webgl_particles_dynamic.html 12 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - particles - dynamic - postprocessing</title>
  5. <meta charset="utf-8">
  6. <style type="text/css">
  7. body {
  8. color: #fff;
  9. font-family:Monospace;
  10. font-size:13px;
  11. text-align:center;
  12. font-weight: bold;
  13. background-color: #000;
  14. margin: 0px;
  15. overflow: hidden;
  16. }
  17. #info {
  18. color:#fff;
  19. position: absolute;
  20. top: 0px; width: 100%;
  21. padding: 5px;
  22. }
  23. a { color: red; }
  24. </style>
  25. </head>
  26. <body>
  27. <div id="container"></div>
  28. <div id="info">
  29. <a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl dynamic particles + postprocessing
  30. - models by <a href="http://sketchup.google.com/3dwarehouse/details?mid=2c6fd128fca34052adc5f5b98d513da1" target="_blank">Reallusion</a>
  31. <a href="http://sketchup.google.com/3dwarehouse/details?mid=f526cc4abf7cb68d76cab47c765b7255" target="_blank">iClone</a>,
  32. <a href="http://artist-3d.com/free_3d_models/dnm/model_disp.php?uid=1129" target="_blank">Troyano</a>
  33. </div>
  34. <script type="text/javascript" src="../build/Three.js"></script>
  35. <script type="text/javascript" src="js/ShaderExtras.js"></script>
  36. <script type="text/javascript" src="js/postprocessing/EffectComposer.js"></script>
  37. <script type="text/javascript" src="js/postprocessing/MaskPass.js"></script>
  38. <script type="text/javascript" src="js/postprocessing/RenderPass.js"></script>
  39. <script type="text/javascript" src="js/postprocessing/BloomPass.js"></script>
  40. <script type="text/javascript" src="js/postprocessing/ShaderPass.js"></script>
  41. <script type="text/javascript" src="js/postprocessing/FilmPass.js"></script>
  42. <script type="text/javascript" src="js/Stats.js"></script>
  43. <script type="text/javascript" src="js/Detector.js"></script>
  44. <script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
  45. <script type="text/javascript">
  46. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  47. var SCREEN_HEIGHT = window.innerHeight;
  48. var SCREEN_WIDTH = window.innerWidth;
  49. var container, stats;
  50. var camera, scene, renderer, mesh, directionalLight;
  51. var parent,
  52. meshes = [], clonemeshes = [];
  53. var p;
  54. var aloader, bloader;
  55. var total = 0, totaln = 0;
  56. var composer, effectFocus;
  57. init();
  58. animate();
  59. function init() {
  60. container = document.getElementById( 'container' );
  61. camera = new THREE.Camera( 20, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 50000 );
  62. camera.position.z = 7000;
  63. camera.position.y = 700;
  64. scene = new THREE.Scene();
  65. scene.fog = new THREE.FogExp2( 0x000104, 0.0000675 );
  66. directionalLight = new THREE.DirectionalLight( 0xffffff );
  67. directionalLight.position.set( 0, 0, 1 );
  68. directionalLight.position.normalize();
  69. scene.addLight( directionalLight );
  70. aloader = new THREE.JSONLoader( );
  71. bloader = new THREE.BinaryLoader( true );
  72. document.body.appendChild( bloader.statusDomElement );
  73. aloader.load( { model: "obj/terrain.js", callback: function( geometry ) {
  74. createMesh( geometry, scene, 16.8, -11000, -200, -5000, 0x00ff44, false );
  75. createMesh( geometry, scene, 16.8, 11000, -200, -15000, 0x00ff33, false );
  76. createMesh( geometry, scene, 16.8, 0, -200, -15000, 0x00ff33, false );
  77. createMesh( geometry, scene, 16.8, 0, -200, 15000, 0x00ff33, false );
  78. createMesh( geometry, scene, 16.8, 11000, -200, 15000, 0x00ff22, false );
  79. createMesh( geometry, scene, 16.8, -11000, -200, 5000, 0x00ff11, false );
  80. createMesh( geometry, scene, 16.8, 13000, -200, 5000, 0x00ff55, false );
  81. createMesh( geometry, scene, 16.8, 13000, -200, -5000, 0x00ff66, false );
  82. } } );
  83. bloader.load( { model: "obj/veyron/VeyronNoUv_bin.js", callback: function( geometry ) { createMesh( geometry, scene, 6.8, 2200, -200, -100, 0x0055ff, false ) } } );
  84. bloader.load( { model: "obj/female02/Female02_bin.js", callback: function( geometry ) {
