Creating new forces

Hi!

I have following use case: some nodes need to be presented on the left/right/top/bottom of another, i.e. I need to apply some constant force to some groups of nodes. E.g. so some node will always happen to be above any other connected node rather than in random direction.

Is it possible to add new kinds of forces to simulation?

No file, test, or entry point is identified in the issue. First locate where the simulation's forces are defined and determine whether a force-extension mechanism is documented; done would require a decided design for directional or grouped forces and a clear validation approach.

Written by the indexing model from the issue text.