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Lens Flares are cut off when near a large bright Object

Discovered this in-game while testing death zones and was quickly able to reproduce it in the editor as well. The further away I go the less it's visible, but the distance I'm at is pretty much a normal and reasonable distance to the object.

See screenshot below: alt text

I was partially able to fix it by decreasing Intensity and increasing the bokeh size (so it's blurred more) but it looks worse further away then. Any reason it doesn't do the fade like the other ones do?

Product Version: UE 4.11
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asked May 25 '16 at 09:06 PM in Rendering

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Hi Xaymar,

Post Process effects are Screen Space oriented meaning that they only work for what is visible within the screen.

This is why you get the harder edge that looks like the corner of your screen from the top left. You can offset this effect by using the threshold and bokehsize properties in the post process volume settings.

I hope this helps.


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answered May 26 '16 at 02:28 AM

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Tim Hobson ♦♦ STAFF
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avatar image Xaymar Jun 03 '16 at 10:23 AM

Hey Tim,

it helps a bit, though it doesn't look perfect. Would it be possible to file a feature request so that the small lens flares have the same fade out near the edge that the large lens flares do?

  • Xaymar

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