[net.sources] basic ray tracing: part 9

fritzz@net1.UCSD.EDU (Friedrich Knauss) (07/26/86)

 I have, one day after posting the source, come up with the proper
 refraction algorithm for my ray tracing program. (It *always* happens)
 send me mail if you would like instructions and code for the fix.

 f  ( fritzz@net1  ||  ...!sdcsvax!net1!fritzz )