How to keep a machine running after switching scenes?

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:bust_in_silhouette: Asked By GusFurtado

I have a scene where I can place machines that keep running a process that constantly changes their attributes.

These machines have a position and a sprite in one scene, but need to keep running even if I change the scene.

I’m having trouble managing all the scene changing, saving and loading resources.
Is there a best practice for this case? What is your suggestion?

Thanks in advance.