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CSS3 實(shí)現(xiàn)彈跳的小球動(dòng)畫(huà)

  發(fā)布時(shí)間：2020-10-26 16:23:14   作者：web前端趙老師   我要評(píng)論
這篇文章主要介紹了CSS3 實(shí)現(xiàn)彈跳的小球動(dòng)畫(huà)，幫助大家更好的制作CSS3特效，美化自身網(wǎng)頁(yè)，感興趣的朋友可以了解下

平時(shí)喜歡逛各大網(wǎng)站的專題版面，或者產(chǎn)品發(fā)布頁(yè)面，因?yàn)榭梢钥吹胶芏囔趴岬捻?yè)面效果。這個(gè)案例的素材來(lái)自于百度瀏覽器的發(fā)布頁(yè)面，以及下一個(gè)案例“變色龍動(dòng)畫(huà)”都是來(lái)自于百度瀏覽器，雖然我是谷歌瀏覽器的忠實(shí)用戶，但是不得不說(shuō)國(guó)內(nèi)互聯(lián)網(wǎng)行業(yè)知名品牌網(wǎng)站的專題頁(yè)、產(chǎn)品發(fā)布頁(yè)都是卯足了勁的讓頁(yè)面看起來(lái)很酷炫。

這個(gè)案例關(guān)鍵點(diǎn)在于小球彈跳的節(jié)奏感和布局定位。

一、案例知識(shí)點(diǎn)

1、相對(duì)和絕對(duì)定位

2、多個(gè)animation動(dòng)畫(huà)列隊(duì)

二、主體代碼

1、HTML代碼

<div id="wrap">
    <div class="tu1"><img src="images/1.png" /></div>
    <div class="tu2"><img src="images/2.png" /></div>
    <div class="tu3"><img src="images/3.png" /></div>
</div>

2、CSS部分代碼

#wrap{
	position:absolute;
	left:0;
	right:0;
	top:0;
	bottom:0;
	width:580px;
	height:143px;
	margin:auto;
	}
#wrap img{
	width:160px;
	}
#wrap div{
	float:left;
	margin-right:50px;}
#wrap div:last-child{
	margin-right:0;}
.tu1,.tu2,.tu3{
	position:absolute;
	left:50%;
	margin-left:-80px;
	}
.tu1{
	z-index:1;
	animation:tiantiao1 0.5s ease-in 1 forwards,tiantiao2 0.2s ease-out 0.5s 1 forwards,tiantiao3 0.2s ease-in 0.7s 1 forwards,tiantiao4 0.15s ease-out 0.9s 1 forwards,tiantiao5 0.15s ease-in 1.05s 1 forwards,leftMove 0.4s ease-out 1.2s 1 forwards,rotate 1s linear 1.6s infinite;
	}
.tu2{
	z-index:2;
	animation:tiantiao1 0.5s ease-in 1 forwards,tiantiao2 0.2s ease-out 0.5s 1 forwards,tiantiao3 0.2s ease-in 0.7s 1 forwards,tiantiao4 0.15s ease-out 0.9s 1 forwards,tiantiao5 0.15s ease-in 1.05s 1 forwards,middle 0.4s ease-out 1.2s 1 forwards;
	}
.tu3{
	z-index:3;
	animation:tiantiao1 0.5s ease-in 1 forwards,tiantiao2 0.2s ease-out 0.5s 1 forwards,tiantiao3 0.2s ease-in 0.7s 1 forwards,tiantiao4 0.15s ease-out 0.9s 1 forwards,tiantiao5 0.15s ease-in 1.05s 1 forwards,rightMove 0.4s ease-out 1.2s 1 forwards;
	}
@keyframes tiantiao1{
	0%{
		transform:translateY(-500px);
		}
	100%{
		transform:translateY(0);}
	}
@keyframes tiantiao2{
	0%{
		transform:translateY(0);}
	100%{
		transform:translateY(-100px);}}
@keyframes tiantiao3{
	0%{
		transform:translateY(-100px);}
	100%{
		transform:translateY(0);}}
@keyframes tiantiao4{
	0%{
		transform:translateY(0px);}
	100%{
		transform:translateY(-50px);}}
@keyframes tiantiao5{
	0%{
		transform:translateY(-50px);}
	100%{
		transform:translateY(0);}
		}
@keyframes leftMove{
	0%{
		transform:translateX(0);}
	100%{
		transform:translateX(-300px) scale(1.6);
		
