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sfsimNewsGithub CI
Game update

Github CI

sfsim · published 30 Jun 2026, 22:18 UTC

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Hi,

Here is release version 0.28-1 of sfsim.

This release has a minor fix for time lapse limits. Also I have increased the coverage of the schemas used for checking correctness of the software.

The bigger change which hopefully is not noticeable is that I am trialing Github CI builds. Github kindly provides free CI for public repositories. I was already using Github CI for running unit tests.

Using an automated build process on a controlled environment has many advantages:

  • less error prone than performing multiple manual build steps

  • configuration changes on developer machines do not affect software releases

  • builds for both Linux and Windows can be triggered from any computer

  • the complete build process including dependencies is captured

  • build logs are online

  • it is easier for others to create modified builds

Let me know in the sfsim playtest discussion forum if there are any problems.

Don’t forget to wishlist sfsim!

Enjoy!

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Community6 Sep 2026ShockwavesI am excited to share early results of shockwave rendering with the community! I would like to add visualization of a glowing shockwave during atmospheric reentry in the sfsim spaceflight simulator. I explored possible approaches by discussing the problem with Google Gemini. Popular approaches seem to use meshes with animated semi-transparent noise textures. However this still leaves the proble…Major update27 Aug 2026Deferred RenderingI have released version 0.30-1 of sfsim . This release introduces a major overhaul of the rendering code as well as a runway for the spacecraft. The rendering system is implemented using the Clojure programming language as well as GLSL . LWJGL3 is used to access the graphics card’s OpenGL bindings. The new rendering code uses deferred shading , which first computes and stores per-pixel geometry…Game update7 Aug 2026Metallic and roughness factorI have released version 0.29-1 of sfsim . The Open Asset Import Library (assimp) which is shipped with the LWJGL3 library has been updated some time ago. I am now able to access the metallic value and the roughness value from the glTF exported by Blender . The metallic and roughness value are now used in the model shader programs so that the spacecraft has a more metallic surface. In the meanti…