CSS3为我们提供了很多以往没办法实现的功能，如动画、transform、transition等等，今天，我们就来使用CSS3的transform和transition配合实现一个正方体的构建
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
html,
body {
height: 100%;
overflow: hidden;
}
body {
background: linear-gradient(45deg, #222, #333, #444);
}
.box {
margin: 0 auto;
width: 200px;
padding-top: 200px;
box-sizing: border-box;
}
.cube {
/* 设置正方体的转换类型是3d转换模式*/
transform-style: preserve-3d;
/* 为了方便我们观察每一个面，将正方体旋转一定的角度 */
transform: rotateX(-35deg) rotateY(45deg);
}
/* 每个面通用的基础样式 */
.site {
background: rgba(0, 188, 166, .6);
color: #FFFFFF;
width: 200px;
height: 200px;
border: 1px solid #333333;
text-align: center;
line-height: 200px;
position: absolute;
font-size: 64px;
font-weight: bold;
transition: transform 1.5s;
cursor: pointer;
box-shadow: 0 0 5px #FFFFFF;
}
/* 以下为默认的前后左右上下6个面的厨师状态，设置一下延时，方便我们观看正方体构建的过程 */
.front {
transform: scale(0) translateZ(300px);
transition-delay: 100ms;
}
.back {
transform: scale(0) translateZ(-300px);
transition-delay: 1600ms;
}
.left {
transform: scale(0) rotateY(-90deg) translateZ(300px);
transition-delay: 3100ms;
}
.right {
transform: scale(0) rotateY(90deg) translateZ(-300px);
transition-delay: 4600ms;
}
.top {
transform: scale(0) rotateX(90deg) translateZ(300px);
transition-delay: 6100ms;
}
.bottom {
transform: scale(0) rotateX(-90deg) translateZ(-300px);
transition-delay: 7600ms;
}
/* 添加active类名后，开始构建正方体 */
.active.front {
transform: scale(1) translateZ(100px);
}
.active.back {
transform: scale(1) translateZ(-100px) rotateY(180deg);
}
.active.left {
transform: scale(1) rotateY(-90deg) translateZ(100px);
}
.active.right {
transform: scale(1) rotateY(90deg) translateZ(100px);
}
.active.top {
transform: scale(1) rotateX(90deg) translateZ(100px);
}
.active.bottom {
transform: scale(1) rotateX(-90deg) translateZ(100px);
}
.site.active:hover,
.finish {
transition-delay: 0ms!important;
}
.active.site:hover.front {
transform: scale(1.2) translateZ(100px);
}
.active.site:hover.back {
transform: scale(1.2) translateZ(-100px);
}
.active.site:hover.left {
transform: scale(1.2) rotateY(-90deg) translateZ(100px);
}
.active.site:hover.right {
transform: scale(1.2) rotateY(-90deg) translateZ(-100px);
}
.active.site:hover.top {
transform: scale(1.2) rotateX(90deg) translateZ(100px);
}
.active.site:hover.bottom {
transform: scale(1.2) rotateX(90deg) translateZ(-100px);
}
.control {
position: fixed;
bottom: 30px;
left: 0;
text-align: center;
width: 100%;
}
button {
width: 100px;
height: 30px;
background: linear-gradient(45deg, rgb(11, 108, 187), rgb(3, 61, 109));
border-radius: 5px;
border: 1px solid #FFFFFF;
outline: none;
color: #FFFFFF;
font-size: 18px;
cursor: pointer;
}
button:disabled {
opacity: .6;
cursor: not-allowed;
}
button:hover {
opacity: .8;
}
button:hover:disabled {
opacity: .6;
}
</style>
</head>
<body>
<div class="box">
<div class="cube" id="cube">
<div class="site front">1</div>
<div class="site back">2</div>
<div class="site left">3</div>
<div class="site right">4</div>
<div class="site top">5</div>
<div class="site bottom">6</div>
</div>
<div class="control">
<button id="left" disabled>←</button>
<button id="up" disabled>↑</button>
<button id="down" disabled>↓</button>
<button id="right" disabled>→</button>
<button id="reset" disabled>重置</button>
</div>
</div>
<script>
var sites = document.querySelectorAll('.site');
var left = document.getElementById('left');
var right = document.getElementById('right');
var up = document.getElementById('up');
var down = document.getElementById('down');
var reset = document.getElementById('reset');
var cube = document.getElementById('cube');
var degX = -35,
degY = 45;
function start() {
for (var i = 0; i < sites.length; i++) {
var site = sites[i];
site.classList.add('active');
}
}
function finish() {
for (var i = 0; i < sites.length; i++) {
var site = sites[i];
site.classList.add('finish');
}
left.removeAttribute('disabled');
right.removeAttribute('disabled');
up.removeAttribute('disabled');
down.removeAttribute('disabled');
reset.removeAttribute('disabled');
}
function doReset(cb) {
deg = -35;
degY = 45;
changeDeg(degX, degY);
for (var i = 0; i < sites.length; i++) {
var site = sites[i];
site.classList.remove('active', 'finish');
}
setTimeout(() => {
cb && cb();
}, 9100);
}
function changeDeg(degX, degY) {
cube.style.transform = `rotateX(${degX}deg) rotateY(${degY}deg)`;
}
reset.onclick = function() {
doReset(() => {
init();
});
};
left.onclick = function() {
degY -= 5;
changeDeg(degX, degY);
};
right.onclick = function() {
degY += 5;
changeDeg(degX, degY);
};
up.onclick = function() {
degX -= 5;
changeDeg(degX, degY);
};
down.onclick = function() {
degX += 5;
changeDeg(degX, degY);
};
function init() {
start();
setTimeout(() => {
finish();
}, 9100)
}
setTimeout(() => {
init();
}, 1000);
</script>
</body>
</html>
