der.add(params, 'strength', 0.001, 0.1, 0.001);
		const waterFolder = gui.addFolder('water');
		waterFolder.addColor(water.material, 'diffuse');
		waterFolder
			.add(water.material, 'clearcoat', 0, 1, 0.001)
			.onChange(() => water.material.needsUpdate = true);
		waterFolder.add(water.material, 'clearcoatRoughness', 0, 1, 0.001);
		waterFolder.add(water.material, 'metalness', 0, 1, 0.001);
		waterFolder.add(water.material, 'roughness', 0, 1, 0.001);
		waterFolder.add(water.material, 'opacity', 0, 1, 0.001