Some things from my notes that I've been thinking about lately - unfinished, unpolished, but perhaps interesting. It appears that there are only about four kinds of footwork – the opponent can:
- scoot toward me
- scoot away from me
- step toward me
- step away from me
If he tries to sidestep or circle and I open or close the distance between us then he reverts to those previous four.
In self-defense, only "toward me" motion matters. He can't really hurt me running away from me (disregarding weapons) and if I hit him when he is going away it is probably not self-defense, it is probably pre-emptive or revenge.