Hi, first time posting here.
I have a "Sandbox" scene where I need the grains and Packed Rbds to mutually effect each other. So initially I thought that having both the grain setup and the rigids merged with collide relationship set to "mutual". The Packed Rbds effect the grains but the Rbds just sink to the floor of the sandbox. I have tried a bunch of workarounds but no success. I tried old-school non packed rbds with bullet an/or rbd solver. So I'm open to ideas on what to try next. Ideally I want to have the Rbds sit on and inside the sand and flow as they get pushed around by a larger collision object.
Thanks in advance for any help