<template>
  <div class="container">
    <div class="marquee">
      <div
        class="track"
        :style="{
          animationDuration: speed + 's',
          animationPlayState: isPaused ? 'paused' : 'running',
        }"
      >
        <template v-for="(img, i) in list2" :key="i">
          <img
            :src="img"
            class="item"
            @mouseenter="isPaused = true"
            @mouseleave="isPaused = false"
          />
          <p>
            {{ i }}
          </p>
        </template>
      </div>
    </div>
  </div>
</template>

<script setup>
import { computed, ref } from "vue";

const list = ref([
  "https://picsum.photos/200/120?1",
  "https://picsum.photos/200/120?2",
  "https://picsum.photos/200/120?3",
  "https://picsum.photos/200/120?4",
]);

const speed = ref(10);

// 双数组实现无缝滚动
const list2 = computed(() => [...list.value, ...list.value]);

// 是否暂停
const isPaused = ref(false);
</script>

<style scoped>
.container {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.marquee {
  width: 500px;
  overflow: hidden;
  white-space: nowrap;
}

.track {
  display: inline-flex;
  animation: scroll linear infinite;
}

.item {
  width: 140px;
  margin-right: 12px;
  object-fit: cover;
  cursor: pointer;
}

@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}
</style>