Thank you! I haven’t had to work with Godot yet, but I suppose you could collect all the textures into an atlas and use just one material to render all the models, if the engine allows it. In theory this could help increase performance.
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I’ve been posting my findings in devlogs and as it turns out an atlas texture gave no visible improvements, to my surprise. Scaling down textures had no impact either. The only other thing I haven’t tried is LODs which will have to be made by hand for Godot 3 as it doesn’t generate them automatically AFAIK