<div style="display: flex; align-items: center; justify-content: center">
  <el-icon size="30" @click="clickArrow('left')"><ArrowLeft /></el-icon>
  <div class="carousel-wrapper" ref="carouselRef">
    <div
      v-for="(carousel, index) in carouselList"
      :key="carousel.id"
      :data-base-id="carousel.id"
      class="item"
      :style="computedStyle(index)"
    >
      <img :src="carousel.url" />
    </div>
  </div>
  <el-icon size="30" @click="clickArrow('right')"><ArrowRight /></el-icon>
</div>

const carouselList = ref([
  {
    id: 1,
    url: new URL('../../assets/images/1.jpg', import.meta.url).href
  },
  {
    id: 2,
    url: new URL('../../assets/images/2.jpg', import.meta.url).href
  },
  {
    id: 3,
    url: new URL('../../assets/images/3.jpg', import.meta.url).href
  },
  {
    id: 4,
    url: new URL('../../assets/images/4.jpg', import.meta.url).href
  },
  {
    id: 5,
    url: new URL('../../assets/images/5.jpg', import.meta.url).href
  }
])

const carouselRef = ref()
type CarouseInfo = {
  x: number[]
  y: number[]
  z: number[]
  opacity: number[]
}
const carouselInfo = reactive<CarouseInfo>({
  x: [],
  y: [],
  z: [],
  opacity: []
})

const baseParams = {
  x: 150,
  xOffset: -300,
  y: -25,
  yOffset: 50,
  opacity: 0.6,
  opacityOffset: 0.2
}

const computedStyle = (i: number) => {
  const { opacity, opacityOffset, xOffset, yOffset } = baseParams
  let z = 0
  let opacityNum = 0
  let x = i * baseParams.x + xOffset
  let y = i * baseParams.y + yOffset
  const centerIndex = (carouselList.value.length - 1) / 2

  if (i <= centerIndex) {
    z = i * 5
    opacityNum = i * opacityOffset + opacity
  } else {
    const baseIndex = i - centerIndex * (i - centerIndex)
    z = baseIndex * 5
    opacityNum = baseIndex * opacityOffset + opacity
  }
  carouselInfo.x.push(x)
  carouselInfo.y.push(y)
  carouselInfo.z.push(z)
  carouselInfo.opacity.push(opacityNum)
  return {
    transform: `translateX(${x}px) rotateY(${y}deg) scale(${opacityNum})`,
    zIndex: z,
    opacity: opacityNum
  }
}

.carousel-wrapper {
  width: 900px;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  transform-style: preserve-3d;
  overflow: hidden;
  perspective: 1000px;
}
.item {
  position: absolute;
  user-select: none;
}

const switchPosition = (val: number[], type = 'right') => {
  const target = type === 'right' ? val.shift() : val.pop()
  type === 'right' ? val.push(target!) : val.unshift(target!)
  return val
}

const clickArrow = (arrowType: string) => {
  const x = switchPosition(carouselInfo.x, arrowType)

  const y = switchPosition(carouselInfo.y, arrowType)
  const z = switchPosition(carouselInfo.z, arrowType)
  const opacity = switchPosition(carouselInfo.opacity, arrowType)

  Array.from(carouselRef.value.children).forEach((item, index) => {
    ;(item as HTMLDivElement).style.zIndex = z[index].toString()
    anime({
      targets: item as HTMLDivElement,
      translateX: x[index],
      rotateY: y[index],
      scale: opacity[index],
      opacity: opacity[index],
      easing: 'linear'
    })
  })
}