void GenerateBall()
{
int note = GetNote();
ChordBall ball = Instantiate(_chordBallPrefab);
ball.SetGenerator(this);
ball.SetNote(note, _noteDur);
ball.transform.position = GetSpawnPos();
_balls.Add(ball);
}
public void RefreshNoteFromCurChord(ChordBall ball)
{
int note = GetNote();
ball.SetNote(note, _noteDur);
}
public void OnBallDone(ChordBall ball)
{
_balls.Remove(ball);
Destroy(ball.gameObject);
}