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Strata (Veins) across multiple objects. (WIP)

Hey forum,

I am trying to create the illusion that multiple meshes are carved out of the same rock face. Is their a way to use a secondary material, perhaps referencing world space to give the rocks a strata (veins), similar to the pic I attached? I would bake it in substance painter but to have it line up convincingly would be quite difficult.

Thanks,
Len

CliffSample.png
Project Sample

b37ecc93cf5f8bb2c173975774ea89f4baac543e.jpeg
Strata example

Look at the WorldAlignedTexture material function, it maps a texture to an object based on World-Space coordinates rather than UV’s.