这是一个基于HTML5的齿轮动画特效，我们将齿轮转动的物理学原理，转换为HTML5代码，在网页上实现了模拟齿轮转动的动画效果。该齿轮动画的最大特点是它由好多个齿轮组成，这对齿轮传动的算法要求就大大提高了，而且我们并没有用JavaScript，而是纯CSS3实现的。
HTML代码
<div id="level"> <div id="content"> <div id="gears"> <div id="gears-static"></div> <div id="gear-system-1"> <div class="shadow" id="shadow15"></div> <div id="gear15"></div> <div class="shadow" id="shadow14"></div> <div id="gear14"></div> <div class="shadow" id="shadow13"></div> <div id="gear13"></div> </div> <div id="gear-system-2"> <div class="shadow" id="shadow10"></div> <div id="gear10"></div> <div class="shadow" id="shadow3"></div> <div id="gear3"></div> </div> <div id="gear-system-3"> <div class="shadow" id="shadow9"></div> <div id="gear9"></div> <div class="shadow" id="shadow7"></div> <div id="gear7"></div> </div> <div id="gear-system-4"> <div class="shadow" id="shadow6"></div> <div id="gear6"></div> <div id="gear4"></div> </div> <div id="gear-system-5"> <div class="shadow" id="shadow12"></div> <div id="gear12"></div> <div class="shadow" id="shadow11"></div> <div id="gear11"></div> <div class="shadow" id="shadow8"></div> <div id="gear8"></div> </div> <div class="shadow" id="shadow1"></div> <div id="gear1"></div> <div id="gear-system-6"> <div class="shadow" id="shadow5"></div> <div id="gear5"></div> <div id="gear2"></div> </div> <div class="shadow" id="shadowweight"></div> <div id="chain-circle"></div> <div id="chain"></div> <div id="weight"></div> </div> </div></div>
CSS代码
#level{ width:100%; height:1px; position:absolute; top:50%;
}#content{ text-align:center; margin-top:-327px;
}#gears{ width:478px; height:655px; position:relative; display:inline-block; vertical-align:middle;
}#gears-static{ background:url(FgFnjks.png) no-repeat -363px -903px; width:329px; height:602px; position:absolute; bottom:5px; right:0px; opacity:0.4;
}#title{ vertical-align:middle; color:#9EB7B5; width:43%; display:inline-block;
}#title h1{ font-family: 'PTSansNarrowBold', sans-serif; font-size:3.6em; text-shadow:rgba(0, 0, 0, 0.36) 7px 7px 10px;
}#title p{ font-family: sans-serif; font-size:1.2em; line-height:148%; text-shadow:rgba(0, 0, 0, 0.36) 1px 1px 0px;
}.shadow{ -webkit-box-shadow: 4px 7px 25px 10px rgba(43, 36, 0, 0.36); -moz-box-shadow: 4px 7px 25px 10px rgba(43, 36, 0, 0.36); box-shadow: 4px 7px 25px 10px rgba(43, 36, 0, 0.36);
}/*gear-system-1*/#gear15{ background: url(FgFnjks.png) no-repeat 0 -993px; width: 321px; height: 321px; position:absolute; left:45px; top:179px; -webkit-animation: rotate-back 24000ms linear infinite; -moz-animation: rotate-back 24000ms linear infinite; -ms-animation: rotate-back 24000ms linear infinite; animation: rotate-back 24000ms linear infinite;
}#shadow15{ width:306px; height:306px; -webkit-border-radius:153px; -moz-border-radius:153px; border-radius:153px; position:absolute; left:52px; top:186px;
}#gear14{ background: url(FgFnjks.png) no-repeat 0 -856px; width: 87px; height: 87px; position:absolute; left:162px; top:296px;
}#shadow14{ width:70px; height:70px; -webkit-border-radius:35px; -moz-border-radius:35px; border-radius:35px; position:absolute; left:171px; top:304px;
}#gear13{ background: url(FgFnjks.png) no-repeat 0 -744px; width: 62px; height: 62px; position:absolute; left:174px; top:309px; -webkit-animation: rotate 8000ms linear infinite; -moz-animation: rotate 8000ms linear infinite; -ms-animation: rotate 8000ms linear infinite; animation: rotate 8000ms linear infinite;
