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UMG: Render 3D scene to widget

So I need to make a background for the main menu of my game and I am fairly new to UMG. I need to create an 'Arkham City' style background which is 3D and moves around a scene. It also needs to change when I select an option in the menu. I haven't started this yet and I need some advice on how to approach this. Any would be appreciated. Is there some way to render a scene to a UMG widget? Or maybe have UMG overlay on top of a scene? Thanks in advance!

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asked Apr 23 '15 at 09:01 PM in Using UE4

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AemonBarz
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2 answers: sort voted first

UMG widgets are rendered on top of the 3D world. You can build your menu scene as a normal Level and then add the UMG menu widget to the viewport on top of it.

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answered Apr 24 '15 at 06:16 AM

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max99x
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avatar image AemonBarz Apr 24 '15 at 06:43 AM

Ok thank you. But how exactly am I meant to overlay the UMG menu on top of the scene? What nodes do I need to use?

avatar image max99x Apr 24 '15 at 06:59 AM

In Blueprint, you can use the Create Widget and Add to Viewport nodes, like this.

In C++ you can call the global CreateWidget() method then MyWidget->AddToViewport();.

avatar image illYay Apr 24 '15 at 07:10 AM

I think he means how to embed a 3D scene into a UMG widget. I am also trying to do the same thing for 3D maps similar to Metroid Prime.

Apparently there's an experimental UViewport UMG widget that they're working on that should let you create a UWorld that is separate from the current world. That widget can act as a view into this second UWorld.

This is similar to how editor thumbnails would work.

avatar image max99x Apr 24 '15 at 07:12 AM

That's what the title asks, but the problem of making a 3D backdrop for a menu that is described in the actual question is still solved by the much simpler approach of rendering the menu on top of a scene.

avatar image AemonBarz Apr 24 '15 at 08:02 AM

Yeah max, that is what I am looking for. However, can you please give me an example on the blueprint/macro structure to accomplish this? I'm finding it a bit difficult with nothing to go on.

avatar image max99x Apr 24 '15 at 08:04 AM

The blueprint screenshot I posted above should be all you need. It goes into the level blueprint of your menu background scene.

avatar image AemonBarz Apr 24 '15 at 09:17 AM

Oh thanks, didn't see that before lol!

avatar image lmm_loli May 05 '15 at 12:48 PM

where is the blueprint screenshot tou posted?

avatar image AemonBarz May 05 '15 at 09:26 PM

Is where he wrote "like this". It was kinda hard for me to see aswell.

avatar image lmm_loli May 06 '15 at 08:26 AM

thank you . I find this link http://globalgamejam.org/2015/games/cowtastrophe it's helpful.

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you can use the scenecapture2d component to render into a material and then use that material on your umg

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answered Sep 30 '15 at 01:46 AM

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makai
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