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3d-rotate.html
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<html>
<head>
<title>3D翻牌效果 </title>
<meta charset="UTF-8">
<script>
window.addEventListener(('orientationchange' in window ? 'orientationchange' : 'resize'), (function () {
function c() {
var d = document.documentElement;
var cw = d.clientWidth || 640;
d.style.fontSize = (20 * (cw / 320)) > 40 ? 40 + 'px' : (20 * (cw / 320)) + 'px';
}
c();
return c;
})(), false);
</script>
<style type="text/css">
/*-webkit-perspective: 800px;*/
/*perspective （透视，视角）：属性定义 3D 元素距视图的距离，以像素计。该属性允许您改变 3D 元素查看 3D 元素的视图。决定了你所看到的是2D transform 还是3D transform 。*/
.outer {
width: 100%;
margin: 0 auto;
font-size: 0;
padding: 0 0.5%;
position: relative;
}
.outer .flip {
font-size: 34px;
display: inline-block;
height: 480px;
width: 31%;
margin: 1%;
line-height: 480px;
text-align: center;
position: absolute;
transition: all 1.2s linear;
-webkit-transition: all 1.2s linear;
}
.outer .flip:first-child {
left: 0.5%;
top: 0;
}
.outer .flip:nth-child(2) {
left: 33.5%;
top: 0;
}
.outer .flip:nth-child(3) {
left: 66.5%;
top: 0;
}
.outer .flip:nth-child(4) {
left: 0.5%;
top: 500px;
}
.outer .flip:nth-child(5) {
left: 33.5%;
top: 500px;
}
.outer .flip:nth-child(6) {
left: 66.5%;
top: 500px;
}
.outer .flip.act {
left: 33.5%;
top: 1%;
-webkit-transform: scale(0);
transform: scale(0);
opacity: 0;
}
.outer .flip.act.selected {
-webkit-transform: scale(1);
transform: scale(1);
opacity: 1;
transition: all 1s linear;
-webkit-transition: all 1s linear;
}
.outer .flip div {
width: 100%;
height: 100%;
position: absolute;
/*transform-style 属性规定如何在 3D 空间中呈现被嵌套的元素。默认flat（平的），我们3D效果，然后选择3D。*/
transform-style: preserve-3d;
-webkit-transform-style: preserve-3d;
/*backface-visibility 是否显示该选择元素旋转到背面后的样子。*/
backface-visibility: hidden;
-webkit-backface-visibility: hidden;
transition: all 2s;
-webkit-transition: all 2s;
}
.div1 {
background-color: #1aaefd;
transform: rotateY(0);
-webkit-transform: rotateY(0deg);
}
.div2 {
background-color: #00C000;
transform: rotateY(-180deg);
-webkit-transform: rotateY(-180deg);
}
.flip.active .div1 {
transform: rotateY(-180deg);
-webkit-transform: rotateY(-180deg);
}
.flip.active .div2 {
transform: rotateY(0deg);
-webkit-transform: rotateY(0deg);
}
</style>
</head>
<body>
<div class="outer">
<div class="flip">
<div class="div1">div11111</div>
<div class="div2">div22222</div>
</div>
<div class="flip">
<div class="div1">div11111</div>
<div class="div2">div22222</div>
</div>
<div class="flip">
<div class="div1">div11111</div>
<div class="div2">div22222</div>
</div>
<div class="flip">
<div class="div1">div11111</div>
<div class="div2">div22222</div>
</div>
<div class="flip">
<div class="div1">div11111</div>
<div class="div2">div22222</div>
</div>
<div class="flip">
<div class="div1">div11111</div>
<div class="div2">div22222</div>
</div>
</div>
<script>
(function () {
let flips = document.querySelectorAll('.flip');
let flipsLen = flips.length;
let outer = document.querySelector('.outer');
// 数组乱序
function shuffle(arr) {
let result = [];
while (arr.length) {
let index = ~~(Math.random() * arr.length);
result.push(arr[index]);
arr.splice(index, 1);
}
return result;
}
// 创建一个长度为len的数组，并且每个元素的值等于它的下标
function createArr(len) {
return [...new Array(len).keys()];
}
outer.addEventListener('click', function (e) {
let ep = e.target.parentNode;
console.log(e.target, this, ep);
if (ep.classList.contains('flip')) {
ep.classList.toggle('active');
}
let sleep = function (time) {
return new Promise(function (resolve, reject) {
setTimeout(function () {
resolve();
}, time);
});
};
(async function () {
console.log('start');
await sleep(1000);
let shuffleFlipsIndex = shuffle(createArr(flipsLen));
for (let i = 0; i < flipsLen; i++) {
let time = parseInt(Math.random() * 600);
await sleep(time);
flips[shuffleFlipsIndex[i]].classList.add('active');
console.log(i);
}
await sleep(800);
for (let i = 0; i < flipsLen; i++) {
flips[i].classList.add('act');
}
ep.classList.add('selected');
console.log('end');
})();
});
})();
</script>
</body>
</html>