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I am currently designing a track in blender for a racing game in Unity. My question concerns the side walls: If you look at current formula e games like Real Racing, there are commercials all along the side walls (e.g. DHL, Visa, ...). I also want to randomly distribute different commercials along the racing track.

Are there any common/best practices for doing this?

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    $\begingroup$ I'm voting to close this question as off-topic because it appears to about materials for Unity $\endgroup$ Dec 18 '17 at 16:43
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    $\begingroup$ You can't export materials. I'd advise using some sort of modules or reusable repeating parts, unwrap your meshes properly in Blender then build your random-textured materials in Unity $\endgroup$ Dec 18 '17 at 16:45
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I would hardly recommend, that distributing textures randomly on a Mesh, is a task you would perform in Unity.

Theoretically it is possible to distribute textures randomly on a Material. But if you don't bake them to a simple UV-layout, I am afraid, you wont be able to ship this material to Unity.

But I would ask this question on a Unity focused platform.

EDIT:

But if you want to do something like this in Blender, I think this is only possible with the help of Python scripting or an osl shader.

Even if this Question will be closed, I have to share the result of my tests, because if not, I would have wastet to much of my time.

The closest result wich I found was to procect multible textures onto the mesh like decals. Therefore you have to use external objects as texture Coordinates.

The results can only be seen in the render mode.

Multible Textures projetet via empties

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  • $\begingroup$ Thank you. I will do that. Staying in Blender, how would I do this? $\endgroup$ Dec 18 '17 at 13:52
  • $\begingroup$ I edited my Answer $\endgroup$
    – monatsend
    Dec 19 '17 at 8:01

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