">"><script>
{
const body = document.body;
const MathUtils
= { lerp: (a, b, n) => (1 - n)
* a + n * b, distance: (x1,y1,x2,y2) => Math.hypot(x2-x1, y2-y1)
}
et winsize; const calcWinsize = () => winsize = {width: window.innwidth: window.innerWidterHeerWidth, height: window.eerWidth, height: innerHeight};