}#shadow13{ width:36px; height:36px; -webkit-border-radius:18px; -moz-border-radius:18px; border-radius:18px; position:absolute; left:187px; top:322px;
}/*gear-system-2*/#gear10{ background: url(FgFnjks.png) no-repeat 0 -184px; width: 122px; height: 122px; position:absolute; left:175px; top:0; -webkit-animation: rotate-back 8000ms linear infinite; -moz-animation: rotate-back 8000ms linear infinite; -ms-animation: rotate-back 8000ms linear infinite; animation: rotate-back 8000ms linear infinite;
}#shadow10{ width:86px; height:86px; -webkit-border-radius:43px; -moz-border-radius:43px; border-radius:43px; position:absolute; left:193px; top:18px;
}#gear3{ background: url(FgFnjks.png) no-repeat 0 -1493px; width: 85px; height: 84px; position:absolute; left:194px; top:19px; -webkit-animation: rotate 10000ms linear infinite; -moz-animation: rotate 10000ms linear infinite; -ms-animation: rotate 10000ms linear infinite; animation: rotate 10000ms linear infinite;
}#shadow3{ width:60px; height:60px; -webkit-border-radius:30px; -moz-border-radius:30px; border-radius:30px; position:absolute; left:206px; top:31px;
}/*gear-system-3*/#gear9{ background: url(FgFnjks.png) no-repeat -371px -280px; width: 234px; height: 234px; position:absolute; left:197px; top:96px; -webkit-animation: rotate 12000ms linear infinite; -moz-animation: rotate 12000ms linear infinite; -ms-animation: rotate 12000ms linear infinite; animation: rotate 12000ms linear infinite;
}#shadow9{ width:200px; height:200px; -webkit-border-radius:100px; -moz-border-radius:100px; border-radius:100px; position:absolute; left:214px; top:113px;
}#gear7{ background: url(FgFnjks.png) no-repeat -371px 0; width: 108px; height: 108px; position:absolute; left:260px; top:159px; -webkit-animation: rotate-back 10000ms linear infinite; -moz-animation: rotate-back 10000ms linear infinite; -ms-animation: rotate-back 10000ms linear infinite; animation: rotate-back 10000ms linear infinite;
}#shadow7{ width:76px; height:76px; -webkit-border-radius:38px; -moz-border-radius: 38px; border-radius: 38px; position:absolute; left:276px; top:175px;
}/*gear-system-4*/#gear6{ background: url(FgFnjks.png) no-repeat 0 -1931px; width: 134px; height: 134px; position:absolute; left:305px; bottom:212px; -webkit-animation: rotate-back 10000ms linear infinite; -moz-animation: rotate-back 10000ms linear infinite; -ms-animation: rotate-back 10000ms linear infinite; animation: rotate-back 10000ms linear infinite;
}#shadow6{ width:98px; height:98px; -webkit-border-radius:49px; -moz-border-radius: 49px; border-radius: 49px; position:absolute; left:323px; bottom:230px;
}#gear4{ background: url(FgFnjks.png) no-repeat 0 -1627px; width: 69px; height: 69px; position:absolute; left:337px; bottom:245px; -webkit-animation: rotate-back 10000ms linear infinite; -moz-animation: rotate-back 10000ms linear infinite; -ms-animation: rotate-back 10000ms linear infinite; animation: rotate-back 10000ms linear infinite;
}/*gear-system-5*/#gear12{ background: url(FgFnjks.png) no-repeat 0 -530px; width: 164px; height: 164px; position:absolute; left:208px; bottom:85px; -webkit-animation: rotate 8000ms linear infinite; -moz-animation: rotate 8000ms linear infinite; -ms-animation: rotate 8000ms linear infinite; animation: rotate 8000ms linear infinite;
