You can now animate RPCs with Bongo 2 WIP and Rhino 5 WIP.
http://download.mcneel.com/bongo/2.0/wip
http://download.rhino3d.com/rhino/5.0/wip/
Note – Renderers supporting the technology at the moment:
To add the Bongo animation data to the RPC you need to type in the following command: RpcSetAnimationFrame
Return to Bongo 2 FAQ