Solving UV interpolation issues, or just getting my road to work

ActionDawg

I would really love to have a brick cobble road that bends non-uniformly like in the picture below

Obviously, the way uv interpolation works means that I can't just straighten out this bend to use with a tiling texture without having artifacts like above. It's also probably not very realistic due to how the bricks would need to cut and fit, but my brain is just stumped on this. I tried searching for solutions but that yielded nothing. The cop out solution I'll go for if I can't solve this is to uv it normally and just use a tiling rocky cobble but I like the elegance of laid bricks.

Endgame is UE4.

Eric Chadwick

Either add more geometry, which reduces uv distortion. Or create a specific corner-rounding brick texture.

ActionDawg

Thanks for the reply After realizing I was fundamentally approaching it wrong (being very tired) I was going to opt for a specific texture. Then my buddy showed me some good references where they just cut the bricks at too sharp of angle changes. I like the effect it gives here:


I've covered the seam with a decal in UE4 (purely placeholder):

Once I get POM working on decals and final textures in place it should be looking good!

musashidan

Might look better if the decal break was a perpendicular row of bricks. This is also how it could be laid in the real world, and would look a lot less like a texture seam.

ActionDawg

Thanks for the idea! That's a good point.