Sorry Domino, but this would take worming to the extreme, and veer Soldat to a more butterfly shooter, which I don't want to think about.
The people using this and then wiggling up and down to dodge barrets/rugers would be nuts, it would give an edge to Autos which can easily adjust.
Then we have to deal with the "HIT" "No I jetted out of the way!" or "I shot you and you keep living you HAX".
As nice as it may seem, it would really complicate the game, and would be too much of a hassle to do for a nice little feature.