import * as THREE from 'three';
const width = window.innerWidth, height = window.innerHeight;
// init
const camera = new THREE.PerspectiveCamera( 70, width / height, 0.01, 10 );
camera.position.z = 1;
const scene = new THREE.Scene();
const geometry = new THREE.BoxGeometry( 0.2, 0.2, 0.2 );
const material = new THREE.MeshNormalMaterial();
const mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
const renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setSize( width, height );
renderer.setAnimationLoop( animate );
document.body.appendChild( renderer.domElement );
// animation
function animate( time ) {
	mesh.rotation.x = time / 2000;
	mesh.rotation.y = time / 1000;
	renderer.render( scene, camera );
}