How do you achieve a particle effect like this?

first post the link
https://www.hotsarstore.com/home
like the effect of the home page,
1, mouse skimming and so on to show
2, hair effect? How to describe
3, Light and Shadow Movement
Please

Mar.25,2021

three.js
although the source code is encrypted and compressed, we have found clues. The source code should be based on vue scaffolding development.

clipboard.png

canvas

clipboard.png

clipboard.png

processData

clipboard.png

three.jsscenecamera rendere

clipboard.png

The level of

is limited, we can only see that how to realize it won't help.
three.js hasn't started yet

For

3D particle effects, please see three.js three.js demo http://techbrood.com/threejs/.

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