Dynamic UI with Material Parameters

Create dynamic UI with changing materials that update based on gameplay events and data. To make your UI dynamic, you need to use a combination of UI materials, View Bindings, and three of the Set Material Parameter conversion functions (Set Texture, Scalar, and Vector Parameter).

In Unreal Editor for Fortnite (UEFN) you’re given a basic Material with a number of Parameters. Use the Tracker device to track eliminations in a progress bar style widget as an example of a material that dynamically updates based on your progression in eliminating enemies.

Create a Material Instance

For more information about material instances, refer to Creating and Using Material Instances in Unreal Engine documentation.

All assets used to create these material instances can be found natively in UEFN. To learn how to make the material in this example, refer to Meter Material in the Material tutorials section.