css动画实现波浪效果
【代码】css动画实现波浪效果。
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需要注意一点,当背景图片尺寸大于一屏宽度时,需要把图片宽度的设置成50%,才能实现平滑过渡,不然会有闪现的问题
<!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>
.wave-container {
position: relative;
width: 100%;
height: 100vh;
background-color: #f0f0f0;
overflow: scroll;
}
.wave {
width: 200%;
height: 200px;
background-image: url("https://i-blog.csdnimg.cn/blog_migrate/0f84adca4a6055755698d8802803d9a7.png");
background-repeat: repeat no-repeat;
background-size: 50% 50%;
animation: move_wave 5s linear infinite;
opacity: 0.5;
position: absolute;
}
.wave2 {
animation: move_wave 6s linear infinite;
animation-delay: 1s;
top: 3px;
background-image: url("https://i-blog.csdnimg.cn/blog_migrate/34734b52eb310f891ab53b5ca8342634.png");
}
.wave3 {
animation: move_wave 7s linear infinite;
animation-delay: 0.5s;
top: 10px;
background-image: url("https://i-blog.csdnimg.cn/blog_migrate/0173d057ac0c2fe8619e130e47d9ef7d.png");
}
@keyframes move_wave {
0% {
transform: translateX(0) scaleY(1);
}
50% {
transform: translateX(-25%) scaleY(0.55);
}
100% {
transform: translateX(-50%) scaleY(1);
}
}
</style>
</head>
<body>
<div class="wave-container">
<div class="wave"></div>
<div class="wave wave2"></div>
<div class="wave wave3"></div>
</div>
<script></script>
</body>
</html>
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