Oh, that could be the problem... Thank you fogman, it actually drops down when I crawl in the bushes... And when I'm close to the trees. About you guys telling me that it's something wrong with the script from my side, it works perfect without trees and bushes, so I don't think that this could be the problem, as well, I use only two traces and two c_moves... So I doubt that problem is with script from my side.