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misc_camera_fly.html
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<!doctype html>
<html lang="en">
<head>
<title>three.js webgl - fly camera - earth</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 {
background:#000;
color: #eee;
padding:0;
margin:0;
font-weight:bold;
overflow:hidden;
font-family:Monospace;
font-size:13px;
text-align:center;
}
#info {
position: absolute;
top: 0px; width: 100%;
padding: 5px;
z-index:100;
}
a {
color: #0080ff;
}
b { color:orange }
</style>
<script src="../build/Three.js"></script>
<script src="js/ShaderExtras.js"></script>
<script src="js/postprocessing/EffectComposer.js"></script>
<script src="js/postprocessing/ShaderPass.js"></script>
<script src="js/postprocessing/MaskPass.js"></script>
<script src="js/postprocessing/RenderPass.js"></script>
<script src="js/postprocessing/FilmPass.js"></script>
<script src="js/Detector.js"></script>
<script src="js/Stats.js"></script>
</head>
<body>
<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - earth [fly camera]<br/><br/>
<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/>
</div>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var radius = 6371;
var tilt = 0.41;
var rotationSpeed = 0.02;
var cloudsScale = 1.005;
var moonScale = 0.23;
var MARGIN = 0;
var SCREEN_HEIGHT = window.innerHeight - MARGIN * 2;
var SCREEN_WIDTH = window.innerWidth;
var container, stats;
var camera, controls, scene, sceneCube, renderer;
var geometry, meshPlanet, meshClouds, meshMoon;
var dirLight, pointLight, ambientLight;
var d, dPlanet, dMoon, dMoonVec = new THREE.Vector3();
var clock = new THREE.Clock();
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0x000000, 0.00000025 );
camera = new THREE.PerspectiveCamera( 25, SCREEN_WIDTH / SCREEN_HEIGHT, 50, 1e7 );
camera.position.z = radius * 5;
scene.add( camera );
controls = new THREE.FlyControls( camera );
controls.movementSpeed = 1000;
controls.domElement = container;
controls.rollSpeed = Math.PI / 24;
controls.autoForward = false;
controls.dragToLook = false;
dirLight = new THREE.DirectionalLight( 0xffffff );
dirLight.position.set( -1, 0, 1 ).normalize();
scene.add( dirLight );
ambientLight = new THREE.AmbientLight( 0x000000 );
scene.add( ambientLight );
var planetTexture = THREE.ImageUtils.loadTexture( "textures/planets/earth_atmos_2048.jpg" );
var cloudsTexture = THREE.ImageUtils.loadTexture( "textures/planets/earth_clouds_1024.png" );
var normalTexture = THREE.ImageUtils.loadTexture( "textures/planets/earth_normal_2048.jpg" );
var specularTexture = THREE.ImageUtils.loadTexture( "textures/planets/earth_specular_2048.jpg" );
var moonTexture = THREE.ImageUtils.loadTexture( "textures/planets/moon_1024.jpg" );
var shader = THREE.ShaderUtils.lib[ "normal" ];
var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
uniforms[ "tNormal" ].texture = normalTexture;
uniforms[ "uNormalScale" ].value = 0.85;
uniforms[ "tDiffuse" ].texture = planetTexture;
uniforms[ "tSpecular" ].texture = specularTexture;
uniforms[ "enableAO" ].value = false;
uniforms[ "enableDiffuse" ].value = true;
uniforms[ "enableSpecular" ].value = true;
uniforms[ "uDiffuseColor" ].value.setHex( 0xffffff );
uniforms[ "uSpecularColor" ].value.setHex( 0x333333 );
uniforms[ "uAmbientColor" ].value.setHex( 0x000000 );
uniforms[ "uShininess" ].value = 15;
var parameters = {
fragmentShader: shader.fragmentShader,
vertexShader: shader.vertexShader,
uniforms: uniforms,
lights: true,
fog: true
};
