3DSurfacePlusSinus.zip_Opengl 3D Surface_spline surface_surface

It is a Visual C++ 6.0 (and above) source code to draw 3D funnel and sinus spline on it surface on canvas using ONLY mathematical functions and WinApi. No OpenGl fuctions are used. So you can understand internal mathematical apparatus. Use mouse Right and Left buttons to rotate and ZoomIn ZoomOut 3D surface.