Introduction - If you have any usage issues, please Google them yourself
/* Figure.c /* /* E. Angel, Interactive Computer Graphics*//* A Top-Down Approach with OpenGL, Third Edition*//* Addison-Wesley Longman, 2003*//* Interactive Figure Program from Chapter 8 using cylinders (quadrics)*//* Style similar to robot program but here we must traverse tree to display*//* Cylinders are displayed as filled and light/material properties*//* are set as in sphere approximation program* /