Unity script for rotating a GameObjects transform to compass direction on a given axis

RotateAxisOnCompass.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class RotateAxisOnCompass : MonoBehavior
{
    enum Axis { x, y, z }
    [SerializeField] private Axis rotateAxis;
    [SerializeField] private float compassSmooth;
    private float lastMagneticHeading;
    private void Start()
    {
        Input.location.Start();
        Input.compass.enabled = true;
    }

    void Update()
    {   //do rotation based on compass
        float currentMagneticHeading = Mathf.Round(Input.compass.magneticHeading);

        if (lastMagneticHeading < currentMagneticHeading - compassSmooth || lastMagneticHeading > currentMagneticHeading + compassSmooth)
        {
            lastMagneticHeading = currentMagneticHeading;
            switch (rotateAxis)
            {
                case Axis.x:
                    transform.localRotation = Quaternion.Euler(lastMagneticHeading , 0 , 0);
                    break;
                case Axis.y:
                    transform.localRotation = Quaternion.Euler(0 , lastMagneticHeading, 0);
                    break;
                case Axis.z:
                    transform.localRotation = Quaternion.Euler(0 , 0, lastMagneticHeading);
                    break;
            }
        }
    }
}

//MIT License

//Copyright(c) 2019 Ryan Wilson

//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:

//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.

//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.