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Sfsim

By Jan Wedekind

Simulation

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At a glance

Sfsim is a simulation video game developed by Jan Wedekind on Linux, PC.

About

sfsim is a realistic 3D space flight simulator under development. You can already download the sfsim playtest build on Steam and try it out. sfsim uses true celestial positions of Earth and Sun from NASA. Use an advanced…

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Steam news

The latest announcements posted on the game's Steam page.

Steam

6 September 2026Shockwaves

I 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

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Steam

27 August 2026Deferred Rendering

I 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 acce

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Steam

7 August 2026Metallic and roughness factor

I 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

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