three.js/examples/jsm/environments/RoomEnvironment.js

/**
 * https://github.com/google/model-viewer/blob/master/packages/model-viewer/src/three-components/EnvironmentScene.ts
 */

import * as THREE from '../../../build/three.module.js';

function RoomEnvironment() {

	const scene = new THREE.Scene();

	const geometry = new THREE.BoxGeometry();
	geometry.deleteAttribute( 'uv' );

	const roomMaterial = new THREE.MeshStandardMaterial( { side: THREE.BackSide } );
	const boxMaterial = new THREE.MeshStandardMaterial();

	const mainLight = new THREE.PointLight( 0xffffff, 5.0, 28, 2 );
	mainLight.position.set( 0.418, 16.199, 0.300 );
	scene.add( mainLight );

	const room = new THREE.Mesh( geometry, roomMaterial );
	room.position.set( - 0.757, 13.219, 0.717 );
	room.scale.set( 31.713, 28.305, 28.591 );
	scene.add( room );

	const box1 = new THREE.Mesh( geometry, boxMaterial );
	box1.position.set( - 10.906, 2.009, 1.846 );
	box1.rotation.set( 0, - 0.195, 0 );
	box1.scale.set( 2.328, 7.905, 4.651 );
	scene.add( box1 );

	const box2 = new THREE.Mesh( geometry, boxMaterial );
	box2.position.set( - 5.607, - 0.754, - 0.758 );
	box2.rotation.set( 0, 0.994, 0 );
	box2.scale.set( 1.970, 1.534, 3.955 );
	scene.add( box2 );

	const box3 = new THREE.Mesh( geometry, boxMaterial );
	box3.position.set( 6.167, 0.857, 7.803 );
	box3.rotation.set( 0, 0.561, 0 );
	box3.scale.set( 3.927, 6.285, 3.687 );
	scene.add( box3 );

	const box4 = new THREE.Mesh( geometry, boxMaterial );
	box4.position.set( - 2.017, 0.018, 6.124 );
	box4.rotation.set( 0, 0.333, 0 );
	box4.scale.set( 2.002, 4.566, 2.064 );
	scene.add( box4 );

	const box5 = new THREE.Mesh( geometry, boxMaterial );
	box5.position.set( 2.291, - 0.756, - 2.621 );
	box5.rotation.set( 0, - 0.286, 0 );
	box5.scale.set( 1.546, 1.552, 1.496 );
	scene.add( box5 );

	const box6 = new THREE.Mesh( geometry, boxMaterial );
	box6.position.set( - 2.193, - 0.369, - 5.547 );
	box6.rotation.set( 0, 0.516, 0 );
	box6.scale.set( 3.875, 3.487, 2.986 );
	scene.add( box6 );


	// -x right
	const light1 = new THREE.Mesh( geometry, createAreaLightMaterial( 50 ) );
	light1.position.set( - 16.116, 14.37, 8.208 );
	light1.scale.set( 0.1, 2.428, 2.739 );
	scene.add( light1 );

	// -x left
	const light2 = new THREE.Mesh( geometry, createAreaLightMaterial( 50 ) );
	light2.position.set( - 16.109, 18.021, - 8.207 );
	light2.scale.set( 0.1, 2.425, 2.751 );
	scene.add( light2 );

	// +x
	const light3 = new THREE.Mesh( geometry, createAreaLightMaterial( 17 ) );
	light3.position.set( 14.904, 12.198, - 1.832 );
	light3.scale.set( 0.15, 4.265, 6.331 );
	scene.add( light3 );

	// +z
	const light4 = new THREE.Mesh( geometry, createAreaLightMaterial( 43 ) );
	light4.position.set( - 0.462, 8.89, 14.520 );
	light4.scale.set( 4.38, 5.441, 0.088 );
	scene.add( light4 );

	// -z
	const light5 = new THREE.Mesh( geometry, createAreaLightMaterial( 20 ) );
	light5.position.set( 3.235, 11.486, - 12.541 );
	light5.scale.set( 2.5, 2.0, 0.1 );
	scene.add( light5 );

	// +y
	const light6 = new THREE.Mesh( geometry, createAreaLightMaterial( 100 ) );
	light6.position.set( 0.0, 20.0, 0.0 );
	light6.scale.set( 1.0, 0.1, 1.0 );
	scene.add( light6 );

	function createAreaLightMaterial( intensity ) {

		const material = new THREE.MeshBasicMaterial();
		material.color.setScalar( intensity );
		return material;

	}

	return scene;

}

export { RoomEnvironment };