private void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("Player"))
        {
            if (currentIndex < musicTracks.Length - 1)
            {
                currentIndex++;
            }
            else
            {
                currentIndex = 0;
            }

            musicManager.ChangeBackgroundMusic(musicTracks[currentIndex], 0.5f);
        }
    }