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

• Click here for information on how to get started
• Want to help out? We have some good first issues here
• If you have questions be sure to ask in the discord! Click here for to join the official Discord server!

Notes:

• Chisel requires Unity 2020.2a17 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, or better yet, help out!

Planned Features (in random order):

• Debug Visualizations
• Double sided surfaces
• Normal smoothing
• Hotspot mapping
• Clip Tool
• Subtractive Workflow
• Extrusion from existing surface
• Sub-Models

Known issues:

• Extrusion generator is glitchy due to problems with convex decomposition code
• There are some cases where triangulation fails
• There are some cases where overlapping surfaces create overlapping polygon

If you find any failure cases, if possible please provide us with a reproducible scene so we can more easily fix it!

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