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three.js
-ын хуулбар https://github.com/mrdoob/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - mirror</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">
		<style>
			body {
				color: #444;
			}
			a {
				color: #08f;
			}
		</style>
	</head>
	<body>

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

		<script type="module">

			import * as THREE from '../build/three.module.js';

			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { Reflector } from './jsm/objects/Reflector.js';

			let camera, scene, renderer;

			let cameraControls;

			let sphereGroup, smallSphere;

			let groundMirror, verticalMirror;

			init();
			animate();

			function init() {

				const container = document.getElementById( 'container' );

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

				// scene
				scene = new THREE.Scene();

				// camera
				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 500 );
				camera.position.set( 0, 75, 160 );

				cameraControls = new OrbitControls( camera, renderer.domElement );
				cameraControls.target.set( 0, 40, 0 );
				cameraControls.maxDistance = 400;
				cameraControls.minDistance = 10;
				cameraControls.update();

				//

				const planeGeo = new THREE.PlaneGeometry( 100.1, 100.1 );

				// reflectors/mirrors

				let geometry, material;

				geometry = new THREE.CircleGeometry( 40, 64 );
				groundMirror = new Reflector( geometry, {
					clipBias: 0.003,
					textureWidth: window.innerWidth * window.devicePixelRatio,
					textureHeight: window.innerHeight * window.devicePixelRatio,
					color: 0x777777
				} );
				groundMirror.position.y = 0.5;
				groundMirror.rotateX( - Math.PI / 2 );
				scene.add( groundMirror );

				geometry = new THREE.PlaneGeometry( 100, 100 );
				verticalMirror = new Reflector( geometry, {
					clipBias: 0.003,
					textureWidth: window.innerWidth * window.devicePixelRatio,
					textureHeight: window.innerHeight * window.devicePixelRatio,
					color: 0x889999
				} );
				verticalMirror.position.y = 50;
				verticalMirror.position.z = - 50;
				scene.add( verticalMirror );


				sphereGroup = new THREE.Object3D();
				scene.add( sphereGroup );

				geometry = new THREE.CylinderGeometry( 0.1, 15 * Math.cos( Math.PI / 180 * 30 ), 0.1, 24, 1 );
				material = new THREE.MeshPhongMaterial( { color: 0xffffff, emissive: 0x444444 } );
				const sphereCap = new THREE.Mesh( geometry, material );
				sphereCap.position.y = - 15 * Math.sin( Math.PI / 180 * 30 ) - 0.05;
				sphereCap.rotateX( - Math.PI );

				geometry = new THREE.SphereGeometry( 15, 24, 24, Math.PI / 2, Math.PI * 2, 0, Math.PI / 180 * 120 );
				const halfSphere = new THREE.Mesh( geometry, material );
				halfSphere.add( sphereCap );
				halfSphere.rotateX( - Math.PI / 180 * 135 );
				halfSphere.rotateZ( - Math.PI / 180 * 20 );
				halfSphere.position.y = 7.5 + 15 * Math.sin( Math.PI / 180 * 30 );

				sphereGroup.add( halfSphere );

				geometry = new THREE.IcosahedronGeometry( 5, 0 );
				material = new THREE.MeshPhongMaterial( { color: 0xffffff, emissive: 0x333333, flatShading: true } );
				smallSphere = new THREE.Mesh( geometry, material );
				scene.add( smallSphere );

				// walls
				const planeTop = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xffffff } ) );
				planeTop.position.y = 100;
				planeTop.rotateX( Math.PI / 2 );
				scene.add( planeTop );

				const planeBottom = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xffffff } ) );
				planeBottom.rotateX( - Math.PI / 2 );
				scene.add( planeBottom );

				const planeFront = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0x7f7fff } ) );
				planeFront.position.z = 50;
				planeFront.position.y = 50;
				planeFront.rotateY( Math.PI );
				scene.add( planeFront );

				const planeRight = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0x00ff00 } ) );
				planeRight.position.x = 50;
				planeRight.position.y = 50;
				planeRight.rotateY( - Math.PI / 2 );
				scene.add( planeRight );

				const planeLeft = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xff0000 } ) );
				planeLeft.position.x = - 50;
				planeLeft.position.y = 50;
				planeLeft.rotateY( Math.PI / 2 );
				scene.add( planeLeft );

				// lights
				const mainLight = new THREE.PointLight( 0xcccccc, 1.5, 250 );
				mainLight.position.y = 60;
				scene.add( mainLight );

				const greenLight = new THREE.PointLight( 0x00ff00, 0.25, 1000 );
				greenLight.position.set( 550, 50, 0 );
				scene.add( greenLight );

				const redLight = new THREE.PointLight( 0xff0000, 0.25, 1000 );
				redLight.position.set( - 550, 50, 0 );
				scene.add( redLight );

				const blueLight = new THREE.PointLight( 0x7f7fff, 0.25, 1000 );
				blueLight.position.set( 0, 50, 550 );
				scene.add( blueLight );

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

				groundMirror.getRenderTarget().setSize(
					window.innerWidth * window.devicePixelRatio,
					window.innerHeight * window.devicePixelRatio
				);
				verticalMirror.getRenderTarget().setSize(
					window.innerWidth * window.devicePixelRatio,
					window.innerHeight * window.devicePixelRatio
				);

			}

			function animate() {

				requestAnimationFrame( animate );

				const timer = Date.now() * 0.01;

				sphereGroup.rotation.y -= 0.002;

				smallSphere.position.set(
					Math.cos( timer * 0.1 ) * 30,
					Math.abs( Math.cos( timer * 0.2 ) ) * 20 + 5,
					Math.sin( timer * 0.1 ) * 30
				);
				smallSphere.rotation.y = ( Math.PI / 2 ) - timer * 0.1;
				smallSphere.rotation.z = timer * 0.8;

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>