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>
