Hello everyone,
I’m new to Unity and I’m wondering if I can use Unity just as a programmer’s library, without using the editor? I understand that editor is more than a scene editor and compiles your games to executables of choice, but other than that I don’t want any of the visual placing stuff and just want to make my game in C# and make my levels in Blender3d and export them to fbx.
Can I do this?
Yes, of course… just pretend the Editor doesn’t exist and only use Unity to compile builds.
The only way I found how to code is to assign behavior scripts to objects in the editor. Nothing about creating the objects themselves by pure code and so on.
Maybe I’m not looking in the right place in the documentation?
Well, yes, you’re going to need at least one game object in the scene with a script attached to it. But from there you could programmatically build the rest of the level. I wasn’t being literal before about pretending the Editor doesn’t exist… you’re going to have to acknowledge its existence here and there 
I guess the question is why you’d want to work in this way.