I’m working on this UT4 map and I have a fan with 3 movable lights on above it, hoping it projects some cool, real time shadows around the place. I use Epic’s blueprint (from Outpost 23) for rotating a static mesh (the one used on the fans in Outpost 23), and here is the result:
I get a cyclic variation in the lighting of the mesh affected by the blueprint. It’s like it going from its lit version to an unlit version and loops through this process all the time. I have really no clue where this bug is coming from…