svg基础知识梳理--动画篇

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <svg xmlns="http://www.w3.org/2000/svg" 
        style="border:1px solid red;background: #222256;"
        width="1000" height="600"
        >
    <rect x="100" y="100" width="100" height="100" fill="red">
        <animate
        attributeType="XML"
        attributeName="x"
        from="100"
        to="300"
        dur="3s"
        fill="freeze"
        repeatCount="3"
        ></animate>
        <!--动画可以叠加 freeze停止到最后的状态；repeatCount重复次数-->
        <animate
        attributeType="XML"
        attributeName="fill"
        from="red"
        to="yellow"
        dur="3s"
        fill="freeze"
        ></animate>
    </rect>
    </svg>
</body>
</html>

左右循环

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <svg xmlns="http://www.w3.org/2000/svg" 
        style="border:1px solid red;background: #222256;"
        width="1000" height="600"
        >
        <!--begin="0;goleft.end + 1s" 表示进入页面渲染的时候就开始执行，在goleft执行完毕之后在等1s在执行-->
    <rect x="100" y="100" width="100" height="100" fill="red">
        <animate
        id="goright"
        begin="0;goleft.end + 1s"
        attributeType="XML"
        attributeName="x"
        from="100"
        to="300"
        dur="2s"
        fill="freeze"
        ></animate>
        <animate
        id="goleft"
        begin="goright.end + 1s"
        attributeType="XML"
        attributeName="x"
        from="300"
        to="100"
        dur="3s"
        fill="freeze"
        ></animate>
        <!--动画可以叠加 freeze停止到最后的状态；repeatCount重复次数-->
        <animate
        attributeType="XML"
        attributeName="fill"
        from="red"
        to="yellow"
        dur="3s"
        fill="freeze"
        ></animate>
    </rect>
    </svg>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <svg xmlns="http://www.w3.org/2000/svg" 
        style="border:1px solid red;background: #222256;"
        width="800" height="800"
        viewBox="-400 -400 800 800"
        >
        <!--  viewBox 使用 负数 设置原点为中心位置 -->
    <rect x="0" y="0" width="100" height="100" fill="red">
        <animateTransform
        id="rotate"
        attributeName="transform"
        attributeType="XML"
        type="rotate"
        from="0"
        to="360"
        dur="3s"
        fill="freeze"
        ></animateTransform>
        
    </rect>
    </svg>
</body>
</html>

两个动画效果时

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <svg xmlns="http://www.w3.org/2000/svg" 
        style="border:1px solid red;background: #222256;"
        width="800" height="800"
        viewBox="-400 -400 800 800"
        >
        <!--  viewBox 使用 负数 设置原点为中心位置 -->
    <rect x="0" y="0" width="100" height="100" fill="red">
        <animateTransform
        id="rotate"
        attributeName="transform"
        attributeType="XML"
        type="rotate"
        from="0"
        to="360"
        dur="3s"
        fill="freeze"
        additive="sum"
        ></animateTransform>
        <!--支持两个动画效果的时候要增加属性 additive="sum" -->
        <animateTransform
        id="scale"
        attributeName="transform"
        attributeType="XML"
        type="scale"
        from="1"
        to="2"
        dur="3s"
        fill="freeze"
        additive="sum"
        ></animateTransform>
    </rect>
    </svg>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <svg xmlns="http://www.w3.org/2000/svg" 
        style="border:1px solid red;background: #222256;"
        width="800" height="800"
        viewBox="-400 -400 800 800"
        >
    <rect x="-25" y="-25" width="50" height="50" fill="red">
        <animateMotion
            dur="3s"
            rotate="auto"
        >
        <mpath xlink:href="#motion-path"></mpath>
        </animateMotion>
    </rect>
        <path id="motion-path"
        d="M -100 0 L 100 100 A 150 150 0 1 0 0 -100"
        stroke="#fff"
        fill="none"
        ></path>
    </svg>
</body>
</html>