mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 04:56:01 +10:00
340 lines
8.8 KiB
HTML
340 lines
8.8 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<title>three.js webgl - fly camera - earth</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:#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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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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#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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a {
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color: #0080ff;
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}
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b { color:orange }
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</style>
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<script src="../build/Three.js"></script>
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<script src="js/ShaderExtras.js"></script>
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<script src="js/postprocessing/EffectComposer.js"></script>
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<script src="js/postprocessing/ShaderPass.js"></script>
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<script src="js/postprocessing/MaskPass.js"></script>
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<script src="js/postprocessing/RenderPass.js"></script>
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<script src="js/postprocessing/FilmPass.js"></script>
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<script src="js/Detector.js"></script>
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<script src="js/RequestAnimationFrame.js"></script>
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<script src="js/Stats.js"></script>
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</head>
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<body>
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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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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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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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var cloudsScale = 1.005;
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var moonScale = 0.23;
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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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var container, stats;
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var camera, controls, 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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var delta, d, dPlanet, dMoon, dMoonVec = new THREE.Vector3();
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 25, SCREEN_WIDTH / SCREEN_HEIGHT, 50, 1e7 );
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camera.position.z = radius * 5;
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controls = new THREE.FlyControls( camera );
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controls.movementSpeed = 1000;
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controls.domElement = container;
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controls.rollSpeed = Math.PI / 24;
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controls.autoForward = false;
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controls.dragToLook = false
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scene = new THREE.Scene();
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scene.fog = new THREE.FogExp2( 0x000000, 0.00000025 );
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dirLight = new THREE.DirectionalLight( 0xffffff );
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dirLight.position.set( -1, 0, 1 ).normalize();
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scene.add( dirLight );
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ambientLight = new THREE.AmbientLight( 0x000000 );
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scene.add( ambientLight );
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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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var moonTexture = THREE.ImageUtils.loadTexture( "textures/planets/moon_1024.jpg" );
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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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uniforms[ "tNormal" ].texture = normalTexture;
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uniforms[ "uNormalScale" ].value = 0.85;
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uniforms[ "tDiffuse" ].texture = planetTexture;
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uniforms[ "tSpecular" ].texture = specularTexture;
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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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uniforms[ "uDiffuseColor" ].value.setHex( 0xffffff );
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uniforms[ "uSpecularColor" ].value.setHex( 0x333333 );
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uniforms[ "uAmbientColor" ].value.setHex( 0x000000 );
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uniforms[ "uShininess" ].value = 15;
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var parameters = {
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fragmentShader: shader.fragmentShader,
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vertexShader: shader.vertexShader,
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uniforms: uniforms,
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lights: true,
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fog: true
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};
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var materialNormalMap = new THREE.ShaderMaterial( parameters );
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// planet
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geometry = new THREE.SphereGeometry( radius, 100, 50 );
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geometry.computeTangents();
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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.add( meshPlanet );
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// clouds
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var materialClouds = new THREE.MeshLambertMaterial( { color: 0xffffff, map: cloudsTexture, transparent: true } );
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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.add( meshClouds );
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// moon
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var materialMoon = new THREE.MeshPhongMaterial( { color: 0xffffff, map: moonTexture } );
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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.add( meshMoon );
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// stars
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var i, r = radius, starsGeometry = [ new THREE.Geometry(), new THREE.Geometry() ];
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for ( i = 0; i < 250; i ++ ) {
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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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starsGeometry[ 0 ].vertices.push( new THREE.Vertex( vector1 ) );
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}
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for ( i = 0; i < 1500; ++i ) {
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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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starsGeometry[ 1 ].vertices.push( new THREE.Vertex( vector1 ) );
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}
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var stars;
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var starsMaterials = [
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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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for ( i = 10; i < 30; i ++ ) {
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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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s = i * 10;
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stars.scale.set( s, s, s );
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stars.matrixAutoUpdate = false;
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stars.updateMatrix();
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scene.add( stars );
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}
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renderer = new THREE.WebGLRenderer( { clearColor: 0x000000, clearAlpha: 1 } );
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renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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renderer.sortObjects = false;
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renderer.autoClear = false;
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container.appendChild( renderer.domElement );
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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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window.addEventListener( 'resize', onWindowResize, false );
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// postprocessing
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var renderModel = new THREE.RenderPass( scene, camera );
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var effectFilm = new THREE.FilmPass( 0.35, 0.75, 2048, false );
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effectFilm.renderToScreen = true;
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composer = new THREE.EffectComposer( renderer );
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composer.addPass( renderModel );
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composer.addPass( effectFilm );
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};
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function onWindowResize( event ) {
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SCREEN_HEIGHT = window.innerHeight;
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SCREEN_WIDTH = window.innerWidth;
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renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
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camera.updateProjectionMatrix();
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composer.reset();
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}
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function cap_bottom( val, bottom ) {
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return val < bottom ? bottom : val;
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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 cap( val, bottom ) {
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return val > bottom ? val : bottom;
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};
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function render() {
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// rotate the planet and clouds
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delta = this.getFrametime();
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meshPlanet.rotation.y += rotationSpeed * delta;
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meshClouds.rotation.y += 1.25 * rotationSpeed * delta;
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// slow down as we approach the surface
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dPlanet = camera.position.length();
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dMoonVec.sub( camera.position, meshMoon.position );
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dMoon = dMoonVec.length();
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if ( dMoon < dPlanet ) {
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d = ( dMoon - radius * moonScale * 1.01 );
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} else {
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d = ( dPlanet - radius * 1.01 );
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}
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controls.movementSpeed = 0.33 * d;
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controls.update();
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renderer.clear();
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composer.render( delta );
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};
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function getFrametime() {
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var now = new Date().getTime();
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var tdiff = ( now - lastUpdate ) / 1000;
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lastUpdate = now;
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return tdiff;
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};
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</script>
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</body>
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</html>
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