Comments and answers for "Cut a hole in geometry similar to UDK/bsp?"
http://answers.unity.com/questions/1128717/cut-a-hole-in-geometry-similar-to-udkbsp.html
The latest comments and answers for the question "Cut a hole in geometry similar to UDK/bsp?"Answer by logicalerror
http://answers.unity.com/answers/1296463/view.html
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.htmlMon, 09 Jan 2017 13:44:13 GMTlogicalerrorComment by Bunny83 on Bunny83's answer
http://answers.unity.com/comments/1128733/view.html
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.Sun, 17 Jan 2016 23:31:20 GMTBunny83Answer by Bunny83
http://answers.unity.com/answers/1128731/view.html
Look up [Constructive Solid Geometry (CSG)][1]. 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:
- [http://forum.unity3d.com/threads/constructive-solid-geometry-csg-in-unity.125861/][2]
- [https://github.com/omgwtfgames/csg.cs][3]
- [https://www.reddit.com/r/Unity3D/comments/31jsfn/pb_csg_a_free_boolean_operations_csg_library_for/][4]
[1]: https://en.wikipedia.org/wiki/Constructive_solid_geometry
[2]: http://forum.unity3d.com/threads/constructive-solid-geometry-csg-in-unity.125861/
[3]: https://github.com/omgwtfgames/csg.cs
[4]: https://www.reddit.com/r/Unity3D/comments/31jsfn/pb_csg_a_free_boolean_operations_csg_library_for/Sun, 17 Jan 2016 23:27:35 GMTBunny83