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misc_controls_map.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - map controls</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 {
background-color: #ccc;
color: #000;
}
a {
color: #f00;
}
</style>
</head>
<body>
<div id="info">
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - map controls
</div>
<script type="importmap">
{
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
import { MapControls } from 'three/addons/controls/MapControls.js';
let camera, controls, scene, renderer;
init();
//render(); // remove when using next line for animation loop (requestAnimationFrame)
animate();
function init() {
scene = new THREE.Scene();
scene.background = new THREE.Color( 0xcccccc );
scene.fog = new THREE.FogExp2( 0xcccccc, 0.002 );
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.set( 0, 200, - 400 );
// controls
controls = new MapControls( camera, renderer.domElement );
//controls.addEventListener( 'change', render ); // call this only in static scenes (i.e., if there is no animation loop)
controls.enableDamping = true; // an animation loop is required when either damping or auto-rotation are enabled
controls.dampingFactor = 0.05;
controls.screenSpacePanning = false;
controls.minDistance = 100;
controls.maxDistance = 500;
controls.maxPolarAngle = Math.PI / 2;
// world
const geometry = new THREE.BoxGeometry();
geometry.translate( 0, 0.5, 0 );
const material = new THREE.MeshPhongMaterial( { color: 0xeeeeee, flatShading: true } );
for ( let i = 0; i < 500; i ++ ) {
const mesh = new THREE.Mesh( geometry, material );
mesh.position.x = Math.random() * 1600 - 800;
mesh.position.y = 0;
mesh.position.z = Math.random() * 1600 - 800;
mesh.scale.x = 20;
mesh.scale.y = Math.random() * 80 + 10;
mesh.scale.z = 20;
mesh.updateMatrix();
mesh.matrixAutoUpdate = false;
scene.add( mesh );
}
// lights
const dirLight1 = new THREE.DirectionalLight( 0xffffff, 3 );
dirLight1.position.set( 1, 1, 1 );
scene.add( dirLight1 );
const dirLight2 = new THREE.DirectionalLight( 0x002288, 3 );
dirLight2.position.set( - 1, - 1, - 1 );
scene.add( dirLight2 );
const ambientLight = new THREE.AmbientLight( 0x555555 );
scene.add( ambientLight );
//
window.addEventListener( 'resize', onWindowResize );
const gui = new GUI();
gui.add( controls, 'zoomToCursor' );
gui.add( controls, 'screenSpacePanning' );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
controls.update(); // only required if controls.enableDamping = true, or if controls.autoRotate = true
render();
}
function render() {
renderer.render( scene, camera );
}
</script>
</body>
</html>