static/hdris/wide_street_01_2k.pmrem.ktx2'
				} ).onChange( () => {

					loadTexture( params.image );

				} );

				gui.add( params, 'exposure', 0, 2, 0.01 );

				gui.add( params, 'fov', 10, 100 ).onChange( () => {

					camera.fov = params.fov;
					camera.updateProjectionMatrix();

				} );

				gui.add( params, 'backgroundBlurriness', 0, 1, 0.01 ).name( 'background blurriness' );

				gui.open();

			}

			function onWindowResize() {

				const width = window.innerWidth;
				const height = window.inn