Strange Reflections at Screen Edge when moving Camera in Viewport Editor and Game

Development Rendering
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Hi! I have a very strange issue where white reflections appear both in the screen edge viewport editor and in the actual game when moving the camera. I have attached a gif of the problem and here is a list of troubleshooting steps I have taken:

unreal-reflection

  1. This only occurs in a specific map level.
  2. If I change the default pawn class to another character (World Settings) and hit play, the issue disappears, although it still appears in the editor.
  3. I initially thought it was related to the main BP_PlayerCharacter, but in a different level with the same character, there are no problems.
  4. I have tried removing Postprocess volume, but it didn’t work.
  5. This occurs throughout the entire map of this level, both indoors and outdoors.

What could be causing this? Any ideas?

Thank you very much!
Have a nice day :slight_smile:

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I think it’s occlusion culling.

When the mesh goes out of scene, it’s not actually drawn, and then you swing the camera quickly, the engine takes a moment to re-draw it.

You can either increase the objects bounds ( in the mesh details ), or temporarily turn off occlusion culling, see this post

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Finally, I managed to identify the problem as a glitch in one of the assets of my game, “Ultra Dynamic Sky,” and it was completely resolved after updating it. It seems that a combination of this asset issue and something else that caused the problem. Furthermore, this issue was not resolved by disabling occlusion culling from the settings panel. However, I’m still puzzled as to why the issue didn’t occur when using a different character, despite using the same asset. It appears to be a complex interplay of multiple factors, including the specific level map. Thanks for all :slight_smile:

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