How to change material in runtime

Development Rendering
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1

Hi! I wanna change material of many objects with different color (in runtime). I found this tutorial UE4 Changable Real-Time Materials (ArchViz) - YouTube but it only change material for one object. What if I want to change more than one object? Should I create one widget blueprint for one blueprint class? Please response, thank you

2

That tutorial shows you how to set up a material parameter that can change the color of a material.

  • Use a material like that on a mesh in a blueprint.
  • On Construct, create a dynamic material instance and save that.
  • Create a function on that blueprint to Set Vector Parameter on the saved dynamic material instance.
  • From your level target the blueprint and send in the color parameter