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css - 在 animateMotion 的路径上设置原点和旋转

转载 作者:太空宇宙 更新时间:2023-11-04 00:52:14 24 4
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我想在使用 SVG 的 animateMotion 标签设置动画的路径上应用旋转。似乎应用于 animateMotion 标记遵循的路径的规则 transform-origin:50%;transform: rotate(240deg); 不会改变动画。

<path id="theMotionPathIdLikeToRotate" d="m 100,100 -3e-6,-52.916668 45.82718,26.458333 0,52.916665" stroke-width="5px" stroke="aqua" fill="none" style="transform-origin:50%;transform: rotate(120deg);" stroke-linecap="round" stroke-linejoin="round" />

我的目标是创建动画并重复变换。 In this example 我想创建其他移动的圆圈,围绕六边形中心旋转 120 度和 240 度。

最佳答案

仅由 d 引用的路径的路径定义 ( <mpath> )元素被使用。任何transform它可能会被忽略。

您需要将变换应​​用于圆和 <mpath>在一起。

    <g style="transform-origin:50%;transform: rotate(240deg);">
<circle cx="0" cy="0" r="5" fill="#333333">
<animateMotion dur="4.45s" repeatCount="once">
<mpath xlink:href="#theMotionPath3"/>
</animateMotion>
</circle>
</g>"

<!DOCTYPE HTML>
<html>
<body>
<?xml version="1.0"?>
<svg width="400" height="400" viewBox="0 0 200 200"
xmlns="http://www.w3.org/2000/svg" version="1.1"
xmlns:xlink="http://www.w3.org/1999/xlink" style="background:aquamarine">
<style>
path {
animation-name:animateDash;
animation-duration:5s;
animation-iteration-count:once;
}
@keyframes animateDash {
from{stroke-dasharray:0,2305}
to {stroke-dasharray:2305,0}
}
</style>


<circle cx="50%" cy="50%" r="1" fill="firebrick" />

<path id="theMotionPath" d="m 100,100 -3e-6,-52.916668 45.82718,26.458333 0,52.916665" stroke-width="5px" stroke="antiquewhite" fill="none" stroke-linecap="round" stroke-linejoin="round" />

<path id="theMotionPath2" d="m 100,100 -3e-6,-52.916668 45.82718,26.458333 0,52.916665" stroke-width="5px" stroke="aqua" fill="none" style="transform-origin:50%;transform: rotate(120deg);" stroke-linecap="round" stroke-linejoin="round" />

<path id="theMotionPath3" d="m 100,100 -3e-6,-52.916668 45.82718,26.458333 0,52.916665" stroke-width="5px" stroke="azure" fill="none" style="transform-origin:50%;transform: rotate(240deg);" stroke-linecap="round" stroke-linejoin="round" />

<circle cx="0" cy="0" r="5" fill="#333333">
<animateMotion dur="4.45s" repeatCount="once">
<mpath xlink:href="#theMotionPath3"/>
</animateMotion>
</circle>

<g style="transform-origin:50%;transform: rotate(120deg);">
<circle cx="0" cy="0" r="5" fill="#333333">
<animateMotion dur="4.45s" repeatCount="once">
<mpath xlink:href="#theMotionPath3"/>
</animateMotion>
</circle>
</g>"

<g style="transform-origin:50%;transform: rotate(240deg);">
<circle cx="0" cy="0" r="5" fill="#333333">
<animateMotion dur="4.45s" repeatCount="once">
<mpath xlink:href="#theMotionPath3"/>
</animateMotion>
</circle>
</g>"

<!--- HIDES animateMotion's reset-->
<circle cx="" cy="" r="20" fill="aquamarine" />
<script type="text/javascript">
console.log(theMotionPath.getTotalLength());
</script>
</svg>
</body>
</html>

关于css - 在 animateMotion 的路径上设置原点和旋转,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55632058/

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