webgl_lights_deferred_pointlights.html 11 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - deferred rendering</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-color: #000;
  10. margin: 0px;
  11. overflow: hidden;
  12. }
  13. #info {
  14. position: absolute;
  15. top: 20px; width: 100%;
  16. color: #ffffff;
  17. padding: 5px;
  18. font-family: Monospace;
  19. font-size: 13px;
  20. text-align: center;
  21. }
  22. a {
  23. color: #ff0080;
  24. text-decoration: none;
  25. }
  26. a:hover {
  27. color: #0080ff;
  28. }
  29. #stats { position: absolute; top:10px; left: 5px }
  30. #stats #fps { background: transparent !important }
  31. #stats #fps #fpsText { color: #aaa !important }
  32. #stats #fps #fpsGraph { display: none }
  33. </style>
  34. </head>
  35. <body>
  36. <div id="info">
  37. <a href="http://threejs.org" target="_blank">three.js</a> - deferred point lights WebGL demo by <a href="http://de.redplant.de" target=_blank>redPlant</a> -
  38. <a href="http://www.ir-ltd.net/infinite-3d-head-scan-released/" target="_blank">Lee Perry-Smith</a> head -
  39. light attenuation formula by <a href="http://imdoingitwrong.wordpress.com/tag/glsl/" target=_blank>Tom Madams</a>
  40. </div>
  41. <div id="container"></div>
  42. <script src="../build/three.min.js"></script>
  43. <script src="js/Detector.js"></script>
  44. <script src="js/libs/stats.min.js"></script>
  45. <script src="js/renderers/WebGLDeferredRenderer.js"></script>
  46. <script src="js/ShaderDeferred.js"></script>
  47. <script src="js/shaders/CopyShader.js"></script>
  48. <script src="js/shaders/FXAAShader.js"></script>
  49. <script src="js/postprocessing/EffectComposer.js"></script>
  50. <script src="js/postprocessing/RenderPass.js"></script>
  51. <script src="js/postprocessing/ShaderPass.js"></script>
  52. <script src="js/postprocessing/MaskPass.js"></script>
  53. <!--
  54. <script src="js/loaders/UTF8Loader.js"></script>
  55. <script src="js/loaders/MTLLoader.js"></script>
  56. -->
  57. <script>
  58. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  59. var SCALE = 0.75;
  60. var MARGIN = 100;
  61. var WIDTH = window.innerWidth;
  62. var HEIGHT = window.innerHeight - 2 * MARGIN;
  63. var NEAR = 1.0, FAR = 350.0;
  64. var VIEW_ANGLE = 45;
  65. // controls
  66. var mouseX = 0;
  67. var mouseY = 0;
  68. var targetX = 0, targetY = 0;
  69. var angle = 0;
  70. var target = new THREE.Vector3( 0, 0, 0 );
  71. var windowHalfX = window.innerWidth / 2;
  72. var windowHalfY = window.innerHeight / 2;
  73. // core
  74. var renderer, camera, scene, stats, clock;
  75. // lights
  76. var numLights = 50;
  77. var lights = [];
  78. //
  79. init();
  80. animate();
  81. // -----------------------------
  82. function init() {
  83. // renderer
  84. renderer = new THREE.WebGLDeferredRenderer( { width: WIDTH, height: HEIGHT, scale: SCALE, additiveSpecular: false, brightness: 2 } );
  85. renderer.domElement.style.position = "absolute";
  86. renderer.domElement.style.top = MARGIN + "px";
  87. renderer.domElement.style.left = "0px";
  88. var container = document.getElementById( 'container' );
  89. container.appendChild( renderer.domElement );
  90. // camera
  91. camera = new THREE.PerspectiveCamera( VIEW_ANGLE, WIDTH / HEIGHT, NEAR, FAR );
  92. camera.position.z = 150;
  93. // scene
  94. scene = new THREE.Scene();
  95. scene.add( camera );
  96. // stats
  97. stats = new Stats();
  98. stats.domElement.style.position = 'absolute';
  99. stats.domElement.style.top = '8px';
  100. stats.domElement.style.zIndex = 100;
  101. container.appendChild( stats.domElement );
  102. // clock
  103. clock = new THREE.Clock();
  104. // add lights
  105. initLights();
