How to make "Water Environment" in UE?

Development World Creation
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1

How to make “Water Environment” in UE?

Hi guys, I’m doing a scenery observed from outside of an aquarium tank.
This is a render (which is from Vray) that I really want to achieve the same result in UE4, you guys can see the main lighting is coming from inside the tank, mostly from the scrattering of light by water environment:

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I went through a lot of tutorials in the internet making the water and ocean environment, but all of them almost creating a whole world where we’re actually inside of the ocean environment. But in my case, it is about looking from outside of an aquarium tank.

Here is what I’ve done:

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So in stead of creating the whole world fog using “ExponentialHeight Fog” I created a local fog by Particle system and placed them inside the tank, then putted some spot lights from above. But I think the result is not that good.
Therefore, I just want to ask if you have any better idea for creating this water environment and making the lighting pop up from inside the tank? I will very much appreciate your help. Thank you.

2

Yes, you’re missing refraction, caustics and the water surface.

I think you have to make the water in the tank from two things:

  1. A material for the refraction

  2. A mesh / material for the surface

Then also make a material / postprocess to extend outside the tank which contains the caustics.

This is a good tuut on refraction:

Caustics:
and another:
3

Hi, thank you very much for your respond.
Actually I already done the material for water surface. But in this case, we only see the water from aside of the tank so I just turned off the wavy effect and maintain the refraction only. The water surface from the top I keep them both but for some reasons I don’t know why we can’t see them from below.
about the caustic effect, I just faked it from ‘light function’ feature of spotlight.
but what I really want to do is to make the whole tank brighten up and the fog inside the tank become more visible.

4

I guess that would be emissve.