.sin( lightTime * 0.3 ) * 3;
				light4.position.y = Math.cos( lightTime * 0.7 ) * 4;
				light4.position.z = Math.sin( lightTime * 0.5 ) * 3;
				/*
				@TODO: Used to test scene light change ( currently unavailable )

				if ( time > 2.0 && light1.parent === null ) scene.add( light1 );
				if ( time > 2.5 && light2.parent === null ) scene.add( light2 );
				if ( time > 3.0 && light3.parent === null ) scene.add( light3 );
				if ( time > 3.5 && light4.parent === null ) scene.add( light4 );
				*/
				rende