Mesh of the river. The UVs must be straight for a good texture panning.
All noise i use for the shader river. Pack in one RGBA texture.
Sampling a Voronoi edge noise to render water mask.
Adding color settings for night and day.
Adding a depth fade to simulate water depth.
Sampling foam noise.
Combining two effect : a depth fade that is subtracted by a noise.
Detecting the slope of the vertex normal based on a given vector.
Subtracting the slope mask by using a noise texture.
Combination of all foam effects.
Atmospheric fog, see the skybox post for more details.
FInal render.
All shader graph.
