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