  106. // add objects
  107. initObjects();
  108. // events
  109. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  110. window.addEventListener( 'resize', onWindowResize, false );
  111. }
  112. // -----------------------------
  113. function initLights() {
  114. var distance = 40;
  115. // front light
  116. var light = new THREE.PointLight( 0xffffff, 1.5, 1.5 * distance );
  117. scene.add( light );
  118. lights.push( light );
  119. // random lights
  120. var c = new THREE.Vector3();
  121. for ( var i = 1; i < numLights; i ++ ) {
  122. var light = new THREE.PointLight( 0xffffff, 2.0, distance );
  123. c.set( Math.random(), Math.random(), Math.random() ).normalize();
  124. light.color.setRGB( c.x, c.y, c.z );
  125. light.color.convertGammaToLinear();
  126. scene.add( light );
  127. lights.push( light );
  128. }
  129. var geometry = new THREE.SphereGeometry( 0.7, 7, 7 );
  130. for ( var i = 0; i < numLights; i ++ ) {
  131. var light = lights[ i ];
  132. var material = new THREE.MeshBasicMaterial();
  133. material.color = light.color;
  134. var emitter = new THREE.Mesh( geometry, material );
  135. emitter.position = light.position;
  136. scene.add( emitter );
  137. }
  138. }
  139. // -----------------------------
  140. function initObjects() {
  141. /*
  142. var loader = new THREE.UTF8Loader();
  143. loader.load( "models/utf8/ben_dds.js", function ( object ) {
  144. object.scale.multiplyScalar( 150 );
  145. object.position.y = -75;
  146. scene.add( object );
  147. }, { normalizeRGB: true } );
  148. loader.load( "models/utf8/WaltHi.js", function ( object ) {
  149. object.position.y = -35;
  150. scene.add( object );
  151. }, { normalizeRGB: true } );
  152. */
  153. var loader = new THREE.JSONLoader();
  154. loader.load( "obj/leeperrysmith/LeePerrySmith.js", function( geometry, materials ) {
  155. var mapColor = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-COL.jpg" );
  156. var mapHeight = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg" );
  157. mapHeight.repeat.set( 0.998, 0.998 );
  158. mapHeight.offset.set( 0.001, 0.001 )
  159. mapHeight.wrapS = mapHeight.wrapT = THREE.RepeatWrapping;
  160. mapHeight.anisotropy = 4;
  161. mapHeight.format = THREE.RGBFormat;
  162. var material = new THREE.MeshPhongMaterial( { map: mapColor, bumpMap: mapHeight, bumpScale: 2.5, shininess: 75, specular: 0x090909, wrapAround: true } );
  163. var object = new THREE.Mesh( geometry, material );
  164. object.scale.multiplyScalar( 8 );
  165. scene.add( object );
  166. } );
  167. var loader = new THREE.BinaryLoader();
  168. loader.load( "obj/female02/Female02_bin.js", function( geometry, materials ) {
  169. for ( var i = 0; i < materials.length; i ++ ) materials[ i ].wrapAround = true;
  170. var object = new THREE.Mesh( geometry, new THREE.MeshFaceMaterial( materials ) );
  171. object.position.x = -50;
  172. object.position.y = -48;
  173. object.scale.multiplyScalar( 0.45 );
  174. scene.add( object );
  175. } );
  176. loader.load( "obj/male02/Male02_bin.js", function( geometry, materials ) {
  177. for ( var i = 0; i < materials.length; i ++ ) materials[ i ].wrapAround = true;
  178. var object = new THREE.Mesh( geometry, new THREE.MeshFaceMaterial( materials ) );
  179. object.position.x = 50;
  180. object.position.y = -48;
  181. object.scale.multiplyScalar( 0.45 );
  182. scene.add( object );
  183. } );
  184. // create box
  185. var box = generateBox();
  186. box.scale.multiplyScalar( 8 );
  187. scene.add( box );
  188. }
  189. // -----------------------------
  190. function generateBox() {
  191. var object = new THREE.Object3D();
  192. var mapHeight2 = THREE.ImageUtils.loadTexture( "obj/lightmap/rocks.jpg" );
