public static float Index(this Vector2 v, int index)
        {
            switch (index)
            {
                case 0: { return v.X; }
                case 1: { return v.Y; }

                default:
                    {
                        // This is unsafe code BUT it is useful for debugging
                        throw new ArgumentOutOfRangeException(
                            "Vector component index out of range"
                        );
                    }
            }
        }

            for (int i = 0; i < 2; ++i)
            {
                // Accessing Index value works fine
                v = point.Index(i);
                v = Math.Max(v, min.Index(i));
                v = Math.Min(v, max.Index(i));

                // Setting Index value is not possible
                q.Index(i) = v;
            }

        public static void SetIndex(this Vector2 v, int index, float value)        {            switch (index)            {                case 0:                     {                         v.X = value;                        break;                    }                case 1:                     {                         v.Y = value;                        break;                    }                default:                    {                        // This is unsafe code BUT it is useful for debugging                        throw new ArgumentOutOfRangeException(                            "Vector component index out of range"                        );                    }            }        }

            for (int i = 0; i < 2; ++i)            {                // Find distance intervals for current two slabs                // Distance is between slab min/max values                float d_S0 = a.MinPoint.Index(i) - b.MaxPoint.Index(i);                float d_S1 = b.MinPoint.Index(i) - a.MaxPoint.Index(i);                // The distance is positive if the intervals do not overlap                // Must be >= to 0 and not > 0, otherwise MTV can equal Vector2.Zero and cause NaN                if (d_S0 >= 0f || d_S1 >= 0f)                {                    return false;                }                // Current distance interval for slabs                float d = (d_S0 > d_S1) ? -d_S0 : d_S1;                // If d is the smallest distance so far                if (Math.Abs(d) < Math.Abs(mtv_Distance))                {                    // Store the distance and the current axis                    mtv_Distance = d;                    mtv_Axis = i;                }            }