- Quadratic Bézier Curves:开始点、结束点、控制点
- Cubic Bézier Curves:在一个segment里同时具有peak和valley,2个控制点
- gradientTransform 与 patternTransform(变换的是fill单元,而不是被fill的对象)
<tspan>
<clipPath>
- An SVG mask, on the other hand, transfers its transparency to the object it masks.
- SMIL3
<rect x="10" y="10" width="200" height="20" stroke="black" fill="none">
<animate
attributeName="width"
attributeType="XML"
from="200" to="20"
begin="0s" dur="5s"
fill="freeze" />
</rect>
- 时间:有了小时部分就是绝对时间?仅有分钟和秒代表相对时间?
- 引用另一个
<animate>
元素的属性:
<circle cx="120" cy="60" r="10" style="fill: #9f9; stroke: gray;">
<animate id="c2" attributeName="r" attributeType="XML"
begin="c1.begin+1.25s" dur="4s" from="10" to="30" fill="freeze"/>
</circle>
-
重复动画
- fill="remove" 默认
- repeatCount/repeatDur属性
- 值indefinite
-
keyTimes属性:分割各个transition所占的duration
-
calcMode属性:
- paced
- linear
- discrete
- spline
-
非连续可变的属性:
<set>
元素
<text text-anchor="middle" x="60" y="60" style="visibility: hidden;">
<set attributeName="visibility" attributeType="CSS"
to="visible" begin="4.5s" dur="1s" fill="freeze"/>
All gone!
</text>
-
<animateTransform>
- The
<animate>
element doesn’t work with rotate, translate, scale, or skew because they’re all “wrapped up” inside thetransform
attribute.(animate元素不支持变换属性) - 例:
<g transform="translate(100,60)"> <rect x="-10" y="-10" width="20" height="20" style="fill: #ff9; stroke: black;"> <animateTransform attributeType="XML" attributeName="transform" type="scale" from="1" to="4 2" begin="0s" dur="4s" fill="freeze"/> </rect> </g>
- 如果需要组合多个变换,使用
additive
属性(replace/sum)- 靠,这规范太繁琐了
- The
-
<animateMotion>
:使对象沿任意路径运动(移动的是坐标系?)
<g>
<rect x="0" y="0" width="30" height="30" style="fill: #ccc;"/>
<circle cx="30" cy="30" r="15" style="fill: #cfc; stroke: green;"/>
<animateMotion from="0,0" to="60,30" dur="4s" fill="freeze"/>
</g>
<path d="M-10,-3 L10,-3 L0,-25z" style="fill: yellow; stroke: red;">
<animateMotion
path="M50,125 C 100,25 150,225, 200, 125"
dur="6s" fill="freeze"/>
</path>
注意这里animateMotion元素使用使用2套类型机制。 * rotate:auto 使对象x轴始终与路径的切线平行
- Specifying Key Points and Times for Motion
- keyPoints、keyTimes
- Animating SVG with CSS(略)
- animation-play-state: paused/running; ???