css3之3D转换
- 一.特点
- 二.坐标系
- 三.3D移动（translate3d)
- 1.概念
- 2.透视（perpective)(近大远小）（写在父盒子上）
- 四.3D旋转（rotate3d)
- 1.概念
- 2.左手准则
- 3.呈现（transfrom-style)（写父级盒子上）
- 4.总结
- 五.案例
- 1.两面旋转
- 2.导航栏
- 3.旋转木马
一.特点
近大远小，后面看不见
二.坐标系
三.3D移动（translate3d)
1.概念
2.透视（perpective)(近大远小）（写在父盒子上）
四.3D旋转（rotate3d)
1.概念
2.左手准则
（1）沿着x轴旋转
（2）沿着y轴旋转
3.呈现（transfrom-style)（写父级盒子上）
4.总结
五.案例
1.两面旋转
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
body {
perspective: 350px;
}
.box {
position: relative;
width: 300px;
height: 300px;
margin: 100px auto;
transition: all .4s;
transform-style: preserve-3d;
}
.box:hover {
transform: rotateY(180deg);
}
.front,
.back {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
border-radius: 50%;
font-size: 30px;
color: #fff;
text-align: center;
line-height: 300px;
}
.front {
background-color: pink;
z-index: 1;
}
.back {
background-color: purple;
/*背对背旋转180deg,字不会镜像*/
transform: rotateY(180deg);
}
</style>
</head>
<body>
<div class="box">
<div class="front">黑马程序员</div>
<div class="back">pink老师等你</div>
</div>
</body>
</html>
2.导航栏
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
* {
padding: 0;
margin: 0;
}
ul {
margin: 100px;
}
ul li {
float: left;
margin: 0 5px;
width: 120px;
height: 35px;
list-style: none;
perspective: 500px;
}
.box {
position: relative;
width: 100%;
height: 100%;
transform-style: preserve-3d;
transition: all .4s;
text-align: center;
font-size: 16px;
line-height: 35px;
}
.box:hover {
transform: rotateX(90deg);
}
.front,
.bottom {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
.front {
background-color: pink;
z-index: 1;
transform: translateZ(17.5px);
}
.bottom {
background-color: purple;
transform: translateY(17.5px) rotateX(-90deg);
}
</style>
<body>
<ul>
<li>
<div class="box">
<div class="front">黑马程序员</div>
<div class="bottom">pink老师等你</div>
</div>
</li>
</ul>
</body>
</html>
3.旋转木马
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
body {
perspective: 600px;
}
section {
position: relative;
width: 300px;
height: 200px;
margin: 250px auto;
transform-style: preserve-3d;
animation: rotate 10s linear infinite;
}
section div {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: url(001a3fe237b2c5e71eeca0a5ca44c68c.png) no-repeat;
background-size: 300px 200px;
}
section:hover {
animation-play-state: paused;
}
section div:nth-child(1) {
transform: rotateY(60deg) translateZ(300px);
}
section div:nth-child(2) {
transform: rotateY(120deg) translateZ(300px);
}
section div:nth-child(3) {
transform: rotateY(180deg) translateZ(300px);
}
section div:nth-child(4) {
transform: rotateY(240deg)translateZ(300px);
}
section div:nth-child(5) {
transform: rotateY(300deg)translateZ(300px);
}
section div:nth-child(6) {
transform: rotateY(360deg)translateZ(300px);
}
@keyframes rotate {
0% {
transform: rotateY(0);
}
100% {
transform: rotateY(360deg);
}
}
</style>
</head>
<body>
<section>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</section </body>
</html>
