<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - geometries</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 {
font-family: Monospace;
background-color: #000;
margin: 0px;
overflow: hidden;
}
</style>
</head>
<body>
<script src="../build/three.min.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer;
var objectNewGeometry;
var objectToggleAddRemove;
var objectRandomizeFaces;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
camera.position.y = 1500;
scene = new THREE.Scene();
var light, object;
scene.add( new THREE.AmbientLight( 0x404040 ) );
light = new THREE.DirectionalLight( 0xffffff );
light.position.set( 0, 1, 0 );
scene.add( light );
var map = THREE.ImageUtils.loadTexture( 'textures/UV_Grid_Sm.jpg' );
map.wrapS = map.wrapT = THREE.RepeatWrapping;
map.anisotropy = 16;
//var material = new THREE.MeshLambertMaterial( { map: map, side: THREE.DoubleSide } );
//
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( -400, 0, 200 );
scene.add( object );
objectNewGeometry = object
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( -200, 0, 200 );
scene.add( object );
objectToggleAddRemove = object
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( 0, 0, 200 );
scene.add( object );
objectRandomizeFaces = object
/*
These are not yet used but they are ready to be shown
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( 200, 0, 200 );
scene.add( object );
//
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( -400, 0, 0 );
scene.add( object );
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( -200, 0, 0 );
scene.add( object );
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( 0, 0, 0 );
scene.add( object );
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( 200, 0, 0 );
scene.add( object );
object = createObject( createMeshFaceMaterial(), 4 );
object.position.set( 400, 0, 0 );
scene.add( object );
*/
//
//
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.domElement );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function createObject(material, segments ){
var geometry = createGeometry(segments);
var mesh = new THREE.Mesh( geometry , material);
return mesh;
}
function createGeometry(segments){
var matrix = new THREE.Matrix4();
var euler = new THREE.Euler()
var geometry = new THREE.BoxGeometry( 100, 100, 100, segments, segments, segments );
geometry.applyMatrix(matrix.makeRotationFromEuler(euler.set(parseInt(Math.random()*2,10)*Math.PI,parseInt(Math.random()*2,10)*Math.PI,parseInt(Math.random()*2,10)*Math.PI)))
return geometry;
}
function createMeshFaceMaterial(){
var materials = [];
materials.push(new THREE.MeshBasicMaterial({color: 0xff0000}))
materials.push(new THREE.MeshBasicMaterial({color: 0xffff00}))
materials.push(new THREE.MeshBasicMaterial({color: 0x00ff00}))
materials.push(new THREE.MeshBasicMaterial({color: 0x00ffff}))
materials.push(new THREE.MeshBasicMaterial({color: 0x0000ff}))
materials.push(new THREE.MeshBasicMaterial({color: 0xff00ff}))
var material = new THREE.MeshFaceMaterial(materials);
return material;
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function randomizeFaces(object){
for(var i = 0,l=object.geometry.faces.length;i<l;i++){
object.geometry.faces[i].materialIndex = Math.floor(Math.random() * 6);
}
object.geometry.groupsNeedUpdate = true;
};
function render() {
var timer = Date.now() * 0.001;
if (parseInt(timer,10)%2 === 0){
if (scene.children.indexOf(objectToggleAddRemove) === -1) {
objectNewGeometry.geometry = createGeometry(1);
randomizeFaces(objectRandomizeFaces);
scene.add(objectToggleAddRemove);
};
} else {
if (scene.children.indexOf(objectToggleAddRemove) !== -1) {
objectNewGeometry.geometry = createGeometry(1);
randomizeFaces(objectRandomizeFaces);
scene.remove(objectToggleAddRemove);
};
};
camera.lookAt( scene.position );
renderer.render( scene, camera );
}
</script>
</body>
</html>