javascript
/
three.js
espejo de https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - post processing - Outline Pass</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>
	<body>
		<div id="info">
			<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/>
		</div>

		<script type="module">
			import {
				AmbientLight,
				DirectionalLight,
				DoubleSide,
				Group,
				LoadingManager,
				Mesh,
				MeshLambertMaterial,
				MeshPhongMaterial,
				Object3D,
				PerspectiveCamera,
				PlaneBufferGeometry,
				Raycaster,
				RepeatWrapping,
				Scene,
				SphereBufferGeometry,
				TextureLoader,
				TorusBufferGeometry,
				Vector2,
				WebGLRenderer
			} from "../build/three.module.js";

			import Stats from './jsm/libs/stats.module.js';
			import { GUI } from './jsm/libs/dat.gui.module.js';

			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { OBJLoader } from './jsm/loaders/OBJLoader.js';
			import { EffectComposer } from './jsm/postprocessing/EffectComposer.js';
			import { RenderPass } from './jsm/postprocessing/RenderPass.js';
			import { ShaderPass } from './jsm/postprocessing/ShaderPass.js';
			import { OutlinePass } from './jsm/postprocessing/OutlinePass.js';
			import { FXAAShader } from './jsm/shaders/FXAAShader.js';

			var container, stats;
			var camera, scene, renderer, controls;
			var raycaster = new Raycaster();

			var mouse = new Vector2();
			var selectedObjects = [];

			var composer, effectFXAA, outlinePass;
			var obj3d = new Object3D();

			var group = new Group();

			var params = {
				edgeStrength: 3.0,
				edgeGlow: 0.0,
				edgeThickness: 1.0,
				pulsePeriod: 0,
				rotate: false,
				usePatternTexture: false
			};

			// Init gui

			var gui = new GUI( { width: 300 } );

			gui.add( params, 'edgeStrength', 0.01, 10 ).onChange( function ( value ) {

				outlinePass.edgeStrength = Number( value );

			} );

			gui.add( params, 'edgeGlow', 0.0, 1 ).onChange( function ( value ) {

				outlinePass.edgeGlow = Number( value );

			} );

			gui.add( params, 'edgeThickness', 1, 4 ).onChange( function ( value ) {

				outlinePass.edgeThickness = Number( value );

			} );

			gui.add( params, 'pulsePeriod', 0.0, 5 ).onChange( function ( value ) {

				outlinePass.pulsePeriod = Number( value );

			} );

			gui.add( params, 'rotate' );

			gui.add( params, 'usePatternTexture' ).onChange( function ( value ) {

				outlinePass.usePatternTexture = value;

			} );

			var Configuration = function () {

				this.visibleEdgeColor = '#ffffff';
				this.hiddenEdgeColor = '#190a05';

			};

			var conf = new Configuration();

			gui.addColor( conf, 'visibleEdgeColor' ).onChange( function ( value ) {

				outlinePass.visibleEdgeColor.set( value );

			} );

			gui.addColor( conf, 'hiddenEdgeColor' ).onChange( function ( value ) {

				outlinePass.hiddenEdgeColor.set( value );

			} );

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				var width = window.innerWidth;
				var height = window.innerHeight;

				renderer = new WebGLRenderer();
				renderer.shadowMap.enabled = true;
				// todo - support pixelRatio in this demo
				renderer.setSize( width, height );
				document.body.appendChild( renderer.domElement );

				scene = new Scene();

				camera = new PerspectiveCamera( 45, width / height, 0.1, 100 );
				camera.position.set( 0, 0, 8 );

				controls = new OrbitControls( camera, renderer.domElement );
				controls.minDistance = 5;
				controls.maxDistance = 20;
				controls.enablePan = false;
				controls.enableDamping = true;
				controls.dampingFactor = 0.25;

				//

				scene.add( new AmbientLight( 0xaaaaaa, 0.2 ) );

				var light = new DirectionalLight( 0xddffdd, 0.6 );
				light.position.set( 1, 1, 1 );

				light.castShadow = true;

				light.shadow.mapSize.width = 1024;
				light.shadow.mapSize.height = 1024;

				var d = 10;

				light.shadow.camera.left = - d;
				light.shadow.camera.right = d;
				light.shadow.camera.top = d;
				light.shadow.camera.bottom = - d;

				light.shadow.camera.far = 1000;

				scene.add( light );

				// model

				var manager = new LoadingManager();

				manager.onProgress = function ( item, loaded, total ) {

					console.log( item, loaded, total );

