ex33: Utah Teapot

Willem A. (Vlakkies) Schreuder
CSCI4229/5229 Summer 2021

Demonstrates drawing an objects using bezier patches.
Note:  This is not done efficiently, the
idea is to make it understandable

Key bindings
  m/M        Cycle through display modes
  o/O        Cycle through parts
  c/C        Toggle control points
  r/R        Toggle reflections
  s/S        Toggle lid size
  +/-        Increase/decrease number of slices
  []         Decrease/increase light elevation
  a          Toggle axes
  arrows     Change view angle
  PgDn/PgUp  Zoom in and out
  0          Reset view angle
  ESC        Exit
