Procedural tarmac road

Started by james adamson, August 05, 2020, 10:20:05 am

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james adamson

Hi all. 
Does anyone have any ideas how I may go about building a tarmac road? I read a pretty long thread from 2010/11 and the artist achieved some very nice results but the link at the end to purchase his pack on NWDA took me to some Japanese motoring site.
At the moment I have built something in Modo and have imported it as as an obj but I would much prefer a Terragen solution.
Cheers.
James.

KyL

You can use a plane and mix several road texture with a powerfractal:
https://www.textures.com/download/pbr0331/136370?q=asphalt


Then add on top some procedural or small detail textures such as this:
https://www.textures.com/download/3dscans0022/126610?q=asphalt


road.jpg
This can give great results and it is also very flexible!

james adamson

Thanks Kyl they look great.
I have not used a plane yet in Terragen, how would i get that plane to form a curved road and then texture with no repeats?

KyL

There are some tips on the forums about curved road, or you could use a painted mask.

For the texture repetition you can merge your road over itself: add a transform input shader and put a negative scale on X or Y, and merge it with the original road using a merge shader with a powerfractal.

james adamson

Great, will give it a go.
Thanks.

WAS

https://planetside.co.uk/forums/index.php/topic,24637.msg250340.html#msg250340

I made this a couple years ago. You're free to learn from it. This was intended for closer shots to the asphalt.

james adamson