webgl_postprocessing_outline.html 9.3 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - post processing - Outline Pass</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: #000000;
  10. margin: 0px;
  11. overflow: hidden;
  12. font-family:Monospace;
  13. font-size:13px;
  14. text-align:center;
  15. font-weight: bold;
  16. }
  17. a {
  18. color:#00ff78;
  19. }
  20. #info {
  21. color: #fff;
  22. position: absolute;
  23. top: 10px;
  24. width: 100%;
  25. text-align: center;
  26. display:block;
  27. }
  28. .dg.ac {
  29. z-index: 1 !important; /* FIX DAT.GUI */
  30. }
  31. </style>
  32. </head>
  33. <body>
  34. <script src="../build/three.js"></script>
  35. <script src="js/controls/OrbitControls.js"></script>
  36. <script src="js/loaders/OBJLoader.js"></script>
  37. <script src="js/Detector.js"></script>
  38. <script src="js/shaders/CopyShader.js"></script>
  39. <script src="js/shaders/FXAAShader.js"></script>
  40. <script src="js/postprocessing/EffectComposer.js"></script>
  41. <script src="js/postprocessing/RenderPass.js"></script>
  42. <script src="js/postprocessing/ShaderPass.js"></script>
  43. <script src="js/postprocessing/OutlinePass.js"></script>
  44. <script src="js/libs/stats.min.js"></script>
  45. <script src='js/libs/dat.gui.min.js'></script>
  46. <div id="info">
  47. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - Outline Pass by <a href="http://eduperiment.com" target="_blank" rel="noopener">Prashant Sharma</a> and <a href="https://clara.io" target="_blank" rel="noopener">Ben Houston</a><br/><br/>
  48. </div>
  49. <script>
  50. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  51. var container, stats;
  52. var camera, scene, renderer, controls;
  53. var raycaster = new THREE.Raycaster();
  54. var mouse = new THREE.Vector2();
  55. var selectedObjects = [];
  56. var composer, effectFXAA, outlinePass;
  57. var obj3d = new THREE.Object3D();
  58. var group = new THREE.Group();
  59. var params = {
  60. edgeStrength: 3.0,
  61. edgeGlow: 0.0,
  62. edgeThickness: 1.0,
  63. pulsePeriod: 0,
  64. rotate: false,
  65. usePatternTexture: false
  66. };
  67. // Init gui
  68. var gui = new dat.GUI( { width: 300 } );
  69. gui.add( params, 'edgeStrength', 0.01, 10 ).onChange( function ( value ) {
  70. outlinePass.edgeStrength = Number( value );
  71. } );
  72. gui.add( params, 'edgeGlow', 0.0, 1 ).onChange( function ( value ) {
  73. outlinePass.edgeGlow = Number( value );
  74. } );
  75. gui.add( params, 'edgeThickness', 1, 4 ).onChange( function ( value ) {
  76. outlinePass.edgeThickness = Number( value );
  77. } );
  78. gui.add( params, 'pulsePeriod', 0.0, 5 ).onChange( function ( value ) {
  79. outlinePass.pulsePeriod = Number( value );
  80. } );
  81. gui.add( params, 'rotate' );
  82. gui.add( params, 'usePatternTexture' ).onChange( function ( value ) {
  83. outlinePass.usePatternTexture = value;
  84. } );
  85. var Configuration = function () {
  86. this.visibleEdgeColor = '#ffffff';
  87. this.hiddenEdgeColor = '#190a05';
  88. };
  89. var conf = new Configuration();
  90. var controllerVisible = gui.addColor( conf, 'visibleEdgeColor' ).onChange( function ( value ) {
  91. outlinePass.visibleEdgeColor.set( value );
  92. } );
  93. var controllerHidden = gui.addColor( conf, 'hiddenEdgeColor' ).onChange( function ( value ) {
  94. outlinePass.hiddenEdgeColor.set( value );
  95. } );
  96. init();
  97. animate();
  98. function init() {
  99. container = document.createElement( 'div' );
  100. document.body.appendChild( container );
  101. var width = window.innerWidth;
  102. var height = window.innerHeight;
  103. renderer = new THREE.WebGLRenderer();
  104. renderer.shadowMap.enabled = true;
  105. // todo - support pixelRatio in this demo
  106. renderer.setSize( width, height );
  107. document.body.appendChild( renderer.domElement );
  108. scene = new THREE.Scene();
  109. camera = new THREE.PerspectiveCamera( 45, width / height, 0.1, 100 );
  110. camera.position.set( 0, 0, 8 );
  111. controls = new THREE.OrbitControls( camera, renderer.domElement );
  112. controls.minDistance = 5;
  113. controls.maxDistance = 20;
  114. controls.enablePan = false;
  115. controls.enableDamping = true;
  116. controls.dampingFactor = 0.25;
  117. //
  118. scene.add( new THREE.AmbientLight( 0xaaaaaa, 0.2 ) );
  119. var light = new THREE.DirectionalLight( 0xddffdd, 0.6 );
  120. light.position.set( 1, 1, 1 );
  121. light.castShadow = true;
  122. light.shadow.mapSize.width = 1024;
  123. light.shadow.mapSize.height = 1024;
  124. var d = 10;
  125. light.shadow.camera.left = - d;
  126. light.shadow.camera.right = d;
  127. light.shadow.camera.top = d;
  128. light.shadow.camera.bottom = - d;
  129. light.shadow.camera.far = 1000;
  130. scene.add( light );
  131. // model
  132. var manager = new THREE.LoadingManager();
