MissionPlanner.GridUIv2.getAngleOfLongestSide C# (CSharp) Method

        double getAngleOfLongestSide(List<PointLatLng> list)
        {
            if (list.Count == 0)
                return 0;
            double angle = 0;
            double maxdist = 0;
            PointLatLngAlt last = list[list.Count - 1];
            foreach (PointLatLngAlt item in list)
            {
                 if (item.GetDistance(last) > maxdist) 
                 {
                     angle = item.GetBearing(last);
                     maxdist = item.GetDistance(last);
                 }
                 last = item;
            }

            return (angle + 360) % 360;
        }