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+<!DOCTYPE html>
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+<html>
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+ <title>three.js webgl - fly camera - earth</title>
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+ <style type="text/css">
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+ body {
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+ background:#000;
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+ color: #eee;
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+ padding:0;
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+ margin:0;
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+ font-weight:bold;
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+ overflow:hidden;
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+
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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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+
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+ #info {
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+ position: absolute;
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+ top: 0px; width: 100%;
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+ padding: 5px;
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+ z-index:100;
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+ }
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+
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+ a {
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+
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+ color: #0080ff;
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+ }
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+
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+ b { color:orange }
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+
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+ </style>
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+
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+ <script type="text/javascript" src="../build/Three.js"></script>
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+
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+ <script type="text/javascript" src="js/Detector.js"></script>
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+ <script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
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+ <script type="text/javascript" src="js/Stats.js"></script>
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+
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+</head>
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+
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+<body>
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+
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+<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - earth [fly camera]<br/><br/>
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+<b>WASD</b> move, <b>R|F</b> up | down, <b>Q|E</b> roll, <b>up|down</b> pitch, <b>left|right</b> yaw<br/>
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+</div>
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+
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+<script type="text/javascript">
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+
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+ if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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+
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+ var radius = 6371;
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+ var tilt = 0.41;
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+ var rotationSpeed = 0.02;
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+
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+ var cloudsScale = 1.005;
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+ var moonScale = 0.23;
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+
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+ var MARGIN = 0;
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+ var SCREEN_HEIGHT = window.innerHeight - MARGIN * 2;
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+ var SCREEN_WIDTH = window.innerWidth;
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+
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+ var ENABLE_LENSFLARES = false;
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+
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+ var lensFlare, lensFlareRotate;
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+
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+ var container, stats;
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+ var camera, scene, sceneCube, renderer;
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+ var geometry, meshPlanet, meshClouds, meshMoon;
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+ var dirLight, pointLight, ambientLight;
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+ var lastUpdate = new Date().getTime();
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+
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+ var t, d, dPlanet, dMoon, dMoonVec = new THREE.Vector3();
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+
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+ var postprocessing = { enabled : true, bloom: false };
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+
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+ init();
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+ animate();
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+
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+ function init() {
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+
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+ container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ camera = new THREE.FlyCamera({
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+
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+ fov: 25,
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+ aspect: SCREEN_WIDTH / SCREEN_HEIGHT,
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+ movementSpeed: 1000,
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+ domElement: container,
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+ rollSpeed: Math.PI / 24,
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+ dragToLook: false,
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+ near: 50,
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+ far: 1e7
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+
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+ });
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+
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+ camera.position.z = radius * 5;
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+
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+ scene = new THREE.Scene();
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+ scene.fog = new THREE.FogExp2( 0x000000, 0.00000025 );
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+
