Caustics light shader from water simulation

Dear experts and all,

I am looking for a caustics light shader node like this:

I found the beautiful Wave Simulation (DX11) “gregsn did it again”. But - its not quiet exactly what I need: requiered is not only the wave but rather the light refraction structure on the ground of the pool (preferably with adjustable fluid viscosity to make it slow motion movement). Oh oh, a bit specific request - I believe.

Now - I found a WebGL implementaition fascination, but this is all Javascript and shader code,

Could this be a vvvv DX11 node for the future - or maybe it’s still existing?

Thank you for hints!

And yet no time ;)

ue4 approach

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