webgl_shadowmap_performance.html 9.9 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - shadow 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. font-family: Monospace;
  10. background-color: #000;
  11. color: #fff;
  12. margin: 0px;
  13. overflow: hidden;
  14. }
  15. #info {
  16. position: absolute;
  17. top: 10px;
  18. width: 100%;
  19. text-align: center;
  20. z-index: 100;
  21. display:block;
  22. }
  23. #info a { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
  24. </style>
  25. </head>
  26. <body>
  27. <div id="info">
  28. <a href="http://threejs.org" target="_blank">three.js</a> - shadowmap - models by <a href="http://mirada.com/">mirada</a> from <a href="http://ro.me">rome</a></br>
  29. move camera with WASD / RF + mouse
  30. </div>
  31. <script src="../build/three.min.js"></script>
  32. <script src="js/controls/FirstPersonControls.js"></script>
  33. <script src="js/shaders/UnpackDepthRGBAShader.js"></script>
  34. <script src="js/Detector.js"></script>
  35. <script src="js/libs/stats.min.js"></script>
  36. <script src="fonts/helvetiker_bold.typeface.js"></script>
  37. <script>
  38. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  39. var SHADOW_MAP_WIDTH = 2048, SHADOW_MAP_HEIGHT = 1024;
  40. var SCREEN_WIDTH = window.innerWidth;
  41. var SCREEN_HEIGHT = window.innerHeight;
  42. var FLOOR = -250;
  43. var camera, controls, scene, renderer;
  44. var container, stats;
  45. var NEAR = 5, FAR = 3000;
  46. var sceneHUD, cameraOrtho, hudMaterial;
  47. var morph, morphs = [];
  48. var light;
  49. var clock = new THREE.Clock();
  50. init();
  51. animate();
  52. function init() {
  53. container = document.createElement( 'div' );
  54. document.body.appendChild( container );
  55. // SCENE CAMERA
  56. camera = new THREE.PerspectiveCamera( 23, SCREEN_WIDTH / SCREEN_HEIGHT, NEAR, FAR );
  57. camera.position.set( 700, 50, 1900 );
  58. controls = new THREE.FirstPersonControls( camera );
  59. controls.lookSpeed = 0.0125;
  60. controls.movementSpeed = 500;
  61. controls.noFly = false;
  62. controls.lookVertical = true;
  63. controls.constrainVertical = true;
  64. controls.verticalMin = 1.5;
  65. controls.verticalMax = 2.0;
  66. controls.lon = -110;
  67. // SCENE
  68. scene = new THREE.Scene();
  69. scene.fog = new THREE.Fog( 0x59472b, 1000, FAR );
  70. // LIGHTS
  71. var ambient = new THREE.AmbientLight( 0x444444 );
  72. scene.add( ambient );
  73. light = new THREE.SpotLight( 0xffffff, 1, 0, Math.PI/2, 1 );
  74. light.position.set( 0, 1500, 1000 );
  75. light.target.position.set( 0, 0, 0 );
  76. light.castShadow = true;
  77. light.shadowCameraNear = 700;
  78. light.shadowCameraFar = camera.far;
  79. light.shadowCameraFov = 50;
  80. //light.shadowCameraVisible = true;
  81. light.shadowBias = 0.0001;
  82. light.shadowDarkness = 0.5;
  83. light.shadowMapWidth = SHADOW_MAP_WIDTH;
  84. light.shadowMapHeight = SHADOW_MAP_HEIGHT;
  85. scene.add( light );
  86. createHUD();
  87. createScene();
  88. // RENDERER
  89. renderer = new THREE.WebGLRenderer( { antialias: false } );
  90. renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
  91. container.appendChild( renderer.domElement );
  92. renderer.setClearColor( scene.fog.color, 1 );
  93. renderer.autoClear = false;
  94. //
  95. renderer.shadowMapEnabled = true;
  96. renderer.shadowMapType = THREE.PCFSoftShadowMap;
  97. // STATS
  98. stats = new Stats();
  99. stats.domElement.style.position = 'absolute';
