# Curved shadows after building lightning (Stationary)

**URL:** <https://forums.unrealengine.com/t/curved-shadows-after-building-lightning-stationary/481391>\
**Category:** Rendering\
**Tags:** light, stationary-lights, light-build, unreal-engine, Lighting, question\
**Created:** [April 4, 2021, 8:55pm UTC](https://forums.unrealengine.com/t/curved-shadows-after-building-lightning-stationary/481391 "2021-04-04T20:55:35Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ishtmeet\_singh](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@ishtmeet\_singh](https://forums.unrealengine.com/u/ishtmeet_singh)\
**Post date:** [April 4, 2021, 8:55pm UTC](https://forums.unrealengine.com/t/curved-shadows-after-building-lightning-stationary/481391/1 "2021-04-04T20:55:35Z")

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Hi,  
Whenever I am building lightning using stationary directional light and sky light, I get some curvy looking shadows. I’ve even set my lightmap resolution to 1024 but still nothing helps.

After the lightning has built, if I change the skylights’ indirect intensity to any value, the shadows show up properly as shown in 2nd image, but it asks me to build lightning again, and hence ends up with the curved shadows again.

Since, I am targeting the mobile platform, I want to use stationary lights.

After lightning built -

 ![334752-reddit-2.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/b/2/6/b265a20af9cf09debefbd26a3ec74cd2a09d25af.jpeg)

If I change skylight’s indirect intensity to any value -

 ![334753-reddit.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/d/c/c/dcc58331af07620f0f808bae374d05c10ecae267.jpeg)

My UV’s

 ![334754-reddit-2.png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/9/b/f/9bf30b6741b7cf2057aead1f7a91ac2af6e828d5.png)

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**Author:** ![ClockworkOcean](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/clockworkocean/32/1169999_2.png) [@ClockworkOcean](https://forums.unrealengine.com/u/ClockworkOcean)\
**Post date:** [April 4, 2021, 9:55pm UTC](https://forums.unrealengine.com/t/curved-shadows-after-building-lightning-stationary/481391/2 "2021-04-04T21:55:34Z")

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It’s the lightmap res of the ground that’s the problem. That’s where the shadow is drawn…

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**Author:** ![ishtmeet\_singh\_3](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@ishtmeet\_singh\_3](https://forums.unrealengine.com/u/ishtmeet_singh_3)\
**Post date:** [April 5, 2021, 6:57am UTC](https://forums.unrealengine.com/t/curved-shadows-after-building-lightning-stationary/481391/3 "2021-04-05T06:57:02Z")

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How do you set the landscape’s lightmap resolution?

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**Author:** ![ClockworkOcean](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/clockworkocean/32/1169999_2.png) [@ClockworkOcean](https://forums.unrealengine.com/u/ClockworkOcean)\
**Post date:** [April 5, 2021, 8:27am UTC](https://forums.unrealengine.com/t/curved-shadows-after-building-lightning-stationary/481391/4 "2021-04-05T08:27:46Z")

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![334779-screenshot-1.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/c/c/e/cce868555a28fd6fb9f6174befa8410100d908f3.jpeg)

You don’t need to go as crazy as with a mesh. 4 might do the trick. If you have to get higher than 12, maybe we can find another way…