Opengl object extrusion

Question

I\'ve got a 3d box drawn in opengl, can someone explain how to extrude objects in opengl? do i just translate further back in the z axis for each box?

Answer 1

how to extrude objects in opengl

You don't. OpenGL is a drawing API, not a geometry processing library. Look at libraries like GTS http://gts.sourceforge.net/