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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.
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
