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253 lines
6.3 KiB
253 lines
6.3 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - lights - point lights</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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background-color: #000;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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position: absolute;
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top: 0px; width: 100%;
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color: #ffffff;
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padding: 5px;
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font-family: Monospace;
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font-size: 13px;
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text-align: center;
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}
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a {
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color: #ff0080;
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text-decoration: none;
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}
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a:hover {
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color: #0080ff;
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}
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</style>
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</head>
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<body>
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<div id="container"></div>
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<div id="info">
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<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - point lights WebGL demo
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</div>
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<script src="../build/three.js"></script>
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<script src="js/controls/TrackballControls.js"></script>
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<script src="js/WebGL.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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if ( WEBGL.isWebGLAvailable() === false ) {
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document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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}
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var camera, scene, renderer, controls;
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var light1, light2, light3, light4, light5, light6;
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var clock = new THREE.Clock();
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var stats;
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init();
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animate();
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function init() {
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var container = document.getElementById( 'container' );
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// CAMERA
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 300 );
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camera.position.set( 0, 15, 150 );
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camera.lookAt( 0, 0, 0 );
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// SCENE
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x040306 );
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scene.fog = new THREE.Fog( 0x040306, 10, 300 );
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// CONTROLS
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controls = new THREE.TrackballControls( camera );
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controls.rotateSpeed = 1.0;
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controls.zoomSpeed = 1.2;
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controls.panSpeed = 0.8;
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controls.noZoom = false;
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controls.noPan = false;
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controls.staticMoving = false;
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controls.dynamicDampingFactor = 0.15;
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controls.keys = [ 65, 83, 68 ];
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// TEXTURES
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var textureLoader = new THREE.TextureLoader();
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var texture = textureLoader.load( "textures/disturb.jpg" );
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texture.repeat.set( 20, 10 );
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texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
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texture.format = THREE.RGBFormat;
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// MATERIALS
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var groundMaterial = new THREE.MeshPhongMaterial( { color: 0xffffff, map: texture } );
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var objectMaterial = new THREE.MeshStandardMaterial( { color: 0xffffff, roughness: 0.5, metalness: 1.0 } );
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// GROUND
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var mesh = new THREE.Mesh( new THREE.PlaneBufferGeometry( 800, 400, 2, 2 ), groundMaterial );
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mesh.position.y = - 5;
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mesh.rotation.x = - Math.PI / 2;
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scene.add( mesh );
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// OBJECTS
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var objectGeometry = new THREE.TorusBufferGeometry( 1.5, 0.4, 8, 16 );
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for ( var i = 0; i < 5000; i ++ ) {
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var mesh = new THREE.Mesh( objectGeometry, objectMaterial );
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mesh.position.x = 400 * ( 0.5 - Math.random() );
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mesh.position.y = 50 * ( 0.5 - Math.random() ) + 25;
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mesh.position.z = 200 * ( 0.5 - Math.random() );
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mesh.rotation.y = 3.14 * ( 0.5 - Math.random() );
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mesh.rotation.x = 3.14 * ( 0.5 - Math.random() );
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mesh.matrixAutoUpdate = false;
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mesh.updateMatrix();
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scene.add( mesh );
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}
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// LIGHTS
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var intensity = 2.5;
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var distance = 100;
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var decay = 2.0;
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var c1 = 0xff0040, c2 = 0x0040ff, c3 = 0x80ff80, c4 = 0xffaa00, c5 = 0x00ffaa, c6 = 0xff1100;
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var sphere = new THREE.SphereBufferGeometry( 0.25, 16, 8 );
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light1 = new THREE.PointLight( c1, intensity, distance, decay );
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light1.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c1 } ) ) );
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scene.add( light1 );
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light2 = new THREE.PointLight( c2, intensity, distance, decay );
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light2.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c2 } ) ) );
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scene.add( light2 );
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light3 = new THREE.PointLight( c3, intensity, distance, decay );
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light3.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c3 } ) ) );
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scene.add( light3 );
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light4 = new THREE.PointLight( c4, intensity, distance, decay );
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light4.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c4 } ) ) );
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scene.add( light4 );
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light5 = new THREE.PointLight( c5, intensity, distance, decay );
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light5.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c5 } ) ) );
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scene.add( light5 );
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light6 = new THREE.PointLight( c6, intensity, distance, decay );
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light6.add( new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: c6 } ) ) );
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scene.add( light6 );
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var dlight = new THREE.DirectionalLight( 0xffffff, 0.05 );
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dlight.position.set( 0.5, 1, 0 ).normalize();
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scene.add( dlight );
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// RENDERER
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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renderer.gammaInput = true;
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renderer.gammaOutput = true;
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// STATS
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stats = new Stats();
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container.appendChild( stats.dom );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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controls.handleResize();
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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var time = Date.now() * 0.00025;
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var d = 150;
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light1.position.x = Math.sin( time * 0.7 ) * d;
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light1.position.z = Math.cos( time * 0.3 ) * d;
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light2.position.x = Math.cos( time * 0.3 ) * d;
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light2.position.z = Math.sin( time * 0.7 ) * d;
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light3.position.x = Math.sin( time * 0.7 ) * d;
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light3.position.z = Math.sin( time * 0.5 ) * d;
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light4.position.x = Math.sin( time * 0.3 ) * d;
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light4.position.z = Math.sin( time * 0.5 ) * d;
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light5.position.x = Math.cos( time * 0.3 ) * d;
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light5.position.z = Math.sin( time * 0.5 ) * d;
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light6.position.x = Math.cos( time * 0.7 ) * d;
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light6.position.z = Math.cos( time * 0.5 ) * d;
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controls.update( clock.getDelta() );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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