webgl_shading_physical.html 10 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - physically based shading</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. color: #fff;
  10. font-family: Monospace;
  11. font-size: 13px;
  12. text-align: center;
  13. font-weight: bold;
  14. background-color: #000;
  15. margin: 0px;
  16. overflow: hidden;
  17. }
  18. #info {
  19. position: absolute;
  20. width: 100%;
  21. text-align: center;
  22. padding: 5px;
  23. }
  24. a { color: skyblue; }
  25. </style>
  26. </head>
  27. <body>
  28. <div id="info">
  29. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl physically based shading testbed
  30. </div>
  31. <script src="../build/three.js"></script>
  32. <script src="js/controls/TrackballControls.js"></script>
  33. <script src="js/Detector.js"></script>
  34. <script src="js/libs/stats.min.js"></script>
  35. <script src='js/libs/dat.gui.min.js'></script>
  36. <script>
  37. var container, stats;
  38. var camera, scene, renderer;
  39. var mesh, geometry;
  40. var controls;
  41. var cubeCamera;
  42. var sunLight, pointLight, ambientLight;
  43. var mixer;
  44. var clock = new THREE.Clock();
  45. var gui, shadowCameraHelper, shadowConfig = {
  46. shadowCameraVisible: false,
  47. shadowCameraNear: 750,
  48. shadowCameraFar: 4000,
  49. shadowCameraFov: 30,
  50. shadowBias: -0.0002
  51. };
  52. init();
  53. animate();
  54. function init() {
  55. container = document.createElement( 'div' );
  56. document.body.appendChild( container );
  57. // CAMERA
  58. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 2, 10000 );
  59. camera.position.set( 500, 400, 1200 );
  60. // SCENE
  61. scene = new THREE.Scene();
  62. scene.fog = new THREE.Fog( 0, 1000, 10000 );
  63. // CUBE CAMERA
  64. cubeCamera = new THREE.CubeCamera( 1, 10000, 128 );
  65. // TEXTURES
  66. var textureLoader = new THREE.TextureLoader();
  67. var textureSquares = textureLoader.load( "textures/patterns/bright_squares256.png" );
  68. textureSquares.repeat.set( 50, 50 );
  69. textureSquares.wrapS = textureSquares.wrapT = THREE.RepeatWrapping;
  70. textureSquares.magFilter = THREE.NearestFilter;
  71. textureSquares.format = THREE.RGBFormat;
  72. var textureNoiseColor = textureLoader.load( "textures/disturb.jpg" );
  73. textureNoiseColor.repeat.set( 1, 1 );
  74. textureNoiseColor.wrapS = textureNoiseColor.wrapT = THREE.RepeatWrapping;
  75. textureNoiseColor.format = THREE.RGBFormat;
  76. var textureLava = textureLoader.load( "textures/lava/lavatile.jpg" );
  77. textureLava.repeat.set( 6, 2 );
  78. textureLava.wrapS = textureLava.wrapT = THREE.RepeatWrapping;
  79. textureLava.format = THREE.RGBFormat;
  80. //
  81. var path = "textures/cube/SwedishRoyalCastle/";
  82. var format = '.jpg';
  83. var urls = [
  84. path + 'px' + format, path + 'nx' + format,
  85. path + 'py' + format, path + 'ny' + format,
  86. path + 'pz' + format, path + 'nz' + format
  87. ];
  88. var reflectionCube = new THREE.CubeTextureLoader().load( urls );
  89. // GROUND
  90. var groundMaterial = new THREE.MeshPhongMaterial( {
  91. shininess: 80,
  92. color: 0xffffff,
  93. specular: 0xffffff,
  94. map: textureSquares
  95. } );
  96. var planeGeometry = new THREE.PlaneBufferGeometry( 100, 100 );
  97. var ground = new THREE.Mesh( planeGeometry, groundMaterial );
  98. ground.position.set( 0, 0, 0 );
  99. ground.rotation.x = - Math.PI / 2;
  100. ground.scale.set( 1000, 1000, 1000 );
  101. ground.receiveShadow = true;
  102. scene.add( ground );
  103. // MATERIALS
