There are two other small ray tracers that can be examined. Both are winners of the International Obfuscated C Code Contest. Matt Zucker won in 2011 and Ander

There are two other small ray tracers that can be examined. Both are winners of the International Obfuscated C Code Contest. Matt Zucker won in 2011 and Anders Gavare won in 2004. They can be found here, http://www.ioccc.org/years-spoiler.html http://www.ioccc.org/years-spoiler.html (The 22nd IOCCC is open for entries until 2013-Oct-03)