/// <summary>
/// Calculates the percentage of intersection of a rectangle.
/// </summary>
/// <param name="intersectingRect">The intersecting rectangle.</param>
/// <returns>The percentage of intersection.</returns>
public static double CalculateIntersectPercentage(this Rectangle rect, Rectangle intersectingRect)
{
if (rect.IsEmpty || intersectingRect.IsEmpty)
{
return(0);
}
Rectangle intersection = rect.CalculateIntersection(intersectingRect);
return((intersection.Size.Width * intersection.Size.Height) / (rect.Size.Width * rect.Size.Height));
}
