# ParticleHelper Rain with WebGPU flash

**URL:** <https://forum.babylonjs.com/t/particlehelper-rain-with-webgpu-flash/56365>\
**Category:** Bugs\
**Tags:** particles\
**Created:** [February 3, 2025, 5:49pm UTC](https://forum.babylonjs.com/t/particlehelper-rain-with-webgpu-flash/56365 "2025-02-03T17:49:43Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Dad72](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/dad72/32/13_2.png) [@Dad72](https://forum.babylonjs.com/u/Dad72)\
**Post date:** [February 3, 2025, 5:49pm UTC](https://forum.babylonjs.com/t/particlehelper-rain-with-webgpu-flash/56365/1 "2025-02-03T17:49:43Z")

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Hello,

There is a concern with the rain particle system using patticlehelper when using webgpu (with webgl 2 it works correctly).

There is a flashing which I think should not do this.

See PG :

> **[Babylon.js Playground](https://playground.babylonjs.com/#XQ8H3C%230)**
>
> Babylon.js playground is a live editor for Babylon.js WebGL and WebGPU 3D scenes

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**Author:** ![Deltakosh](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/deltakosh/32/26635_2.png) [@Deltakosh](https://forum.babylonjs.com/u/Deltakosh)\
**Post date:** [February 3, 2025, 8:08pm UTC](https://forum.babylonjs.com/t/particlehelper-rain-with-webgpu-flash/56365/2 "2025-02-03T20:08:31Z")

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cc @Evgeni_Popov

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**Author:** ![Deltakosh](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/deltakosh/32/26635_2.png) [@Deltakosh](https://forum.babylonjs.com/u/Deltakosh)\
**Post date:** [February 3, 2025, 8:09pm UTC](https://forum.babylonjs.com/t/particlehelper-rain-with-webgpu-flash/56365/3 "2025-02-03T20:09:42Z")

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oh I see!  
I’m on it! no worries

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**Author:** ![Deltakosh](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/deltakosh/32/26635_2.png) [@Deltakosh](https://forum.babylonjs.com/u/Deltakosh)\
**Post date:** [February 3, 2025, 8:12pm UTC](https://forum.babylonjs.com/t/particlehelper-rain-with-webgpu-flash/56365/4 "2025-02-03T20:12:01Z")

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here we are:  
[Fix missing conversion by deltakosh · Pull Request #16139 · BabylonJS/Babylon.js](https://github.com/BabylonJS/Babylon.js/pull/16139)

Thanks for the report!!

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<div class="post-metadata">

**Author:** ![Dad72](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/dad72/32/13_2.png) [@Dad72](https://forum.babylonjs.com/u/Dad72)\
**Post date:** [February 3, 2025, 8:34pm UTC](https://forum.babylonjs.com/t/particlehelper-rain-with-webgpu-flash/56365/5 "2025-02-03T20:34:07Z")

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Thank you DK