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+ dirLight = new THREE.DirectionalLight( 0xffffff );
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+ dirLight.position.set( -1, 0, 1 );
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+ dirLight.position.normalize();
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+ scene.addLight( dirLight );
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+
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+ pointLight = new THREE.PointLight( 0x000000 );
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+ pointLight.position.set( -5000, 0, 5000 );
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+ //scene.addLight( pointLight );
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+
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+ ambientLight = new THREE.AmbientLight( 0x000000 );
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+ scene.addLight( ambientLight );
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+
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+ var planetTexture = THREE.ImageUtils.loadTexture( "textures/planets/earth_atmos_2048.jpg" );
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+ var cloudsTexture = THREE.ImageUtils.loadTexture( "textures/planets/earth_clouds_1024.png" );
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+ var normalTexture = THREE.ImageUtils.loadTexture( "textures/planets/earth_normal_2048.jpg" );
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+ var specularTexture = THREE.ImageUtils.loadTexture( "textures/planets/earth_specular_2048.jpg" );
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+
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+ var moonTexture = THREE.ImageUtils.loadTexture( "textures/planets/moon_1024.jpg" );
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+
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+ var shader = THREE.ShaderUtils.lib[ "normal" ];
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+ var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
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+
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+ uniforms[ "tNormal" ].texture = normalTexture;
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+ uniforms[ "uNormalScale" ].value = 0.85;
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+
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+ uniforms[ "tDiffuse" ].texture = planetTexture;
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+ uniforms[ "tSpecular" ].texture = specularTexture;
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+
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+ uniforms[ "enableAO" ].value = false;
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+ uniforms[ "enableDiffuse" ].value = true;
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+ uniforms[ "enableSpecular" ].value = true;
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+
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+ uniforms[ "uDirLightPos" ].value = dirLight.position;
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+ uniforms[ "uDirLightColor" ].value = dirLight.color;
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+
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+ uniforms[ "uPointLightPos" ].value = pointLight.position;
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+ uniforms[ "uPointLightColor" ].value = pointLight.color;
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+
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+ uniforms[ "uAmbientLightColor" ].value = ambientLight.color;
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+
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+ uniforms[ "uDiffuseColor" ].value.setHex( 0xffffff );
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+ uniforms[ "uSpecularColor" ].value.setHex( 0xaaaaaa );
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+ uniforms[ "uAmbientColor" ].value.setHex( 0x000000 );
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+
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+ uniforms[ "uShininess" ].value = 30;
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+
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+ var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms };
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+ var materialNormalMap = new THREE.MeshShaderMaterial( parameters );
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+
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+ // planet
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+
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+ geometry = new THREE.Sphere( radius, 100, 50 );
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+ geometry.computeTangents();
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+
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+ meshPlanet = new THREE.Mesh( geometry, materialNormalMap );
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+ meshPlanet.rotation.y = 1.3;
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+ meshPlanet.rotation.z = tilt;
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+ scene.addObject( meshPlanet );
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+
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+ // clouds
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+
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+ var materialClouds = new THREE.MeshLambertMaterial( { color: 0xffffff, map: cloudsTexture, transparent:true } );
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+
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+ meshClouds = new THREE.Mesh( geometry, materialClouds );
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+ meshClouds.scale.set( cloudsScale, cloudsScale, cloudsScale );
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+ meshClouds.rotation.z = tilt;
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+ scene.addObject( meshClouds );
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+
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+ // moon
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+
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+ var materialMoon = new THREE.MeshPhongMaterial( { color: 0xffffff, map: moonTexture } );
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+
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+ meshMoon = new THREE.Mesh( geometry, materialMoon );
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+ meshMoon.position.set( radius * 5, 0, 0 );
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+ meshMoon.scale.set( moonScale, moonScale, moonScale );
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+ scene.addObject( meshMoon );
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+
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+ // stars
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+
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+ var i, r = radius,
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+ starsGeometry = [ new THREE.Geometry(), new THREE.Geometry() ];
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+
