<div class="stagger-visualizer"></div>

body,
html{
  position: absolute;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  background-color: #F6F4F2;
}

.stagger-visualizer {
  display: flex;
  /*flex-wrap: wrap;*/
  justify-content: center;
  align-items: center;
  width: 450px;
  height: 450px;
}

.stagger-visualizer div {
  /*position: absolute;*/
  width: 64px;
  height: 128px;
  border: 1px solid #373535;
  background-color: #F6F4F2;
}

  const staggerVisualizerEl = document.querySelector('.stagger-visualizer');
  const fragment = document.createDocumentFragment();
  const numberOfElements = 81;

  for (let i = 0; i < numberOfElements; i++) {
    fragment.appendChild(document.createElement('div'));
  }

  staggerVisualizerEl.appendChild(fragment);

  const staggersAnimation = anime.timeline({
    targets: '.stagger-visualizer div',
    easing: 'easeInOutSine',
    delay: anime.stagger(50),
    loop: true,
    autoplay: false,
    duration: 600,
    loopComplete: (a) => console.log('end'),
    //update: () => console.log(staggersAnimation.progress)
  })
  .add({
    scale: anime.stagger([2.5, 1], {from: 'center', grid: [9, 9]}),
    translateX: anime.stagger([-100, 100]),
    rotate: anime.stagger([-45, 45]),
    easing: 'easeInOutCirc',
    delay: anime.stagger(10, {from: 'center'})
  })
  .add({
    scale: anime.stagger([2.5, 1], {from: 'center', easing: 'easeInOutCirc'}),
    translateX: anime.stagger([-200, 200]),
    translateY: anime.stagger([-200, 200]),
    rotate: 0,
    delay: anime.stagger(1, {from: 'last'})
  })
  .add({
    rotate: anime.stagger(2, {from: 'center', direction: 'reverse', easing: 'easeInSine'}),
    translateX: 0,
    translateY: 0,
    delay: anime.stagger(10, {from: 'center'})
  })
  .add({
    scale: anime.stagger([2, 1], {grid: [9, 9], axis: 'y'}),
    translateY: anime.stagger([-100, 200], {grid: [9, 9], axis: 'y'}),
    rotate: 0,
    delay: anime.stagger(1, {from: 'last'})
  })
  .add({
    translateX: () => anime.random(-100, 100),
    translateY: () => anime.random(-100, 100),
    scale: anime.stagger([1.5, .5], {from: 'center'}),
    rotate: anime.stagger([10, -10], {from: 'last'}),
    delay: anime.stagger(50, {from: 'center', grid: [9, 9]}),
  })
  .add({
    translateX: () => anime.random(-100, 100),
    translateY: () => anime.random(-100, 100),
    rotate: anime.stagger([-10, 10], {from: 'last'}),
    scale: 1,
    delay: anime.stagger(50, {from: 'center', grid: [9, 9]}),
  })
  .add({
    translateX: 0,
    translateY: anime.stagger(6, {from: 'center', direction: 'reverse'}),
    rotate: 0,
    delay: anime.stagger(50, {from: 'center', grid: [9, 9]}),
  })
  .add({
    translateX: anime.stagger('1rem', {grid: [9, 9], from: 'center', axis: 'x'}),
    //translateY: anime.stagger('1rem', {grid: [9, 9], from: 'center', axis: 'y'}),
    delay: anime.stagger(200, {grid: [9, 9], from: 'center', direction: 'reverse'})
  })
  .add({
    translateX: anime.stagger([25, -25], {from: 'first'}),
    translateY: 0,
    rotate: anime.stagger([40, -40], {from: 'first'}),
    delay: anime.stagger(10, {from: 'first'}),
  })
  .add({
    translateY: anime.stagger([-240, 240]),
    rotate: () => anime.random(-100, 100),
    scale: anime.stagger([1, 3], {from: 'center'}),
    delay: anime.stagger(10, {from: 0}),
  })
  .add({
    translateX: 0,
    translateY: 0,
    scale: 1,
    rotate: 360,
    duration: 2000,
    delay: 0,
  });

  staggersAnimation.play();