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clip-path动画.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<!-- clip-path 的一大优点在于它可以与 CSS 中的过渡 transtion 与动画 animation 进行联动，实现动画效果 -->
<style>
.box {
width: 200px;
height: 200px;
background-color: crimson;
animation: polygon-ani 3s linear infinite;
}
@keyframes polygon-ani {
0%,
5% {
clip-path: polygon(50% 0%,
0% 100%,
100% 100%,
100% 100%,
100% 100%);
}
30%,
35% {
clip-path: polygon(50% 0%,
100% 50%,
50% 100%,
0% 50%,
0% 50%);
}
60%,
65% {
clip-path: polygon(50% 0%,
100% 38%,
82% 100%,
18% 100%,
0% 38%);
}
95%,
100% {
clip-path: polygon(50% 0%,
0% 100%,
100% 100%,
100% 100%,
100% 100%);
}
/* 顶点数量要保持一致 不然动画不生效 */
}
/* 三边形向四边形再到五边形的一个变换效果，每个 clip-path 都有 5 个顶点，只是对于多出了顶点的图形，利用坐标点重合进行隐藏 */
.box2 {
margin-top: 50px;
width: 200px;
height: 200px;
background-color: blueviolet;
clip-path: polygon(20% 0%, 80% 0%, 100% 20%, 100% 80%, 80% 100%, 20% 100%, 0% 80%, 0% 20%);
transition: .5s clip-path;
}
.box2:hover {
clip-path: polygon(0 0, 0 0, 100% 0, 100% 0, 100% 100%, 100% 100%, 0 100%, 0 100%);
}
</style>
</head>
<body>
<div class="box"></div>
<div class="box2"></div>
</body>
</html>