# Perturbing fog using noise

**URL:** <https://forum.babylonjs.com/t/perturbing-fog-using-noise/37937>\
**Category:** Questions\
**Created:** [February 4, 2023, 5:30pm UTC](https://forum.babylonjs.com/t/perturbing-fog-using-noise/37937 "2023-02-04T17:30:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![unicomp21](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/unicomp21/32/7989_2.png) [@unicomp21](https://forum.babylonjs.com/u/unicomp21)\
**Post date:** [February 4, 2023, 5:30pm UTC](https://forum.babylonjs.com/t/perturbing-fog-using-noise/37937/1 "2023-02-04T17:30:01Z")

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Is there any way to perturb fog? Using 3D or 4D noise?

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**Author:** ![Evgeni\_Popov](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/evgeni_popov/32/4432_2.png) [@Evgeni\_Popov](https://forum.babylonjs.com/u/Evgeni_Popov)\
**Post date:** [February 5, 2023, 10:02am UTC](https://forum.babylonjs.com/t/perturbing-fog-using-noise/37937/2 "2023-02-05T10:02:16Z")

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There’s no direct function to do it, but there are several nodes in the NME (worley and voronoi noise) if your material can be a node material and you can also try to create a material plugin to update the fog behavior.