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Can You Add Materials To Diffrent Faces of Static Mesh ?

Is there a way to do this ?

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asked May 13 '15 at 12:49 PM in Everything Else

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T3CHZ
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Yes you can, but you need to apply different material ID's to each face in your modeling software beforehand.

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answered May 13 '15 at 01:00 PM

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Jacky
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avatar image Tim Hobson ♦♦ STAFF May 13 '15 at 01:06 PM

Hi T3CHZ,

If you need to setup multiple materials for a single object this would need to be done via a modeling application.

For instance, in 3Ds Max you can use a Multi-Sub-Object material and assign different polygons/faces a material ID that associates those faces with a material.

If you're using BSP you can select faces and apply a material to them individually before converting to a Static Mesh.

Thank you!

Tim

EDIT: Looks like Jacky beat me to it...again :)

avatar image T3CHZ May 13 '15 at 03:22 PM

I am doing the modeling in the unreal engine. Should I be using bsp's than vs static meshes ?

avatar image Jacky May 13 '15 at 06:48 PM

Yes, but keep in mind that you shouldnt use BSP's for your final product as they are performance heavy.

avatar image Ham1ton Jul 22 '18 at 04:07 PM

If I understand correctly, this is not actually assigning a material to a specific face of a mesh. When you create multiple material elements for a single mesh, you are actually packing together more than one mesh into a single container, meaning it's not a per face assignment, but a whole new mesh created in place of those faces. This is expensive in terms of draw calls and should generally be avoided.

So, is there actually a way to assign a per face material in Unreal? I think the answer is no but I hope someone proves me wrong.

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