thank you!! :D
it is available yes! https://github.com/Spi3lot/vectorscope4
i would be honored if anyone incorporated my projects into their own, so please do and tell me whenever you did :D
i have a much more recent version of this which can plot the current audio output of the pc using wasapi, so you don't have to record and select a file anymore (though you still can of course). i haven't uploaded it yet because i felt bad that only windows users would be able to use it since it's wasapi, but i think i will just upload it tomorrow as a separate .exe and leave the rest like it was so that even windows users can use the same version as linux users if they want to. so yeah in case you're on windows stay tuned for tomorrow, because since you already enjoyed the older version i'm sure you're gonna enjoy the newer version even more :)
if you don't want to wait you can just take the code from my github repo and run it in godot 4.4.x :)