This is a plugin for Godot Engine that provides new class PreviewingParallaxBackground that moves it's layers in editor.
It helps to arrange objects in different layers relative to each other.
Simply download it from Godot Asset Library.
Alternatively, download or clone this repository and copy the contents of the
addons folder to your own project's addons folder.
Then enable the plugin on the Project Settings and use new class in your scenes.
MIT License. Copyright (c) 2022 Nikolay Lebedev aka nklbdev.