Files
three.js/examples/webgl_lod.html
T
Mr.doob 76e7ea3461 Added namespace to all the objects that missed it (geometries, uniforms, etc)
WebGLRenderer antialias is off by default (considering Firefox doesn't support it...)
Formatting clean up here and there
2011-04-09 12:38:39 +01:00

165 lines
3.6 KiB
HTML

<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js webgl - level-of-details</title>
<meta charset="utf-8">
<style type="text/css">
body {
background:#000;
color:#fff;
padding:0;
margin:0;
font-weight: bold;
overflow:hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family: Monospace;
font-size: 13px;
text-align: center;
z-index:100;
}
a { color:red }
</style>
</head>
<body>
<div id="info">
<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - level-of-details WebGL example
</div>
<script type="text/javascript" src="../build/Three.js"></script>
<script type="text/javascript" src="js/Detector.js"></script>
<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<script type="text/javascript">
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer;
var geometry, objects;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.Camera( 45, window.innerWidth / window.innerHeight, 1, 15000 );
camera.position.z = 1000;
scene = new THREE.Scene();
scene.fog = new THREE.Fog( 0x000000, 1, 15000 );
var light = new THREE.PointLight( 0xff2200 );
light.position.set( 0, 0, 0 );
scene.addLight( light );
var light = new THREE.DirectionalLight( 0xffffff );
light.position.set( 0, 0, 1 );
light.position.normalize();
scene.addLight( light );
var material = [
new THREE.MeshLambertMaterial( { color: 0xffffff } ),
new THREE.MeshBasicMaterial( { color: 0xff0000, opacity: 0.5, wireframe: true } )
];
var geometry = [
[ new THREE.Sphere( 100, 64, 32 ), 300 ],
[ new THREE.Sphere( 100, 32, 16 ), 1000 ],
[ new THREE.Sphere( 100, 16, 8 ), 2000 ],
[ new THREE.Sphere( 100, 8, 4 ), 10000 ]
];
var i, j, mesh, lod;
for ( j = 0; j < 1000; j++ ) {
lod = new THREE.LOD();
for ( i = 0; i < geometry.length; i++ ) {
mesh = new THREE.Mesh( geometry[ i ][ 0 ], material );
mesh.scale.set( 1.5, 1.5, 1.5 );
lod.add( mesh, geometry[ i ][ 1 ] );
}
lod.position.x = 10000 * ( 0.5 - Math.random() );
lod.position.y = 7500 * ( 0.5 - Math.random() );
lod.position.z = 10000 * ( 0.5 - Math.random() );
scene.addObject( lod );
}
renderer = new THREE.WebGLRenderer( { antialias: true, clearColor:0x000000, clearAlpha: 1 } );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.sortObjects = false;
container.appendChild( renderer.domElement );
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX ) * 10;
mouseY = ( event.clientY - windowHalfY ) * 10;
}
function animate() {
requestAnimationFrame( animate );
render();
}
function render() {
camera.position.x += ( mouseX - camera.position.x ) * .005;
camera.position.y += ( - mouseY - camera.position.y ) * .01;
renderer.render( scene, camera );
}
function log( text ) {
var e = document.getElementById("log");
e.innerHTML = text + "<br/>" + e.innerHTML;
}
</script>
</body>
</html>