				};

				var loader = new OBJLoader( manager );
				loader.load( 'models/obj/tree.obj', function ( object ) {

					var scale = 1.0;

					object.traverse( function ( child ) {

						if ( child instanceof Mesh ) {

							child.geometry.center();
							child.geometry.computeBoundingSphere();
							scale = 0.2 * child.geometry.boundingSphere.radius;

							var phongMaterial = new MeshPhongMaterial( { color: 0xffffff, specular: 0x111111, shininess: 5 } );
							child.material = phongMaterial;
							child.receiveShadow = true;
							child.castShadow = true;

						}

					} );

					object.position.y = 1;
					object.scale.divideScalar( scale );
					obj3d.add( object );

				} );

				scene.add( group );

				group.add( obj3d );

				//

				var geometry = new SphereBufferGeometry( 3, 48, 24 );

				for ( var i = 0; i < 20; i ++ ) {

					var material = new MeshLambertMaterial();
					material.color.setHSL( Math.random(), 1.0, 0.3 );

					var mesh = new Mesh( geometry, material );
					mesh.position.x = Math.random() * 4 - 2;
					mesh.position.y = Math.random() * 4 - 2;
					mesh.position.z = Math.random() * 4 - 2;
					mesh.receiveShadow = true;
					mesh.castShadow = true;
					mesh.scale.multiplyScalar( Math.random() * 0.3 + 0.1 );
					group.add( mesh );

				}

				var floorMaterial = new MeshLambertMaterial( { side: DoubleSide } );

				var floorGeometry = new PlaneBufferGeometry( 12, 12 );
				var floorMesh = new Mesh( floorGeometry, floorMaterial );
				floorMesh.rotation.x -= Math.PI * 0.5;
				floorMesh.position.y -= 1.5;
				group.add( floorMesh );
				floorMesh.receiveShadow = true;

				var geometry = new TorusBufferGeometry( 1, 0.3, 16, 100 );
				var material = new MeshPhongMaterial( { color: 0xffaaff } );
				var torus = new Mesh( geometry, material );
				torus.position.z = - 4;
				group.add( torus );
				torus.receiveShadow = true;
				torus.castShadow = true;

				//

				stats = new Stats();
				container.appendChild( stats.dom );

				// postprocessing

				composer = new EffectComposer( renderer );

				var renderPass = new RenderPass( scene, camera );
				composer.addPass( renderPass );

				outlinePass = new OutlinePass( new Vector2( window.innerWidth, window.innerHeight ), scene, camera );
				composer.addPass( outlinePass );

				var onLoad = function ( texture ) {

					outlinePass.patternTexture = texture;
					texture.wrapS = RepeatWrapping;
					texture.wrapT = RepeatWrapping;

				};

				var loader = new TextureLoader();

				loader.load( 'textures/tri_pattern.jpg', onLoad );

				effectFXAA = new ShaderPass( FXAAShader );
				effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
				composer.addPass( effectFXAA );

				window.addEventListener( 'resize', onWindowResize, false );

				window.addEventListener( 'mousemove', onTouchMove );
				window.addEventListener( 'touchmove', onTouchMove );

				function onTouchMove( event ) {

					var x, y;

					if ( event.changedTouches ) {

						x = event.changedTouches[ 0 ].pageX;
						y = event.changedTouches[ 0 ].pageY;

					} else {

						x = event.clientX;
						y = event.clientY;

					}

					mouse.x = ( x / window.innerWidth ) * 2 - 1;
					mouse.y = - ( y / window.innerHeight ) * 2 + 1;

					checkIntersection();

				}

				function addSelectedObject( object ) {

					selectedObjects = [];
					selectedObjects.push( object );

				}

				function checkIntersection() {

					raycaster.setFromCamera( mouse, camera );

					var intersects = raycaster.intersectObjects( [ scene ], true );

					if ( intersects.length > 0 ) {

						var selectedObject = intersects[ 0 ].object;
						addSelectedObject( selectedObject );
						outlinePass.selectedObjects = selectedObjects;

					} else {

						// outlinePass.selectedObjects = [];

					}

				}

			}

			function onWindowResize() {

				var width = window.innerWidth;
				var height = window.innerHeight;

				camera.aspect = width / height;
				camera.updateProjectionMatrix();

				renderer.setSize( width, height );
				composer.setSize( width, height );

				effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );

			}

			function animate() {

				requestAnimationFrame( animate );

				stats.begin();

				var timer = performance.now();

				if ( params.rotate ) {

					group.rotation.y = timer * 0.0001;

				}

				controls.update();

				composer.render();

				stats.end();

			}

		</script>
	</body>
</html>