svg +动画和 css3 动画的区别

发布网友发布时间：2022-04-06 13:34

共2个回答

懂视网时间：2022-04-06 17:55

本篇文章通过代码实例给大家介绍一下svg+css3实现动感的波浪效果。有一定的参考价值，有需要的朋友可以参考一下，希望对大家有所帮助。

一根矢量的波浪

<svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--front">
 <use xlink:href="#wave"></use>
</svg>
<svg id="wave" width="100%" height="100%">
 <path d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z"></path>
 <path d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z"></path>
 <path d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z"></path>
 <path d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z"></path>
</svg>

完整代码：

<!DOCTYPE html>
<html>

<head>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no">
</head>

<body>
 <div class="circle-countdown circle-countdown--ended">
 <div class="circle-countdown__content-wrapper">
  <div class="circle-countdown__content wave-animation">
  <div id="water" class="wave-animation__water">
   <svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--back">
   <path
    d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z">
   </path>
   <path
    d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z">
   </path>
   <path
    d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z">
   </path>
   <path
    d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z">
   </path>
   </svg>
   <svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--front">
   <path
    d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z">
   </path>
   <path
    d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z">
   </path>
   <path
    d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z">
   </path>
   <path
    d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z">
   </path>
   </svg>
  </div>
  </div>
 </div>
 </div>


 <style>
 .circle-countdown {
  width: 441px;
  height: 441px;
  position: relative;
  top: 0;
  left: 0;
  padding: 2.5rem;
  border: 1px solid #fb64b6;
  border-radius: 50%;
  overflow: hidden;
 }

 .wave-animation {
  overflow: hidden;
 }


 .wave-animation__percent {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  display: flex;
  display: -webkit-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 64px;
 }

 .wave-animation__water {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  /* 调整这里的60%就可以改变进度，波浪高低 */
  transform: translate(0, calc(100% - 60%));
  background: #f852d6;
  transition: all 2s;
 }

 .wave-animation__water-wave {
  width: 200%;
  position: absolute;
  bottom: 100%;


 }

 .wave-animation__water-wave--back {
  right: 0;
  fill: #1d1d1d;
  animation: wave-back 1.4s infinite linear;
 }

 .wave-animation__water-wave--front {
  left: 0;
  fill: #f852d6;
  margin-bottom: -1px;
  animation: wave-front 0.7s infinite linear;
 }

 @keyframes wave-front {
  100% {
  transform: translate(-50%, 0);
  }
 }

 @keyframes wave-back {
  100% {
  transform: translate(50%, 0);
  }
 }
 </style>
</body>

</html>

效果图：

更多炫酷CSS3、html5、javascript特效代码，尽在：js特效大全

热心网友时间：2022-04-06 15:03

svg是可以在网页使用的矢量图像，可以用AI进行编辑和生成。
css3给svg加动画（改变尺寸、位置等）可以使用@keyframes和animation属性定义动画
不过svg本身就支持动画
参见：http://msdn.microsoft.com/zh-cn/library/gg193979