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error effect when use SpiralBlur-SceneTexture

Hello guys. I use SpiralBlur-SceneTexture function and wish to make material that simulates frosted glass. alt text

The below graphic is the final effect

alt text

I guess the blur effect of that function is based upon screen space. The more the blur intensity is, the error that close to the screen edge is more obvious(as shown in below graphics).

alt text

If the opposite side is semitransparent object, there is no blur effect.

alt text

Is there any better way to show such material effect?

Product Version: UE 4.20
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2.png (53.8 kB)
3.png (117.4 kB)
4.png (5.8 kB)
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asked Sep 14 '18 at 03:28 AM in Using UE4

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MICHELLEZHOU
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These visual anomalies will only show up during preview mode. Once the game is packaged, these artifacts will go away.

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answered Jan 04 '19 at 04:18 PM

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Norpyx
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