public override double GetValueAt(int time)
{
if (time < start || time >= start + length)
{
return(0);
}
else if (time < origin.GetLength() && time >= 0)
{
return(origin.GetValueAt(time));
}
else
{
return((time < 0) ? -(time % length) : origin.GetLength() - 1 - (time - origin.GetLength()) % length);
}
}
public override double GetValueAt(int time)
{
return(origin.GetValueAt(time) * filter(time));
}