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+ for ( i = 0; i < 250; ++i ) {
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+
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+ vector1 = new THREE.Vector3( Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1 );
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+ vector1.multiplyScalar( r );
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+
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+ starsGeometry[ 0 ].vertices.push( new THREE.Vertex( vector1 ) );
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+
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+ }
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+
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+ for ( i = 0; i < 1500; ++i ) {
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+
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+ vector1 = new THREE.Vector3( Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1 );
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+ vector1.multiplyScalar( r );
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+
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+ starsGeometry[ 1 ].vertices.push( new THREE.Vertex( vector1 ) );
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+
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+ }
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+
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+ var stars;
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+ var starsMaterials = [ new THREE.ParticleBasicMaterial( { color: 0x555555, size: 2, sizeAttenuation: false } ),
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+ new THREE.ParticleBasicMaterial( { color: 0x555555, size: 1, sizeAttenuation: false } ),
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+ new THREE.ParticleBasicMaterial( { color: 0x333333, size: 2, sizeAttenuation: false } ),
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+ new THREE.ParticleBasicMaterial( { color: 0x3a3a3a, size: 1, sizeAttenuation: false } ),
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+ new THREE.ParticleBasicMaterial( { color: 0x1a1a1a, size: 2, sizeAttenuation: false } ),
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+ new THREE.ParticleBasicMaterial( { color: 0x1a1a1a, size: 1, sizeAttenuation: false } )
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+ ];
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+
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+ for ( i = 10; i < 30; i ++) {
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+
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+ stars = new THREE.ParticleSystem( starsGeometry[ i % 2 ], starsMaterials[ i % 6 ] );
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+ stars.rotation.x = Math.random() * 6;
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+ stars.rotation.y = Math.random() * 6;
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+ stars.rotation.z = Math.random() * 6;
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+
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+ s = i * 10;
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+ stars.scale.set( s, s, s );
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+
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+ stars.matrixAutoUpdate = false;
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+ stars.updateMatrix();
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+
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+ scene.addObject( stars );
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+
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+ }
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+
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+ if ( ENABLE_LENSFLARES ) {
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+
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+ lensFlare = new THREE.LensFlare( THREE.ImageUtils.loadTexture( "textures/lensflare/lensflare0.png" ), 700, 0.0, THREE.AdditiveBlending );
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+
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+ lensFlare.add( THREE.ImageUtils.loadTexture( "textures/lensflare/lensflare2.png" ), 512, 0.0, THREE.AdditiveBlending );
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+ lensFlare.add( lensFlare.lensFlares[ 1 ].texture, 512, 0.0, THREE.AdditiveBlending );
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+ lensFlare.add( lensFlare.lensFlares[ 1 ].texture, 512, 0.0, THREE.AdditiveBlending );
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+
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+ lensFlare.add( THREE.ImageUtils.loadTexture( "textures/lensflare/lensflare3.png" ), 60, 0.6, THREE.AdditiveBlending );
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+ lensFlare.add( lensFlare.lensFlares[ 4 ].texture, 70, 0.7, THREE.AdditiveBlending );
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+ lensFlare.add( lensFlare.lensFlares[ 4 ].texture, 120, 0.9, THREE.AdditiveBlending );
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+ lensFlare.add( lensFlare.lensFlares[ 4 ].texture, 70, 1.0, THREE.AdditiveBlending );
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+
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+ lensFlare.customUpdateCallback = lensFlareUpdateCallback;
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+ lensFlare.position.set( 0, 0, -99000 );
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+
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+
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+ lensFlareRotate = new THREE.Object3D();
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+ lensFlareRotate.addChild( lensFlare );
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+
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+ scene.addChild( lensFlareRotate );
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+
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+ lensFlareRotate.rotation.x = Math.PI;
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+ lensFlareRotate.rotation.y = Math.PI / 2;
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+
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+ }
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+
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+ renderer = new THREE.WebGLRenderer( { clearAlpha: 1, clearColor: 0x000000 } );
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+ renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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+ renderer.sortObjects = false;
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+
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+ initPostprocessing();
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+ renderer.autoClear = false;
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+
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+ container.appendChild( renderer.domElement );
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+
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+ stats = new Stats();
