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1,使用调速函数控制过渡效果的速度曲线(加速,减速等) 使用调速函数可以设置过渡效果的速度曲线,从而实现过渡效果随着时间来改变其速度。比如:开始很慢然后加速或者开始很快然后减速。 (1)CSS3定义了如下的调速函数: linear 规定以相同速度开始至结束的过渡效果(等于 cubic-bezier(0,0,1,1))。 (2)调速函数的使用 transition: opacity 10s ease-in-out; (3)使用样例1: <!doctype html> <html lang="en"> <head> <title>hangge.com</title> <style> .trans_box { padding: 20px; *zoom:1; } .trans_list { width: 10%; height: 64px; margin:10px 0; color:#fff; text-align:center; } .linear { -webkit-transition: all 4s linear; -moz-transition: all 4s linear; -o-transition: all 4s linear; transition: all 4s linear; } .ease { -webkit-transition: all 4s ease; -moz-transition: all 4s ease; -o-transition: all 4s ease; transition: all 4s ease; } .ease_in { -webkit-transition: all 4s ease-in; -moz-transition: all 4s ease-in; -o-transition: all 4s ease-in; transition: all 4s ease-in; } .ease_out { -webkit-transition: all 4s ease-out; -moz-transition: all 4s ease-out; -o-transition: all 4s ease-out; transition: all 4s ease-out; } .ease_in_out { -webkit-transition: all 4s ease-in-out; -moz-transition: all 4s ease-in-out; -o-transition: all 4s ease-in-out; transition: all 4s ease-in-out; } .trans_box:hover .trans_list, .trans_box_hover .trans_list { margin-left:89%; color:#333; -webkit-border-radius:25px; -moz-border-radius:25px; -o-border-radius:25px; border-radius:25px; -webkit-transform: rotate(360deg); -moz-transform: rotate(360deg); -o-transform: rotate(360deg); transform: rotate(360deg); } </style> </head> <div id="transBox" class="trans_box"> <div class="trans_list ease">ease<br>(default)</div> <div class="trans_list ease_in">ease-in</div> <div class="trans_list ease_out">ease-out</div> <div class="trans_list ease_in_out">ease-in-out</div> <div class="trans_list linear">linear</div> </div> </html> (4)使用样例2: 下面通过对柱状图的宽度改变过渡,演示不同调速函数的效果区别。 <!DOCTYPE html> <html> <head> <style> div { margin:10px 0; width:100px; height:50px; background:#2D9900; color:white; font-weight:bold; transition:width 2s; -moz-transition:width 2s; /* Firefox 4 */ -webkit-transition:width 2s; /* Safari and Chrome */ -o-transition:width 2s; /* Opera */ } #div1 {transition-timing-function: linear;} #div2 {transition-timing-function: ease;} #div3 {transition-timing-function: ease-in;} #div4 {transition-timing-function: ease-out;} #div5 {transition-timing-function: ease-in-out;} /* Firefox 4: */ #div1 {-moz-transition-timing-function: linear;} #div2 {-moz-transition-timing-function: ease;} #div3 {-moz-transition-timing-function: ease-in;} #div4 {-moz-transition-timing-function: ease-out;} #div5 {-moz-transition-timing-function: ease-in-out;} /* Safari and Chrome: */ #div1 {-webkit-transition-timing-function: linear;} #div2 {-webkit-transition-timing-function: ease;} #div3 {-webkit-transition-timing-function: ease-in;} #div4 {-webkit-transition-timing-function: ease-out;} #div5 {-webkit-transition-timing-function: ease-in-out;} /* Opera: */ #div1 {-o-transition-timing-function: linear;} #div2 {-o-transition-timing-function: ease;} #div3 {-o-transition-timing-function: ease-in;} #div4 {-o-transition-timing-function: ease-out;} #div5 {-o-transition-timing-function: ease-in-out;} .trans_box:hover div { width:500px; } </style> </head> <body> <div id="transBox" class="trans_box"> <div id="div2" style="top:150px">ease<br>(default)</div> <div id="div3" style="top:200px">ease-in</div> <div id="div4" style="top:250px">ease-out</div> <div id="div5" style="top:300px">ease-in-out</div> <div id="div1" style="top:100px">linear</div> </div> </body> </html> 2,为过渡增加延时 过渡属性还可以添加一个可选的延时,用以将过渡的开始推迟一段时间。下面是一个等待1秒的例子。 <!doctype html> <html lang="en"> <head> <title>hangge.com</title> <style> .trans_box3 { padding: 20px; *zoom:1; } .trans_box3 div{ width:100px; height:50px; background:#2D9900; color:white; font-weight:bold; -webkit-transition: all 2s ease-out 1s; -moz-transition: all 2s ease-out 1s; -o-transition: all 2s ease-out 1s; transition: all 2s ease-out 1s; } .trans_box3:hover div { width:500px; } </style> </head> <div class="trans_box3"> <div>延时1秒</div> </div> </html> 到此这篇关于CSS3 对过渡(transition)进行调速以及延时的文章就介绍到这了,更多相关CSS3 过渡调速及延时内容请搜索极客世界以前的文章或继续浏览下面的相关文章,希望大家以后多多支持极客世界! |
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