  100. stats.domElement.style.top = '0px';
  101. stats.domElement.style.zIndex = 100;
  102. container.appendChild( stats.domElement );
  103. //
  104. window.addEventListener( 'resize', onWindowResize, false );
  105. }
  106. function onWindowResize() {
  107. SCREEN_WIDTH = window.innerWidth;
  108. SCREEN_HEIGHT = window.innerHeight;
  109. camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
  110. camera.updateProjectionMatrix();
  111. renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
  112. controls.handleResize();
  113. }
  114. function createHUD() {
  115. cameraOrtho = new THREE.OrthographicCamera( SCREEN_WIDTH / - 2, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2, SCREEN_HEIGHT / - 2, -10, 1000 );
  116. cameraOrtho.position.z = 10;
  117. var shader = THREE.UnpackDepthRGBAShader;
  118. var uniforms = new THREE.UniformsUtils.clone( shader.uniforms );
  119. hudMaterial = new THREE.ShaderMaterial( { vertexShader: shader.vertexShader, fragmentShader: shader.fragmentShader, uniforms: uniforms } );
  120. var hudGeo = new THREE.PlaneGeometry( SHADOW_MAP_WIDTH / 2, SHADOW_MAP_HEIGHT / 2 );
  121. var hudMesh = new THREE.Mesh( hudGeo, hudMaterial );
  122. hudMesh.position.x = ( SCREEN_WIDTH - SHADOW_MAP_WIDTH / 2 ) * -0.5;
  123. hudMesh.position.y = ( SCREEN_HEIGHT - SHADOW_MAP_HEIGHT / 2 ) * -0.5;
  124. hudMesh.rotation.x = Math.PI / 2;
  125. sceneHUD = new THREE.Scene();
  126. sceneHUD.add( hudMesh );
  127. cameraOrtho.lookAt( sceneHUD.position );
  128. }
  129. function createScene( ) {
  130. // GROUND
  131. var geometry = new THREE.PlaneGeometry( 100, 100 );
  132. var planeMaterial = new THREE.MeshPhongMaterial( { color: 0xffdd99 } );
  133. planeMaterial.ambient = planeMaterial.color;
  134. var ground = new THREE.Mesh( geometry, planeMaterial );
  135. ground.position.set( 0, FLOOR, 0 );
  136. ground.rotation.x = - Math.PI / 2;
  137. ground.scale.set( 100, 100, 100 );
  138. ground.castShadow = false;
  139. ground.receiveShadow = true;
  140. scene.add( ground );
  141. // TEXT
  142. var textGeo = new THREE.TextGeometry( "THREE.JS", {
  143. size: 200,
  144. height: 50,
  145. curveSegments: 12,
  146. font: "helvetiker",
  147. weight: "bold",
  148. style: "normal",
  149. bevelThickness: 2,
  150. bevelSize: 5,
  151. bevelEnabled: true
  152. });
  153. textGeo.computeBoundingBox();
  154. var centerOffset = -0.5 * ( textGeo.boundingBox.max.x - textGeo.boundingBox.min.x );
  155. var textMaterial = new THREE.MeshPhongMaterial( { color: 0xff0000, specular: 0xffffff, ambient: 0xaa0000 } );
  156. var mesh = new THREE.Mesh( textGeo, textMaterial );
  157. mesh.position.x = centerOffset;
  158. mesh.position.y = FLOOR + 67;
  159. mesh.castShadow = true;
  160. mesh.receiveShadow = true;
  161. scene.add( mesh );
  162. // CUBES
  163. var mesh = new THREE.Mesh( new THREE.BoxGeometry( 1500, 220, 150 ), planeMaterial );
  164. mesh.position.y = FLOOR - 50;
  165. mesh.position.z = 20;
  166. mesh.castShadow = true;
  167. mesh.receiveShadow = true;
  168. scene.add( mesh );
  169. var mesh = new THREE.Mesh( new THREE.BoxGeometry( 1600, 170, 250 ), planeMaterial );
  170. mesh.position.y = FLOOR - 50;
  171. mesh.position.z = 20;
  172. mesh.castShadow = true;
  173. mesh.receiveShadow = true;
  174. scene.add( mesh );
  175. // MORPHS
  176. function addMorph( geometry, speed, duration, x, y, z, fudgeColor ) {
  177. var material = new THREE.MeshLambertMaterial( { color: 0xffaa55, morphTargets: true, vertexColors: THREE.FaceColors } );
