How to differentiate different surfaces in the same Mesh

[Everynone]

Should work with static meshes:

Physical Material Masks?

Create a mask texture with no more than eight colors. The colors must be the 8 colors listed in the material editor (and also PhysicalMaterialMask.cpp): red, green, blue, cyan, magenta, yellow, white, and black. I was able to do this by creating an RGB (no alpha) PNG in Blender. Create a Physical Material Mask asset in the Content Browser. Then, right click on the asset and select Import Mask Texture. Choose the PNG you created in step 1. Open a Material (normal material, not physical ma…

You’d need to create a mask outside the editor.