This is exactly what I need to do on my side scroller project: UE4 - Spline locked sidescroller - YouTube
There’s this tutorial on it, but it doesn’t seem to work anymore: Tutorial: Blueprint Spline locked sidescroller (e.g. Klonoa / Pandemonium style game) - Programming & Scripting - Epic Developer Community Forums(e-g-Klonoa-Pandemonium-style-game
PLEASE, help