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css - 滚动窗口时运行绘图 SVG

转载 作者:行者123 更新时间:2023-11-28 17:15:30 25 4
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我有 svg 并且我使用@keyframes 为这个 svg 放置动画..它正在工作..

但我的问题是:当我们滚动窗口(浏览器)时如何绘制这个 svg...

因此,当用户向下滚动时,此 svg 开始绘制....

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">

<style>
.oa-hotel {
fill: #FFF;
stroke: #FFF;
stroke-dasharray: 500;
stroke-dashoffset: 500;
}
.oa-hotel-animate {
-webkit-animation: dash 5s linear alternate;
animation: dash 5s linear alternate;
}
@keyframes dash {
from {
stroke-dashoffset: 500; fill: #FFF !important;
fill: black;
}
to {
stroke-dashoffset: 0; fill: #FFF !important;
fill: white;
}
}
@-webkit-keyframes dash {
from {
stroke-dashoffset: 500;
fill: black;
}
to {
stroke-dashoffset: 0;
fill: white;
}
}
</style>
</head>
<body style="background: black;">

<svg id="ps4" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="900px" viewBox="0 0 600 318" enable-background="new 0 0 600 318" xml:space="preserve">

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<!-- TEXT -->
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</svg>

</body>
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最佳答案

试试这个我修改了我在这里找到的代码http://codepen.io/paintbycode/pen/JDbcF希望这会有所帮助。

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//set the units for the svg paths
$(".path").css("stroke-dashoffset", "1000");
$(".path").css("stroke-dasharray", "1000");

//variable for the 'stroke-dashoffset' unit
var $dashOffset = $(".path").css("stroke-dashoffset");//.star

//on a scroll event - execute function
$(window).scroll(function () {

var top = $(window).scrollTop();

//calculate how far down the page the user is
var $percentageComplete = ((top/($("html").height()-$(window).height()))*100);

//convert dashoffset pixel value to interger
var $newUnit = parseInt($dashOffset, 10);

//convert percentage complete unit to an interger
// var $parsedPercentage = parseInt($percentageComplete, 10);

//get the value to be subtracted from the 'stroke-dashoffset'
var $offsetUnit = $percentageComplete * ($newUnit / 100);

//set the new value of the dashoffset to create the drawing effect
$(".path").css("stroke-dashoffset", $newUnit - $offsetUnit);
$(".path").css("fill-opacity", 0 + top * .001);


});

});
body {
color: white;
height: 2000px;
}


svg {
position: fixed;

left: 30%;

}


.path {
stroke-dashoffset: 1000;
stroke-dasharray: 1000;
}
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Scroll</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
</head>

<body style="background: black;">

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关于css - 滚动窗口时运行绘图 SVG,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/28621888/

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