If you had explained that in the first place, you would probably get more replies!!!
OK, how about this - say you can climb down if you collide with ladder, or your position + 1 pixel down collides with ladder. can climb up if collide ladder or your pos+1 pixel up collides ladder.
OK, how about this - say you can climb down if you collide with ladder, or your position + 1 pixel down collides with ladder. can climb up if collide ladder or your pos+1 pixel up collides ladder.