import * as THREE from 'three'; const scene = new THREE.Scene(); const camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 0.1, 1000 ); const renderer = new THREE.WebGLRenderer(); renderer.setSize( window.innerWidth, window.innerHeight ); document.body.appendChild( renderer.domElement ); const geometry = new THREE.BoxGeometry( 1, 2, 1 ); const material = new THREE.MeshBasicMaterial( { color: 0x33ff00 } ); const cube = new THREE.Mesh( geometry, material ); scene.add( cube ); camera.position.z = 5; function animate() { requestAnimationFrame( animate ); renderer.render( scene, camera ); } animate();