UMG elements are shaking when being rotated.

King_Zero
Sat, 21 Jul 2018 13:02:57 +0000
UI

Hi.

For few days now I have been bothering with a problem where rotating widget elements are ‘shaking’ a little, which is unfortunately very visible and annoying. I suspect it is due to how pixels on screen are being filled during the rotation, but by looking at other games if it occures, it’s not really visible and definitely it’s not distracting the player from actual gameplay. I have tried different settings for imported image(It is currently set to UserInterface2D with lowest compression). It didn’t matter if image was rotated using SetRenderAngle function or through material. I’ve also tried rotating simple circle with it’s pivot set to center, but the result was the same. You can see the problem on video below.

UE4 UI Problem

It’s more visible when other elements of the UI are present, but unfortunately I’m not able to show you that.
My current ‘solution’ for this problem is to have circles separated from the arrow, and only arrow rotates. The shaking effect is now only visible on the arrow and looks a lot better, but the problem is not really solved and I want to limit myself on the number of images being rendered on the ui, so I treat it as a temporary solution only. Is there any possible fix for this problem?

11 posts - 7 participants