Pixel art ShiftIndex

Hello GDevelopers:) I have a question: What is the “ShiftIndex” in pixels editor? what is this do? %D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_2021-10-02_141007

I think you mean Piskel. That’s a separate tool bundled with GDevelop, you’re best off looking at the documentation for that system.

From a quick google, it looks like it was implemented a while back, here’s the feature discussion on Github from the person who built it: Colour Index shift brush - similar to lighten/brighten brush, but without the problems · Issue #863 · piskelapp/piskel · GitHub