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+ stats.domElement.style.position = 'absolute';
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+ stats.domElement.style.top = '0px';
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+ stats.domElement.style.zIndex = 100;
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+ container.appendChild( stats.domElement );
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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+
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+ };
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+
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+ function onWindowResize( event ) {
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+
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+ SCREEN_HEIGHT = window.innerHeight;
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+ SCREEN_WIDTH = window.innerWidth;
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+
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+ renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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+
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+ camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
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+ camera.updateProjectionMatrix();
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+
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+ initPostprocessing();
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+
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+ }
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+
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+ function initPostprocessing() {
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+
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+ postprocessing.scene = new THREE.Scene();
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+
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+ postprocessing.camera = new THREE.Camera();
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+ postprocessing.camera.projectionMatrix = THREE.Matrix4.makeOrtho( SCREEN_WIDTH / - 2, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2, SCREEN_HEIGHT / - 2, -10000, 10000 );
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+ postprocessing.camera.position.z = 100;
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+
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+ var pars = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBAFormat };
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+ postprocessing.rtTexture1 = new THREE.WebGLRenderTarget( SCREEN_WIDTH, SCREEN_HEIGHT, pars );
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+ postprocessing.rtTexture2 = new THREE.WebGLRenderTarget( 512, 512, pars );
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+ postprocessing.rtTexture3 = new THREE.WebGLRenderTarget( 512, 512, pars );
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+
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+ var screen_shader = THREE.ShaderUtils.lib["screen"];
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+ var screen_uniforms = THREE.UniformsUtils.clone( screen_shader.uniforms );
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+
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+ screen_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
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+ screen_uniforms["opacity"].value = 1.0;
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+
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+ postprocessing.materialScreen = new THREE.MeshShaderMaterial( {
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+
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+ uniforms: screen_uniforms,
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+ vertexShader: screen_shader.vertexShader,
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+ fragmentShader: screen_shader.fragmentShader,
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+ blending: THREE.AdditiveBlending,
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+ transparent: true
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+
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+ } );
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+
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+ var convolution_shader = THREE.ShaderUtils.lib["convolution"];
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+ var convolution_uniforms = THREE.UniformsUtils.clone( convolution_shader.uniforms );
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+
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+ postprocessing.blurx = new THREE.Vector2( 0.001953125, 0.0 ),
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+ postprocessing.blury = new THREE.Vector2( 0.0, 0.001953125 );
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+
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+ convolution_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
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+ convolution_uniforms["uImageIncrement"].value = postprocessing.blurx;
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+ convolution_uniforms["cKernel"].value = THREE.ShaderUtils.buildKernel( 4.0 );
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+
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+ postprocessing.materialConvolution = new THREE.MeshShaderMaterial( {
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+
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+ uniforms: convolution_uniforms,
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+ vertexShader: "#define KERNEL_SIZE 25.0\n" + convolution_shader.vertexShader,
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+ fragmentShader: "#define KERNEL_SIZE 25\n" + convolution_shader.fragmentShader
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+
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+ } );
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+
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+ var film_shader = THREE.ShaderUtils.lib["film"];
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+ var film_uniforms = THREE.UniformsUtils.clone( film_shader.uniforms );
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+
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+ film_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
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+
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+ postprocessing.materialFilm = new THREE.MeshShaderMaterial( { uniforms: film_uniforms, vertexShader: film_shader.vertexShader, fragmentShader: film_shader.fragmentShader } );
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+ postprocessing.materialFilm.uniforms.grayscale.value = 0;
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+ postprocessing.materialFilm.uniforms.nIntensity.value = 0.35;
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+ postprocessing.materialFilm.uniforms.sIntensity.value = 0.75;
