# When rotated 180 degrees, the Tiles do not receive light?

**URL:** https://community.cesium.com/t/when-rotated-180-degrees-the-tiles-do-not-receive-light/32455
**Category:** Cesium for Unreal
**Created:** [May 26, 2024, 7:53am UTC](https://community.cesium.com/t/when-rotated-180-degrees-the-tiles-do-not-receive-light/32455 "2024-05-26T07:53:14Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![a5198945741](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/a5198945741/32/22762_2.png) [@a5198945741](https://community.cesium.com/u/a5198945741)
#### Post date: [May 26, 2024, 7:53am UTC](https://community.cesium.com/t/when-rotated-180-degrees-the-tiles-do-not-receive-light/32455/1 "2024-05-26T07:53:14Z")

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When rotated 180 degrees, the Tiles do not receive light，  
However, when you switch the Tiles to no light, the problem will be solved, but the material will become ugly  
 ![2](https://global.discourse-cdn.com/cesium/original/3X/2/1/21d548cc4b32b09e45d5648260801f79d1930213.jpeg)  
 ![1](https://global.discourse-cdn.com/cesium/original/3X/4/2/42ac6dbdacd31921f71dde737da70ff517a98dc4.jpeg)

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### Author: ![Kevin\_Ring](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/kevin_ring/32/2003_2.png) [@Kevin\_Ring](https://community.cesium.com/u/Kevin_Ring)
#### Post date: [May 27, 2024, 12:18am UTC](https://community.cesium.com/t/when-rotated-180-degrees-the-tiles-do-not-receive-light/32455/2 "2024-05-27T00:18:11Z")

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I answered your other thread:

> [@When rotated 180 degrees, the Tiles do not receive light](https://community.cesium.com/t/when-rotated-180-degrees-the-tiles-do-not-receive-light/32361):
>
> [1] [2] When rotated 180 degrees, the Tiles do not receive light， However, when you switch the Tiles to no light, the problem will be solved, but the material will become ugly

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### Author: ![a5198945741](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/a5198945741/32/22762_2.png) [@a5198945741](https://community.cesium.com/u/a5198945741)
#### Post date: [May 30, 2024, 6:09am UTC](https://community.cesium.com/t/when-rotated-180-degrees-the-tiles-do-not-receive-light/32455/3 "2024-05-30T06:09:00Z")

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Yes, I need your answer in another post