  104. var materialLambert = new THREE.MeshPhongMaterial( { shininess: 50, color: 0xffffff, map: textureNoiseColor } );
  105. var materialPhong = new THREE.MeshPhongMaterial( { shininess: 50, color: 0xffffff, specular: 0x999999, map: textureLava } );
  106. var materialPhongCube = new THREE.MeshPhongMaterial( { shininess: 50, color: 0xffffff, specular: 0x999999, envMap: cubeCamera.renderTarget.texture } );
  107. // OBJECTS
  108. var sphereGeometry = new THREE.SphereBufferGeometry( 100, 64, 32 );
  109. var torusGeometry = new THREE.TorusBufferGeometry( 240, 60, 32, 64 );
  110. var cubeGeometry = new THREE.BoxBufferGeometry( 150, 150, 150 );
  111. addObject( torusGeometry, materialPhong, 0, 100, 0, 0 );
  112. addObject( cubeGeometry, materialLambert, 350, 75, 300, 0 );
  113. mesh = addObject( sphereGeometry, materialPhongCube, 350, 100, -350, 0 );
  114. mesh.add( cubeCamera );
  115. function addObjectColor( geometry, color, x, y, z, ry ) {
  116. var material = new THREE.MeshPhongMaterial( { color: 0xffffff } );
  117. return addObject( geometry, material, x, y, z, ry );
  118. }
  119. function addObject( geometry, material, x, y, z, ry ) {
  120. var tmpMesh = new THREE.Mesh( geometry, material );
  121. tmpMesh.material.color.offsetHSL( 0.1, -0.1, 0 );
  122. tmpMesh.position.set( x, y, z );
  123. tmpMesh.rotation.y = ry;
  124. tmpMesh.castShadow = true;
  125. tmpMesh.receiveShadow = true;
  126. scene.add( tmpMesh );
  127. return tmpMesh;
  128. }
  129. var bigCube = new THREE.BoxBufferGeometry( 50, 500, 50 );
  130. var midCube = new THREE.BoxBufferGeometry( 50, 200, 50 );
  131. var smallCube = new THREE.BoxBufferGeometry( 100, 100, 100 );
  132. addObjectColor( bigCube, 0xff0000, -500, 250, 0, 0 );
  133. addObjectColor( smallCube, 0xff0000, -500, 50, -150, 0 );
  134. addObjectColor( midCube, 0x00ff00, 500, 100, 0, 0 );
  135. addObjectColor( smallCube, 0x00ff00, 500, 50, -150, 0 );
  136. addObjectColor( midCube, 0x0000ff, 0, 100, -500, 0 );
  137. addObjectColor( smallCube, 0x0000ff, -150, 50, -500, 0 );
  138. addObjectColor( midCube, 0xff00ff, 0, 100, 500, 0 );
  139. addObjectColor( smallCube, 0xff00ff, -150, 50, 500, 0 );
  140. addObjectColor( new THREE.BoxBufferGeometry( 500, 10, 10 ), 0xffff00, 0, 600, 0, Math.PI/4 );
  141. addObjectColor( new THREE.BoxBufferGeometry( 250, 10, 10 ), 0xffff00, 0, 600, 0, 0 );
  142. addObjectColor( new THREE.SphereBufferGeometry( 100, 32, 26 ), 0xffffff, -300, 100, 300, 0 );
  143. // MORPHS
  144. var loader = new THREE.JSONLoader();
  145. loader.load( "models/animated/sittingBox.js", function( geometry ) {
  146. var morphMaterial = new THREE.MeshPhongMaterial( { color: 0x000000, specular: 0xff9900, shininess: 50, morphTargets: true, side: THREE.DoubleSide, flatShading: true } );
  147. var mesh = new THREE.Mesh( geometry, morphMaterial );
  148. mixer = new THREE.AnimationMixer( mesh );
  149. mixer.clipAction( geometry.animations[0] ).setDuration( 10 ).play();
  150. var s = 200;
  151. mesh.scale.set( s, s, s );
  152. //morph.duration = 8000;
  153. //morph.mirroredLoop = true;
  154. mesh.castShadow = true;
  155. mesh.receiveShadow = true;
  156. scene.add( mesh );
  157. } );
  158. // LIGHTS
  159. ambientLight = new THREE.AmbientLight( 0x3f2806 );
  160. scene.add( ambientLight );
  161. pointLight = new THREE.PointLight( 0xffaa00, 1, 5000 );
  162. scene.add( pointLight );
  163. sunLight = new THREE.SpotLight( 0xffffff, 0.3, 0, Math.PI/2 );
  164. sunLight.position.set( 1000, 2000, 1000 );
  165. sunLight.castShadow = true;
