three.js dev template - module

CSS

body {
	margin: 0;
}

JavaScript

import * as THREE from 'https://cdn.jsdelivr.net/npm/three@0.117.1/build/three.module.js';

import { OrbitControls } from 'https://cdn.jsdelivr.net/npm/three@0.117.1/examples/jsm/controls/OrbitControls.js';
import { GLTFLoader } from 'https://cdn.jsdelivr.net/npm/three@0.117.1/examples/jsm/loaders/GLTFLoader.js';
import { RGBELoader } from 'https://cdn.jsdelivr.net/npm/three@0.117.1/examples/jsm/loaders/RGBELoader.js';

var container, controls;
var camera, scene, renderer;

init();
render();

function init() {

	container = document.createElement( 'div' );
	document.body.appendChild( container );

	camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
	camera.position.set( - 1.8, 0.6, 2.7 );

	scene = new THREE.Scene();

	new RGBELoader()
		.setDataType( THREE.UnsignedByteType )
		.setPath( 'https://threejs.org/examples/textures/equirectangular/' )
		.load( 'royal_esplanade_1k.hdr', function ( texture ) {

		var envMap = pmremGenerator.fromEquirectangular( texture ).texture;

		scene.background = envMap;
		scene.environment = envMap;

		texture.dispose();
		pmremGenerator.dispose();

		render();

		// model
		
		var dummy = new THREE.Object3D();

		var loader = new GLTFLoader().setPath( 'https://threejs.org/examples/models/gltf/DamagedHelmet/glTF/' );
		loader.load( 'DamagedHelmet.gltf', function ( gltf ) {	

			gltf.scene.traverse( function ( child ) {

				if ( child.isMesh ) {
				
					var instancedMesh = new THREE.InstancedMesh( child.geometry, child.material, 1 );
					instancedMesh.setMatrixAt( 0, dummy.matrix );
					scene.add( instancedMesh );

				}

			} );

			//scene.add( gltf.scene );

			render();

		} );

	} );

	renderer = new THREE.WebGLRenderer( { antialias: true } );
	renderer.setPixelRatio( window.devicePixelRatio );
	renderer.setSize( window.innerWidth, window.innerHeight );
	renderer.toneMapping = THREE.ACESFilmicToneMapping;
	renderer.toneMappingExposure = 1;
	renderer.outputEncoding =...