JSFiddle - React, Tailwind, and code Playground
JavaScript
import * as THREE from 'https://cdn.jsdelivr.net/npm/[email protected]/build/three.module.js';
import { OrbitControls } from 'https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/controls/OrbitControls.js';
let camera, controls, scene, renderer;
let offscreen = false;
init();
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( 400, 200, 0 );
// controls
controls = new OrbitControls( camera, renderer.domElement );
controls.listenToKeyEvents( window ); // optional
controls.enableDamping = true;
controls.dampingFactor = 0.05;
controls.screenSpacePanning = false;
controls.minDistance = 100;
controls.maxDistance = 500;
controls.maxPolarAngle = Math.PI / 2;
document.addEventListener( 'pointerleave', function() {
offscreen = true;
} );
document.addEventListener( 'pointerenter', function() {
offscreen = false;
} );
// world
const geometry = new THREE.CylinderGeometry( 0, 10, 30, 4, 1 );
const material = new THREE.MeshPhongMaterial( { color: 0xffffff, 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.updateMatrix();
mesh.matrixAutoUpdate = false;
scene.add( mesh );
}
// lights
const dirLight1 = new THREE.DirectionalLight( 0xffffff );
dirLight1.position.set( 1, 1, 1 );
scene.add( dirLight1 );
const dirLight2 = new THREE.DirectionalLight( 0x002288 );
dirLight2.position.set( - 1, - 1, - 1...