// Update is called once per frame
 void Update()
 {
     if (transform.rotation.x <= 90 && transform.rotation.x >= 89)
     {
         night = true;
         if (night && transform.rotation.x <= 89)
         {
             night = false;
             AIManager.IsNight();
             AudioManager.bgmPlay(0);
         }
     }
     if (transform.rotation.x >= 0 && transform.rotation.x <= 1)
     {
         day = true;
         if (day && transform.rotation.x <= 89)
         {
             day = false;
             AudioManager.bgmPlay(1);
         }
     }
     //Checks if the day/night cycle is paused.
     if (!Pause)
     {
         //Rotates to the right. To do one full rotation it takes the timer time.
         transform.RotateAround(Vector3.zero, Vector3.right, (360f / timer) * Time.deltaTime);
     }
 }