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javascript - anchor 上的 svg 动画

转载 作者:行者123 更新时间:2023-11-28 17:12:01 25 4
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我正在尝试制作一个带有步骤的循环时间表,我正在使用一个 fullpage.js 插件,它使每个部分都在 100% 的窗口中,正文溢出,所以实际上只有 4 个滚动步骤所以步骤必须是:

section1 -->stroke  0%
section2 -->stroke 25%
section3 -->stroke 50%
section4 -->stroke 75%

在当前代码中,我使用悬停来显示效果:

	$(document).ready(function() {
$('#fullpage').fullpage({
anchors: ['firstPage', 'secondPage', '3rdPage', '4thPage', 'lastPage'],
menu: '#menu',
scrollingSpeed: 1000,
});

});
 body {
height:100%;
margin:0;
padding:0;
overflow:hidden;
font-family: 'source_sans_proextralight';
}

/********** timeline ************/
#timeline{
position:fixed;
width:500px;
height:500px;
top:50%;
left:50%;
margin-top:-250px;
margin-left:-250px;
pointer-events: all;
z-index:99;
}


#greycircle, #smallgreytop, #smallgreyleft, #smallgreybottom, #smallgreyright{
stroke:rgba(204,204,204,0.4);
}
#bluecircle{
stroke-dasharray:1510;
stroke-dashoffset:1510;
-webkit-transition:all 1s ease;
transition:all 1s ease;
}


#bluecircle:hover{
stroke-dashoffset:0;
}
#smallblueleft, #smallbluebottom, #smallblueright{
opacity:0;
-webkit-transition:all 1s ease;
transition:all 1s ease;
}

#smallbluetop:hover, #smallblueleft:hover, #smallbluebottom:hover, #smallblueright:hover{
opacity:1;
}
/********** section ************/


.fp-section {
position: relative;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}

.fp-section.fp-table, .fp-slide.fp-table {
display: table;
table-layout:fixed;
width: 100%;
}
.fp-tableCell {
display: table-cell;
vertical-align: middle;
width: 100%;
height: 100%;
}

.fp-scrollable {
overflow: scroll;
}
.fp-notransition {
-webkit-transition: none !important;
transition: none !important;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://raw.githubusercontent.com/alvarotrigo/fullPage.js/master/jquery.fullPage.js"></script>



<!---------- timeline ----------->
<div id="timeline">


<svg x="0px" y="0px" width="500px" height="500px" viewBox="0 0 500 500">
<circle id="greycircle" fill="none" stroke="#727272" stroke-width="2" stroke-miterlimit="10" cx="249.85" cy="248.065" r="239.024"/>

<circle id="smallgreytop" fill="#FFFFFF" stroke="#A6A6A6" stroke-width="2" stroke-miterlimit="10" cx="249.85" cy="8.643" r="5.976"/>

<circle id="smallgreyleft" fill="#FFFFFF" stroke="#A6A6A6" stroke-width="2" stroke-miterlimit="10" cx="488.875" cy="247.667" r="5.976"/>

<circle id="smallgreybottom" fill="#FFFFFF" stroke="#A6A6A6" stroke-width="2" stroke-miterlimit="10" cx="249.85" cy="486.691" r="5.976"/>

<circle id="smallgreyright" fill="#FFFFFF" stroke="#A6A6A6" stroke-width="2" stroke-miterlimit="10" cx="10.826" cy="247.667" r="5.976"/>

<circle id="bluecircle" fill="none" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="249.85" cy="248.065" r="239.024" transform="rotate(-90 249.85 248.065)"/>

<a xlink:href="#firstPage"><circle id="smallbluetop" fill="#FFFFFF" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="249.85" cy="8.643" r="5.976"/></a>

<a xlink:href="#secondPage"><circle id="smallblueleft" fill="#FFFFFF" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="488.875" cy="247.667" r="5.976"/></a>

<a xlink:href="#3rdPage"><circle id="smallbluebottom" fill="#FFFFFF" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="249.85" cy="486.691" r="5.976"/></a>

<a xlink:href="#4thPage"><circle id="smallblueright" fill="#FFFFFF" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="10.826" cy="247.667" r="5.976"/></a>
</svg>

</div>

<div id="fullpage">
<div class="section " id="don">
<h2></h2>
<p></p>
</div>
<div class="section" id="emploi">
<h2>fullPage.js</h2>
<p>Create Beautiful Fullscreen Scrolling Websites</p>
</div>
<div class="section" id="section2">
<h2>Example</h2>
<p>HTML markup example to define 4 sections.</p>
</div>
<div class="section" id="section4">
<h2>Working On Tablets</h2>
<p>Designed to fit to different screen</p>
</div>
</div>

