void DoRecordTime()
{
LastState = TimeControllState.Recording;
TraversalUnit(o => { o.Record(CurrentFrame); });
LastFrame = CurrentFrame++;
}
void DoRewindTime()
{
if (LastFrame < 0)
{
return;
}
TraversalUnit(o => { o.Rewind(LastFrame); });
LastFrame--;
LastState = TimeControllState.Rewinding;
}
void DoForwardTime()
{
// 前进不可以超过最高帧
if (LastFrame + 1 >= CurrentFrame)
{
return;
}
if (LastFrame < 0)
{
LastFrame = 0;
}
else
{
LastFrame++;
}
TraversalUnit(o => { o.Forward(LastFrame); });
LastState = TimeControllState.Forward;
}
void Start()
{
CurrentFrame = 0;
CurrentState = TimeControllState.Recording;
LastState = TimeControllState.Recording;
}