javascript
/
three.js
oglindă de https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!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">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>
	<body>

		<div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - geometries</div>

		<script type="module">
			import {
				AmbientLight,
				BoxBufferGeometry,
				CircleBufferGeometry,
				CylinderBufferGeometry,
				DoubleSide,
				IcosahedronBufferGeometry,
				LatheBufferGeometry,
				Mesh,
				MeshPhongMaterial,
				OctahedronBufferGeometry,
				PerspectiveCamera,
				PlaneBufferGeometry,
				PointLight,
				RepeatWrapping,
				RingBufferGeometry,
				Scene,
				SphereBufferGeometry,
				TetrahedronBufferGeometry,
				TextureLoader,
				TorusBufferGeometry,
				TorusKnotBufferGeometry,
				Vector2,
				WebGLRenderer
			} from "../build/three.module.js";

			import Stats from './jsm/libs/stats.module.js';

			var camera, scene, renderer, stats;

			init();
			animate();

			function init() {

				camera = new PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
				camera.position.y = 400;

				scene = new Scene();

				var object;

				var ambientLight = new AmbientLight( 0xcccccc, 0.4 );
				scene.add( ambientLight );

				var pointLight = new PointLight( 0xffffff, 0.8 );
				camera.add( pointLight );
				scene.add( camera );

				var map = new TextureLoader().load( 'textures/UV_Grid_Sm.jpg' );
				map.wrapS = map.wrapT = RepeatWrapping;
				map.anisotropy = 16;

				var material = new MeshPhongMaterial( { map: map, side: DoubleSide } );

				//

				object = new Mesh( new SphereBufferGeometry( 75, 20, 10 ), material );
				object.position.set( - 300, 0, 200 );
				scene.add( object );

				object = new Mesh( new IcosahedronBufferGeometry( 75, 1 ), material );
				object.position.set( - 100, 0, 200 );
				scene.add( object );

				object = new Mesh( new OctahedronBufferGeometry( 75, 2 ), material );
				object.position.set( 100, 0, 200 );
				scene.add( object );

				object = new Mesh( new TetrahedronBufferGeometry( 75, 0 ), material );
				object.position.set( 300, 0, 200 );
				scene.add( object );

				//

				object = new Mesh( new PlaneBufferGeometry( 100, 100, 4, 4 ), material );
				object.position.set( - 300, 0, 0 );
				scene.add( object );

				object = new Mesh( new BoxBufferGeometry( 100, 100, 100, 4, 4, 4 ), material );
				object.position.set( - 100, 0, 0 );
				scene.add( object );

				object = new Mesh( new CircleBufferGeometry( 50, 20, 0, Math.PI * 2 ), material );
				object.position.set( 100, 0, 0 );
				scene.add( object );

				object = new Mesh( new RingBufferGeometry( 10, 50, 20, 5, 0, Math.PI * 2 ), material );
				object.position.set( 300, 0, 0 );
				scene.add( object );

				//

				object = new Mesh( new CylinderBufferGeometry( 25, 75, 100, 40, 5 ), material );
				object.position.set( - 300, 0, - 200 );
				scene.add( object );

				var points = [];

				for ( var i = 0; i < 50; i ++ ) {

					points.push( new Vector2( Math.sin( i * 0.2 ) * Math.sin( i * 0.1 ) * 15 + 50, ( i - 5 ) * 2 ) );

				}

				object = new Mesh( new LatheBufferGeometry( points, 20 ), material );
				object.position.set( - 100, 0, - 200 );
				scene.add( object );

				object = new Mesh( new TorusBufferGeometry( 50, 20, 20, 20 ), material );
				object.position.set( 100, 0, - 200 );
				scene.add( object );

				object = new Mesh( new TorusKnotBufferGeometry( 50, 10, 50, 20 ), material );
				object.position.set( 300, 0, - 200 );
				scene.add( object );

				//

				renderer = new WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				document.body.appendChild( renderer.domElement );

				stats = new Stats();
				document.body.appendChild( stats.dom );

				//

				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 );

				scene.traverse( function ( object ) {

					if ( object.isMesh === true ) {

						object.rotation.x = timer * 5;
						object.rotation.y = timer * 2.5;

					}

				} );

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>