Cut a hole in geometry similar to UDK/bsp?

Question

Unity is great but one very useful feature would be the ability to cut a hole into basic geometry for grayboxing, similar to how it works in UDK with BSP geometry to quickly carve into an existing level while designing.

Is there a way to do this in Unity without coding? Again, similar to UDK.

Answer 1

Answer by Bunny83 · Jan 17, 2016 at 11:27 PM

Look up Constructive Solid Geometry (CSG). It's what most of those editors use. I don't really know the Unreal editor (just a bit the old UnrealEd from the first Unreal ^^), but i know that Valves Hammer editor (formally Worldcraft) partially uses CSG brushes for some features.

Here are some CSG approaches in Unity:

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Bunny83 · Jan 17, 2016 at 11:31 PM 0

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That said i should add that CSG is not as easy to calculate as it is to work with. Most such libraries have their limitations and can even produce errors in the geometry.

Answer 2

Answer by logicalerror · Jan 09, 2017 at 01:44 PM

You might be interested in https://www.assetstore.unity3d.com/en/#!/content/69542 which is an UDK like (brush based CSG) level design tool. There's an evaluation version available here https://logicalerror.github.io/evaluate.html

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Cut a hole in geometry similar to UDK/bsp?

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