BEPUutilities.ConvexHullHelper.GetExtremePoints C# (CSharp) Method

        private static void GetExtremePoints(ref Vector3 direction, RawList<Vector3> points, out float maximumDot, out float minimumDot, out int maximumIndex, out int minimumIndex)
        {
            maximumIndex = 0;
            minimumIndex = 0;

            float dot;
            Vector3.Dot(ref points.Elements[0], ref direction, out dot);
            minimumDot = dot;
            maximumDot = dot;
            for (int i = 1; i < points.Count; ++i)
            {
                Vector3.Dot(ref points.Elements[i], ref direction, out dot);
                if (dot > maximumDot)
                {
                    maximumDot = dot;
                    maximumIndex = i;
                }
                else if (dot < minimumDot)
                {
                    minimumDot = dot;
                    minimumIndex = i;
                }
            }
        }