sologroovegames
Topic Author
Posts: 3
Joined: 12 Feb 2025, 10:13

High radius of BlurEffect with BackgroundEffectBehavior does not blur content around the edges

05 Mar 2025, 13:08

Hi there,

I'm trying to achieve a blurred background effect in Unreal, similar to the one in the samples template. However, I've noticed that once I raise the blur radius to a higher value to reach the desired effect, I'm starting to lose the blur around the edges of my border. I could circumvent this issue by using ClipToBounds and negative Margin, however, then I found no way to have rounded corners of the blur.

If I increase the blur radius more, the whole effect starts to fade away. It feels like the Radius parameter also works like a "fade out length from the edges" parameter.

Update: managed to find a workaround, not sure how can I delete the topic.
 
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sfernandez
Site Admin
Posts: 3363
Joined: 22 Dec 2011, 19:20

Re: High radius of BlurEffect with BackgroundEffectBehavior does not blur content around the edges

06 Mar 2025, 13:40

Would it be possible to share how you solved it to help others with the same problem?
 
fondnone
Posts: 3
Joined: 26 Feb 2024, 11:00

Re: High radius of BlurEffect with BackgroundEffectBehavior does not blur content around the edges

10 Mar 2025, 11:28

Hi there,

I'm trying to achieve a blurred background effect in Unreal, similar to the one in the samples template. However, I've noticed that once I raise the blur radius to a higher value to reach the desired effect, I'm starting to lose the blur around the edges of my geometry dash game border. I could circumvent this issue by using ClipToBounds and negative Margin, however, then I found no way to have rounded corners of the blur.

If I increase the blur radius more, the whole effect starts to fade away. It feels like the Radius parameter also works like a "fade out length from the edges" parameter.

Update: managed to find a workaround, not sure how can I delete the topic.
I am having the same problem. Please let us know how you solve it!
Last edited by fondnone on 11 May 2026, 12:07, edited 1 time in total.
 
Demond
Posts: 20
Joined: 06 Feb 2023, 23:32

Re: High radius of BlurEffect with BackgroundEffectBehavior does not blur content around the edges

17 Oct 2025, 19:00

How did you achieve this?

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