function locomotiveAnimation() {
gsap.registerPlugin(ScrollTrigger);
// Using Locomotive Scroll from Locomotive https://github.com/locomotivemtl/locomotive-scroll
const locoScroll = new LocomotiveScroll({
el: document.querySelector("#main"),
smooth: true,
});
// each time Locomotive Scroll updates, tell ScrollTrigger to update too (sync positioning)
locoScroll.on("scroll", ScrollTrigger.update);