The permanent floating accessibility menu is irritating. I'm reading this on a phone, and it's very difficult to not have it cover text.

I recently realized that while I knew we had invented something new in the 90s, and kept it close to our chest, it was actually probably a VERY long time before anyone else ever reinvented screen-space reflections.

LONG article, with source code and graphics references.

Disclosure: Yes, I did use AI tools to help me write this, especially to author the diagrams and to explain some things and find references that frankly, it did a better job than I could on. The content is mine and human, just like the original algorithms. This article is the product of several weeks of research, digging and writing work on and off, so it's not a one-shot "slop" product.