Dive into the world of Unreal Engine and master the art of combining materials with Gaea flow map texture or black and white texture using blend material attribute! Learn the ropes in version 5.4, 5.3, 5.2 or 5.1.
https://dev.epicgames.com/community/learning/tutorials/YbXq/mastering-blend-materials-in-unreal-engine-i-unreal-engine-tutorial-i-using-gaea-flow-maps