# Particle engine

**URL:** <https://discourse.threejs.org/t/particle-engine/8044>\
**Category:** Showcase\
**Tags:** particles\
**Created:** [June 11, 2019, 9:51pm UTC](https://discourse.threejs.org/t/particle-engine/8044 "2019-06-11T21:51:31Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![Usnul](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.threejs.org/usnul/32/2355_2.png) [@Usnul](https://discourse.threejs.org/u/Usnul)\
**Post date:** [August 22, 2019, 2:12am UTC](https://discourse.threejs.org/t/particle-engine/8044/14 "2019-08-22T02:12:39Z")

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I made a small demo of particle sorting.

[http://server1.lazy-kitty.com/tests/particles\_sorting\_2019\_08\_22/](http://server1.lazy-kitty.com/tests/particles_sorting_2019_08_22/)

 ![image](https://canada1.discourse-cdn.com/flex035/uploads/threejs/original/2X/f/f19eb9df5af64874134457da939496cf377309ed.jpeg)

there are 1500 particles in each “cloud”, sorting on my machine takes around 0.5ms per frame.

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