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231 lines
6.0 KiB
231 lines
6.0 KiB
2 years ago
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<!DOCTYPE html>
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<html>
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<head>
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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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<title>three.js css2d - label</title>
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<link type="text/css" rel="stylesheet" href="main.css">
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<style>
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.label {
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color: #FFF;
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font-family: sans-serif;
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padding: 2px;
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background: rgba( 0, 0, 0, .6 );
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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="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> css2d - label</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 { CSS2DRenderer, CSS2DObject } from 'three/addons/renderers/CSS2DRenderer.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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let gui;
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let camera, scene, renderer, labelRenderer;
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const layers = {
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'Toggle Name': function () {
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camera.layers.toggle( 0 );
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},
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'Toggle Mass': function () {
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camera.layers.toggle( 1 );
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},
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'Enable All': function () {
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camera.layers.enableAll();
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},
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'Disable All': function () {
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camera.layers.disableAll();
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}
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};
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const clock = new THREE.Clock();
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const textureLoader = new THREE.TextureLoader();
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let moon;
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init();
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animate();
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function init() {
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const EARTH_RADIUS = 1;
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const MOON_RADIUS = 0.27;
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 200 );
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camera.position.set( 10, 5, 20 );
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camera.layers.enableAll();
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camera.layers.toggle( 1 );
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scene = new THREE.Scene();
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const dirLight = new THREE.DirectionalLight( 0xffffff );
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dirLight.position.set( 0, 0, 1 );
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dirLight.layers.enableAll();
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scene.add( dirLight );
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const axesHelper = new THREE.AxesHelper( 5 );
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axesHelper.layers.enableAll();
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scene.add( axesHelper );
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//
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const earthGeometry = new THREE.SphereGeometry( EARTH_RADIUS, 16, 16 );
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const earthMaterial = new THREE.MeshPhongMaterial( {
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specular: 0x333333,
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shininess: 5,
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map: textureLoader.load( 'textures/planets/earth_atmos_2048.jpg' ),
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specularMap: textureLoader.load( 'textures/planets/earth_specular_2048.jpg' ),
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normalMap: textureLoader.load( 'textures/planets/earth_normal_2048.jpg' ),
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normalScale: new THREE.Vector2( 0.85, 0.85 )
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} );
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const earth = new THREE.Mesh( earthGeometry, earthMaterial );
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scene.add( earth );
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const moonGeometry = new THREE.SphereGeometry( MOON_RADIUS, 16, 16 );
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const moonMaterial = new THREE.MeshPhongMaterial( {
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shininess: 5,
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map: textureLoader.load( 'textures/planets/moon_1024.jpg' )
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} );
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moon = new THREE.Mesh( moonGeometry, moonMaterial );
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scene.add( moon );
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//
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earth.layers.enableAll();
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moon.layers.enableAll();
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const earthDiv = document.createElement( 'div' );
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earthDiv.className = 'label';
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earthDiv.textContent = 'Earth';
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earthDiv.style.marginTop = '-1em';
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const earthLabel = new CSS2DObject( earthDiv );
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earthLabel.position.set( 0, EARTH_RADIUS, 0 );
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earth.add( earthLabel );
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earthLabel.layers.set( 0 );
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const earthMassDiv = document.createElement( 'div' );
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earthMassDiv.className = 'label';
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earthMassDiv.textContent = '5.97237e24 kg';
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earthMassDiv.style.marginTop = '-1em';
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const earthMassLabel = new CSS2DObject( earthMassDiv );
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earthMassLabel.position.set( 0, - 2 * EARTH_RADIUS, 0 );
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earth.add( earthMassLabel );
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earthMassLabel.layers.set( 1 );
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const moonDiv = document.createElement( 'div' );
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moonDiv.className = 'label';
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moonDiv.textContent = 'Moon';
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moonDiv.style.marginTop = '-1em';
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const moonLabel = new CSS2DObject( moonDiv );
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moonLabel.position.set( 0, MOON_RADIUS, 0 );
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moon.add( moonLabel );
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moonLabel.layers.set( 0 );
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const moonMassDiv = document.createElement( 'div' );
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moonMassDiv.className = 'label';
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moonMassDiv.textContent = '7.342e22 kg';
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moonMassDiv.style.marginTop = '-1em';
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const moonMassLabel = new CSS2DObject( moonMassDiv );
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moonMassLabel.position.set( 0, - 2 * MOON_RADIUS, 0 );
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moon.add( moonMassLabel );
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moonMassLabel.layers.set( 1 );
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//
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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labelRenderer = new CSS2DRenderer();
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labelRenderer.setSize( window.innerWidth, window.innerHeight );
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labelRenderer.domElement.style.position = 'absolute';
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labelRenderer.domElement.style.top = '0px';
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document.body.appendChild( labelRenderer.domElement );
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const controls = new OrbitControls( camera, labelRenderer.domElement );
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controls.minDistance = 5;
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controls.maxDistance = 100;
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window.addEventListener( 'resize', onWindowResize );
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initGui();
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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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labelRenderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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requestAnimationFrame( animate );
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const elapsed = clock.getElapsedTime();
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moon.position.set( Math.sin( elapsed ) * 5, 0, Math.cos( elapsed ) * 5 );
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renderer.render( scene, camera );
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labelRenderer.render( scene, camera );
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}
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//
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function initGui() {
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gui = new GUI();
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gui.add( layers, 'Toggle Name' );
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gui.add( layers, 'Toggle Mass' );
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gui.add( layers, 'Enable All' );
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gui.add( layers, 'Disable All' );
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}
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</script>
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</body>
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</html>
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