HeightDivisions = 16;
		const sphereGeo = new THREE.SphereGeometry( sphereRadius, sphereWidthDivisions, sphereHeightDivisions );
		const sphereMat = new THREE.MeshPhongMaterial( { color: '#CA8' } );
		const mesh = new THREE.Mesh( sphereGeo, sphereMat );
		mesh.castShadow = true;
		mesh.receiveShadow = true;
		mesh.position.set( - sphereRadius - 1, sphereRadius + 2, 0 );
		scene.add( mesh );

	}

	class ColorGUIHelper {

		constructor( object, prop ) {

			this.object = object;
			this.prop = prop;

		}
		ge