Influence of the terrain over plants

The terrain parameters also have an influence over plants:

• The terrain ambient occlusion will affect how plants will get relighted.
• The terrain color may also influence plants coloring, by relighting them and by tinting them.

This is the "Ground color influence / rand (%)" parameter in the plant's parameters in a biome:

The first term is a percentage of the terrain color that will influence the color of the plant's instance. This starts from the idea that a plant has color variations that come also from the soil richness and type on which it grows. The second term is just a random term.

Below is an example of a forest distribution with a fairly high ground color influence set on trees:

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40% ground color influence on the left image 0% on the right image

Learning plants scattering rules

Defining biome fade colors