Is it possible to share or combine material?

Development Asset Creation
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1

i have a mesh, and the mesh contains multi material for difference faces.
i want to create a mask which use for dirt, this mask should be effect to whole mesh.
but, seems i can’t do that, when i select some face of mesh to assign material, they will separate, and will override that if faces which assigned.
i can’t have one material effect whole mesh and other material effect in a part of meshface.
but, i want to do this, Is it possible to do this?

2

Try to use Material Layers:

  1. Create a Material with MaterialAttributeLayers:

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  2. Create Material Layers and Material Blends:

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    image1422×716 105 KB

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    image1420×720 114 KB

  3. Create Material Instances and add different Material Layers to the Background and add a new element to layers:
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  4. Fill new Layer:

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    image1713×917 73 KB

This way, you can create multiple materials with different layers in the background and one mask layer on top.

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2 Likes
3

thanks, but it’s hard to understand for me, i will take a time and make a some test for it.