# Why does my lighting "tile"?

**URL:** <https://forums.unrealengine.com/t/why-does-my-lighting-tile/2568424>\
**Category:** Rendering\
**Tags:** unreal-engine, question\
**Created:** [June 20, 2025, 9:00pm UTC](https://forums.unrealengine.com/t/why-does-my-lighting-tile/2568424 "2025-06-20T21:00:08Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![LeadingSumo9835](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@LeadingSumo9835](https://forums.unrealengine.com/u/LeadingSumo9835)\
**Post date:** [June 20, 2025, 9:00pm UTC](https://forums.unrealengine.com/t/why-does-my-lighting-tile/2568424/1 "2025-06-20T21:00:08Z")

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By the way I know about the weird lighting bug with the hole too, im just wondering about the weird lines between darkness and lights. Help?

 ![image](https://d3kjluh73b9h9o.cloudfront.net/original/4X/8/2/9/829f5e4c9799826d8a925fe637fb5f24998f83f8.jpeg)

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**Author:** ![Ivan3z](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Ivan3z](https://forums.unrealengine.com/u/Ivan3z)\
**Post date:** [June 21, 2025, 1:03am UTC](https://forums.unrealengine.com/t/why-does-my-lighting-tile/2568424/2 "2025-06-21T01:03:55Z")

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Take at look at this

> [@How to reduce noise?](https://forums.unrealengine.com/t/how-to-reduce-noise/1883677/2):
>
> This does work… [[Fix Lumen Light Flickering in Unreal Engine 5.3 Tutorial] ](https://www.youtube.com/watch?v=8kKSubVmQHM) But the performance is horrible… A better solution is welcome. Thank you so much!!

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<div class="post-metadata">

**Author:** ![LeadingSumo9835](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@LeadingSumo9835](https://forums.unrealengine.com/u/LeadingSumo9835)\
**Post date:** [June 21, 2025, 10:38am UTC](https://forums.unrealengine.com/t/why-does-my-lighting-tile/2568424/3 "2025-06-21T10:38:46Z")

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Sorry but I added the noise using Film Grain and a post processing material, i was just wondering about the weird lines between each shadow

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**Author:** ![Ivan3z](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Ivan3z](https://forums.unrealengine.com/u/Ivan3z)\
**Post date:** [June 22, 2025, 1:15am UTC](https://forums.unrealengine.com/t/why-does-my-lighting-tile/2568424/4 "2025-06-22T01:15:54Z")

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Ok, i’m sorry… i don’t know