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Bump

Bump ! I'm really hoping for an answer since resources for what i want to do are nonexistent.

Hello I'm a student in CG arts and this is my first attempt at using Houdini, so I've been stuck for the past few day with a issue in my simulation, I'm basically attempting to make an asteroid punch a hole through a building without collapsing the entire building but every time I'm doing the simulation no matter what the building starts to fly along with the debris and I cant seem to figure a way to glue it to the ground I've attempted multiple variations of glue constraint or pin constraint but to no avail. So I'm hoping someone could take a look at my scene and help me figure this out.

I've included the files in this dropbox link : https://www.dropbox.com/sh/k4lz2rw0settjgg/ryzKoRbtTz [dropbox.com]