Hey HN! I'm looking for books on programming curves, key frames, brushes, rigging systems, etc. My google-foo seems to have failed me here. I've found some rea

Hey HN! I'm looking for books on programming curves, key frames, brushes, rigging systems, etc. My google-foo seems to have failed me here. I've found some reasonable blog posts, but am looking for something slightly more technical and in depth.