  85. createMesh( geometry, scene, 4.05, -1000, -350, 0, 0xffdd44, true );
  86. createMesh( geometry, scene, 4.05, 0, -350, 0, 0xffffff, true );
  87. createMesh( geometry, scene, 4.05, 1000, -350, 400, 0xff4422, true );
  88. createMesh( geometry, scene, 4.05, 250, -350, 1500, 0xff9955, true );
  89. createMesh( geometry, scene, 4.05, 250, -350, 2500, 0xff77dd, true );
  90. } } );
  91. bloader.load( { model: "obj/male02/Male02_bin.js", callback: function( geometry ) {
  92. createMesh( geometry, scene, 4.05, -500, -350, 600, 0xff7744, true );
  93. createMesh( geometry, scene, 4.05, 500, -350, 0, 0xff5522, true );
  94. createMesh( geometry, scene, 4.05, -250, -350, 1500, 0xff9922, true );
  95. createMesh( geometry, scene, 4.05, -250, -350, -1500, 0xff99ff, true );
  96. } } );
  97. //
  98. renderer = new THREE.WebGLRenderer( { clearColor: 0x000000, clearAlpha: 1, antialias: false } );
  99. renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
  100. renderer.autoClear = false;
  101. renderer.sortObjects = false;
  102. container.appendChild( renderer.domElement );
  103. renderer.setClearColor( scene.fog.color, 1 );
  104. //
  105. stats = new Stats();
  106. stats.domElement.style.position = 'absolute';
  107. stats.domElement.style.top = '0px';
  108. //container.appendChild( stats.domElement );
  109. //
  110. parent = new THREE.Object3D();
  111. scene.addObject( parent );
  112. var grid = new THREE.ParticleSystem( new THREE.PlaneGeometry( 15000, 15000, 64, 64 ), new THREE.ParticleBasicMaterial( { color: 0xff0000, size: 10 } ) );
  113. grid.rotation.x = 1.57;
  114. grid.position.y = -400;
  115. parent.addChild( grid );
  116. totaln += 1;
  117. total += grid.geometry.vertices.length;
  118. // postprocessing
  119. var renderModel = new THREE.RenderPass( scene, camera );
  120. var effectBloom = new THREE.BloomPass( 0.75 );
  121. var effectFilm = new THREE.FilmPass( 0.5, 0.5, 1448, false );
  122. effectFocus = new THREE.ShaderPass( THREE.ShaderExtras[ "focus" ] );
  123. effectFocus.uniforms[ "screenWidth" ].value = window.innerWidth;
  124. effectFocus.uniforms[ "screenHeight" ].value = window.innerHeight;
  125. effectFocus.renderToScreen = true;
  126. composer = new THREE.EffectComposer( renderer );
  127. composer.addPass( renderModel );
  128. composer.addPass( effectBloom );
  129. composer.addPass( effectFilm );
  130. composer.addPass( effectFocus );
  131. //
  132. window.addEventListener( 'resize', onWindowResize, false );
  133. }
  134. //
  135. function onWindowResize( event ) {
  136. renderer.setSize( window.innerWidth, window.innerHeight );
  137. camera.aspect = window.innerWidth / window.innerHeight;
  138. camera.updateProjectionMatrix();
  139. composer.reset();
  140. effectFocus.uniforms[ "screenWidth" ].value = window.innerWidth;
  141. effectFocus.uniforms[ "screenHeight" ].value = window.innerHeight;
  142. }
  143. //
  144. function createMesh( originalGeometry, scene, scale, x, y, z, color, dynamic ) {
  145. var i, c;
  146. var vertices = originalGeometry.vertices;
  147. var vl = vertices.length;
  148. var geometry = new THREE.Geometry();
  149. var vertices_tmp = [];
  150. for( i = 0; i < vl; i++ ) {
  151. p = vertices[ i ].position;
  152. geometry.vertices[ i ] = new THREE.Vertex( p.clone() );
  153. vertices_tmp[ i ] = [ p.x, p.y, p.z, 0, 0 ];
  154. }
  155. var clones = [
  156. [ 6000, 0, -4000 ],
  157. [ 5000, 0, 0 ],
  158. [ 1000, 0, 5000 ],
  159. [ 1000, 0, -5000 ],
  160. [ 4000, 0, 2000 ],
  161. [ -4000, 0, 1000 ],
  162. [ -5000, 0, -5000 ],
  163. [ 0, 0, 0 ]
  164. ];
  165. if ( dynamic ) {
  166. for( i = 0; i < clones.length; i++ ) {
  167. c = ( i < clones.length -1 ) ? 0x252525 : color;
  168. mesh = new THREE.ParticleSystem( geometry, new THREE.ParticleBasicMaterial( { size: 3, color: c } ) );
  169. mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
  170. mesh.position.x = x + clones[ i ][ 0 ];
  171. mesh.position.y = y + clones[ i ][ 1 ];
  172. mesh.position.z = z + clones[ i ][ 2 ];
  173. parent.addChild( mesh );
  174. clonemeshes.push( { mesh: mesh, speed: 0.5 + Math.random() } );
