AcManager.Controls.OxyPlotGraphViewer.CanonicalSplineHelper.Segment C# (CSharp) Method

            private static void Segment(IList<ScreenPoint> points, ScreenPoint pt0, ScreenPoint pt1, ScreenPoint pt2, ScreenPoint pt3, double tension,
                    double tolerance) {
                var num1 = tension * (pt2.X - pt0.X);
                var num2 = tension * (pt2.Y - pt0.Y);
                var num3 = tension * (pt3.X - pt1.X);
                var num4 = tension * (pt3.Y - pt1.Y);
                var num5 = num1 + num3 + 2.0 * pt1.X - 2.0 * pt2.X;
                var num6 = num2 + num4 + 2.0 * pt1.Y - 2.0 * pt2.Y;
                var num7 = -2.0 * num1 - num3 - 3.0 * pt1.X + 3.0 * pt2.X;
                var num8 = -2.0 * num2 - num4 - 3.0 * pt1.Y + 3.0 * pt2.Y;
                var num9 = num1;
                var num10 = num2;
                var x = pt1.X;
                var y = pt1.Y;
                var num11 = (int)((Math.Abs(pt1.X - pt2.X) + Math.Abs(pt1.Y - pt2.Y)) / tolerance);
                for (var index = 1; index < num11; ++index) {
                    var num12 = index / (double)(num11 - 1);
                    var screenPoint = new ScreenPoint(num5 * num12 * num12 * num12 + num7 * num12 * num12 + num9 * num12 + x,
                            num6 * num12 * num12 * num12 + num8 * num12 * num12 + num10 * num12 + y);
                    points.Add(screenPoint);
                }
            }
        }