}#shadow12{ width:124px; height:124px; -webkit-border-radius:62px; -moz-border-radius:62px; border-radius:62px; position:absolute; left:225px; bottom:107px;
}#gear11{ background: url(FgFnjks.png) no-repeat 0 -356px; width: 125px; height: 124px; position:absolute; left:228px; bottom:105px; -webkit-animation: rotate-back 10000ms linear infinite; -moz-animation: rotate-back 10000ms linear infinite; -ms-animation: rotate-back 10000ms linear infinite; animation: rotate-back 10000ms linear infinite;
}#shadow11{ width:88px; height:88px; -webkit-border-radius:44px; -moz-border-radius:44px; border-radius:44px; position:absolute; left:247px; bottom:123px;
}#gear8{ background: url(FgFnjks.png) no-repeat -371px -158px; width: 72px; height: 72px; position:absolute; left:254px; bottom:131px; -webkit-animation: rotate 6000ms linear infinite; -moz-animation: rotate 6000ms linear infinite; -ms-animation: rotate 6000ms linear infinite; animation: rotate 6000ms linear infinite;
}#shadow8{ width:42px; height:42px; -webkit-border-radius:21px; -moz-border-radius: 21px; border-radius: 21px; position:absolute; left:269px; bottom:146px;
}/*gear1*/#gear1{ background: url(FgFnjks.png) no-repeat 0 0; width: 135px; height: 134px; position:absolute; left:83px; bottom:111px; -webkit-animation: rotate-back 10000ms linear infinite; -moz-animation: rotate-back 10000ms linear infinite; -ms-animation: rotate-back 10000ms linear infinite; animation: rotate-back 10000ms linear infinite;
}#shadow1{ width:96px; height:96px; -webkit-border-radius:48px; -moz-border-radius:48px; border-radius:48px; position:absolute; left:103px; bottom:130px;
}/*gear-system-6*/#gear5{ background: url(FgFnjks.png) no-repeat 0 -1746px; width: 134px; height: 135px; position:absolute; left:22px; top:108px; -webkit-animation: rotate 10000ms linear infinite alternate; -moz-animation: rotate 10000ms linear infinite alternate; -ms-animation: rotate 10000ms linear infinite alternate; animation: rotate 10000ms linear infinite alternate;
}#shadow5{ width:96px; height:96px; -webkit-border-radius:48px; -moz-border-radius:48px; border-radius:48px; position:absolute; left:41px; top:127px;
}#gear2{ background: url(FgFnjks.png) no-repeat 0 -1364px; width: 80px; height: 79px; position:absolute; left:49px; top:136px; -webkit-animation: rotate-back 10000ms linear infinite alternate; -moz-animation: rotate-back 10000ms linear infinite alternate; -ms-animation: rotate-back 10000ms linear infinite alternate; animation: rotate-back 10000ms linear infinite alternate;
}/*weight*/#weight{ background: url(FgFnjks.png) no-repeat -371px -564px; width: 34px; height: 92px; position:absolute; left:1px; bottom:0; -webkit-animation: up 10000ms linear infinite alternate; -moz-animation: up 10000ms linear infinite alternate; -ms-animation: up 10000ms linear infinite alternate; animation: up 10000ms linear infinite alternate;
}#shadowweight{ width:10px; height:80px; position:absolute; left:12px; bottom:0px; -webkit-animation: up 10000ms linear infinite alternate; -moz-animation: up 10000ms linear infinite alternate; -ms-animation: up 10000ms linear infinite alternate; animation: up 10000ms linear infinite alternate;
}/*chain*/#chain-circle{ background: url(FgFnjks.png) no-repeat -371px -706px; width:146px; height:147px; position:absolute; left:17px; top:102px; -webkit-animation: rotate 10000ms linear infinite alternate; -moz-animation: rotate 10000ms linear infinite alternate; -ms-animation: rotate 10000ms linear infinite alternate; animation: rotate 10000ms linear infinite alternate;
