サーキュラーモーションエフェクト JQUEY
今日はjQueryを使って見事な円を描く効果を作成しようとしている。我々は、jQuery.pathは、ポートフォリオの例ではメニューの円の動きをアニメーション化するプラグインを使用することになります。
アイデアは、メインメニューと丸みのコンテンツ領域を持つことです。メニュー項目のいずれかの上にマウスを移動すると、サブメニュー要素がコンテンツエリアのまわりで循環し、表示されます。
■HTML CODE
<div class="wrapper"> <div id="images" class="images"> <img id="image_about" src="images/1.png" alt="1" style="display:block;"/> <img id="image_portfolio" src="images/2.png" alt="2"/> <img id="image_contact" src="images/3.png" alt="3"/> </div> <div class="circleBig"> <div id="menu" class="menu"> <a id="about" class="about" href="">About me</a> <a id="portfolio" class="portfolio" href="">Portfolio</a> <a id="contact" class="contact" href="">Contact</a> </div> </div> </div> <div id="circle_about" class="circle"> <div class="description"> <ul> <li><a href="#">Who I am</a></li> <li><a href="#">What I do</a></li> <li><a href="#">My CV</a></li> </ul> </div> </div> <div id="circle_portfolio" class="circle"> <div class="description"> <div class="thumbs"> <a href="#"><img src="thumbs/1.jpg" alt=""/></a> <a href="#"><img src="thumbs/2.jpg" alt=""/></a> ... </div> </div> </div> <div id="circle_contact" class="circle"> <div class="description"> <ul> <li><a href="#">Email</a></li> <li><a href="#">Twitter</a></li> <li><a href="#">Facebook</a></li> </ul> </div> </div>
■CSS CODE
.wrapper{
font-family: Verdana;
font-size:11px;
width:600px;
height:600px;
position:relative;
top:150px;
left:200px;
}
.images img{
display:none;
position:absolute;
left:6px;
top:6px;
}
.circleBig{
position:absolute;
top:0px;
left:0px;
width:418px;
height:418px;
background:transparent url(../images/circlebg.png) no-repeat top left;
}
.menu{
position:absolute;
width:101px;
height:74px;
top:240px;
left:260px;
z-index:999;
}
a.about, a.portfolio, a.contact{
float:left;
clear:both;
height:23px;
margin-bottom:10px;
width:105px;
text-indent:-2000000px;
opacity:0.8;
background:transparent url(../images/menu.png) no-repeat top left;
}
a.portfolio{
width:90px;
background-position:-105px 0px;
}
a.contact{
width:88px;
background-position:-199px 0px;
}
a.about:hover, a.portfolio:hover, a.contact:hover{
opacity:1.0;
}
.circle{
margin-top:-88px;
margin-left:-88px;
width:176px;
height:176px;
position:absolute;
left:0;
top:0;
background:transparent url(../images/circle.png) no-repeat top left;
z-index:10;
opacity:0;
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);
}
.description{
width:120px;
margin:40px auto;
text-align:center;
}
.description ul{
list-style:none;
text-align:center;
}
.description ul a{
line-height:30px;
font-weight:bold;
color:#fff;
text-decoration:none;
text-transform:uppercase;
font-size:11px;
text-shadow:1px 1px 1px #aaa;
}
.description ul a:hover{
color:#f0f0f0;
}
.thumbs a img{
border:3px solid #f9f9f9;
-moz-box-shadow:1px 1px 2px #999;
-webkit-box-shadow:1px 1px 2px #999;
box-shadow:1px 1px 2px #999;
}
■JS CODE
$(function() {/* when page loads animate the about section by default */
//move($('#about'),2000,2);$('#menu > a').mouseover(
function(){
var $this = $(this);
move($this,800,1);
}
);/*
function to animate / show one circle.
speed is the time it takes to show the circle
turns is the turns the circle gives around the big circle
*/
function move($elem,speed,turns){
var id = $elem.attr('id');
var $circle = $('#circle_'+id);/* if hover the same one nothing happens */
if($circle.css('opacity')==1)
return;/* change the image */
$('#image_'+id).stop(true,true)
.fadeIn(650)
.siblings()
.not(this)
.fadeOut(650);/*
if there's a circle already, then let's remove it:
either animate it in a circular movement or just fading
out, depending on the current position of it
*/
$('#content .circle').each(function(i){
var $theCircle = $(this);
if($theCircle.css('opacity')==1)
$theCircle.stop()
.animate({
path : new $.path.arc({
center : [409,359],
radius : 257,
start : 65,
end : -110,
dir : -1
}),
opacity: '0'
},1500);
else
$theCircle.stop()
.animate({opacity: '0'},200);
});/* make the circle appear in a circular movement */
var end = 65 - 360 * (turns-1);
$circle.stop()
.animate({
path : new $.path.arc({
center : [409,359],
radius : 257,
start : 180,
end : end,
dir : -1
}),
opacity: '1'
},speed);
}
});
