Pathfinding.BBTree.RectArea C# (CSharp) Method

		public float RectArea (Rect r) {
			return r.width*r.height;
		}
		

        private static int ExpansionRequired(IntRect r, IntRect r2)
        {
            int num  = Math.Min(r.xmin, r2.xmin);
            int num2 = Math.Max(r.xmax, r2.xmax);
            int num3 = Math.Min(r.ymin, r2.ymin);
            int num4 = Math.Max(r.ymax, r2.ymax);

            return((num2 - num) * (num4 - num3) - BBTree.RectArea(r));
        }