void FixedUpdate()
{
if (running)
{
t += Time.fixedDeltaTime;
if (t > rBPM)
{
if (onBeat != null)
{
onBeat();
}
melody.DoNote();
synth.DoNote();
drums.DoNote();
t -= rBPM;
if (BPM != oldBPM)
{
rBPM = 60f / BPM;
oldBPM = BPM;
}
}
}
}