SAND CRUISER Playtest

Update 0.21.0 — Hits that finally look and sound different, plus a performance p

The big two this time: hits that finally tell you what they landed on, and a solid framerate pass. Plus a couple of fixes you asked for. Saves from 0.20.1 still load. New Hits look and sound different depending on what they land on. A round striking sand, a cruiser's armor platin