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Rptd: VR causing dublicate image parts for each eye in 3rd person views


Hello everybody,

 

I have recently purchased a HTC Vive Cosmos and, of course, I wanted to play War Thunder in VR.

It is, generally speaking, working very well, especially in aircraft.

 

On tanks, however I ran into an issue that makes them unplayable for me and since the M4A3E2 was strongest affected in my tests, I'll use it for the visualization.

 

First off, here is a screenshot of the issue and what each of my eyes sees:

 

VRview.thumb.jpg.5ee39bef7ccbb79877dd5c8

 

As you can see, around the barrel of the machine gun and the main gun, there are areas, in which the game creates duplicates of what is next to the object.

Which leads me to my theory of what might be causing this.

 

This also applies to close objects in 3rd person view in aircraft (the gunner view seems to count as 3rd person with the camera in the gunner's seat):

 

2.thumb.jpg.74c4b923960141bfd4e364fc3d09

 

And here is what I think causes this:

 

The game bases its information on what you can and cannot see on the regular view, I'll call it the "2D view" from now:

 

2Dview.thumb.jpg.1bc339e7f173fc479841f5a

 

However, in VR, you get two view points, which are to the left and the right of that view:

 

VRlefteye.thumb.jpg.64fb6170cb73777f70ee

 

VRrighteye.thumb.jpg.cd7e45e87f65603c563

 

Of course, these viewpoints see objects from a different angle and can see things that are hidden from the 2D view.

 

1280746717_Lefteyebarrelreplacement.thum

 

Now the game only uses the information available to the "2D view" to generate the objects you can see.

In the picture above, I have used the left eye's view and the "2D view" as an example.

According to the "2D view", from the commander's point of view, you can only see half of the gun barrel to the left of the machine gun. The left eye has a different angle though and could see the entire barrel and a bit of ground.

 

Now what the game does is the following: it has no information on the area the left eye can see that is hidden from the "2D view". And it just duplicates what the "2D view" sees next to the mg barrel (the next object that both views can commonly see) to fill the gap. In this example, it uses the areas I marked in cyan and puts them where the white marking is.

 

For this example picture it means:

 

Purple areas: fine, since they are covered both by the left eye and the 2D view

Red areas: fine, since the 2D view knows them, but they are hidden from the left eye

Blue areas: bugged, since only the left eye's camera can see it and the game fills it with the next information that is available to the 2D view

 

 

I hope, I could explain this in a comprehendible way and I hope that it will get fixed soon.

 

I have opened a topic on this a while ago in the tech section, before getting an idea for a cause and got only few responses.

 

In the other topic, there are also sources that show that I am not the only one affected and that it also is not exclusive to my VR headset.

 

It can easily be reconstructed by going into a test drive in the Jumbo Sherman with the long gun in VR and looking down. It is especially dizzying while moving.

 

 

Thank you very much in advance for any help. o7

 

PointyPuffin

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Hi

 Is the HTC Vive Cosmos "FULLY" Oculus Rift compatible?

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Hi, 

 

The game supposedly supports the HTC Vive. And everything works fine, there are no issues with the camera movement or with stereoscopic 3D.

 

Replicating the error is fairly easy:

Use any tank, preferably one with a rooftop mg directly below the commander's viewpoint (the M4A3E2 is ideal for this) in VR. 

Since I have seen the same issue in all videos by Youtubers, who have shown tanks in VR since 2016, I think that the issue is not related to the model of VR headset. 

 

If my theory is correct and the game uses the regular "2D view" to determine, which objects are visible and which aren't, then the fix would be to make that "feature" inactive when the "VR mode" box is checked

(I think, I can recall something like this system has been talked about back in 2015 to prevent players on low quality settings to spot enemies through objects, which I believe, is why it does not affect actual 1st person views, like cockpits). 

 

Here are the clog and DxDiag files:

 

 

2021_01_05_15_31_58__23524.clog DxDiag.txt

Edited by PointyPuffin
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Thanks for that.

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I just tested the issue with my Oculus Quest 2 with the official Oculus Link feature (wired PC connection) and I have a very similar issue but with a weird shimmer / cloak effect. Many objects look like they are surrounded by some weird glass that bends light. This issue is present since I first tested the VR mode like 1.5 years ago with a Rift S.

On a tank it's mostly visible at the MG handle and under the barrel and at the antenna.

 

Here my CLog: 2021_01_06_13_07_45__16976.clog

Here my DxDiag: DxDiag.txt

Here a video showing the issue on a Jumbo and a B7A2 back gunner:

 

Edited by TinyTinkerTank
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@TinyTinkerTank

 

Update your NVIDIA driver.  It is not the latest and re-test please.

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3 hours ago, KnightoftheAbyss said:

@TinyTinkerTank

 

Update your NVIDIA driver.  It is not the latest and re-test please.

... Did that ever fix any issue?

I just updated my driver and restarted my whole system and the issue is still exactly the same. Here my new DxDiag: DxDiag.txt

Here a new in game screenshot of the issue which is unchanged:

20210107002422_1.thumb.jpg.e38f33e1b3724

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On 07/01/2021 at 09:30, TinyTinkerTank said:

Did that ever fix any issue?

Yes. It has. Many times!  That's why we ask for it to be done! :facepalm:  Sometimes, you also want to be able to rule out causes!!!  What a concept!!;)

 

 

 

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Hi
  Thank you for your interest and help improving the game.  

Your information has been forwarded to the Developers for their consideration.  

If there is anything further regarding this report a Technical Moderator will contact you.

Thank you again for your support.

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  • KnightoftheAbyss changed the title to Rptd: VR causing dublicate image parts for each eye in 3rd person views
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