最佳答案

您可以使用 fullpage.js回调 onleave(index, nextIndex, direction)

onLeave: function(index, nextIndex, direction){
$('#bluecircle').css('stroke-dashoffset', (1510/4)*(4-(nextIndex-1)) );
}

但是,我没有找到获取anchors.length值的方法,这比硬编码4要好。

$(document).ready(function() {
$('#fullpage').fullpage({
anchors: ['firstPage', 'secondPage', '3rdPage', '4thPage', 'lastPage'],
menu: '#menu',
scrollingSpeed: 1000,
onLeave: function(index, nextIndex, direction){
$('#bluecircle').css('stroke-dashoffset', (1510/4)*(4-(nextIndex-1)));
}
});
});
body {
height:100%;
margin:0;
padding:0;
overflow:hidden;
font-family: 'source_sans_proextralight';
}

/********** timeline ************/
#timeline{
position:fixed;
width:500px;
height:500px;
top:50%;
left:50%;
margin-top:-250px;
margin-left:-250px;
pointer-events: all;
z-index:99;
}


#greycircle, #smallgreytop, #smallgreyleft, #smallgreybottom, #smallgreyright{
stroke:rgba(204,204,204,0.4);
}
#bluecircle{
stroke-dasharray:1510;
stroke-dashoffset:1510;
-webkit-transition:all 1s ease;
transition:all 1s ease;
}



#smallblueleft, #smallbluebottom, #smallblueright{
opacity:0;
-webkit-transition:all 1s ease;
transition:all 1s ease;
}

#smallbluetop:hover, #smallblueleft:hover, #smallbluebottom:hover, #smallblueright:hover{
opacity:1;
}
/********** section ************/


.fp-section {
position: relative;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}

.fp-section.fp-table, .fp-slide.fp-table {
display: table;
table-layout:fixed;
width: 100%;
}
.fp-tableCell {
display: table-cell;
vertical-align: middle;
width: 100%;
height: 100%;
}

.fp-scrollable {
overflow: scroll;
}
.fp-notransition {
-webkit-transition: none !important;
transition: none !important;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://raw.githubusercontent.com/alvarotrigo/fullPage.js/master/jquery.fullPage.js"></script>



<!---------- timeline ----------->
<div id="timeline">


<svg x="0px" y="0px" width="500px" height="500px" viewBox="0 0 500 500">
<circle id="greycircle" fill="none" stroke="#727272" stroke-width="2" stroke-miterlimit="10" cx="249.85" cy="248.065" r="239.024"/>

<circle id="smallgreytop" fill="#FFFFFF" stroke="#A6A6A6" stroke-width="2" stroke-miterlimit="10" cx="249.85" cy="8.643" r="5.976"/>

<circle id="smallgreyleft" fill="#FFFFFF" stroke="#A6A6A6" stroke-width="2" stroke-miterlimit="10" cx="488.875" cy="247.667" r="5.976"/>

<circle id="smallgreybottom" fill="#FFFFFF" stroke="#A6A6A6" stroke-width="2" stroke-miterlimit="10" cx="249.85" cy="486.691" r="5.976"/>

<circle id="smallgreyright" fill="#FFFFFF" stroke="#A6A6A6" stroke-width="2" stroke-miterlimit="10" cx="10.826" cy="247.667" r="5.976"/>

<circle id="bluecircle" fill="none" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="249.85" cy="248.065" r="239.024" transform="rotate(-90 249.85 248.065)"/>

<a data-offset="0" xlink:href="#firstPage"><circle id="smallbluetop" fill="#FFFFFF" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="249.85" cy="8.643" r="5.976"/></a>

<a data-offset="1132.5" xlink:href="#secondPage"><circle id="smallblueleft" fill="#FFFFFF" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="488.875" cy="247.667" r="5.976"/></a>

<a data-offset="755" xlink:href="#3rdPage"><circle id="smallbluebottom" fill="#FFFFFF" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="249.85" cy="486.691" r="5.976"/></a>

<a data-offset="377.5" xlink:href="#4thPage"><circle id="smallblueright" fill="#FFFFFF" stroke="#2C75FF" stroke-width="3" stroke-miterlimit="10" cx="10.826" cy="247.667" r="5.976"/></a>
</svg>

</div>

<div id="fullpage">
<div class="section " id="don">
<h2></h2>
<p></p>
</div>
<div class="section" id="emploi">
<h2>fullPage.js</h2>
<p>Create Beautiful Fullscreen Scrolling Websites</p>
</div>
<div class="section" id="section2">
<h2>Example</h2>
<p>HTML markup example to define 4 sections.</p>
</div>
<div class="section" id="section4">
<h2>Working On Tablets</h2>
<p>Designed to fit to different screen</p>
</div>
</div>

关于javascript - anchor 上的 svg 动画,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29069907/

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