public void Draw() { GL.LineWidth(3.0f); GL.Color3(Color.Blue.R, Color.Blue.G, Color.Blue.B); GL.Begin(PrimitiveType.LineLoop); foreach (MyVector3 vert in circlePoints3d) { GL.Vertex3(vert.ToArray()); } GL.End(); GL.PointSize(5.0f); GL.Begin(PrimitiveType.Points); GL.Vertex3(center.ToArray()); GL.PointSize(1.0f); GL.End(); }