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221 lines
6.5 KiB
221 lines
6.5 KiB
2 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - mirror</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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<style>
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body {
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color: #444;
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}
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a {
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color: #08f;
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}
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</style>
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</head>
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<body>
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<div id="container"></div>
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<div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - mirror
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { Reflector } from 'three/addons/objects/Reflector.js';
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let camera, scene, renderer;
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let cameraControls;
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let sphereGroup, smallSphere;
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let groundMirror, verticalMirror;
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init();
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animate();
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function init() {
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const container = document.getElementById( 'container' );
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// renderer
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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// scene
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scene = new THREE.Scene();
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// camera
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 500 );
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camera.position.set( 0, 75, 160 );
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cameraControls = new OrbitControls( camera, renderer.domElement );
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cameraControls.target.set( 0, 40, 0 );
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cameraControls.maxDistance = 400;
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cameraControls.minDistance = 10;
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cameraControls.update();
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//
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const planeGeo = new THREE.PlaneGeometry( 100.1, 100.1 );
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// reflectors/mirrors
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let geometry, material;
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geometry = new THREE.CircleGeometry( 40, 64 );
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groundMirror = new Reflector( geometry, {
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clipBias: 0.003,
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textureWidth: window.innerWidth * window.devicePixelRatio,
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textureHeight: window.innerHeight * window.devicePixelRatio,
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color: 0x777777
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} );
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groundMirror.position.y = 0.5;
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groundMirror.rotateX( - Math.PI / 2 );
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scene.add( groundMirror );
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geometry = new THREE.PlaneGeometry( 100, 100 );
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verticalMirror = new Reflector( geometry, {
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clipBias: 0.003,
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textureWidth: window.innerWidth * window.devicePixelRatio,
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textureHeight: window.innerHeight * window.devicePixelRatio,
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color: 0x889999
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} );
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verticalMirror.position.y = 50;
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verticalMirror.position.z = - 50;
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scene.add( verticalMirror );
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sphereGroup = new THREE.Object3D();
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scene.add( sphereGroup );
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geometry = new THREE.CylinderGeometry( 0.1, 15 * Math.cos( Math.PI / 180 * 30 ), 0.1, 24, 1 );
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material = new THREE.MeshPhongMaterial( { color: 0xffffff, emissive: 0x444444 } );
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const sphereCap = new THREE.Mesh( geometry, material );
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sphereCap.position.y = - 15 * Math.sin( Math.PI / 180 * 30 ) - 0.05;
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sphereCap.rotateX( - Math.PI );
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geometry = new THREE.SphereGeometry( 15, 24, 24, Math.PI / 2, Math.PI * 2, 0, Math.PI / 180 * 120 );
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const halfSphere = new THREE.Mesh( geometry, material );
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halfSphere.add( sphereCap );
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halfSphere.rotateX( - Math.PI / 180 * 135 );
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halfSphere.rotateZ( - Math.PI / 180 * 20 );
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halfSphere.position.y = 7.5 + 15 * Math.sin( Math.PI / 180 * 30 );
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sphereGroup.add( halfSphere );
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geometry = new THREE.IcosahedronGeometry( 5, 0 );
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material = new THREE.MeshPhongMaterial( { color: 0xffffff, emissive: 0x333333, flatShading: true } );
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smallSphere = new THREE.Mesh( geometry, material );
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scene.add( smallSphere );
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// walls
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const planeTop = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xffffff } ) );
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planeTop.position.y = 100;
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planeTop.rotateX( Math.PI / 2 );
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scene.add( planeTop );
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const planeBottom = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xffffff } ) );
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planeBottom.rotateX( - Math.PI / 2 );
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scene.add( planeBottom );
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const planeFront = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0x7f7fff } ) );
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planeFront.position.z = 50;
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planeFront.position.y = 50;
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planeFront.rotateY( Math.PI );
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scene.add( planeFront );
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const planeRight = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0x00ff00 } ) );
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planeRight.position.x = 50;
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planeRight.position.y = 50;
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planeRight.rotateY( - Math.PI / 2 );
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scene.add( planeRight );
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const planeLeft = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xff0000 } ) );
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planeLeft.position.x = - 50;
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planeLeft.position.y = 50;
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planeLeft.rotateY( Math.PI / 2 );
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scene.add( planeLeft );
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// lights
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const mainLight = new THREE.PointLight( 0xcccccc, 1.5, 250 );
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mainLight.position.y = 60;
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scene.add( mainLight );
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const greenLight = new THREE.PointLight( 0x00ff00, 0.25, 1000 );
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greenLight.position.set( 550, 50, 0 );
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scene.add( greenLight );
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const redLight = new THREE.PointLight( 0xff0000, 0.25, 1000 );
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redLight.position.set( - 550, 50, 0 );
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scene.add( redLight );
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const blueLight = new THREE.PointLight( 0x7f7fff, 0.25, 1000 );
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blueLight.position.set( 0, 50, 550 );
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scene.add( blueLight );
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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groundMirror.getRenderTarget().setSize(
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window.innerWidth * window.devicePixelRatio,
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window.innerHeight * window.devicePixelRatio
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);
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verticalMirror.getRenderTarget().setSize(
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window.innerWidth * window.devicePixelRatio,
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window.innerHeight * window.devicePixelRatio
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);
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}
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function animate() {
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requestAnimationFrame( animate );
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const timer = Date.now() * 0.01;
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sphereGroup.rotation.y -= 0.002;
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smallSphere.position.set(
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Math.cos( timer * 0.1 ) * 30,
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Math.abs( Math.cos( timer * 0.2 ) ) * 20 + 5,
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Math.sin( timer * 0.1 ) * 30
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);
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smallSphere.rotation.y = ( Math.PI / 2 ) - timer * 0.1;
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smallSphere.rotation.z = timer * 0.8;
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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