight = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg" );
  86. mapHeight.anisotropy = 4;
  87. mapHeight.repeat.set( 0.998, 0.998 );
  88. mapHeight.offset.set( 0.001, 0.001 );
  89. mapHeight.wrapS = mapHeight.wrapT = THREE.RepeatWrapping;
  90. mapHeight.format = THREE.RGBFormat;
  91. var material = new THREE.MeshPhongMaterial( {
  92. color: 0x552811,
  93. specular: 0x222222,
  94. shininess: 25,
  95. bumpMap: mapHeight,
  96. bumpScale: 12
  97. } );
  98. loader = new THREE.JSONLoader();
  99. loader.load( "obj/leeperrysmith/LeePerrySmith.js", function( geometry ) { createScene( geometry, 100, material ) } );
  100. renderer = new THREE.WebGLRenderer( { antialias: false } );
  101. renderer.setClearColor( 0x060708 );
  102. renderer.setPixelRatio( window.devicePixelRatio );
  103. renderer.setSize( window.innerWidth, window.innerHeight );
  104. container.appendChild( renderer.domElement );
  105. renderer.shadowMap.enabled = true;
  106. renderer.shadowMap.cullFace = THREE.CullFaceBack;
  107. //
  108. renderer.gammaInput = true;
  109. renderer.gammaOutput = true;
  110. //
  111. if ( statsEnabled ) {
  112. stats = new Stats();
  113. container.appendChild( stats.domElement );
  114. }
  115. // EVENTS
  116. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  117. window.addEventListener( 'resize', onWindowResize, false );
  118. }
  119. function createScene( geometry, scale, material ) {
  120. mesh = new THREE.Mesh( geometry, material );
  121. mesh.position.y = - 50;
  122. mesh.scale.set( scale, scale, scale );
  123. mesh.castShadow = true;
  124. mesh.receiveShadow = true;
  125. scene.add( mesh );
  126. }
  127. //
  128. function onWindowResize( event ) {
  129. SCREEN_WIDTH = window.innerWidth;
  130. SCREEN_HEIGHT = window.innerHeight;
  131. renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
  132. camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
  133. camera.updateProjectionMatrix();
  134. }
  135. function onDocumentMouseMove( event ) {
  136. mouseX = ( event.clientX - windowHalfX );
  137. mouseY = ( event.clientY - windowHalfY );
  138. }
  139. //
  140. function animate() {
  141. requestAnimationFrame( animate );
  142. render();
  143. if ( statsEnabled ) stats.update();
  144. }
  145. function render() {
  146. targetX = mouseX * .001;
  147. targetY = mouseY * .001;
  148. if ( mesh ) {
  149. mesh.rotation.y += 0.05 * ( targetX - mesh.rotation.y );
  150. mesh.rotation.x += 0.05 * ( targetY - mesh.rotation.x );
  151. }
  152. renderer.render( scene, camera );
  153. }
  154. </script>
  155. </body>
  156. </html>
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