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How to use CSS3 and JS to create a dynamic background of rising blocks
How to use CSS3 and JS to create a dynamic background of rising blocks
We know that CSS3 can make many cool animations, so how powerful would it be if CSS3 and JS were combined? Today I will teach you how to use CSS and JS to create a dynamic background of rising blocks. Let’s take a look.
HTML:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Glunefish</title>
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div id="F-dynamicbg-box">
<div> </div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</body>
</html>CSS:
* { margin: 0; padding: 0; border: none; outline: 0; }
body{ width: 100vw; height: 100vh; background: url(img/bg.png) no-repeat; background-size: cover; }
#F-dynamicbg-box { width: 100vw; height: 100vh; position: absolute; top: 0; left: 0; overflow: hidden; }
#F-dynamicbg-box > div { z-index: -9999; background-color: rgba(255,255,255,.1); position: absolute; top: 105vh; animation: dynamicDiv 30s linear infinite; }
#F-dynamicbg-box > div:nth-of-type(1) { animation-delay: 1s }
#F-dynamicbg-box > div:nth-of-type(2) { animation-delay: 3s }
#F-dynamicbg-box > div:nth-of-type(3) { animation-delay: 6s }
#F-dynamicbg-box > div:nth-of-type(4) { animation-delay: 9s }
#F-dynamicbg-box > div:nth-of-type(5) { animation-delay: 12s }
#F-dynamicbg-box > div:nth-of-type(6) { animation-delay: 4s }
#F-dynamicbg-box > div:nth-of-type(7) { animation-delay: 15s }
#F-dynamicbg-box > div:nth-of-type(8) { animation-delay: 18s }
#F-dynamicbg-box > div:nth-of-type(9) { animation-delay: 20s }
#F-dynamicbg-box > div:nth-of-type(10) { animation-delay: 16s }
@keyframes dynamicDiv { form { top: 105vh; transform: scale(1.2); }
to { top: -13vh; transform: scale(1) rotate(60deg); } }
JS:( JS初始化div形态 )
var box = document.getElementById('F-dynamicbg-box'), div = box.getElementsByTagName('div'), math = [0,1];for (var i=0;i<div.length;i++) { math[1] = F_getSJS(100,40,9) F_getSJS 请移步博客之前的取随机数了解if(math[1] != math[2]){ div[i].style.width = math[1] + 'px'; div[i].style.height = math[1] + 'px'; math[2] = math[1]; } } for(var i=0;i<div.length;i++){ div[i].style.left = F_getSJS(85,15,8) + 'vw'; div[i].style.transform = 'rotate(' + F_getSJS(360,5,9) + 'deg)'; }All the codes are here. Interested friends can do it themselves. For more exciting content, please pay attention to php Chinese Other related articles online!
Related reading:
How to deal with the incomplete display of the last line of text in HTML
CSS How to deal with web page misalignment
How to create CSS3 loading effects
The above is the detailed content of How to use CSS3 and JS to create a dynamic background of rising blocks. For more information, please follow other related articles on the PHP Chinese website!
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