Chisel is an extension for Unity that allows for rapid, iterative, non destructive level editing!

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Notes:

• Chisel requires Unity 2020.2 or newer
• UX is still under development
• CSG algorithm is still under development
• It is not yet ready for production, but please feel free to try it out!

Known issues:

• Intersection vertices aren't yet merged between brushes, which can cause tiny gaps between polygons
• There are some cases where triangulation fails, possibly related to previous vertex merging issue (please collect failure cases so we can later verify we fixed them)
• Moving a brush using the inspector will not always update it's touching brushes
• Normal smoothing is not yet implemented

Packages overview:

• com.chisel.core Low-level API and functionality (based on DOTS technology)
• com.chisel.editor Unity Scene Editor functionality and API, tools and UI
• com.chisel.components Unity Monobehaviour runtime API (to allow for possible ECS replacement in future)
• com.scene.handles.extensions Custom scene handle extensions

The core technology is based on the algorithm explained in this GDC 2020 talk