}#chain{ width:1px; height:380px; border-left:2px dotted #C8D94A; position:absolute; left:17px; top:175px; opacity:0.7; -webkit-animation: collapse 10000ms linear infinite alternate; -moz-animation: collapse 10000ms linear infinite alternate; -ms-animation: collapse 10000ms linear infinite alternate; animation: collapse 10000ms linear infinite alternate;
}/*ANIMATIONS*//*rotate*/@keyframes "rotate" { from { -webkit-transform: rotate(0deg); -moz-transform: rotate(0deg); -o-transform: rotate(0deg); -ms-transform: rotate(0deg); transform: rotate(0deg);
} to { -webkit-transform: rotate(360deg); -moz-transform: rotate(360deg); -o-transform: rotate(360deg); -ms-transform: rotate(360deg); transform: rotate(360deg);
}
}
@-moz-keyframes rotate { from { -moz-transform: rotate(0deg); transform: rotate(0deg);
} to { -moz-transform: rotate(360deg); transform: rotate(360deg);
}
}
@-webkit-keyframes "rotate" { from { -webkit-transform: rotate(0deg); transform: rotate(0deg);
} to { -webkit-transform: rotate(360deg); transform: rotate(360deg);
}
}
@-ms-keyframes "rotate" { from { -ms-transform: rotate(0deg); transform: rotate(0deg);
} to { -ms-transform: rotate(360deg); transform: rotate(360deg);
}
}
@-o-keyframes "rotate" { from { -o-transform: rotate(0deg); transform: rotate(0deg);
} to { -o-transform: rotate(360deg); transform: rotate(360deg);
}
}/*rotate-back*/@keyframes "rotate-back" { from { -webkit-transform: rotate(0deg); -moz-transform: rotate(0deg); -o-transform: rotate(0deg); -ms-transform: rotate(0deg); transform: rotate(0deg);
} to { -webkit-transform: rotate(-360deg); -moz-transform: rotate(-360deg); -o-transform: rotate(-360deg); -ms-transform: rotate(-360deg); transform: rotate(-360deg);
}
}
@-moz-keyframes rotate-back { from { -moz-transform: rotate(0deg); transform: rotate(0deg);
} to { -moz-transform: rotate(-360deg); transform: rotate(-360deg);
}
}
@-webkit-keyframes "rotate-back" { from { -webkit-transform: rotate(0deg); transform: rotate(0deg);
} to { -webkit-transform: rotate(-360deg); transform: rotate(-360deg);
}
}
@-ms-keyframes "rotate-back" { from { -ms-transform: rotate(0deg); transform: rotate(0deg);
} to { -ms-transform: rotate(-360deg); transform: rotate(-360deg);
}
}
@-o-keyframes "rotate-back" { from { -o-transform: rotate(0deg); transform: rotate(0deg);
} to { -o-transform: rotate(-360deg); transform: rotate(-360deg);
}
}/*weight up*/@keyframes "up" { from { bottom: 0px;
} to { bottom: 340px;
}
}
@-moz-keyframes up { from { bottom: 0px;
} to { bottom: 340px;
}
}
@-webkit-keyframes "up" { from { bottom: 0px;
} to { bottom: 340px;
}
}
@-ms-keyframes "up" { from { bottom: 0px;
} to { bottom: 340px;
}
}
@-o-keyframes "up" { from { bottom: 0px;
} to { bottom: 340px;
}
}/*chain up and down*/@keyframes "collapse" { from { height: 387px;
} to { height: 48px;
}
}
@-moz-keyframes collapse { from { height: 387px;
} to { height: 48px;
}
}
@-webkit-keyframes "collapse" { from { height: 387px;
} to { height: 48px;
}
}
@-ms-keyframes "collapse" { from { height: 387px;
} to { height: 48px;
}
}
@-o-keyframes "collapse" { from { height: 387px;
} to { height: 48px;
}
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