Use the arrow keys to move around.
PG UP & PG DOWN changes height
‘i‘ = move forward
‘k‘ = move backward
‘j‘ = move left
‘l‘ = move right
‘q‘ = move up
‘a‘ = move down
‘w‘ = look up
‘s‘ = look down
(If the keyboard is not responding, then the applet has probably lost focus, click inside the applet to regain focus.)
This applet programmed by F. Permadi, 1996
Anderson, Greg, et al. More Tricks of the Game Programming Gurus. Indianapolis, Sams Publishing, 1995.
LaMothe, Andre. Black Art of 3D Game Programming . Corte Madera, CA: Waite Group Press, 1995.
Foley, James D.,et al. Computer Graphics: Principles and Practice. 2nd ed. New York: Addison Wesley, 1995.