# \#sr

**URL:** https://forum.babylonjs.com/tag/sr/428.md

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## [Snapshot rendering glow layer penetration](https://forum.babylonjs.com/t/snapshot-rendering-glow-layer-penetration/47459)

<div class="topic-metadata">

**Author:** [@zhangyahan](https://forum.babylonjs.com/u/zhangyahan)\
**Replies:** 9\
**Last updated:** [January 29, 2024, 9:35pm UTC](https://forum.babylonjs.com/t/snapshot-rendering-glow-layer-penetration/47459 "2024-01-29T21:35:15Z")

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with some angles, the box does not block the luminous layer behind it. I struggled with this problem for a long time, until I replicated it at pg. Please give me some advice I applied everything that could be optimize…

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## [Control the start and stop of GPUParticleSystem in snapshot mode](https://forum.babylonjs.com/t/control-the-start-and-stop-of-gpuparticlesystem-in-snapshot-mode/47316)

<div class="topic-metadata">

**Author:** [@zhangyahan](https://forum.babylonjs.com/u/zhangyahan)\
**Replies:** 4\
**Last updated:** [January 19, 2024, 9:18am UTC](https://forum.babylonjs.com/t/control-the-start-and-stop-of-gpuparticlesystem-in-snapshot-mode/47316 "2024-01-19T09:18:55Z")

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How do you control the start and stop of GPUParticleSystem in snapshot mode When I turn on the snapshot mode after the particle has rendered, and turn off the particle and reset the snapshot after 3 seconds, but the c…