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Creating more interesting snow deformations?

Hello,

So let’s say we use render to target (depth feature) to capture objects in real time so we can use that to deform flat terrain.

Is there a way I can add post effects or more specifically create “outlines” around the objects being captured in the map? The goal is to create effects and variations on the captured output in order to achieve more interesting deformation effects. For instance if a foot deforms a snow terrain it won’t just dip in but also create an outline counter effect pushing snow outward around the edges to fake displacing accumulated snow on the contours of the footprint.

Better yet i’m hoping to achieve something similar to a tension map, as objects move faster in snow they accumulate snow on the edges on a certain direction.

Thanks.