Ground Thickness settings

In the Inspector window, click on the Ground Thickness foldout to open it, you will see the properties as listed below:

  • Thickness: The thickness of surface layer. This value is clamp between zero and Base Height in Overall Shape settings.

  • Variation: The variation rate of ground thickness across the surface.

  • Seed: A number to sample noise, different seed generate different ground thickness variation.

  • Noise Step: Control thickness variation smoothness/roughness.

Terrain with no Thickness Variation
Terrain with Thickness Variation