The floor component creates a rigid surface in the xy plane. How to use the same function for some other plane, say yz plane which can be used as a wall?
Actually I did need this myself some time ago. I wrote an adaption of the floor goal that just keeps given points above a given input plane.
See this C# UserObject: AbovePlane.ghuser (3.6 KB)
Code is also here: AbovePlane.cs gist
Hope this helps 
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