		}}
@keyframes rightMove{
	0%{
		transform:translateX(0);}
	100%{
		transform:translateX(300px) scale(1.6);
		
		}}
@keyframes middle{
	0%{
		transform:translateX(0);
		}
	100%{
		transform:translateX(0) scale(1.6);
		
		}}

多個(gè)隊(duì)列的動(dòng)畫(huà)要注意動(dòng)畫(huà)的延遲。上一個(gè)隊(duì)列的動(dòng)畫(huà)執(zhí)行完畢后才執(zhí)行下一個(gè)隊(duì)列的動(dòng)畫(huà)。

完整頁(yè)面代碼

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>小球掉落依次排列動(dòng)畫(huà)</title>
<style type="text/css">
body,div,footer,p{
	margin:0;
	padding:0;}
body{
	font:1em "microsoft Yahei";
	background-color:#eee;}
#wrap{
	position:absolute;
	left:0;
	right:0;
	top:0;
	bottom:0;
	width:580px;
	height:143px;
	margin:auto;
	}
#wrap img{
	width:160px;
	}
#wrap div{
	float:left;
	margin-right:50px;}
#wrap div:last-child{
	margin-right:0;}
.tu1,.tu2,.tu3{
	position:absolute;
	left:50%;
	margin-left:-80px;
	}
.tu1{
	z-index:1;
	animation:tiantiao1 0.5s ease-in 1 forwards,tiantiao2 0.2s ease-out 0.5s 1 forwards,tiantiao3 0.2s ease-in 0.7s 1 forwards,tiantiao4 0.15s ease-out 0.9s 1 forwards,tiantiao5 0.15s ease-in 1.05s 1 forwards,leftMove 0.4s ease-out 1.2s 1 forwards,rotate 1s linear 1.6s infinite;
	}
.tu2{
	z-index:2;
	animation:tiantiao1 0.5s ease-in 1 forwards,tiantiao2 0.2s ease-out 0.5s 1 forwards,tiantiao3 0.2s ease-in 0.7s 1 forwards,tiantiao4 0.15s ease-out 0.9s 1 forwards,tiantiao5 0.15s ease-in 1.05s 1 forwards,middle 0.4s ease-out 1.2s 1 forwards;
	}
.tu3{
	z-index:3;
	animation:tiantiao1 0.5s ease-in 1 forwards,tiantiao2 0.2s ease-out 0.5s 1 forwards,tiantiao3 0.2s ease-in 0.7s 1 forwards,tiantiao4 0.15s ease-out 0.9s 1 forwards,tiantiao5 0.15s ease-in 1.05s 1 forwards,rightMove 0.4s ease-out 1.2s 1 forwards;}
footer{
	position:absolute;
	bottom:20px;
	left:50%;
	margin-left:-104px;
	}
footer p{
	text-align:center;
	margin-bottom:.7em;}
footer a{
	color:#666;
	text-decoration:none;}
footer a:hover{
	color:#333;}

@keyframes tiantiao1{
	0%{
		transform:translateY(-500px);
		}
	100%{
		transform:translateY(0);}
	}
@keyframes tiantiao2{
	0%{
		transform:translateY(0);}
	100%{
		transform:translateY(-100px);}}
@keyframes tiantiao3{
	0%{
		transform:translateY(-100px);}
	100%{
		transform:translateY(0);}}
@keyframes tiantiao4{
	0%{
		transform:translateY(0px);}
	100%{
		transform:translateY(-50px);}}
@keyframes tiantiao5{
	0%{
		transform:translateY(-50px);}
	100%{
		transform:translateY(0);}
		}
@keyframes leftMove{
	0%{
		transform:translateX(0);}
	100%{
		transform:translateX(-300px) scale(1.6);
		
		}}
@keyframes rightMove{
	0%{
		transform:translateX(0);}
	100%{
		transform:translateX(300px) scale(1.6);
		
		}}
@keyframes middle{
	0%{
		transform:translateX(0);
		}
	100%{
		transform:translateX(0) scale(1.6);
		
		}}

</style>
</head>

<body>
<div id="wrap">
	<div class="tu1"><img src="images/1.png" /></div>
    <div class="tu2"><img src="images/2.png" /></div>
    <div class="tu3"><img src="images/3.png" /></div>
</div>
<footer>
     <p>腳本之家</p>
     <p><a href="http://chabaoo.cn" target="_blank">chabaoo.cn</a></p>
</footer>
</body>
</html>

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