Files
three.js/examples/misc_lookat.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

144 lines
3.3 KiB
HTML

<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js misc - lookAt</title>
<meta charset="utf-8">
<style type="text/css">
body {
color: #404040;
font-family:Monospace;
font-size:13px;
text-align:center;
background-color: #ffffff;
margin: 0px;
overflow: hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a {
color: #0080bb;
}
</style>
</head>
<body>
<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - Object3D::lookAt() demo</div>
<script type="text/javascript" src="../build/custom/ThreeWebGL.js"></script>
<script type="text/javascript" src="../build/custom/ThreeExtras.js"></script>
<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<script type="text/javascript">
var container, stats;
var camera, scene, renderer;
var mesh, zmesh, lightMesh, geometry, target;
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( 60, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.z = 3200;
scene = new THREE.Scene();
var geometry = new THREE.Cube( 10, 10, 100 );
var material = new THREE.MeshNormalMaterial( { shading: THREE.SmoothShading } );
target = new THREE.Mesh( new THREE.Sphere( 100, 20, 20 ), material );
scene.addObject( target );
for ( var i = 0; i < 1000; i ++ ) {
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = Math.random() * 4000 - 2000;
mesh.position.y = Math.random() * 4000 - 2000;
mesh.position.z = Math.random() * 4000 - 2000;
mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 4 + 2;
scene.addObject( mesh );
}
scene.matrixAutoUpdate = false;
renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.sortObjects = 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 );
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX ) * 10;
mouseY = ( event.clientY - windowHalfY ) * 10;
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
camera.position.x += ( mouseX - camera.position.x ) * .05;
camera.position.y += ( - mouseY - camera.position.y ) * .05;
var time = new Date().getTime() * 0.0005;
target.position.x = Math.sin( time * 0.7 ) * 2000;
target.position.y = Math.cos( time * 0.5 ) * 2000;
target.position.z = Math.cos( time * 0.3 ) * 2000;
for ( var i = 0, l = scene.objects.length; i < l; i ++ ) {
scene.objects[ i ].lookAt( target.position );
}
renderer.render( scene, camera );
}
</script>
</body>
</html>