Lucifurry

That PR is still opened)

Yes, most likely Math functions are slower due to the dynamic number of parameters However, after examining the source code of Matter.js, I did not find cases of passing more...

Yes, right now I'm working on interacting with bodies, so I will publish a version with this functionality in the next week)

Finally, I can imagine the [first stage of the functionality of interaction with bodies](https://wexelus.github.io/matter-liquid/#bodies) I decided to focus only on checking collisions with `body.verticles`, this is the most optimal solution...

**Hello again)** Added simple fluid mass support: [Demo](https://wexelus.github.io/matter-liquid/#multi_liquid)

**こにちわ !)** Another new major feature has been implemented: [Chemical reactions](https://wexelus.github.io/matter-liquid/#chemics) (more precisely, pseudo-chemical) At the moment, this only works between particles, later I will implement reactions with bodies