OpenSceneGraph VS FlaxEngine

I started in 2001 with OpenSceneGraph which made extensive use of intrusive pointers. This was 10 years before C++11 note. That codebase continues to be relevant and as performing as ever.

browse github and try to contribute. I started with OpenSceneGraph

I have been using OpenSceneGraph for over 20 years. It is used in the military a lot and I myself have seen it used to simulate war scenarios with realtime data aboard of a command-and-control center of a battleship.

Does http://www.openscenegraph.org/ fit?

Speed Dreams: It is a fork of TORCS, and was born as the need to include many more functions to the latter. In Speed Dreams the menus would be completely redesigned, adding many more options and making them much more intuitive; the game acquired dynamic time, improvements in reflections, career mode, a new simulation mode and multi threading. Over time many more options were implemented, such as local multiplayer mode, Force Feedback, and of course more and better cars and tracks, a new and more powerfull graphic engine (OpenSceneGraph) among other things, making it a much more complete game than its predecessor. They recently they have presented version 2.2.3. You can also install it in AppImage and Flatpak format.

Here is an example: https://github.com/openscenegraph/OpenSceneGraph/blob/master/examples/osgsimplegl3/osgsimplegl3.cpp

openscenegraph (mainly focuses on graphics, used by openmw for example)

Is not little, is very complex open source racing simulator. There are a lot of cars, categories, tracks. The physics has a lot of work . About the graphics, the devs are working on change the graphic engine to OpenSceneGraph, that actually works, but needs much more polishing. You can see his quality on this video: https://youtu.be/4daTgcxEWRg

I love Godot for a complete game engine. For just the renderer you could consider http://www.openscenegraph.org

Flax (MIT/C++) https://github.com/FlaxEngine/FlaxEngine

For 3D games, check out the engine: Stride Engine or Flax Engine.

Flax Engine: C# and C++, Global Illumination system, Visual scripting, Full Source Code Available, 4% royalties after $250,000 (threshold is per quarter, not all time). The engine honestly looks really good, so it could be worth taking a closer look, but does lack tutorials.

It sounds like you're asking them to just remake https://flaxengine.com. (Minus ECS)

As the title says, what are people's thoughts on Flax Engine. (Link for anyone who hasn't heard of it)

Flax (4% royalty after 100k revenue) looks to be the most Unity-like, and seems to be pretty polished, if also new and lacking features. That's all I know about it so far. Its pricing model is similar to Unreal's and, like Unreal, it's source-available (but not truly open-source).