Being able to isolate a certain part of a mesh, say a building, with a bounding box and only the part of the mesh within the building will be affected by DMM. Which will speed up calculation time as well as allow for smaller details within the effect. So if I want to destroy floors 34-42 or whatever but nothing above or below, I can, and it will only calculate that area.

maybe I should have put this in the Feature Request section, oops sorry.