效果如下
HTML代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS3逼真的蝴蝶飞舞动画 -A5源码</title>
<link rel="stylesheet" href="css/style.css"/>
</head>
<body>
<div id="container">
<div id="butterfly">
<div class="left wing"></div>
<div class="right wing"></div>
</div>
</div>
</body>
</html>
CSS代码：
body{
background-color: lightblue;
}
#container {
perspective: 600px;
perspective-origin: -20% 20%;
width: 850px;
height: 566px;
left: 300px;
top: 0px;
color: gray;
margin: 0px auto;
}
#butterfly {
transform: rotateZ(-30deg) rotate3d(0, 1, 0, 0deg) scale3d(0.5, 0.5, 0.5);
transform-origin: 51% 50%;
left: 0px;
top: 0px;
width: 400px;
height: 238px;
transform-style: preserve-3d;
/*Fly in a loop below*/
/*animation-name: butterflyani;
animation-duration: 5s;
animation-iteration-count: infinite;
animation-timing-function: linear;*/
}
.wing {
transform: rotateX(30deg) translate3d(-200px, 0px, 0px) rotate3d(0, 1, 0, 160deg);
transform-origin: top right;
position: absolute;
left: 200px;
top: 0px;
width: 200px;
height: 238px;
background: url(../images/butterfly.png) no-repeat;
animation-name: rightwingani;
animation-duration: 0.6s;
animation-delay: 2s;
animation-iteration-count: 4;
animation-timing-function: ease-out;
}
#butterfly .left{
transform: rotateX(30deg) rotate3d(0, 1, 0, 0deg);
animation-name: leftwingani;
left: 0px;
top: 0px;
}
@keyframes rightwingani {
from {
transform:rotateX(30deg) translate3d(-200px, 0px, 0px) rotate3d(0, 1, 0, 160deg);
}
50% {
transform:rotateX(30deg) translate3d(-200px, 0px, 0px) rotate3d(0, 1, 0, 100deg);
}
to{
transform:rotateX(30deg) translate3d(-200px, 0px, 0px) rotate3d(0, 1, 0, 160deg);
}
}
@keyframes leftwingani {
from {
transform:rotateX(30deg) rotate3d(0, 1, 0, 0deg);
}
50% {
transform:rotateX(30deg) rotate3d(0, 1, 0, 80deg);
}
to{
transform:rotateX(30deg) rotate3d(0, 1, 0, 00deg);
}
}
a {
font-size: 5.5em;
font-family: Arial;
text-decoration: none;
text-align: right;
color: teal;
letter-spacing: -2px;
position: relative;
top: -70%;
left: -9%;
width: 67%;
display: block;
line-height: 1.1em;
}