  175. }
  176. totaln += clones.length;
  177. total += clones.length * vl;
  178. } else {
  179. mesh = new THREE.ParticleSystem( geometry, new THREE.ParticleBasicMaterial( { size: 3, color: color } ) );
  180. mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
  181. mesh.position.x = x;
  182. mesh.position.y = y;
  183. mesh.position.z = z;
  184. parent.addChild( mesh );
  185. totaln += 1;
  186. total += vl;
  187. }
  188. bloader.statusDomElement.style.display = "none";
  189. meshes.push( { mesh: mesh, vertices: geometry.vertices, vertices_tmp: vertices_tmp, vl: vl,
  190. down: 0, up: 0, direction: 0, speed: 35, delay: Math.floor( 200 + 200 * Math.random() ),
  191. started: false, start: Math.floor( 100 + 200 * Math.random() ),
  192. dynamic: dynamic,
  193. bb: geometry.boundingBox } );
  194. //console.log( total, totaln );
  195. }
  196. var j, jl, cm, data, vertices, vertices_tmp, vl, d, vt,
  197. time, oldTime, delta;
  198. function animate() {
  199. requestAnimationFrame( animate );
  200. render();
  201. stats.update();
  202. }
  203. function render() {
  204. if ( ! oldTime ) {
  205. oldTime = new Date().getTime();
  206. }
  207. time = new Date().getTime();
  208. delta = 0.01 * ( time - oldTime );
  209. oldTime = time;
  210. delta = delta < 2 ? delta : 2;
  211. parent.rotation.y += -0.02 * delta;
  212. for( j = 0, jl = clonemeshes.length; j < jl; j++ ) {
  213. cm = clonemeshes[ j ];
  214. cm.mesh.rotation.y += -0.1 * delta * cm.speed;
  215. }
  216. for( j = 0, jl = meshes.length; j < jl; j++ ) {
  217. data = meshes[ j ];
  218. mesh = data.mesh;
  219. vertices = data.vertices;
  220. vertices_tmp = data.vertices_tmp;
  221. vl = data.vl;
  222. if ( ! data.dynamic ) continue;
  223. if ( data.start > 0 ) {
  224. data.start -= 1;
  225. } else {
  226. if ( !data.started ) {
  227. data.direction = -1;
  228. data.started = true;
  229. }
  230. }
  231. for ( i = 0; i < vl; i ++ ) {
  232. p = vertices[ i ].position;
  233. vt = vertices_tmp[ i ];
  234. // falling down
  235. if ( data.direction < 0 ) {
  236. // var d = Math.abs( p.x - vertices_tmp[ i ][ 0 ] ) + Math.abs( p.y - vertices_tmp[ i ][ 1 ] ) + Math.abs( p.z - vertices_tmp[ i ][ 2 ] );
  237. // if ( d < 200 ) {
  238. if ( p.y > 0 ) {
  239. // p.y += data.direction * data.speed * delta;
  240. p.x += 1.5 * ( 0.50 - Math.random() ) * data.speed * delta;
  241. p.y += 3.0 * ( 0.25 - Math.random() ) * data.speed * delta;
  242. p.z += 1.5 * ( 0.50 - Math.random() ) * data.speed * delta;
  243. } else {
  244. if ( ! vt[ 3 ] ) {
  245. vt[ 3 ] = 1;
  246. data.down += 1;
  247. }
  248. }
  249. }
  250. // rising up
  251. if ( data.direction > 0 ) {
  252. //if ( p.y < vertices_tmp[ i ][ 1 ] ) {
  253. // p.y += data.direction * data.speed * delta;
  254. d = Math.abs( p.x - vt[ 0 ] ) + Math.abs( p.y - vt[ 1 ] ) + Math.abs( p.z - vt[ 2 ] );
  255. if ( d > 1 ) {
  256. p.x += - ( p.x - vt[ 0 ] ) / d * data.speed * delta * ( 0.85 - Math.random() );
  257. p.y += - ( p.y - vt[ 1 ] ) / d * data.speed * delta * ( 1 + Math.random() );
  258. p.z += - ( p.z - vt[ 2 ] ) / d * data.speed * delta * ( 0.85 - Math.random() );
  259. } else {
  260. if ( ! vt[ 4 ] ) {
  261. vt[ 4 ] = 1;
  262. data.up += 1;
  263. }
  264. }
  265. }
  266. }
  267. // all down
  268. if ( data.down == vl ) {
  269. if ( data.delay == 0 ) {
  270. data.direction = 1;
  271. data.speed = 10;
  272. data.down = 0;
  273. data.delay = 320;
  274. for ( i = 0; i < vl; i ++ ) {
  275. vertices_tmp[ i ][ 3 ] = 0;
  276. }
  277. } else {
  278. data.delay -= 1;
  279. }
  280. }
  281. // all up
  282. if ( data.up == vl ) {
  283. if ( data.delay == 0 ) {
  284. data.direction = -1;
  285. data.speed = 35;
  286. data.up = 0;
  287. data.delay = 120;
  288. for ( i = 0; i < vl; i ++ ) {
  289. vertices_tmp[ i ][ 4 ] = 0;
  290. }
  291. } else {
  292. data.delay -= 1;
  293. }
  294. }
  295. mesh.geometry.__dirtyVertices = true;
  296. }
  297. renderer.clear();
  298. composer.render( 0.01 );
  299. }
  300. </script>
  301. </body>
  302. </html>