I haven’t built something like that before so I don’t have concrete suggestions for you. But you should be able to pass in collision information to control rig from AnimBP, do some math and feed the proper inputs into a deformer. The main goal of integrating deformer graph into control rig is so that people can more easily prototype custom deformation system like what you are proposing here inside the editor directly. Look forward to seeing what you come up with!
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