er('Details');
		detailFolder.add(spotLight, 'decay', 0, 4, 0.01);
		detailFolder.add(spotLight, 'distance', 1, 500, 0.1);
		detailFolder.add(spotLight, 'penumbra', 0, 1, 0.01);
		detailFolder.add({ angle: 30 }, 'angle', 0, 90).onChange(function(value) { spotLight.angle = value / 180 * Math.PI });
		detailFolder.close();
		const shadowFolder = gui.addFolder('Shadow');
		shadowFolder.add(spotLight, 'castShadow').name('enable');
		shadowFolder.add(scene, 'disableShadowSampler');
		const shadowTypes = ['hard',