void Update()
{
if (!IsStart && _isStop)
{
return;
}
dTime += Time.deltaTime;
if (stepTime < dTime)
{
dTime -= stepTime;
CurPos = MySpace.CalcPos(CurPos, CurSpeed, stepTime);
CurSpeed = MySpace.CalcSpeed(CurSpeed, stepTime);
NextRender();
}
}