What you mean by drag and drop? In Godot you will mostly use gdscript, which is written code, if you're talking about nodes and the tools inside godot, using them will be easier as it's more intuitive than 100% code. Perfomance-wise, you can see the other languages godot support, and by the way, there's no right way to use this powerful engine, try it out your way and see how it goes.