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+ postprocessing.materialFilm.uniforms.sCount.value = 2048;
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+
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+ postprocessing.quad = new THREE.Mesh( new THREE.Plane( SCREEN_WIDTH, SCREEN_HEIGHT ), postprocessing.materialConvolution );
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+ postprocessing.quad.position.z = - 500;
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+ postprocessing.scene.addObject( postprocessing.quad );
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+
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+ };
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+
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+ function cap_bottom( val, bottom ) {
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+
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+ return val < bottom ? bottom : val;
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+
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+ };
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+
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+ function lensFlareUpdateCallback( object ) {
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+
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+ var f, fl = object.lensFlares.length;
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+ var flare;
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+ var vecX = -object.positionScreen.x * 2;
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+ var vecY = -object.positionScreen.y * 2;
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+
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+
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+ for( f = 0; f < fl; f++ ) {
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+
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+ flare = object.lensFlares[ f ];
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+
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+ flare.x = object.positionScreen.x + vecX * flare.distance;
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+ flare.y = object.positionScreen.y + vecY * flare.distance;
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+
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+ flare.rotation = 0;
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+
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+ flare.opacity = cap_bottom( 1 - 0.01 * d / radius, 0 );
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+
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+ }
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+
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+ // hard coded stuff
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+
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+ object.lensFlares[ 2 ].y += 0.025;
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+ object.lensFlares[ 3 ].rotation = object.positionScreen.x * 0.5 + 45 * Math.PI / 180;
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+
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+ };
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+
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|
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+ function animate() {
|
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+
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|
+ requestAnimationFrame( animate );
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+
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+ render();
|
|
|
+ stats.update();
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
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+
|
|
|
+ function cap( val, bottom ) {
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|
|
+
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|
|
+ return val > bottom ? val : bottom;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ function render() {
|
|
|
+
|
|
|
+ // rotate the planet and clouds
|
|
|
+
|
|
|
+ t = this.getFrametime();
|
|
|
+
|
|
|
+ meshPlanet.rotation.y += rotationSpeed * t;
|
|
|
+ meshClouds.rotation.y += 1.25 * rotationSpeed * t;
|
|
|
+
|
|
|
+ // slow down as we approach the surface
|
|
|
+
|
|
|
+ dPlanet = camera.position.length();
|
|
|
+
|
|
|
+ dMoonVec.sub( camera.position, meshMoon.position );
|
|
|
+ dMoon = dMoonVec.length();
|
|
|
+
|
|
|
+ if ( dMoon < dPlanet ) {
|
|
|
+
|
|
|
+ d = ( dMoon - radius * moonScale * 1.01 );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ d = ( dPlanet - radius * 1.01 );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ camera.movementSpeed = 0.33 * d;
|
|
|
+
|
|
|
+ if ( ENABLE_LENSFLARES ) {
|
|
|
+
|
|
|
+ lensFlareRotate.position.set( camera.position.x, camera.position.y, camera.position.z );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( postprocessing.enabled ) {
|
|
|
+
|
|
|
+ renderer.clear();
|
|
|
+
|
|
|
+ // Render scene into texture
|
|
|
+
|
|
|
+ renderer.render( scene, camera, postprocessing.rtTexture1, true );
|
|
|
+
|
|
|
+ if ( postprocessing.bloom ) {
|
|
|
+
|
|
|
+ // Render quad with blured scene into texture (convolution pass 1)
|
|
|
+
|
|
|
+ postprocessing.quad.materials = [ postprocessing.materialConvolution ];
|
|
|
+
|
|
|
+ postprocessing.materialConvolution.uniforms.tDiffuse.texture = postprocessing.rtTexture1;
|
|
|
+ postprocessing.materialConvolution.uniforms.uImageIncrement.value = postprocessing.blurx;
|
|
|
+
|
|
|
+ renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture2, true );
|
|
|
+
|
|
|
+ // Render quad with blured scene into texture (convolution pass 2)
|
|
|
+
|
|
|
+ postprocessing.materialConvolution.uniforms.tDiffuse.texture = postprocessing.rtTexture2;
|
|
|
+ postprocessing.materialConvolution.uniforms.uImageIncrement.value = postprocessing.blury;
|
|
|
+
|
|
|
+ renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture3, true );
|
|
|
+
|
|
|
+ // Render original scene with superimposed blur to texture
|
|
|
+
|
|
|
+ postprocessing.quad.materials = [ postprocessing.materialScreen ];
|
|
|
+
|
|
|
+ postprocessing.materialScreen.uniforms.tDiffuse.texture = postprocessing.rtTexture3;
|
|
|
+ postprocessing.materialScreen.uniforms.opacity.value = 0.75;
|
|
|
+
|
|
|
+ renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture1, false );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Render to screen
|
|
|
+
|
|
|
+ postprocessing.materialFilm.uniforms.time.value += 0.01;
|
|
|
+ postprocessing.quad.materials = [ postprocessing.materialFilm ];
|
|
|
+
|
|
|
+ postprocessing.materialScreen.uniforms.tDiffuse.texture = postprocessing.rtTexture1;
|
|
|
+ renderer.render( postprocessing.scene, postprocessing.camera );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ renderer.clear();
|
|
|
+ renderer.render( scene, camera );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ function getFrametime() {
|
|
|
+
|
|
|
+ var now = new Date().getTime();
|
|
|
+ var tdiff = ( now - lastUpdate ) / 1000;
|
|
|
+ lastUpdate = now;
|
|
|
+ return tdiff;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+</script>
|
|
|
+</body>
|
|
|
+</html>
|
alteredq
