<!DOCTYPE html>
<html>
<head>
<style>
#frameDiv { width: 400px;
height: 170px;
margin: 20px;
position: relative;
border: solid black 1px;
background-color: rgb(205, 242, 205);
}
img { position: absolute;
z-index: 1;
width: 70px;
offset: path('M 50 80 C 150 -20 250 180 350 80') 150px auto 45deg;
animation: moveImg 4s 1s 3;
}
svg { position: absolute;
height: 100%;
width: 100%;
left: 0;
top: 0;
}
@keyframes moveImg {
100% { offset-distance: 100%; } }
</style>
</head>
<body>
<h1>offset 属性</h1>
<div id="frameDiv">
<img src="/i/css/fish.svg" alt="fish">
<svg fill="none" stroke="gray" stroke-width="2" stroke-dasharray="5,5">
<path d="M 50 80 C 150 -20 250 180 350 80" />
</svg>
</div>
<p>在这里,使用了 offset 简写属性来定义 offset-path(偏移路径)、offset-distance(偏移距离)和 offset-rotate(偏移旋转)的属性值。鱼从路径起点 150 像素的位置开始移动,并在其默认旋转角度上增加了 45 度。</p>
</body>
</html>