  193. mapHeight2.repeat.set( 3, 1.5 );
  194. mapHeight2.wrapS = mapHeight2.wrapT = THREE.RepeatWrapping;
  195. mapHeight2.anisotropy = 4;
  196. mapHeight2.format = THREE.RGBFormat;
  197. var mapHeight3 = THREE.ImageUtils.loadTexture( "textures/water.jpg" );
  198. mapHeight3.repeat.set( 16, 8 );
  199. mapHeight3.wrapS = mapHeight3.wrapT = THREE.RepeatWrapping;
  200. mapHeight3.anisotropy = 4;
  201. mapHeight3.format = THREE.RGBFormat;
  202. var geoPlane = new THREE.PlaneGeometry( 40, 20 );
  203. var matPlane = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0x111111, shininess: 50, bumpMap: mapHeight2, bumpScale: 0.5 } );
  204. var matPlane2 = new THREE.MeshPhongMaterial( { color: 0x331919, specular: 0x111111, shininess: 50, bumpMap: mapHeight2, bumpScale: 1 } );
  205. var matPlane3 = new THREE.MeshPhongMaterial( { color: 0x00aaff, specular: 0xffffff, shininess: 200, bumpMap: mapHeight3, bumpScale: 1.2, wrapAround: true } );
  206. var matPlane4 = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0x111111, shininess: 50, bumpMap: mapHeight3, bumpScale: 1 } );
  207. // bottom
  208. var mesh = new THREE.Mesh( geoPlane, matPlane3 );
  209. mesh.position.z = -2;
  210. mesh.position.y = -6;
  211. mesh.rotation.x = -Math.PI/2;
  212. object.add( mesh );
  213. // top
  214. var mesh = new THREE.Mesh( geoPlane, matPlane4 );
  215. mesh.position.z = -2;
  216. mesh.position.y = 6;
  217. mesh.rotation.x = Math.PI/2;
  218. object.add( mesh );
  219. // back
  220. var mesh = new THREE.Mesh( geoPlane, matPlane );
  221. mesh.position.z = -4;
  222. mesh.position.y = 0;
  223. object.add( mesh );
  224. // right
  225. var mesh = new THREE.Mesh( geoPlane, matPlane );
  226. mesh.position.z = 0;
  227. mesh.position.y = 0;
  228. mesh.position.x = 13;
  229. mesh.rotation.y = -Math.PI/2;
  230. //object.add( mesh );
  231. // left
  232. var mesh = new THREE.Mesh( geoPlane, matPlane );
  233. mesh.position.z = 0;
  234. mesh.position.y = 0;
  235. mesh.position.x = -13;
  236. mesh.rotation.y = Math.PI/2;
  237. //object.add( mesh );
  238. return object;
  239. }
  240. // -----------------------------
  241. function onWindowResize( event ) {
  242. windowHalfX = window.innerWidth / 2;
  243. windowHalfY = window.innerHeight / 2;
  244. WIDTH = window.innerWidth;
  245. HEIGHT = window.innerHeight - 2 * MARGIN;
  246. renderer.setSize( WIDTH, HEIGHT );
  247. camera.aspect = WIDTH / HEIGHT;
  248. camera.updateProjectionMatrix();
  249. }
  250. function onDocumentMouseMove( event ) {
  251. mouseX = ( event.clientX - windowHalfX ) * 1;
  252. mouseY = ( event.clientY - windowHalfY ) * 1;
  253. }
  254. // -----------------------------
  255. function animate() {
  256. requestAnimationFrame( animate );
  257. render();
  258. stats.update();
  259. }
  260. function render() {
  261. // update lights
  262. var time = Date.now() * 0.0005;
  263. var x, y, z;
  264. for ( var i = 0, il = lights.length; i < il; i ++ ) {
  265. var light = lights[ i ];
  266. if ( i > 0 ) {
  267. x = Math.sin( time + i * 1.7 ) * 80;
  268. y = Math.cos( time + i * 1.5 ) * 40;
  269. z = Math.cos( time + i * 1.3 ) * 30;
  270. } else {
  271. x = Math.sin( time * 3 ) * 20;
  272. y = 15;
  273. z = Math.cos( time * 3 ) * 25 + 10;
  274. }
  275. light.position.set( x, y, z );
  276. }
  277. // update camera
  278. var delta = clock.getDelta();
  279. targetX = mouseX * .001;
  280. targetY = mouseY * .001;
  281. angle += 0.05 * ( targetX - angle );
  282. camera.position.x = -Math.sin( angle ) * 150;
  283. camera.position.z = Math.cos( angle ) * 150;
  284. camera.lookAt( target );
  285. // render
  286. renderer.render( scene, camera );
  287. }
  288. </script>
  289. </body>
  290. </html>