  133. manager.onProgress = function ( item, loaded, total ) {
  134. console.log( item, loaded, total );
  135. };
  136. var loader = new THREE.OBJLoader( manager );
  137. loader.load( 'models/obj/tree.obj', function ( object ) {
  138. var scale = 1.0;
  139. object.traverse( function ( child ) {
  140. if ( child instanceof THREE.Mesh ) {
  141. child.geometry.center();
  142. child.geometry.computeBoundingSphere();
  143. scale = 0.2 * child.geometry.boundingSphere.radius;
  144. var phongMaterial = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0x111111, shininess: 5 } );
  145. child.material = phongMaterial;
  146. child.receiveShadow = true;
  147. child.castShadow = true;
  148. }
  149. } );
  150. object.position.y = 1;
  151. object.scale.divideScalar( scale );
  152. obj3d.add( object );
  153. } );
  154. scene.add( group );
  155. group.add( obj3d );
  156. //
  157. var geometry = new THREE.SphereBufferGeometry( 3, 48, 24 );
  158. for ( var i = 0; i < 20; i ++ ) {
  159. var material = new THREE.MeshLambertMaterial();
  160. material.color.setHSL( Math.random(), 1.0, 0.3 );
  161. var mesh = new THREE.Mesh( geometry, material );
  162. mesh.position.x = Math.random() * 4 - 2;
  163. mesh.position.y = Math.random() * 4 - 2;
  164. mesh.position.z = Math.random() * 4 - 2;
  165. mesh.receiveShadow = true;
  166. mesh.castShadow = true;
  167. mesh.scale.multiplyScalar( Math.random() * 0.3 + 0.1 );
  168. group.add( mesh );
  169. }
  170. var floorMaterial = new THREE.MeshLambertMaterial( { side: THREE.DoubleSide } );
  171. var floorGeometry = new THREE.PlaneBufferGeometry( 12, 12 );
  172. var floorMesh = new THREE.Mesh( floorGeometry, floorMaterial );
  173. floorMesh.rotation.x -= Math.PI * 0.5;
  174. floorMesh.position.y -= 1.5;
  175. group.add( floorMesh );
  176. floorMesh.receiveShadow = true;
  177. var geometry = new THREE.TorusBufferGeometry( 1, 0.3, 16, 100 );
  178. var material = new THREE.MeshPhongMaterial( { color: 0xffaaff } );
  179. var torus = new THREE.Mesh( geometry, material );
  180. torus.position.z = - 4;
  181. group.add( torus );
  182. torus.receiveShadow = true;
  183. torus.castShadow = true;
  184. //
  185. stats = new Stats();
  186. container.appendChild( stats.dom );
  187. // postprocessing
  188. composer = new THREE.EffectComposer( renderer );
  189. var renderPass = new THREE.RenderPass( scene, camera );
  190. composer.addPass( renderPass );
  191. outlinePass = new THREE.OutlinePass( new THREE.Vector2( window.innerWidth, window.innerHeight ), scene, camera );
  192. composer.addPass( outlinePass );
  193. var onLoad = function ( texture ) {
  194. outlinePass.patternTexture = texture;
  195. texture.wrapS = THREE.RepeatWrapping;
  196. texture.wrapT = THREE.RepeatWrapping;
  197. };
  198. var loader = new THREE.TextureLoader();
  199. loader.load( 'textures/tri_pattern.jpg', onLoad );
  200. effectFXAA = new THREE.ShaderPass( THREE.FXAAShader );
  201. effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
  202. effectFXAA.renderToScreen = true;
  203. composer.addPass( effectFXAA );
  204. window.addEventListener( 'resize', onWindowResize, false );
  205. window.addEventListener( 'mousemove', onTouchMove );
  206. window.addEventListener( 'touchmove', onTouchMove );
  207. function onTouchMove( event ) {
  208. var x, y;
  209. if ( event.changedTouches ) {
  210. x = event.changedTouches[ 0 ].pageX;
  211. y = event.changedTouches[ 0 ].pageY;
  212. } else {
  213. x = event.clientX;
  214. y = event.clientY;
  215. }
  216. mouse.x = ( x / window.innerWidth ) * 2 - 1;
  217. mouse.y = - ( y / window.innerHeight ) * 2 + 1;
  218. checkIntersection();
  219. }
  220. function addSelectedObject( object ) {
  221. selectedObjects = [];
  222. selectedObjects.push( object );
  223. }
  224. function checkIntersection() {
  225. raycaster.setFromCamera( mouse, camera );
  226. var intersects = raycaster.intersectObjects( [ scene ], true );
  227. if ( intersects.length > 0 ) {
  228. var selectedObject = intersects[ 0 ].object;
  229. addSelectedObject( selectedObject );
  230. outlinePass.selectedObjects = selectedObjects;
  231. } else {
  232. // outlinePass.selectedObjects = [];
  233. }
  234. }
  235. }
  236. function onWindowResize() {
  237. var width = window.innerWidth;
  238. var height = window.innerHeight;
  239. camera.aspect = width / height;
  240. camera.updateProjectionMatrix();
  241. renderer.setSize( width, height );
  242. composer.setSize( width, height );
  243. effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
  244. }
  245. function animate() {
  246. requestAnimationFrame( animate );
  247. stats.begin();
  248. var timer = performance.now();
  249. if ( params.rotate ) {
  250. group.rotation.y = timer * 0.0001;
  251. }
  252. controls.update();
  253. composer.render();
  254. stats.end();
  255. }
  256. </script>
  257. </body>
  258. </html>