tk2dAtlas.MaxRectsBinPack.WastedBinArea C# (CSharp) Method

        public int WastedBinArea()
        {
            long usedSurfaceArea = 0;
            for (int i = 0; i < usedRectangles.Count; ++i)
                usedSurfaceArea += usedRectangles[i].width * usedRectangles[i].height;

            return (int)((long)(binWidth * binHeight) - usedSurfaceArea);
        }