: mouse-moved ( x-radians y-radians jamshred -- )
jamshred-player -rot turn-player ;
-: units-per-full-roll ( -- n ) 50 ;
+CONSTANT: units-per-full-roll 50
: jamshred-roll ( jamshred n -- )
[ jamshred-player ] dip 2 pi * * units-per-full-roll / roll-player ;