# Foliage has a Shadow noise/grain - How to fix it? **URL:** \ **Category:** Rendering\ **Tags:** noise, unreal-engine, Anti-Aliasing, Foliage, ambient-occlusion, Nanite, question\ **Created:** [December 13, 2022, 12:28pm UTC](https://forums.unrealengine.com/t/foliage-has-a-shadow-noise-grain-how-to-fix-it/727330 "2022-12-13T12:28:13Z")\ **Posts on this page:** 1\ **Showing post:** 23
**Author:** ![Renanmgs](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Renanmgs](https://forums.unrealengine.com/u/Renanmgs)\ **Post date:** [December 19, 2022, 2:18pm UTC](https://forums.unrealengine.com/t/foliage-has-a-shadow-noise-grain-how-to-fix-it/727330/23 "2022-12-19T14:18:09Z")
Found an old thread abot the same problem I guess… > [@Issues with grass meshes](https://forums.unrealengine.com/t/issues-with-grass-meshes/211436/): > > Hey, As you can see in [this video](https://streamable.com/rq54rj), the grass meshes I am using have this weird noise over them when (and only when) moving the camera, especially when looked at from far away. The problem is not related to the material (since it was the same for similar materials) but likely either mesh configuration (the mesh itself worked fine in another enviroment) or lighting. A thing I noticed is that as you can see [here](https://streamable.com/0368ck), the Distance Field AO visualizer shows the same behavior as the noise. I also tried… --- _[View the full topic](https://forums.unrealengine.com/t/foliage-has-a-shadow-noise-grain-how-to-fix-it/727330)._