https://i.imgur.com/vogfFfk.png
There seems to be a lack of good caustics available in UE right now, so I’ve fixed that. Coming in the next update: caustics.
The effect is decal-based and the update includes adjustable decal material, water surface material and water volume material. It’s best viewed in motion:
https://i.imgur.com/w0ypvuo.png
https://i.imgur.com/12FoYbX.png
https://i.imgur.com/ezduFCU.png
https://i.imgur.com/EzzKDqt.png