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Artifacts on camera turning

Hello there, so in the third person template, when you rotate the camera around the player there are those artifacts which look like dashed silhouettes of the mesh itself. alt text

I actually found another question relating the same problem but it was unanswered.

Product Version: UE 4.19
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artifacts.gif (5.2 MB)
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asked Apr 13 '18 at 09:45 PM in Using UE4

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JohnMcDon321
1 1 2

avatar image JohnMcDon321 Apr 13 '18 at 10:01 PM

Update: It's probably caused by the Third Person Controller. I tried disabling all lighting related objects but it's still there.

avatar image JohnMcDon321 Apr 13 '18 at 10:06 PM

The shapes seem to disappear when setting the engine scalability level on medium.

avatar image JohnMcDon321 Apr 13 '18 at 10:14 PM

It also seems to disappear when using the Shader Model 4 instead of Shader Model 5. So is this a DirectX related issue with my hardware?

avatar image JohnMcDon321 Apr 13 '18 at 10:27 PM

Just as a note: I got a Nvidia Geforce 1030 and Direct X 12.

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4 answers: sort voted first

Ok, so this does seem to be affected by Anti Aliasing. When setting the scalability on Medium it is not visible when putting r.PostProcessAAQuality on 6 it is. When setting the scalability on Epic and putting r.PostProcessAAQuality on 0 it's just there a bit. Changing the anti-aliasing method has no effect. Any other suggestions would be great,

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answered Apr 13 '18 at 10:41 PM

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JohnMcDon321
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avatar image JohnMcDon321 Apr 13 '18 at 10:44 PM

So I put the r.PostProcessAAQuality back on 6 in Epic and the shapes stay this tiny, I don't know how it did this.

avatar image JohnMcDon321 Apr 16 '18 at 08:32 PM

I was wrong, changing to FXAA actually makes them disappear a bit.

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Alright so, as it looked at first it's caused by the motion blur. Putting the amount on 0 in the post process volume gets rid of these artifacts. But it's a shame since this means you are not able to use it at all. Oh and you also have to disable the motion blur on the camera.

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answered Apr 13 '18 at 11:21 PM

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JohnMcDon321
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Yeah, I was wrong, it's because I changed to FXAA.

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answered Apr 16 '18 at 08:35 PM

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JohnMcDon321
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I experience the same thing, do you have any updates? Disabling Motion Blur solved it for me, but it's not a good solution to disable a feature.

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answered Feb 24 '19 at 11:35 PM

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EliasWick
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avatar image JohnMcDon321 Feb 25 '19 at 12:50 AM

Sadly not, I found a solution by someone, if you google "UE4 TXAA ghosting fix", there are some values to tweak and something to put in a blueprint but for me this didnt work. Seems one has to stick with FXAA and no motion blur :/

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