Object to small to cast visible reflection ?
Hello. I noticed that some smaller objects in my scene don't have visible reflections. Please see a photo below.
Building have nice "clear" reflection as well as tree. But this little socket/plinth under a tree don't have any relfection. If I move my camera ridiclously close to it then I will be able to see it. But I wanteed it to be visible from normal perspective too.
I have more small/smaller models like this which are not visible in reflections. I placed additional sphere reflection capture around them but it didn't do anything.
Can I somehow "force" UE4 to make more visible reflections of those objects ? Lack of this reflections is very easy to spot and it destroy immersion very fast :-(
Thank You and Cheers !
asked Feb 03 '16 at 07:37 PM in Rendering
So I took a look at this issue with a mesh that I made very similar to the one you are using. I can see what you are referring to when using the parameters for the scene you have mentioned. There is a bit of a limitation here, but there are also a few things you need to make sure you are setting up correctly when calculating the reflection environment. Firstly, SSR are meant as a way to "ground" your objects in the scene using reflections. Using the entirety of the reflection environment, and getting it to look good will require some specific settings explained in the documentation below.
Essentially, SSR works well when used on non-flat surfaces with some varying roughness and added normals. Take a look at the documentation below on the Reflection Environment, and more particularly the section titled, "Setting up a level to use the Reflection Environment" as it highlights the necessary options needed for getting reflections correct. It will also highlight current limitations in place with reflections in UE4.
If you have further questions or comments please let me know. I will say, be sure to uncheck 'Cast Shadows' on the 'Skylight' and you have a contributing to indirect lighting, which is how reflections are calculated and added to the scene.
answered Feb 08 '16 at 08:07 PM
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