/// <summary>
/// Returns the Rectangle that is the intersection of this rectangle with another. Returns null if there is no intersection
/// </summary>
/// <param name="rect"></param>
/// <returns></returns>
public Rectd Intersect(Rectd rect)
{
double x1 = X + Width;
double x2 = rect.X + rect.Width;
double y1 = Y + Height;
double y2 = rect.Y + rect.Height;
double xL = Math.Max(X, rect.X);
double xR = Math.Min(x1, x2);
if (xR <= xL)
{
return(null);
}
else
{
double yB = Math.Min(y1, y2);
double yT = Math.Max(Y, rect.Y);
if (yB <= yT)
{
return(null);
}
else
{
return(new Rectd(xL, yT, xR - xL, yB - yT));
}
}
}
/// <summary>
/// Returns the Rectangle that is the intersection of this rectangle with another. Returns null if there is no intersection
/// </summary>
/// <param name="rect"></param>
/// <returns></returns>
public Recti Intersect(Rectd rect)
{
int x1 = X + Width;
int x2 = (int)Math.Round(rect.X + rect.Width);
int y1 = Y - Height;
int y2 = (int)Math.Round(rect.Y - Height);
int xL = (int)Math.Round(Math.Max(X, rect.X));
int xR = Math.Min(x1, x2);
if (xR <= xL)
{
return(null);
}
else
{
int yT = (int)Math.Max(Y, rect.Y);
int yB = (int)Math.Round((double)Math.Min(y1, y2));
if (yB <= yT)
{
return(null);
}
else
{
return(new Recti(xL, yT, xR - xL, yB - yT));
}
}
}