----------------------------- This is a educational project based on Kevin Suffern's book: "Ray Tracing from the Ground Up" (http://www.raytracegroundup.com/index.html) The code is for non-commercial use only and is licensed under the GNU General Public License Version 2. Most of this code is straight from the text and I do not claim it as my own. Though I have modified/formatted alomost all of it to my liking. For more information, or to look at some of my other current projects, visit my site at www.michaelstaub.com -----------------------------