学习16

转换原点

<!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>转换原点</title>
  <style>
    img {
      width: 200px;
      border: 1px solid #000;
      transition: all 1s;

      transform-origin: right bottom;
    }

    img:hover {
      transform: rotate(360deg);
    }
  </style>
</head>
<body>
  <img src="./images/rotate.png" alt="">
</body>
</html>

案例时钟

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .clock {
        width: 250px;
        height: 250px;
        border: 8px solid #000;
        border-radius: 50%;
        margin: 100px auto;
        position: relative;
      }

      .line {
        /* 1.定位 */
        position: absolute;
        width: 4px;
        height: 250px;
        background-color: #999;
        left: 50%;
        transform: translate(-50%);
      }

      /* 线2: 旋转, 每条线旋转角度不同, 单独选中不同的line, 写rotate代码 */
      /* 一圈是360度, 等分成  xx 份 */
      .line:nth-child(2) {
        transform: translate(-50%) rotate(30deg);
      }

      .line:nth-child(3) {
        transform: translate(-50%) rotate(60deg);
      }

      .line:nth-child(4) {
        transform: translate(-50%) rotate(90deg);
      }

      .line:nth-child(5) {
        transform: translate(-50%) rotate(120deg);
      }

      .line:nth-child(6) {
        transform: translate(-50%) rotate(150deg);
      }

      /* 第一根和第四跟宽度大一些 */
      .line:nth-child(1),
      .line:nth-child(4) {
        width: 5px;
      }

      /* 遮罩圆形 */
      .cover {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 200px;
        height: 200px;
        background-color: #fff;
        border-radius: 50%;
      }

      /* 表针 */
      /* 并集选择器放在单独选择器的上面, 避免transform属性的层叠 */
      .hour,
      .minute,
      .second {
        position: absolute;
        left: 50%;
        /* 盒子底部在盒子中间 */
        bottom: 50%;
      }

      .hour {
        width: 6px;
        height: 50px;
        background-color: #333;
        margin-left: -3px;
        transform: rotate(15deg);
        transform-origin: center bottom;
      }

      .minute {
        width: 5px;
        height: 65px;
        background-color: #333;
        margin-left: -3px;
        transform: rotate(90deg);
        transform-origin: center bottom;
      }

      .second {
        width: 4px;
        height: 80px;
        background-color: red;
        margin-left: -2px;
        transform: rotate(240deg);
        transform-origin: center bottom;
      }

      /* 螺丝 */
      .dotted {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 18px;
        height: 18px;
        background-color: #333;
        border-radius: 50%;
      }
    </style>
  </head>

  <body>
    <div class="clock">
      <!-- 刻度线 -->
      <div class="line"></div>
      <div class="line"></div>
      <div class="line"></div>
      <div class="line"></div>
      <div class="line"></div>
      <div class="line"></div>

      <!-- 遮罩圆形 -->
      <div class="cover"></div>
      <!-- 表针 -->
      <div class="hour"></div>
      <div class="minute"></div>
      <div class="second"></div>

      <!-- 螺丝 -->
      <div class="dotted"></div>
    </div>
  </body>
</html>

多重转换效果

<!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>多重转换</title>
    <style>
      .box {
        width: 800px;
        height: 200px;
        border: 1px solid #000;
      }

      img {
        width: 200px;
        transition: all 5s;
      }

      /* 鼠标移入box，图片边走边转 */
      .box:hover img {
        /* 先平移再旋转 */
        transform: translate(600px) rotate(360deg);

        /* 旋转会改变坐标轴向 */
        /* 多重转换：以第一种转换形态的坐标轴为准 */
        /* transform: rotate(360deg) translate(600px); */

        /* 层叠性 */
        /* transform: translate(600px);
        transform: rotate(360deg); */
      }
    </style>
  </head>

  <body>
    <div class="box">
      <img src="./images/tyre1.png" alt="" />
    </div>
  </body>
</html>

缩放效果

<!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>缩放效果</title>
    <style>
      .box {
        width: 300px;
        height: 210px;
        margin: 100px auto;
        background-color: pink;
      }

      .box img {
        width: 100%;
        transition: all 0.5s;
      }

      .box:hover img {
        /* 修改宽高尺寸，从左上角开始缩放 */
        /* width: 500px;
        height: 400px; */

        /* 大于1，表示放大 */
        transform: scale(2);

        /* 小于1，表示缩小 */
        transform: scale(0.5);

        /* 等于1，不变 */
        transform: scale(1);
      }
    </style>
  </head>

  <body>
    <div class="box">
      <img src="./images/product.jpeg" alt="" />
    </div>
  </body>
</html>
posted @ 2025-02-14 21:43  haoyinuo  阅读(17)  评论(0)    收藏  举报