  178. if ( fudgeColor ) {
  179. material.color.offsetHSL( 0, Math.random() * 0.5 - 0.25, Math.random() * 0.5 - 0.25 );
  180. material.ambient = material.color;
  181. }
  182. var meshAnim = new THREE.MorphAnimMesh( geometry, material );
  183. meshAnim.speed = speed;
  184. meshAnim.duration = duration;
  185. meshAnim.time = 600 * Math.random();
  186. meshAnim.position.set( x, y, z );
  187. meshAnim.rotation.y = Math.PI/2;
  188. meshAnim.castShadow = true;
  189. meshAnim.receiveShadow = true;
  190. scene.add( meshAnim );
  191. morphs.push( meshAnim );
  192. }
  193. function morphColorsToFaceColors( geometry ) {
  194. if ( geometry.morphColors && geometry.morphColors.length ) {
  195. var colorMap = geometry.morphColors[ 0 ];
  196. for ( var i = 0; i < colorMap.colors.length; i ++ ) {
  197. geometry.faces[ i ].color = colorMap.colors[ i ];
  198. }
  199. }
  200. }
  201. var loader = new THREE.JSONLoader();
  202. loader.load( "models/animated/horse.js", function( geometry ) {
  203. morphColorsToFaceColors( geometry );
  204. var i = -600;
  205. while (i < 601){
  206. addMorph( geometry, 550, 1000, 100 - Math.random() * 3000, FLOOR, i, true );
  207. i += 2;
  208. }
  209. } );
  210. /*
  211. loader.load( "obj/morphs/fox.js", function( geometry ) {
  212. morphColorsToFaceColors( geometry );
  213. addMorph( geometry, 200, 1000, 100 - Math.random() * 500, FLOOR - 5, 600 );
  214. } );
  215. loader.load( "obj/morphs/shdw3walk.js", function( geometry ) {
  216. morphColorsToFaceColors( geometry );
  217. addMorph( geometry, 40, 2000, -500, FLOOR + 60, 245 );
  218. } );
  219. loader.load( "obj/morphs/flamingo.js", function( geometry ) {
  220. morphColorsToFaceColors( geometry );
  221. addMorph( geometry, 500, 1000, 500 - Math.random() * 500, FLOOR + 350, 40 );
  222. } );
  223. loader.load( "obj/morphs/stork.js", function( geometry ) {
  224. morphColorsToFaceColors( geometry );
  225. addMorph( geometry, 350, 1000, 500 - Math.random() * 500, FLOOR + 350, 340 );
  226. } );
  227. loader.load( "obj/morphs/mountainlion.js", function( geometry ) {
  228. morphColorsToFaceColors( geometry );
  229. addMorph( geometry, 400, 1000, 500 - Math.random() * 500, FLOOR - 5, 700 );
  230. } );
  231. loader.load( "obj/morphs/bearBrown.js", function( geometry ) {
  232. morphColorsToFaceColors( geometry );
  233. addMorph( geometry, 300, 2500, -500, FLOOR - 5, -750 );
  234. } );
  235. loader.load( "obj/morphs/parrot.js", function( geometry ) {
  236. morphColorsToFaceColors( geometry );
  237. addMorph( geometry, 450, 500, 500 - Math.random() * 500, FLOOR + 300, 700 );
  238. } );
  239. */
  240. }
  241. //
  242. function animate() {
  243. requestAnimationFrame( animate );
  244. render();
  245. stats.update();
  246. }
  247. function render() {
  248. var delta = clock.getDelta();
  249. for ( var i = 0; i < morphs.length; i ++ ) {
  250. morph = morphs[ i ];
  251. morph.updateAnimation( 1000 * delta );
  252. morph.position.x += morph.speed * delta;
  253. if ( morph.position.x > 2000 ) {
  254. morph.position.x = -1000 - Math.random() * 500;
  255. }
  256. }
  257. controls.update( delta );
  258. renderer.clear();
  259. renderer.render( scene, camera );
  260. // Render debug HUD with shadow map
  261. //hudMaterial.uniforms.tDiffuse.texture = light.shadowMap;
  262. //renderer.render( sceneHUD, cameraOrtho );
  263. }
  264. </script>
  265. </body>
  266. </html>