### Describe the project you are working on
3D game
### Describe the problem or limitation you are having in your project
this is a very common problem with the `look_at` and `look_at_from_position…
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In campaign 4 (Op Firestorm), there's a big enemy installation. When it's
destroyed, a single fighter with zero health is spawned, which is
indestructible, thus rendering the mission unbeatable.…
Experimental environment: Two Ubuntu GPU servers
Experimental code source: https://github.com/OvJat/DeepSpeedTutorial.git
Fault Description: I used engine. save() to save the model training status …