Interactive Materials in Blueprint: Unreal Engine

Learn how to control materials in Blueprint. Animate properties by sending data from gameplay. Optimize performance by avoiding draw calls. Set scalar and vector parameters on hundreds of meshes efficiently, without dynamic material instances. Tech Art Essentials series soon on 00:00 Introduction 01:30 Material parameters & instances 04:05 Dynamic material instance in Blueprint 05:25 Performance issue: Draw calls from dynamic instances 07:38 Optimization: Custom primitive data 10:02 Set mesh color (custom primitive data) in Blueprint 14:36 How to fix default black in custom primitive data 18:06 Controlling an array of meshes together 20:17 Use 0-1 value range for convenience 21:09 Controlling emissive material 22:59 Animating rotation 24:10 Global color switch: Material Parameter Collection 26:39 Using global parameters in materials 27:48 Final words