useDraggableDistance 
获取拖拽距离
演示 
示例 
vue
<template>
  <div ref="targetRef" :style="{ transform: `translate(${x}px, ${y}px)` }">
    ...
  </div>
</template>
<script lang="ts" setup>
  import { ref } from 'vue';
  import { useDraggableDistance } from '@mixte/use';
  const targetRef = ref();
  const { x, y, isDragging } = useDraggableDistance(targetRef);
</script>