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Only 1 reflection capture sphere on translucent material

alt text So basically, I am trying to make water. I have it looking good, but I am having an issue with reflecting the environment in it. So after a lot of searching I realized my issues is that the translucent material does not accept more than 1 reflection capture sphere and it just sort of spreads it across the whole thing. Attached is an image depicting the effect on a translucent material with no opacity on the left and an opaque material on the right.

Is there a way to get the right side effect on a translucent material? SSR on transparency gives really faint reflections and fades badly with the sphere reflections, so I don't think that is the route i'm looking for.

I am working in a custom 4.8.1 version.

Product Version: UE 4.8
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asked Aug 26 '15 at 09:03 PM in Rendering

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NoahTimefireVR
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If the SSR was really faint, I would try enabling it again and adding a movable skylight to your scene if there is not already one there.

For my ocean material the reflections are very noticeable using SSR, the quality is unfortunately not perfect in 4.8, it tends to have some pixelated artifacts from some angles, but it is the best reflection system currently in place for translucent surfaces.

Version 4.9 improves the SSR quality quite a bit, and also introduces a new feature for using reflection captures with fully dynamic lighting on translucent surfaces. You can see some before/after images here

Hope that helps, let me know if you run into any issues with the SSR, but it should work so long as there is a skylight in your scene, and try adjusting the Skylight intensity (and/or try disabling "Lower Hemisphere is Black" to see if it produces the result your looking for)..

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answered Aug 27 '15 at 05:44 PM

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DotCam
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avatar image NoahTimefireVR Aug 28 '15 at 12:11 AM

So, I already had a skylight in that was movable. I will try playing with the lighting a bit, but it sounds like I need to wait till 4.9 and see about updating my engine to work with that.

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