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Make a square material into a circle

I am trying to make a sniper scope for an FPS shooter and have used a SceneCaptureComponent2D tied to a Render Target which is used as the Texture for a Material which is used as a UMG Image. The trouble I'm having is getting it to show as a circle instead of the full square. I imagine this would be accomplished using either a SphereMask or SphereGradient in the Material, but I cannot get it to work. Or could this be accomplished in a different way, such as via UMG?

Product Version: UE 4.17
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asked Oct 21 '17 at 07:21 PM in Rendering

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RadialGradientExponential connected to opacity on a translucent material

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answered Oct 21 '17 at 07:48 PM

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avatar image BrenonKushon Oct 21 '17 at 08:06 PM

Thanks. This worked perfectly.

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