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Normal Topic White stripes on BSP edges with DistanceFog (Read 181 times)
Krull0r
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White stripes on BSP edges with DistanceFog
Jun 15th, 2017 at 7:21pm
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Moin,


I have a problem with my maps. When I stand still and look on a wall where some stones from the wall are "added" and "subtracted" white edges
appear.

Is there a way to fix this issue?
Or does someone know what cause this?


Here is a screenshot.


  

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Kajgue
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Re: White stripes on BSP edges with DistanceFog
Reply #1 - Jun 15th, 2017 at 8:12pm
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Krull0r wrote on Jun 15th, 2017 at 7:21pm:
Moin,


I have a problem with my maps. When I stand still and look on a wall where some stones from the wall are "added" and "subtracted" white edges
appear.

Is there a way to fix this issue?
Or does someone know what cause this?


Here is a screenshot.

http://wg1165843.virtualuser.de/unrealdev/Krullstuff/227Stuff/WhiteStripes.jpg


Yo Krullor,

In earlier versions of the engine, these white stripes were common where there were 'brush changes' (where one brush would meet another), it may still be the issue, but i'm not sure.

I'm also getting something similar where two surfaces meet, very close to the camera and without distancefog, in something I'm working on recently.

The old method Drew taught me for avoiding these anomolies is to make sure all of these brushes in the area where it's occuring are either intersected or joined as one brush, but that isn't a flawless method, as I can imagine that might cause some BSP issues depending on the setting of the white flickering edges.
  

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Re: White stripes on BSP edges with DistanceFog
Reply #2 - Jun 16th, 2017 at 3:42am
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Wasn't this also caused by improperly clamped textures? IIRC there was a thread at UA years back about how to fix these in a skybox by slightly adjusting clamp values.
  

I'm outta here. C ya!
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