The Hacks of Life

I have discovered through experimentation that NVidia's technique for self-shadowing particle volumes (found here ) doesn't work wel...

A while ago I posted this convoluted mess of recipes for blending back to front and front to back. I've had some time to revisit the c...

I realized today that premultiplied alpha could fix a nasty artifact that we sometimes get in X-Plane: "tree ring".* The bug is th...

We have a handful of linear algebra/geometry routines in X-Plane that simplify writing geometric tests. In their heart, they almost all tur...

This bug has effected X-Plane 8 and 9; we were able to recut 9 to work around it, but X-Plane 8 is a closed product. Here's the short...

I was debugging a threading bug and something truly bizarre happened to me: I was printing variables and when I went back to re-print a vari...

A while ago I finally wrapped my head around this, and wrote a three part post trying to explain why you never get double-buffered behavi...