export function AniMove(boss: cc.Node, lineChildren: cc.Node[], callback) {
  const speed = 300;
  cc.tween(boss)
    .to(getDistance(boss, lineChildren[0]) / speed, {
      x: lineChildren[0].x,
      y: lineChildren[0].y,
    })
    .to(getDistance(lineChildren[0], lineChildren[1]) / speed, {
      x: lineChildren[1].x,
      y: lineChildren[1].y,
    })
    .call(() => {
      callback && callback();
    })
    .start();
}

// 获得两点之间距离
export function getDistance(node1: cc.Node, node2: cc.Node) {
  return node1.position.sub(node2.position).mag();
}