Simple Snow Shader with Unity Shader Graph

Snow deformation shader with shadergraph URP/HDRP

Uses a dedicated camera with runtime generated render texture to store trail as a splatmap. Then applies it to vertices and blurs deformation with neighbours.

Snow Trails

Vertex Deformation

Note: Snow ground plane needs to be pre-subdivided by a 3d program or tessellated via another shader since shader graph has no tess shader support yet.