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Metal that's only rusted in places. Is it possible to drive?
Posted: Mon Sep 30, 2019 1:40 pm
by cigoler
Can someone give me some pointers please.
If I want to have a metal material (for example) that is clean in some areas, and rusted in others, how can I drive that in Houdini / Octane? Is it possible?
Re: Metal that's only rusted in places. Is it possible to drive?
Posted: Mon Sep 30, 2019 7:34 pm
by mlmcgoogan
Couple of ways to do this. Here's a simple one:
- - Setup two material nodes - one for your clean metal, one for your rusted metal.
- Plug them both into a material mixer node.
- Plug one of Octane's procedural textures into the amount input of the Material Mixer.
- Voila
For the procedural texture you could for instance use Procedural Noise to blend rust in throughout the surface or use Procedural Dirt to bring rust in around features/corners in the mesh. Best bet is usually a combination of both via a Texture Multiply node.