<!--
 * 变形动画
  -->
<script setup lang="ts">
import { ref, onMounted } from 'vue';
import anime from 'animejs/lib/anime.es.js';

const containerRef = ref<any>(null);

onMounted(() => {
  for (let i = 1; i <= 100; i++) {
    const dot = document.createElement('div');
    dot.classList.add('element');
    containerRef.value.appendChild(dot);
  }

  const dotAll = document.querySelectorAll('.element');
  const animation = anime.timeline({
    targets: dotAll,
    easing: 'easeInOutExpo',
    delay: anime.stagger(100, { grid: [10, 10], from: 'center' }),
    loop: true,
  });
  animation
    .add({
      rotateZ: 180,
      translateY: anime.stagger(-20, {
        grid: [10, 10],
        from: 'center',
        axis: 'y',
      }),
      translateX: anime.stagger(-20, {
        grid: [10, 10],
        from: 'center',
        axis: 'x',
      }),
      opacity: 1,
    })
    .add({
      borderRadius: 50,
    })
    .add({
      scale: 0.2,
      opacity: 0.2,
    })
    .add({
      rotateZ: 180,
      translateY: anime.stagger(0, {
        grid: [10, 10],
        from: 'center',
        axis: 'y',
      }),
      translateX: anime.stagger(0, {
        grid: [10, 10],
        from: 'center',
        axis: 'x',
      }),
      opacity: 1,
    })
    .add({
      scale: 1,
      borderRadius: 0,
    })
    .add({
      rotateZ: -90,
    });
});
</script>
<template>
  <div class="box">
    <div class="container" ref="containerRef"></div>
  </div>
</template>

<style lang="scss" scoped>
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:deep(.container .element) {
  position: relative;
  width: 40px;
  height: 40px;
  background-color: #fff;
  scale: 0.75;
}
.box {
  width: 100%;
  height: 100%;
  background-color: #222;
  display: flex;
  justify-content: center;
  align-items: center;
}
.container {
  position: relative;
  min-width: 400px;
  width: 400px;
  height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
</style>