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public/sdk/three/jsm/environments/RoomEnvironment.js

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+/**
+ * https://github.com/google/model-viewer/blob/master/packages/model-viewer/src/three-components/EnvironmentScene.ts
+ */
+
+import {
+ 	BackSide,
+ 	BoxGeometry,
+ 	Mesh,
+	MeshBasicMaterial,
+ 	MeshStandardMaterial,
+ 	PointLight,
+ 	Scene,
+} from 'three';
+
+class RoomEnvironment extends Scene {
+
+	constructor( renderer = null ) {
+
+		super();
+
+		const geometry = new BoxGeometry();
+		geometry.deleteAttribute( 'uv' );
+
+		const roomMaterial = new MeshStandardMaterial( { side: BackSide } );
+		const boxMaterial = new MeshStandardMaterial();
+
+		let intensity = 5;
+
+		if ( renderer !== null && renderer._useLegacyLights === false ) intensity = 900;
+
+		const mainLight = new PointLight( 0xffffff, intensity, 28, 2 );
+		mainLight.position.set( 0.418, 16.199, 0.300 );
+		this.add( mainLight );
+
+		const room = new Mesh( geometry, roomMaterial );
+		room.position.set( - 0.757, 13.219, 0.717 );
+		room.scale.set( 31.713, 28.305, 28.591 );
+		this.add( room );
+
+		const box1 = new 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 );
+		this.add( box1 );
+
+		const box2 = new 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 );
+		this.add( box2 );
+
+		const box3 = new 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 );
+		this.add( box3 );
+
+		const box4 = new 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 );
+		this.add( box4 );
+
+		const box5 = new 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 );
+		this.add( box5 );
+
+		const box6 = new 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 );
+		this.add( box6 );
+
+
+		// -x right
+		const light1 = new Mesh( geometry, createAreaLightMaterial( 50 ) );
+		light1.position.set( - 16.116, 14.37, 8.208 );
+		light1.scale.set( 0.1, 2.428, 2.739 );
+		this.add( light1 );
+
+		// -x left
+		const light2 = new Mesh( geometry, createAreaLightMaterial( 50 ) );
+		light2.position.set( - 16.109, 18.021, - 8.207 );
+		light2.scale.set( 0.1, 2.425, 2.751 );
+		this.add( light2 );
+
+		// +x
+		const light3 = new Mesh( geometry, createAreaLightMaterial( 17 ) );
+		light3.position.set( 14.904, 12.198, - 1.832 );
+		light3.scale.set( 0.15, 4.265, 6.331 );
+		this.add( light3 );
+
+		// +z
+		const light4 = new Mesh( geometry, createAreaLightMaterial( 43 ) );
+		light4.position.set( - 0.462, 8.89, 14.520 );
+		light4.scale.set( 4.38, 5.441, 0.088 );
+		this.add( light4 );
+
+		// -z
+		const light5 = new Mesh( geometry, createAreaLightMaterial( 20 ) );
+		light5.position.set( 3.235, 11.486, - 12.541 );
+		light5.scale.set( 2.5, 2.0, 0.1 );
+		this.add( light5 );
+
+		// +y
+		const light6 = new Mesh( geometry, createAreaLightMaterial( 100 ) );
+		light6.position.set( 0.0, 20.0, 0.0 );
+		light6.scale.set( 1.0, 0.1, 1.0 );
+		this.add( light6 );
+
+	}
+
+	dispose() {
+
+		const resources = new Set();
+
+		this.traverse( ( object ) => {
+
+			if ( object.isMesh ) {
+
+				resources.add( object.geometry );
+				resources.add( object.material );
+
+			}
+
+		} );
+
+		for ( const resource of resources ) {
+
+			resource.dispose();
+
+		}
+
+	}
+
+}
+
+function createAreaLightMaterial( intensity ) {
+
+	const material = new MeshBasicMaterial();
+	material.color.setScalar( intensity );
+	return material;
+
+}
+
+export { RoomEnvironment };