goray is a raytracer written in Go, based on the Yafaray rendering engine. It is released under the GNU Lesser General Public License v3 and is written by Ross Light.

goray is beta quality software and is not ready for production use. Many features are missing, some things may not work right, and the behavior of the program is not well-documented.



In no particular order:

  • General
    • Written in Go
    • Extensible — generic interface-based API
    • YAML scene format
    • Concurrent
    • CLI and HTTP front-ends
    • Blender export script
  • Rendering
    • Light types
      • Point
      • Spot
    • Materials
      • Lambert
    • Reflection/refraction
    • Texture mapping
    • Simple shadows
    • Alpha blending

For what's ahead, see the Roadmap.


See pre-rendered Demos.


Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.