// Use this for initialization
void Start()
{
secPerBeat = 60f / song_note.GetBpm();
dspTimeSong = (float)AudioSettings.dspTime;
BeatAdvance = 4f;
velocity = 28.0f / BeatAdvance * (1.0f * song_note.GetBpm() / 60.0f);
// Debug.Log(dspTimeSong);
//开始播放音乐
GetComponent <AudioSource>().Play();
}