Not quite.
You can toggle root motion and rotate the root bone to donit from inside an animation.
The rotation of the mesh however, is predicated to that of the root bone regadless, so you can rotate the root bone and achieve the same goal.
Basic trig.
Line trace impact normal, and actor backwards (not forwards, in fact, just use the socket if you don’t rotate the mesh) vectors are the 2 sides of a rectangle.
Calculate the acute angle…