𝑛-Body and Extended Body Gravitation for Kerbal Space Program
Why do you think that https://github.com/ValveSoftware/source-sdk-2013 is a good alternative to Principia
𝑛-Body and Extended Body Gravitation for Kerbal Space Program
Why do you think that https://github.com/ValveSoftware/source-sdk-2013 is a good alternative to Principia