I modified a headcrab (made a facehugger) it does the walking animation just right, but the monster doesn't move. He can attack (jump), but not "walk". What am I missing here?
$sequence "idle1" "idle1" fps 20 loop ACT_IDLE 15
$sequence "idle2" "idle2" fps 20 ACT_IDLE 1
$sequence "idle3" "idle3" fps 20 ACT_IDLE 1
$sequence "walk" "walk" LX fps 30 loop ACT_WALK 1
$sequence "run" "run" LX fps 60 loop ACT_RUN 1