ref: acad4d590f4d8484a9e5ec692bc57dc3dddacd8e
dir: /qw/docs/move.txt/
dead state flag for no user input floor = under feet test onground? feet = wading test waist = swimming test head = submerged test if ( floor == solid) if (head == water) friction = 0.8; else if (waist == water) friction = else if (feet == water) friction = else friction = walk code return; if (floor == water) if (head == water) total underwater if (waist == water) treading water drifting down if (floor == air) falling