<!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 src="js/CurveExtras.js"></script>
<script src="js/ParametricGeometries.js"></script>
<script>
/* Testing the new Parametric Surfaces Geometries*/
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer;
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 = 400;
scene = new THREE.Scene();
var light, object, materials;
scene.add( new THREE.AmbientLight( 0x404040 ) );
light = new THREE.DirectionalLight( 0xffffff );
light.position.set( 0, 0, 1 );
scene.add( light );
var map = THREE.ImageUtils.loadTexture( 'textures/UV_Grid_Sm.jpg' );
map.wrapS = map.wrapT = THREE.RepeatWrapping;
map.anisotropy = 16;
materials = [
new THREE.MeshLambertMaterial( { map: map, side: THREE.DoubleSide } ),
new THREE.MeshBasicMaterial( { color: 0xffffff, wireframe: true, transparent: true, opacity: 0.1, side: THREE.DoubleSide } )
];
var heightScale = 1;
var p = 2;
var q = 3;
var radius = 150, tube = 10, segmentsR = 50, segmentsT = 20;
var GrannyKnot = new THREE.Curves.GrannyKnot();
var torus2 = new THREE.ParametricGeometries.TorusKnotGeometry( radius, tube, segmentsR, segmentsT, p , q, heightScale );
var sphere2 = new THREE.ParametricGeometries.SphereGeometry( 75, 20, 10 );
var tube2 = new THREE.ParametricGeometries.TubeGeometry( GrannyKnot, 150, 2, 8, true, false );
// var torus = new THREE.TorusKnotGeometry( radius, tube, segmentsR, segmentsT, p , q, heightScale );
// var sphere = new THREE.SphereGeometry( 75, 20, 10 );
// var tube = new THREE.TubeGeometry( GrannyKnot, 150, 2, 8, true, false );
// var benchmarkCopies = 1000;
// var benchmarkObject = tube;
// var rand = function() { return (Math.random() - 0.5 ) * 600; };
// for (var b=0;b<benchmarkCopies;b++) {
// object = THREE.SceneUtils.createMultiMaterialObject( benchmarkObject, materials );
// object.position.set( rand(), rand(), rand() );
// scene.add( object );
// }
console.log(THREE.ParametricGeometries);
var geo;
// Klein Bottle
geo = new THREE.ParametricGeometry( THREE.ParametricGeometries.klein, 20, 20 );
object = THREE.SceneUtils.createMultiMaterialObject( geo, materials );
object.position.set( 0, 0, 0 );
object.scale.multiplyScalar( 10 );
scene.add( object );
// Mobius Strip
geo = new THREE.ParametricGeometry( THREE.ParametricGeometries.mobius, 20, 20 );
object = THREE.SceneUtils.createMultiMaterialObject( geo, materials );
object.position.set( 10, 0, 0 );
object.scale.multiplyScalar( 100 );
scene.add( object );
var geo = new THREE.ParametricGeometry( THREE.ParametricGeometries.plane( 200, 200 ), 10, 20 );
object = THREE.SceneUtils.createMultiMaterialObject( geo, materials );
object.position.set( 0, 0, 0 );
scene.add( object );
// object = THREE.SceneUtils.createMultiMaterialObject( torus, materials );
// object.position.set( 0, 0, 0 );
// scene.add( object );
object = THREE.SceneUtils.createMultiMaterialObject( torus2, materials );
object.position.set( 0, 100, 0 );
scene.add( object );
// object = THREE.SceneUtils.createMultiMaterialObject( sphere, materials );
// object.position.set( 500, 0, 0 );
// scene.add( object );
object = THREE.SceneUtils.createMultiMaterialObject( sphere2, materials );
object.position.set( 200, 0, 0 );
scene.add( object );
// object = THREE.SceneUtils.createMultiMaterialObject( tube, materials );
// object.position.set( 0, 0, 0 );
// scene.add( object );
object = THREE.SceneUtils.createMultiMaterialObject( tube2, materials );
object.position.set( 100, 0, 0 );
scene.add( object );
// object = THREE.SceneUtils.createMultiMaterialObject( new THREE.PlaneGeometry( 400, 400, 4, 4 ), materials );
// object.position.set( -200, 100, 0 );
// scene.add( object );
object = new THREE.AxisHelper( 50 );
object.position.set( 200, 0, -200 );
scene.add( object );
object = new THREE.ArrowHelper( new THREE.Vector3( 0, 1, 0 ), new THREE.Vector3( 0, 0, 0 ), 50 );
object.position.set( 200, 0, 400 );
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 onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var timer = Date.now() * 0.0001;
camera.position.x = Math.cos( timer ) * 800;
camera.position.z = Math.sin( timer ) * 800;
camera.lookAt( scene.position );
for ( var i = 0, l = scene.children.length; i < l; i ++ ) {
var object = scene.children[ i ];
object.rotation.x = timer * 5;
object.rotation.y = timer * 2.5;
}
renderer.render( scene, camera );
}
</script>
</body>
</html>