pennerts

Penner (Easing) functions in ES6

Usage no npm install needed!

<script type="module">
  import pennerts from 'https://cdn.skypack.dev/pennerts';
</script>

A collection of penner functions based on https://github.com/bcherny/penner but using modules and TypeScript.

import * as penner from 'penner';

const position = penner.linear(time, start, change, duration);

Also there is type declared called IPennerFunction you can use to reserve a variable to hold a function which will be assigned at a later time.

let pennerFunction: penner.IPennerFunction;
...
pennerFunction = penner.linear;
const position = pennerFunction(time, start, change, duration);