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155 lines
3.8 KiB
155 lines
3.8 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 - map controls</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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background-color: #ccc;
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color: #000;
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}
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a {
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color: #f00;
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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">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - map controls
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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 { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { MapControls } from 'three/addons/controls/OrbitControls.js';
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let camera, controls, scene, renderer;
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init();
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//render(); // remove when using next line for animation loop (requestAnimationFrame)
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animate();
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function init() {
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0xcccccc );
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scene.fog = new THREE.FogExp2( 0xcccccc, 0.002 );
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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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document.body.appendChild( renderer.domElement );
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camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.set( 400, 200, 0 );
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// controls
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controls = new MapControls( camera, renderer.domElement );
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//controls.addEventListener( 'change', render ); // call this only in static scenes (i.e., if there is no animation loop)
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controls.enableDamping = true; // an animation loop is required when either damping or auto-rotation are enabled
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controls.dampingFactor = 0.05;
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controls.screenSpacePanning = false;
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controls.minDistance = 100;
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controls.maxDistance = 500;
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controls.maxPolarAngle = Math.PI / 2;
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// world
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const geometry = new THREE.BoxGeometry( 1, 1, 1 );
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geometry.translate( 0, 0.5, 0 );
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const material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true } );
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for ( let i = 0; i < 500; i ++ ) {
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const mesh = new THREE.Mesh( geometry, material );
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mesh.position.x = Math.random() * 1600 - 800;
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mesh.position.y = 0;
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mesh.position.z = Math.random() * 1600 - 800;
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mesh.scale.x = 20;
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mesh.scale.y = Math.random() * 80 + 10;
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mesh.scale.z = 20;
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mesh.updateMatrix();
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mesh.matrixAutoUpdate = false;
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scene.add( mesh );
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}
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// lights
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const dirLight1 = new THREE.DirectionalLight( 0xffffff );
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dirLight1.position.set( 1, 1, 1 );
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scene.add( dirLight1 );
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const dirLight2 = new THREE.DirectionalLight( 0x002288 );
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dirLight2.position.set( - 1, - 1, - 1 );
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scene.add( dirLight2 );
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const ambientLight = new THREE.AmbientLight( 0x222222 );
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scene.add( ambientLight );
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//
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window.addEventListener( 'resize', onWindowResize );
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const gui = new GUI();
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gui.add( controls, 'screenSpacePanning' );
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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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}
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function animate() {
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requestAnimationFrame( animate );
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controls.update(); // only required if controls.enableDamping = true, or if controls.autoRotate = true
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render();
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}
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function render() {
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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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