In this tutorial, I show you how to create a procedural gradient using Unreal Engine 5's Material Editor. This is a very powerful technique for creating masks without needing to rely on external 2D graphics software like Photoshop.
https://dev.epicgames.com/community/learning/tutorials/9awP/unreal-engine-5-how-to-create-a-procedural-gradient-with-the-material-editor