ex34: Lighting with Simple Shadows

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

Demonstrate shadows on a flat surface.

Key bindings
  p/P        Toggle between orthogonal/perspective projection
  s/S        Start/stop light movement
  +/-        Lower/rise light
  x          Toggle axes
  arrows     Change view angle
  PgDn/PgUp  Zoom in and out
  0          Reset view angle
  ESC        Exit
