javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - PointLight ShadowMap </title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				font-family: Monospace;
				background-color: #000;
				color: #fff;
				margin: 0px;
				overflow: hidden;
			}
			#info {
				position: absolute;
				top: 10px;
				width: 100%;
				text-align: center;
				z-index: 100;
				display:block;
			}
			#info a { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
		</style>
	</head>
	<body>
		<div id="info">
		<a href="http://threejs.org" target="_blank">three.js</a> - PointLight ShadowMap by <a href="https://github.com/mkkellogg">mkkellogg</a>
		</div>

		<script src="../build/three.min.js"></script>
		<script src="js/controls/OrbitControls.js"></script>
		<script src="js/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>
		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var camera, scene, renderer, stats;
			var pointLight, pointLight2;
			var torusKnot;
			var torusKnotMaterial;
			var wallMaterial;
			var ground;

			init();
			animate();

			function init() {

				initScene();
				initMisc();

				document.body.appendChild( renderer.domElement );
				window.addEventListener( 'resize', onWindowResize, false );

			}

			function initScene() {

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.set( 0, 10, 60 );

				scene = new THREE.Scene();
				scene.add( new THREE.AmbientLight( 0x222233 ) );

				// Lights

				function createLight( color ) {

					var pointLight = new THREE.PointLight( color, 1, 30 );
					pointLight.castShadow = true;
					pointLight.shadow.camera.near = 1;
					pointLight.shadow.camera.far = 30;
					// pointLight.shadowCameraVisible = true;
					pointLight.shadow.bias = 0.01;

					var geometry = new THREE.SphereGeometry( 0.3, 12, 6 );
					var material = new THREE.MeshBasicMaterial( { color: color } );
					var sphere = new THREE.Mesh( geometry, material );
					pointLight.add( sphere );

					return pointLight

				}

				pointLight = createLight( 0xaaffaa );
				scene.add( pointLight );

				pointLight2 = createLight( 0xaaaaff );
				scene.add( pointLight2 );

				torusKnotMaterial = new THREE.MeshPhongMaterial( {
					color: 0xff0000,
					shininess: 100,
					//wireframe: true,
					//wireframeLinewidth: 2,
					specular: 0x222222
				} );

				var torusKnotGeometry = new THREE.TorusKnotGeometry( 8, 1, 150, 20 );
				torusKnot = new THREE.Mesh( torusKnotGeometry, torusKnotMaterial );
				torusKnot.position.set( 0, 9, 0 );
				torusKnot.castShadow = true;
				torusKnot.receiveShadow = true;
				scene.add( torusKnot );

				wallMaterial = new THREE.MeshPhongMaterial( {
					color: 0xffffff,
					shininess: 10,
					specular: 0x111111,
					shading: THREE.SmoothShading
				} );

				var wallGeometry = new THREE.BoxGeometry( 10, 0.15, 10 );
				ground = new THREE.Mesh( wallGeometry, wallMaterial );
				ground.position.set( 0, - 5, 0 );
				ground.scale.multiplyScalar( 3 );
				ground.receiveShadow = true;
				scene.add( ground );

				var ceiling = new THREE.Mesh( wallGeometry, wallMaterial );
				ceiling.position.set( 0, 24, 0 );
				ceiling.scale.multiplyScalar( 3 );
				ceiling.receiveShadow = true;
				scene.add( ceiling );

				var wall = new THREE.Mesh( wallGeometry, wallMaterial );
				wall.position.set( - 14, 10, 0 );
				wall.rotation.z = Math.PI / 2;
				wall.scale.multiplyScalar( 3 );
				wall.receiveShadow = true;
				scene.add( wall );

				wall = new THREE.Mesh( wallGeometry, wallMaterial );
				wall.position.set( 14, 10, 0 );
				wall.rotation.z = Math.PI / 2;
				wall.scale.multiplyScalar( 3 );
				wall.receiveShadow = true;
				scene.add( wall );

				wall = new THREE.Mesh( wallGeometry, wallMaterial );
				wall.position.set( 0, 10, - 14 );
				wall.rotation.y = Math.PI / 2;
				wall.rotation.z = Math.PI / 2;
				wall.scale.multiplyScalar( 3 );
				wall.receiveShadow = true;
				scene.add( wall );

			}

			function initMisc() {

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setClearColor( 0x000000 );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.shadowMap.enabled = true;
				renderer.shadowMap.type = THREE.BasicShadowMap;

				// Mouse control
				controls = new THREE.OrbitControls( camera, renderer.domElement );
				controls.minDistance = 12;
				controls.maxDistance = 60;
				controls.enablePan = false;
				controls.target.set( 0, 10, 0 );
				controls.update();

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.right = '0px';
				stats.domElement.style.top = '0px';
				document.body.appendChild( stats.domElement );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				requestAnimationFrame( animate );
				render();
				stats.update();

			}

			function renderScene() {

				renderer.render( scene, camera );

			}

			function render() {

				var time = performance.now() * 0.001;

				pointLight.position.x = Math.sin( time ) * 9;
				pointLight.position.y = Math.sin( time * 1.1 ) * 9 + 5;
				pointLight.position.z = Math.sin( time * 1.2 ) * 9;

				time += 10000;

				pointLight2.position.x = Math.sin( time ) * 9;
				pointLight2.position.y = Math.sin( time * 1.1 ) * 9 + 5;
				pointLight2.position.z = Math.sin( time * 1.2 ) * 9;

				renderScene();

				torusKnot.rotation.y = time * 0.1;

			}

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