<script>
window.onload = function () {
let cube = document.querySelector('.cube')
let timer = null
let x = 0; y = 0;
function rotate() {
cube.style.transform = 'rotateX(' + x + 'deg)' + '' + 'rotateY(' + y + 'deg)';
x += 30
y += 45
}
function stop() {
clearInterval(timer)
}
clearInterval(timer);
timer = setInterval(() => {
rotate();
}, 1000);
var hiddenProperty = 'hidden' in document ? 'hidden' :
'webkitHidden' in document ? 'webkitHidden' :
'mozHidden' in document ? 'mozHidden' :
null;
var visibilityChangeEvent = hiddenProperty.replace(/hidden/i, 'visibilitychange');
var onVisibilityChange = function () {
if (!document[hiddenProperty]) {
timer = setInterval(() => {
rotate();
}, 1000);
console.log(hiddenProperty);
} else {
clearInterval(timer)
}
}
document.addEventListener(visibilityChangeEvent, onVisibilityChange);
rotate();
}
</script>
<!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>
</head>
<body>
<div class="cube" onclick="stop()">
<div class="front">front</div>
<div class="back">back</div>
<div class="left">left</div>
<div class="right">right</div>
<div class="top">top</div>
<div class="bottom">bottom</div>
</div>
</body>
</html>
<style>
.cube {
width: 400px;
height: 400px;
transition: all 3s;
margin: 300px auto;
transform-style: preserve-3d;
position: relative;
}
.front,
.back,
.left,
.right,
.top,
.bottom {
width: 100%;
height: 100%;
text-align: center;
line-height: 400px;
position: absolute;
opacity: 0.9;
left: 0;
top: 0;
}
.front {
background-color: palevioletred;
background-image: url('http://img1.gtimg.com/tj/pics/hv1/117/208/2153/140051982.jpg');
transform: translateZ(200px);
}
.back {
background-color: yellow;
transform: translateZ(-200px);
background-image: url('https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=841408372,3004217725&fm=11&gp=0.jpg');
}
.left {
background-color: pink;
background-image: url('https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=2388632836,3966607624&fm=26&gp=0.jpg');
transform: rotateY(90deg) translateZ(-200px)
}
.right {
background-color: yellowgreen;
background-image: url('https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=192610795,467565159&fm=26&gp=0.jpg');
transform: rotateY(90deg) translateZ(200px)
}
.top {
background-color: skyblue;
background-image: url("https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=2936477803,4198185787&fm=15&gp=0.jpg");
transform: rotateX(90deg) translateZ(200px)
}
.bottom {
background-color: orange;
background-image: url('http://img0.pclady.com.cn/pclady/1611/02/1612285_jyz.jpg');
transform: rotateX(90deg) translateZ(-200px)
}
</style>
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