3D viewport in opengl

Hello everyone,
I would like to share with you my last effort , It is a 3D viewport dont in cpp and opengl.


Here is a demo of it :

I also wrote a blog post about it if you want more details and a bit of explanation of the different
steps, here is the link :
http://www.marcogiordanotd.com/blog/c/opengl-3d-viewport-let-fun-begin

Alright that s it for now folks, any comment or critique appreciated.
Cheers
M.

WOW! This is pretty cool man. I wish I had some time to go through this process.

Thanks for sharing,
-Nick