<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js webgl - lensflares</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style type="text/css">
body {
background:#000;
padding:0;
margin:0;
font-weight: bold;
overflow:hidden;
}
#info {
position: absolute;
top: 10px; width: 100%;
color: #ffffff;
padding: 5px;
font-family: Monospace;
font-size: 13px;
text-align: center;
z-index:100;
}
a {
color: orange;
text-decoration: none;
}
a:hover {
color: #0080ff;
}
#stats { position: absolute; top:0; left: 0 }
#stats #fps { background: transparent !important }
#stats #fps #fpsText { color: #aaa !important }
#stats #fps #fpsGraph { display: none }
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> - lensflares -
textures from <a href="http://ro.me">ro.me</a> - fly with WASD/RF/QE + mouse
</div>
<script src="../build/three.min.js"></script>
<script src="js/controls/FlyControls.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
var container, stats;
var camera, scene, renderer;
var clock = new THREE.Clock();
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
// camera
camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 15000 );
camera.position.z = 250;
controls = new THREE.FlyControls( camera );
controls.movementSpeed = 2500;
controls.domElement = container;
controls.rollSpeed = Math.PI / 6;
controls.autoForward = false;
controls.dragToLook = false
// scene
scene = new THREE.Scene();
scene.fog = new THREE.Fog( 0x000000, 3500, 15000 );
scene.fog.color.setHSL( 0.51, 0.4, 0.01 );
// world
var s = 250;
var cube = new THREE.BoxGeometry( s, s, s );
var material = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0xffffff, shininess: 50 } );
for ( var i = 0; i < 3000; i ++ ) {
var mesh = new THREE.Mesh( cube, material );
mesh.position.x = 8000 * ( 2.0 * Math.random() - 1.0 );
mesh.position.y = 8000 * ( 2.0 * Math.random() - 1.0 );
mesh.position.z = 8000 * ( 2.0 * Math.random() - 1.0 );
mesh.rotation.x = Math.random() * Math.PI;
mesh.rotation.y = Math.random() * Math.PI;
mesh.rotation.z = Math.random() * Math.PI;
mesh.matrixAutoUpdate = false;
mesh.updateMatrix();
scene.add( mesh );
}
// lights
var ambient = new THREE.AmbientLight( 0xffffff );
ambient.color.setHSL( 0.1, 0.3, 0.2 );
scene.add( ambient );
var dirLight = new THREE.DirectionalLight( 0xffffff, 0.125 );
dirLight.position.set( 0, -1, 0 ).normalize();
scene.add( dirLight );
dirLight.color.setHSL( 0.1, 0.7, 0.5 );
// lens flares
var textureFlare0 = THREE.ImageUtils.loadTexture( "textures/lensflare/lensflare0.png" );
var textureFlare2 = THREE.ImageUtils.loadTexture( "textures/lensflare/lensflare2.png" );
var textureFlare3 = THREE.ImageUtils.loadTexture( "textures/lensflare/lensflare3.png" );
addLight( 0.55, 0.9, 0.5, 5000, 0, -1000 );
addLight( 0.08, 0.8, 0.5, 0, 0, -1000 );
addLight( 0.995, 0.5, 0.9, 5000, 5000, -1000 );
function addLight( h, s, l, x, y, z ) {
var light = new THREE.PointLight( 0xffffff, 1.5, 4500 );
light.color.setHSL( h, s, l );
light.position.set( x, y, z );
scene.add( light );
var flareColor = new THREE.Color( 0xffffff );
flareColor.setHSL( h, s, l + 0.5 );
var lensFlare = new THREE.LensFlare( textureFlare0, 700, 0.0, THREE.AdditiveBlending, flareColor );
lensFlare.add( textureFlare2, 512, 0.0, THREE.AdditiveBlending );
lensFlare.add( textureFlare2, 512, 0.0, THREE.AdditiveBlending );
lensFlare.add( textureFlare2, 512, 0.0, THREE.AdditiveBlending );
lensFlare.add( textureFlare3, 60, 0.6, THREE.AdditiveBlending );
lensFlare.add( textureFlare3, 70, 0.7, THREE.AdditiveBlending );
lensFlare.add( textureFlare3, 120, 0.9, THREE.AdditiveBlending );
lensFlare.add( textureFlare3, 70, 1.0, THREE.AdditiveBlending );
lensFlare.customUpdateCallback = lensFlareUpdateCallback;
lensFlare.position.copy( light.position );
scene.add( lensFlare );
}
// renderer
renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
renderer.setClearColor( scene.fog.color );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
//
renderer.gammaInput = true;
renderer.gammaOutput = true;
// stats
stats = new Stats();
container.appendChild( stats.domElement );
// events
window.addEventListener( 'resize', onWindowResize, false );
}
//
function lensFlareUpdateCallback( object ) {
var f, fl = object.lensFlares.length;
var flare;
var vecX = -object.positionScreen.x * 2;
var vecY = -object.positionScreen.y * 2;
for( f = 0; f < fl; f++ ) {
flare = object.lensFlares[ f ];
flare.x = object.positionScreen.x + vecX * flare.distance;
flare.y = object.positionScreen.y + vecY * flare.distance;
flare.rotation = 0;
}
object.lensFlares[ 2 ].y += 0.025;
object.lensFlares[ 3 ].rotation = object.positionScreen.x * 0.5 + THREE.Math.degToRad( 45 );
}
//
function onWindowResize( event ) {
renderer.setSize( window.innerWidth, window.innerHeight );
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var delta = clock.getDelta();
controls.update( delta );
renderer.render( scene, camera );
}
</script>
</body>
</html>