Only second material in mesh renderer showing

Question

I have an fbx model and I want to assign the material 'USSRColour' to it. The problem is that it only works if it has two elements in the materials array, and only the second one affects the material displayed
e.g. if the first element is any material and the second is USSRColour, it will be USSRColour; if the only element is USSRColour, it will be invisible.
I should also add that this is only a problem with this particular model. I have a few others which work fine.

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Answer by MUG806 · 6 days ago

This is to do with how the model was made. Normally each material "slot"is used on different parts of the model (eg one material for the head, one for the body). It could be that when the model was created, an unused material was left it place, or the first material is only used on a small part of the model that you aren't noticing.

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TheQwertz · 4 days ago 0

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I probably should have been clearer. This problem is for each individual part of the model (except one for some reason). Could this still be the issue?

MUG806 TheQwertz · 4 days ago 0

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What do you mean by each individual part?

TheQwertz MUG806 · 3 days ago 0

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The model is a tank, so for example each track, the turret, the hull, etc.

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Bunny83 TheQwertz · 3 days ago 0

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What MUG was saying is that a single mesh can consist of several submeshes. The different material slots have a 1-to-1 match with the submeshes of the Mesh. So the first submesh may just be a tiny part or some dirty left-over part that isn't even visible and all the relevant mesh data is in the second submesh.

You could use my UVViewer to see the different submeshes and how they are actually mapped onto their respective texture.

TheQwertz Bunny83 · yesterday 0

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Oh I think I get it now

TheQwertz · yesterday 0

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Ok this is it. I inspected the original model and found the other material is only on hidden surfaces.

Only second material in mesh renderer showing

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