private Point GetCenterPoint(MinimumUnit unit)
{
#if DEBUG
// crash it in debug build to make sure all the caller never pass null and find the caller pass null into this function
System.Diagnostics.Debug.Assert(unit != null);
#endif
int centerX = unit.GetRealUpLeft().X + unit.GetRealUpRight().X + unit.GetRealDownRight().X + unit.GetRealDownLeft().X;
int centerY = unit.GetRealUpLeft().Y + unit.GetRealUpRight().Y + unit.GetRealDownRight().Y + unit.GetRealDownLeft().Y;
return(new Point(centerX / 4, centerY / 4));
}
private Tuple <int, int> GetMinMaxY(MinimumUnit unit)
{
#if DEBUG
// crash it in debug build to make sure all the caller never pass null and find the caller pass null into this function
System.Diagnostics.Debug.Assert(unit != null);
#endif
int lowY = Math.Min(unit.GetRealUpRight().Y, unit.GetRealUpLeft().Y);
int highY = Math.Max(unit.GetRealDownRight().Y, unit.GetRealDownLeft().Y);
return(new Tuple <int, int>(lowY, highY));
}