var materialNormalMap = new THREE.ShaderMaterial( parameters );
// planet
geometry = new THREE.SphereGeometry( radius, 100, 50 );
geometry.computeTangents();
meshPlanet = new THREE.Mesh( geometry, materialNormalMap );
meshPlanet.rotation.y = 0;
meshPlanet.rotation.z = tilt;
scene.add( meshPlanet );
// clouds
var materialClouds = new THREE.MeshLambertMaterial( { color: 0xffffff, map: cloudsTexture, transparent: true } );
meshClouds = new THREE.Mesh( geometry, materialClouds );
meshClouds.scale.set( cloudsScale, cloudsScale, cloudsScale );
meshClouds.rotation.z = tilt;
scene.add( meshClouds );
// moon
var materialMoon = new THREE.MeshPhongMaterial( { color: 0xffffff, map: moonTexture } );
meshMoon = new THREE.Mesh( geometry, materialMoon );
meshMoon.position.set( radius * 5, 0, 0 );
meshMoon.scale.set( moonScale, moonScale, moonScale );
scene.add( meshMoon );
// stars
var i, r = radius, starsGeometry = [ new THREE.Geometry(), new THREE.Geometry() ];
for ( i = 0; i < 250; i ++ ) {
vector1 = new THREE.Vector3( Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1 );
vector1.multiplyScalar( r );
starsGeometry[ 0 ].vertices.push( new THREE.Vertex( vector1 ) );
}
for ( i = 0; i < 1500; i ++ ) {
vector1 = new THREE.Vector3( Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1 );
vector1.multiplyScalar( r );
starsGeometry[ 1 ].vertices.push( new THREE.Vertex( vector1 ) );
}
var stars;
var starsMaterials = [
new THREE.ParticleBasicMaterial( { color: 0x555555, size: 2, sizeAttenuation: false } ),
new THREE.ParticleBasicMaterial( { color: 0x555555, size: 1, sizeAttenuation: false } ),
new THREE.ParticleBasicMaterial( { color: 0x333333, size: 2, sizeAttenuation: false } ),
new THREE.ParticleBasicMaterial( { color: 0x3a3a3a, size: 1, sizeAttenuation: false } ),
new THREE.ParticleBasicMaterial( { color: 0x1a1a1a, size: 2, sizeAttenuation: false } ),
new THREE.ParticleBasicMaterial( { color: 0x1a1a1a, size: 1, sizeAttenuation: false } )
];
for ( i = 10; i < 30; i ++ ) {
stars = new THREE.ParticleSystem( starsGeometry[ i % 2 ], starsMaterials[ i % 6 ] );
stars.rotation.x = Math.random() * 6;
stars.rotation.y = Math.random() * 6;
stars.rotation.z = Math.random() * 6;
s = i * 10;
stars.scale.set( s, s, s );
stars.matrixAutoUpdate = false;
stars.updateMatrix();
scene.add( stars );
}
renderer = new THREE.WebGLRenderer( { clearColor: 0x000000, clearAlpha: 1 } );
renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
renderer.sortObjects = false;
renderer.autoClear = false;
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
window.addEventListener( 'resize', onWindowResize, false );
// postprocessing
var renderModel = new THREE.RenderPass( scene, camera );
var effectFilm = new THREE.FilmPass( 0.35, 0.75, 2048, false );
effectFilm.renderToScreen = true;
composer = new THREE.EffectComposer( renderer );
composer.addPass( renderModel );
composer.addPass( effectFilm );
};
function onWindowResize( event ) {
SCREEN_HEIGHT = window.innerHeight;
SCREEN_WIDTH = window.innerWidth;
renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
camera.updateProjectionMatrix();
composer.reset();
};
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
};
function render() {
// rotate the planet and clouds
var delta = clock.getDelta();
meshPlanet.rotation.y += rotationSpeed * delta;
meshClouds.rotation.y += 1.25 * rotationSpeed * delta;
// 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 );
}
controls.movementSpeed = 0.33 * d;
controls.update( delta );
renderer.clear();
composer.render( delta );
};
</script>
</body>
</html>