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Lighting becomes Saturated when obscured

How does one prevent lighting saturation from whiting out the gamplay screen?

My current issue is a bit difficult to articulate so I provided a video to display the dilemma. At the 7 second mark the lighting starts becoming saturated when the light source is obscured by an object, and returns to normal after my character leaves the valley.


I have attempted removing the light sources, but a glow still persists. I have been tweeking with the world lightmass settings, indirect lighting and lighting saturation however I having no success with mitigating this effect. Any direction would be appreciated.

Product Version: UE 4.22
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asked Jul 09 '19 at 01:15 PM in Rendering

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That is because of the eye adaptation on the post process volume. Simply go to the post process volume on your level (or in your character's camera settings > Post processing), go to the Eye Adaptation section and set the min light and the max light to the same number to dissable the effect (1 and 1 for each value for instance). That will avoid this from happening.

Why is this happening? Eye adaptation simulates the ability of our eyes to go from a very bright environment to a dark one and get used to the darkness in it. It might be useful for a first person game, but in some cases its better to just dissable it.

Hope it helps! make it a great day!

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answered Jul 10 '19 at 02:45 PM

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avatar image CoffeeLocke Jul 10 '19 at 11:26 PM

Thank you! I believed it was an Indirect lighting problem. Now everything is even!

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