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gsap
/
index.html

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.9.1/gsap.min.js"></script>
</head>
<style>
  .content {
    width: 800px;
    height: 500px;
    background-color: yellow;
    margin: 100px auto;
    padding: 10px;
    display: flex;
    justify-content: space-around;
  }

  .content .r1 {
    width: 100px;
    height: 100px;
    background-color: blue;
  }

  .content .r2 {
    width: 100px;
    height: 100px;
    background-color: cadetblue;
  }
</style>

<body>
  <div class="content">
    <div id="div_r1" class="r1"></div>
    <div id="div_r2" class="r2"></div>
  </div>
  <script>
    // 设置成以中心为轴 旋转
    gsap.set("#div_r1", {
      transformOrigin: "center"
    })
    gsap.set("#div_r2", {
      transformOrigin: "center"
    })
    var t1 = gsap.timeline() // 创建一个事件线
    t1.to("#div_r1", {
      x: 100,
      y: 100,
      scaleX: 2,
      fill: "red",
      storoke: "white",
      rotation: 360,
      strokeWidth: 5,
      duration: 1.5
    }).from("#div_r2", {
      x: 100,
      y: 100,
      scaleX: 2,
      fill: "red",
      storoke: "white",
      rotation: 360,
      strokeWidth: 5,
      duration: 1.5
    },">-0.5")
    // 第三个参数为 衔接上一个动画的时间点
    // >-0.5  -> 当上一个动画结束前0.5s进行
  </script>
</body>

</html>