Search in
Sort by:

Question Status:

Search help

  • Simple searches use one or more words. Separate the words with spaces (cat dog) to search cat,dog or both. Separate the words with plus signs (cat +dog) to search for items that may contain cat but must contain dog.
  • You can further refine your search on the search results page, where you can search by keywords, author, topic. These can be combined with each other. Examples
    • cat dog --matches anything with cat,dog or both
    • cat +dog --searches for cat +dog where dog is a mandatory term
    • cat -dog -- searches for cat excluding any result containing dog
    • [cats] —will restrict your search to results with topic named "cats"
    • [cats] [dogs] —will restrict your search to results with both topics, "cats", and "dogs"

Office Holiday

Epic Games' offices will be on holiday from June 22nd to July 7th. During this period support will be limited. Our offices will reopen on Monday, July 8th. 

[4.17] Volumetric Fog Artifacting Bug?

Im not sure whether its my GPU failing or if its the Engine. I just Upgraded my project to 4.17 and was playing around with the Volumetric Fog and i encountered this problem:

alt text if I dIsable Volumetric fog the artifacting goes away.

Product Version: UE 4.17
more ▼

asked Aug 15 '17 at 10:40 PM in Using UE4

avatar image

50 14 14 21

avatar image Skifree Jan 12 '18 at 10:46 PM

I also have this problem in 4.18

avatar image seanny Jan 05 '19 at 02:13 PM

Same here. UE4.21.1, 1080 Ti w/ driver 417.35, using the forward renderer. Just happens at random when I'm flying around the scene or previewing the game. I tried toggling all the ExponentialHeightFog actor parameters, removing all scene lights and postprocessing, but nothing seems to affect it once the inky blackness starts infecting the volume.

alt text

fog.png (617.7 kB)
(comments are locked)
10|2000 characters needed characters left
Viewable by all users

1 answer: sort voted first

Here's a preliminary answer. tl;dr reduce the v.fog view distance. I only tested this for a few minutes so who knows if the issue will return. I had the volumetric fog view distance parameter set to 400,000 units and could trigger the issue semi-consistently. I reduced it to 200,000 and the issue has yet to resurface. (And to be safe, I now have it set to 100,000. My game is a hovercar driving game where the vehicle travels 10,000 UU/sec, so distance-related parameters often need to be set large.)

alt text

fogsettings.png (12.4 kB)
more ▼

answered Jan 05 '19 at 02:41 PM

avatar image

29 3 3

(comments are locked)
10|2000 characters needed characters left
Viewable by all users
Your answer
toggle preview:

Up to 5 attachments (including images) can be used with a maximum of 5.2 MB each and 5.2 MB total.

Follow this question

Once you sign in you will be able to subscribe for any updates here

Answers to this question