script.js

//Shery.imageEffect(element,configuration)
Shery.imageEffect(".back", {style:5 , config: {"a":{"value":2,"range":[0,30]},"b":{"value":-0.94,"range":[-1,1]},"zindex":{"value":-9996999,"range":[-9999999,9999999]},"aspect":{"value":1.7296089726453387},"ignoreShapeAspect":{"value":true},"shapePosition":{"value":{"x":0,"y":0}},"shapeScale":{"value":{"x":0.5,"y":0.5}},"shapeEdgeSoftness":{"value":0,"range":[0,0.5]},"shapeRadius":{"value":0,"range":[0,2]},"currentScroll":{"value":0},"scrollLerp":{"value":0.07},"gooey":{"value":true},"infiniteGooey":{"value":true},"growSize":{"value":4,"range":[1,15]},"durationOut":{"value":1,"range":[0.1,5]},"durationIn":{"value":1.5,"range":[0.1,5]},"displaceAmount":{"value":0.5},"masker":{"value":true},"maskVal":{"value":1.21,"range":[1,5]},"scrollType":{"value":0},"geoVertex":{"range":[1,64],"value":1},"noEffectGooey":{"value":false},"onMouse":{"value":1},"noise_speed":{"value":0.76,"range":[0,10]},"metaball":{"value":0.2,"range":[0,2]},"discard_threshold":{"value":0.5,"range":[0,1]},"antialias_threshold":{"value":0,"range":[0,0.1]},"noise_height":{"value":0.34,"range":[0,2]},"noise_scale":{"value":16.03,"range":[0,100]}}, gooey: true} )

var elem = document.querySelectorAll(".elem");

elem.forEach(function(elem){

    var h1s = elem.querySelectorAll("h1");
    var index = 0;
    var animating = false;
    document.querySelector("#main")
    .addEventListener("click",function(){
      
        if(!animating){
            animating = true;
            gsap.to(h1s[index],{
            top:"-=100%",
            ease: Expo.easeInOut,
            duration:1,
            onComplete: function(){
                gsap.set(this._targets[0], {top: "100%"})
                animating = false;
            },
            
        })
    
        index === h1s.length - 1 ? (index = 0) : index++;
    
        gsap.to(h1s[index],{
            top:"-=100%",
            ease: Expo.easeInOut,
            duration:1
        })
        }

    })


})