/
misc_lights_test.html
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/
misc_lights_test.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js misc - lights - point + directional</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:#fff;
padding:0;
margin:0;
overflow:hidden;
font-family:georgia;
text-align:center;
}
a { color:skyblue }
canvas { pointer-events:none; z-index:10; }
#d { text-align:center; margin:1em 0 -11.4em 0; z-index:0; position:relative; display:block }
.button { background:#000; color:#fff; padding:0.2em 0.5em; cursor:pointer }
.inactive { background:#999; color:#eee }
</style>
</head>
<body>
<script src="../build/three.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
var SCREEN_WIDTH = window.innerWidth / 2;
var SCREEN_HEIGHT = window.innerHeight;
var container, stats;
var camera, scene, webglRenderer;
var mesh, geometry, material;
var directionalLight, pointLight;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var clock = new THREE.Clock();
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
camera.position.z = 500;
scene = new THREE.Scene();
scene.background = new THREE.Color( 0xffffff );
// Spheres
geometry = new THREE.SphereBufferGeometry( 100, 16, 8 );
material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true, shininess: 0 } );
for ( var i = 0; i < 30; i ++ ) {
mesh = new THREE.Mesh( geometry, material );
mesh.position.x = 500 * ( Math.random() - 0.5 );
mesh.position.y = 500 * ( Math.random() - 0.5 );
mesh.position.z = 500 * ( Math.random() - 0.5 );
mesh.scale.x = mesh.scale.y = mesh.scale.z = 0.25 * ( Math.random() + 0.5 );
scene.add( mesh );
}
// Torus
geometry = new THREE.TorusBufferGeometry( 100, 25, 15, 30 );
mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
// Lights
var ambient = new THREE.AmbientLight( 0x101010 );
scene.add( ambient );
directionalLight = new THREE.DirectionalLight( 0xffffff );
directionalLight.position.set( 0, - 70, 100 ).normalize();
setTimeout( function () {
scene.add( directionalLight );
}, 3000 );
pointLight = new THREE.PointLight( 0xffaa00 );
scene.add( pointLight );
geometry = new THREE.SphereBufferGeometry( 100, 8, 4 );
material = new THREE.MeshBasicMaterial( { color: 0xffaa00 } );
mesh = new THREE.Mesh( geometry, material );
mesh.scale.set( 0.05, 0.05, 0.05 );
pointLight.add( mesh );
webglRenderer = new THREE.WebGLRenderer();
webglRenderer.setPixelRatio( window.devicePixelRatio );
webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
webglRenderer.domElement.style.position = "relative";
container.appendChild( webglRenderer.domElement );
stats = new Stats();
container.appendChild( stats.dom );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
SCREEN_WIDTH = window.innerWidth / 2;
SCREEN_HEIGHT = window.innerHeight;
camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
camera.updateProjectionMatrix();
webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
}
function onDocumentMouseMove( event ) {
mouseX = ( event.clientX - windowHalfX );
mouseY = ( event.clientY - windowHalfY );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var delta = clock.getDelta();
camera.position.x += ( mouseX - camera.position.x ) * 0.05;
camera.position.y += ( - mouseY - camera.position.y ) * 0.05;
camera.lookAt( scene.position );
for ( var i = 0, l = scene.children.length; i < l; i ++ ) {
var object = scene.children[ i ];
if ( object instanceof THREE.Mesh ) {
if ( i % 3 == 1 )
object.rotation.z += 1.5 * delta;
else if ( i % 3 == 2 )
object.rotation.y += 1.5 * delta;
else if ( i % 3 == 0 )
object.rotation.x += 1.5 * delta;
}
}
var r = clock.getElapsedTime();
pointLight.position.x = 200 * Math.cos( r );
pointLight.position.z = 200 * Math.sin( r );
webglRenderer.render( scene, camera );
}
</script>
</body>
</html>