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Realistic Underwater Post Process Effect

Hi guys, I'm currently in process of making an abandoned island in UE4, and I have this water set up from above and below the water surface.

I got basically 2 water planes, first one is for above the surface: alt text

The second one is for underwater, so that you can see the water surface above you when diving: alt text

But the plane is not blurring like the level edges or the sun as seen in the picture. That makes it look a little odd :D

Is there any example or help for more realistic underwater post process than what I have atm? Talking about the lighting, because it's a sunset it looks like the sun is in the water and there's no realistic lighting in mine atm. Something like this is what I'm looking for: alt text

alt text

Thank you in advance! :)

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asked Apr 07 '15 at 03:35 PM in Rendering

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GlitchSack
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First off this looks nice. Bravo. Ok. So maybe a couple little tricks I've used and it's helped. You can use post processing to change the blur...A little tint maybe to the screen....change the contrast or.maybe the saturation a little. But one thing I do is make a translucent material. And give it a water type normal and a pan net so it moves the see through normal across the material.

I would attach a plain to my camera so my entire view port would have that wavy look.....just turn it on as needed. Help you get a little more of a water affect..... Obviously sound effects and a difference in sound definitely helps.

Good luck!!

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answered Apr 07 '15 at 04:13 PM

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AttemptD
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avatar image GlitchSack Apr 07 '15 at 04:17 PM

Hey. Thanks for your reply! :) I have a post process with blur on it (Gaussian DOF), and it's the thing that makes the sun and the level edges blurry but for some reason not the water plane. I'll try that plane in the camera and the translucent material trick. Thanks :)

avatar image ChampagneRobot Sep 21 '15 at 12:51 AM

It sounds like maybe your water plane is a translucent material that has the "Separate Translucency" checked as 'true'

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