With all the excitement with what Nvidia is doing, I thought I'd share this app I wrote a couple years ago.<p>This is a real time ray tracer for iPhones. Complete with global illumination, multiple material effects, and ability to customize and reposition the scene, all running real time at 30 FPS.<p>iTunes Download Link: <a href="https://itunes.apple.com/us/app/real-time-path-tracer/id1090761030?mt=8" rel="nofollow">https://itunes.apple.com/us/app/real-time-path-tracer/id1090...</a><p>Source is here: <a href="https://github.com/drewying/PathTracer-iOS" rel="nofollow">https://github.com/drewying/PathTracer-iOS</a>