CSS 3.0实现落叶飘飞动画特效

越陌度阡

发布于 2021-11-30 19:49:06

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发布于 2021-11-30 19:49:06

文章被收录于专栏：大前端（横向跨端 & 纵向全栈）大前端（横向跨端 & 纵向全栈）

给大家分享一个用CSS 3.0实现的落叶飘飞动画特效，效果如下：

以下是代码实现，欢迎大家复制、粘贴和收藏。

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

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>CSS 3.0实现落叶飘飞动画特效</title>
  <style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    section {
      position: relative;
      width: 100%;
      height: 100vh;
      background: radial-gradient(#333, #000);
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    section h2 {
      color: #fff;
      font-size: 8em;
      text-transform: uppercase;
    }

    section .set {
      position: absolute;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      pointer-events: none;
    }

    section .set div {
      position: absolute;
      display: block;
    }

    section .set div:nth-child(1) {
      left: 20%;
      animation: animate 15s linear infinite;
      animation-delay: -7s;
    }

    section .set div:nth-child(2) {
      left: 50%;
      animation: animate 20s linear infinite;
      animation-delay: -5s;
    }

    section .set div:nth-child(3) {
      left: 70%;
      animation: animate 20s linear infinite;
      animation-delay: 0s;
    }

    section .set div:nth-child(4) {
      left: 0%;
      animation: animate 15s linear infinite;
      animation-delay: -5s;
    }

    section .set div:nth-child(5) {
      left: 85%;
      animation: animate 18s linear infinite;
      animation-delay: -10s;
    }

    section .set div:nth-child(6) {
      left: 0%;
      animation: animate 12s linear infinite;
    }

    section .set div:nth-child(7) {
      left: 15%;
      animation: animate 14s linear infinite;
    }

    section .set div:nth-child(8) {
      left: 60%;
      animation: animate 15s linear infinite;
    }

    @keyframes animate {
      0% {
        opacity: 0;
        top: -10%;
        transform: translateX(20px) rotate(0deg);
      }

      10% {
        opacity: 1;
      }

      20% {
        transform: translateX(-20px) rotate(45deg);
      }

      40% {
        transform: translateX(-20px) rotate(90deg);
      }

      60% {
        transform: translateX(20px) rotate(180deg);
      }

      80% {
        transform: translateX(-20px) rotate(180deg);
      }

      100% {
        top: 110%;
        transform: translateX(-20px) rotate(225deg);
      }
    }

    .set-2 {
      transform: scale(2) rotateY(180deg);
      filter: blur(2px);
    }

    .set-3 {
      transform: scale(0.8) rotateY(180deg);
      filter: blur(4px);
    }
  </style>
</head>

<body>
  <section>
    <h2>Falling Leaves</h2>
    <div class="set">
      <div><img src="leaves1.png" alt=""></div>
      <div><img src="leaves2.png" alt=""></div>
      <div><img src="leaves3.png" alt=""></div>
      <div><img src="leaves4.png" alt=""></div>
      <div><img src="leaves1.png" alt=""></div>
      <div><img src="leaves2.png" alt=""></div>
      <div><img src="leaves3.png" alt=""></div>
      <div><img src="leaves4.png" alt=""></div>
    </div>
    <div class="set set-2">
      <div><img src="leaves1.png" alt=""></div>
      <div><img src="leaves2.png" alt=""></div>
      <div><img src="leaves3.png" alt=""></div>
      <div><img src="leaves4.png" alt=""></div>
      <div><img src="leaves1.png" alt=""></div>
      <div><img src="leaves2.png" alt=""></div>
      <div><img src="leaves3.png" alt=""></div>
      <div><img src="leaves4.png" alt=""></div>
    </div>
    <div class="set set-3">
      <div><img src="leaves1.png" alt=""></div>
      <div><img src="leaves2.png" alt=""></div>
      <div><img src="leaves3.png" alt=""></div>
      <div><img src="leaves4.png" alt=""></div>
      <div><img src="leaves1.png" alt=""></div>
      <div><img src="leaves2.png" alt=""></div>
      <div><img src="leaves3.png" alt=""></div>
      <div><img src="leaves4.png" alt=""></div>
    </div>
  </section>
</body>

</html>

以下是上面代码中引入的树叶图片。

leaves1.png