mpath
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
<animateMotion> 元素的mpath子元素使<animateMotion> 元素能够引用一个外部的<path>元素作为运动路径的定义。
使用上下文
| 类别 | 动画元素 |
|---|---|
| 允许的内容 | 任意数量、任意顺序的下列元素： 描述性元素 |
示例
html
<svg
width="100%"
height="100%"
viewBox="0 0 500 300"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
<rect
x="1"
y="1"
width="498"
height="298"
fill="none"
stroke="blue"
stroke-width="2" />
<!-- Draw the outline of the motion path in blue, along
with three small circles at the start, middle and end. -->
<path
id="path1"
d="M100,250 C 100,50 400,50 400,250"
fill="none"
stroke="blue"
stroke-width="7.06" />
<circle cx="100" cy="250" r="17.64" fill="blue" />
<circle cx="250" cy="100" r="17.64" fill="blue" />
<circle cx="400" cy="250" r="17.64" fill="blue" />
<!-- Here is a triangle which will be moved about the motion path.
It is defined with an upright orientation with the base of
the triangle centered horizontally just above the origin. -->
<path
d="M-25,-12.5 L25,-12.5 L 0,-87.5 z"
fill="yellow"
stroke="red"
stroke-width="7.06">
<!-- Define the motion path animation -->
<animateMotion dur="6s" repeatCount="indefinite" rotate="auto">
<mpath xlink:href="#path1" />
</animateMotion>
</path>
</svg>
实时输出：
属性
全局属性
专有属性
DOM 接口
该元素实现了 SVGMPathElement 接口。