  166. sunLight.shadow = new THREE.LightShadow( new THREE.PerspectiveCamera( shadowConfig.shadowCameraFov, 1, shadowConfig.shadowCameraNear, shadowConfig.shadowCameraFar ) );
  167. sunLight.shadow.bias = shadowConfig.shadowBias;
  168. scene.add( sunLight );
  169. // SHADOW CAMERA HELPER
  170. shadowCameraHelper = new THREE.CameraHelper( sunLight.shadow.camera );
  171. shadowCameraHelper.visible = shadowConfig.shadowCameraVisible;
  172. scene.add( shadowCameraHelper );
  173. // RENDERER
  174. renderer = new THREE.WebGLRenderer( { antialias: true } );
  175. renderer.setPixelRatio( window.devicePixelRatio );
  176. renderer.setSize( window.innerWidth, window.innerHeight );
  177. container.appendChild( renderer.domElement );
  178. //
  179. renderer.shadowMap.enabled = true;
  180. renderer.shadowMap.type = THREE.PCFSoftShadowMap;
  181. //
  182. renderer.gammaInput = true;
  183. renderer.gammaOutput = true;
  184. //
  185. controls = new THREE.TrackballControls( camera, renderer.domElement );
  186. controls.target.set( 0, 120, 0 );
  187. controls.rotateSpeed = 1.0;
  188. controls.zoomSpeed = 1.2;
  189. controls.panSpeed = 0.8;
  190. controls.noZoom = false;
  191. controls.noPan = false;
  192. controls.staticMoving = true;
  193. controls.dynamicDampingFactor = 0.15;
  194. controls.keys = [ 65, 83, 68 ];
  195. // STATS
  196. stats = new Stats();
  197. container.appendChild( stats.dom );
  198. // EVENTS
  199. window.addEventListener( 'resize', onWindowResize, false );
  200. // GUI
  201. gui = new dat.GUI( { width: 400 } );
  202. // SHADOW
  203. var shadowGUI = gui.addFolder( "Shadow" );
  204. shadowGUI.add( shadowConfig, 'shadowCameraVisible' ).onChange( function() {
  205. shadowCameraHelper.visible = shadowConfig.shadowCameraVisible;
  206. });
  207. shadowGUI.add( shadowConfig, 'shadowCameraNear', 1, 1500 ).onChange( function() {
  208. sunLight.shadow.camera.near = shadowConfig.shadowCameraNear;
  209. sunLight.shadow.camera.updateProjectionMatrix();
  210. shadowCameraHelper.update();
  211. });
  212. shadowGUI.add( shadowConfig, 'shadowCameraFar', 1501, 5000 ).onChange( function() {
  213. sunLight.shadow.camera.far = shadowConfig.shadowCameraFar;
  214. sunLight.shadow.camera.updateProjectionMatrix();
  215. shadowCameraHelper.update();
  216. });
  217. shadowGUI.add( shadowConfig, 'shadowCameraFov', 1, 120 ).onChange( function() {
  218. sunLight.shadow.camera.fov = shadowConfig.shadowCameraFov;
  219. sunLight.shadow.camera.updateProjectionMatrix();
  220. shadowCameraHelper.update();
  221. });
  222. shadowGUI.add( shadowConfig, 'shadowBias', -0.01, 0.01 ).onChange( function() {
  223. sunLight.shadow.bias = shadowConfig.shadowBias;
  224. });
  225. shadowGUI.open();
  226. }
  227. //
  228. function onWindowResize( event ) {
  229. camera.aspect = window.innerWidth / window.innerHeight;
  230. camera.updateProjectionMatrix();
  231. renderer.setSize( window.innerWidth, window.innerHeight );
  232. controls.handleResize();
  233. }
  234. //
  235. function animate() {
  236. requestAnimationFrame( animate );
  237. stats.begin();
  238. render();
  239. stats.end();
  240. }
  241. function render() {
  242. // update
  243. var delta = clock.getDelta();
  244. controls.update();
  245. if ( mixer ) {
  246. mixer.update( delta );
  247. }
  248. // render cube map
  249. mesh.visible = false;
  250. cubeCamera.update( renderer, scene );
  251. mesh.visible = true;
  252. // render scene
  253. renderer.render( scene, camera );
  254. }
  255. </script>
  256. </body>
  257. </html>