ex7: Visibility

Willem A. (Vlakkies) Schreuder
CSCI4229/5229 Fall 2019

Demonstrate hidden surface algorithms using cuboids.

Key bindings
  m/M    Cycle hidden surface modes
  n/N    Cycle number of cubes
  r/R    Reverse directon on magenta vace
  a      Toggle axes
  arrows Change view angle
  0      Reset view angle
  ESC    Exit
