Gyroscope

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Gyroscope : MonoBehaviour {

    private bool gyroEnabled;
    private UnityEngine.Gyroscope gyro;
    private Compass compa;
    private GameObject cameraContainer;
    private Quaternion rot;

    private void Start(){
        cameraContainer = new GameObject("Camera Container");
        cameraContainer.transform.position = transform.position;
        transform.SetParent(cameraContainer.transform);

        gyroEnabled = EnableGyro();
        Input.compass.enabled = true;
    }

    private bool EnableGyro(){
        if(SystemInfo.supportsGyroscope){
            gyro = Input.gyro;
            gyro.enabled = true;

            cameraContainer.transform.rotation = Quaternion.Euler(90f, 90f, 0f);
            rot = new Quaternion(0,0,1,0);

            return true;
        }
        return false;
    }

    private void Update(){
        if(gyroEnabled){
            transform.localRotation = gyro.attitude * rot;
        }
        /* Let's go set up Input for Android without Gyroscope Technologie ! */
        else if(!gyroEnabled){
            ActiveCompass();
        }
    }

    private void ActiveCompass(){
        transform.rotation = Quaternion.Slerp(transform.rotation,
        Quaternion.Euler(0,Input.compass.magneticHeading, 0), Time.deltaTime*2);
    }

    private void OnGUI(){
        GUI.TextArea(new Rect(100,0,100,100), Input.compass.magneticHeading.ToString());
    }
}