I saw this post and it gave me horrible flashbacks back to Computer Graphics class back in undergrad. We had to build our own simple ray tracer from scratch. T

I saw this post and it gave me horrible flashbacks back to Computer Graphics class back in undergrad. We had to build our own simple ray tracer from scratch. Those were some long, long all-nighters. I learned the hard way that you have to offset the rays ever, ever so slightly or you get some super bizarre effects that drove me crazy... looking through other posts, there were definitely few or no tutorials back then, sigh. Now I'm a UX engineer in health tech ;)