怎么实现yun1-5的动画?我的有点问题,请老师过目。
来源:2-15 作业题
qq_鸭绿桥第一帅哥_0
2019-03-22 11:31:46
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>2-15</title>
<link rel="stylesheet" type="text/css" href="css/2-15.css">
</head>
<body>
<!-- 天空 -->
<div class="tian">
<!-- 云朵 -->
<div class="yun yun1-5">
<div class="yun1"></div>
</div>
<div class="yun yun1-1">
<div class="yun1"></div>
</div>
<div class="yun yun1-2">
<div class="yun1"></div>
</div>
<div class="yun yun1-3">
<div class="yun1"></div>
</div>
<div class="yun yun1-4">
<div class="yun1"></div>
</div>
</div>
<!-- 草地 -->
<div class="cao"></div>
</body>
</html>
* {
margin: 0;
padding: 0;
}
/* 天空 */
.tian {
height: 60vh;
position: relative;
background: -webkit-linear-gradient(rgb(196, 228, 253), white);
background: -moz-linear-gradient(rgb(196, 228, 253), white);
background: -o-linear-gradient(rgb(196, 228, 253), white);
background: linear-gradient(rgb(196, 228, 253), white);
}
/* 草地 */
.cao {
height: 40vh;
background: -webkit-linear-gradient(white, rgb(148, 190, 89));
background: -moz-linear-gradient(white, rgb(148, 190, 89));
background: -o-linear-gradient(white, rgb(148, 190, 89));
background: linear-gradient(white, rgb(148, 190, 89));
}
/* 云朵 */
.yun{
width: 100px;
height: 100px;
border-radius: 50%;
background: white;
transform: translate(900px, 100px);
/* position: absolute; */
}
.yun:before{
content: '';
width: 100px;
height: 100px;
border-radius: 50%;
background: white;
position: absolute;
transform: scale(0.4) translate(90px, 60px);
}
.yun:after{
content: '';
width: 120px;
height: 120px;
border-radius: 50%;
background: white;
position: absolute;
transform: scale(0.4) translate(-110px, 50px);
}
.yun1{
width: 100px;
height: 100px;
border-radius: 50%;
background: white;
position: absolute;
transform: translate(-50px, 0px) scale(0.5);
}
.yun1:after{
content: '';
width: 100px;
height: 100px;
border-radius: 50%;
background: white;
position: absolute;
transform: translate(-30px, 50px);
}
div.yun1-1{
transform: translate(700px, 50px) scale(0.8);
}
div.yun1-2{
transform: translate(650px,-180px) scale(0.8);
}
div.yun1-3{
transform: translate(1000px,-100px) scale(0.6);
}
div.yun1-4{
transform: translate(1200px,-350px) scale(0.8);
}
div.yun1-5{
animation: yun1-5 5s ease-out infinite;
}
@keyframes yun1-5{
0%{
transform: translate(900px, 100px);
}
40%{
transform: translate(-300px, 100px);
}
80%{
transform: translate(1500px, 100px);
}
100%{
transform: translate(900px, 100px);
}
}1回答
你好,白云的动画直接设置从右侧运动到左侧即可,不需要写的很复杂。例如:

这样设置之后白云会从窗口右侧飘入,水平方向上出现滚动条,可以在body中添加超出隐藏属性:

自己可以测试下,祝学习愉快!
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