CSS3 matrix3d矩阵变换和动画变换
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参考技术A3d变换我们首先要弄清楚坐标轴的方向, 3D变形的坐标轴则是X,Y,Z三条轴组成的立体空间,X轴正方向是朝右,Y周正方向是朝下,Z轴正方向是朝屏幕外
假定都是在三维空间中,平面坐标应该更加简单,刻画一个点的向量应该: [x, y, z]
所谓变换矩阵就是指,该矩阵 X 坐标向量 可以得到变换后的新坐标,满足如下性质
< "平移"后 的坐标> = < 平行移动变换矩阵> X <原始坐标>
< "缩放"后 的坐标> = < 缩放移动变换矩阵> X <原始坐标>
< "旋转"后 的坐标> = < 旋转移动变换矩阵> X <原始坐标>
< "斜切"后 的坐标> = < 斜切移动变换矩阵> X <原始坐标>
初始化的变换矩阵
初始化的变换乘法后的结果
所以matrix3d的默认值
观察者站轴的正方向看向负方向,旋转物体,逆时针为负,顺时针为正。
其中有
可以得到旋转矩阵
移动的变换矩阵
dx: x轴移动的距离
dy: y轴移动的距离
dz: z轴移动的距离
缩放的变换矩阵
斜切是最不好理解的,符合右手定则,如果y轴斜切角度,是指垂直Y轴逆时针旋转一定的角度后的坐标
在前端开发中,我们采用的动画方案有主帧动画 、 补间动画、骨骼动画 等等
借助css3的transform,我们可以实现很流畅的补间动画
如果物体发生了上面的几种变换,可以把上面所有矩阵依次序相乘,然后就得到了最终的变换矩阵
由此我们可以看出来 一个css变换举证 M 总可以写成一个
M = SRT
其中 S 是缩放举证 R 是旋转矩阵 T是缩放举证
变换过程中,我们可以对S R T 分别实现补间动画,来进行变换动画
带有变换的css关键帧动画不适用于SVG
【中文标题】带有变换的css关键帧动画不适用于SVG【英文标题】:css keyframes animation with transform not working on SVG 【发布时间】:2016-02-07 09:51:36 【问题描述】:当我尝试使用 CSS 关键帧动画为 SVG 文本设置动画时,它不会为变换属性设置动画。动画填充属性在同一个动画中起作用。所以动画被执行了。
动画之外的变换工作,所以我不知道为什么它在动画中不起作用。
代码只能在 Chrome 中运行。
我的 SVG(sn-p):
<text x="274.546" y="331.6133" id="Voer" class="st14 st15 clickable">Voer</text>
我的 CSS 代码:
@-webkit-keyframes pulse
0%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
25%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
50%
fill: #ff4a4a;
-webkit-transform: translate(0, -20px);
transform: translate(0, -20px);
75%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
100%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
@keyframes pulse
0%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
25%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
50%
fill: #ff4a4a;
-webkit-transform: translate(0, -20px);
transform: translate(0, -20px);
75%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
100%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
.clickable
-webkit-animation: pulse 3s infinite ;
animation: pulse 3s infinite ;
-webkit-transform: translate(0, -20px);
-ms-transform: translate(0, -20px);
transform: translate(0, -20px);
解决重新创建的问题:https://jsfiddle.net/17ecnuLu/
@-webkit-keyframes pulse
0%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
25%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
50%
fill: #ff4a4a;
-webkit-transform: translate(0, -20px);
transform: translate(0, -20px);
75%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
100%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
@keyframes pulse
0%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
25%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
50%
fill: #ff4a4a;
-webkit-transform: translate(0, -20px);
transform: translate(0, -20px);
75%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
100%
fill: #000000;
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
.clickable
-webkit-animation: pulse 3s infinite ;
animation: pulse 3s infinite ;
-webkit-transform: translate(0, -20px);
-ms-transform: translate(0, -20px);
transform: translate(0, -20px);
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327.6,199.6 339.4,192.7 361.2,166.7 376.8,139.4 396.3,112.5 379.2,116.1 370.3,118.5 360.3,119.9 353.1,120.7 331.7,113.9
307.5,112.5 275.1,120.7 240,129.1 213.4,129.1 213.6,129.3 212.4,129.1 209.3,129.1 203.3,130 167.1,144.2 123.4,160 90.3,167.5
59.5,175.4 41.8,179.2 15.6,183.3 0.5,183.3 0.5,182.1 15.4,182.1 41.5,177.8 59.1,173.9 90,166 122.9,158.8 166.6,143
202.8,128.6 209.1,127.6 239.8,127.6 274.8,119.5 307.2,111.1 332.2,112.5 353.1,119.2 360,118.5 370.1,117.1 379,114.7
400.3,110.3 410.4,106.5 431.5,94.5 446.7,82.7 453.4,77 483.9,59.2 495.1,55.4 520.3,44.6 523.5,42.7 528.7,39.1 533.3,34.5
539.1,32.8 546.3,28.5 549.6,24.4 553.9,21.3 558.7,21.1 565.9,22.7 571.5,26.8 578.9,32.6 580.6,35.7 580.6,42.9 582.7,42.9
587.8,42.2 594.5,40 600,39.3 601.2,47.9 594.3,49.9 588,51.5 585.4,51.5 584.2,51.3 580.6,47.5 579.1,45.3 579.1,35.9 577.7,33.5
570.5,28 568.3,27.1 566.7,26.8 "/>
<polygon class="st10" points="566.7,26.8 562.2,27.3 557.8,26.6 554.7,26.8 552.3,28.3 547.8,31.6 542.7,34.7 537.7,36.7
531.2,40.3 524.3,43.9 521.2,45.8 496,56.8 484.8,60.7 454.3,78.2 447.9,83.7 432.5,95.7 411.4,107.9 400.9,111.5 398.5,112.7
397.5,113.5 378.4,140.3 362.8,167.5 340.7,193.9 328.8,200.8 306,223.6 304.1,230.6 309.8,240.7 310,242.8 308.3,246.7
308.3,247.6 309,250 315.9,258.7 317.3,262.7 317.3,266.8 316.6,272.6 316.3,276.4 316.3,281 315.7,286 316.1,288.7 319.4,297.1
320.1,301.6 319.4,307.4 317.5,313.6 315.1,320.6 314,324.2 312.3,336.4 312.3,344.1 310.3,357.8 310.3,366.2 306.9,376.3
306.3,385.6 306.3,399.3 298.7,413.5 297.7,413 305.3,399.1 305.3,385.6 305.4,376 308.3,365.9 308.3,357.8 311.3,344.1
311.3,336.4 313.1,323.9 314,320.1 316.3,313.1 318,306.9 318.7,301.9 318,297.5 314.6,288.9 314,286.3 314.3,281 314.3,276.4
315,272.3 316.3,266.6 316.3,263 314.7,259.4 308,250.7 307.5,247.6 307.7,246.2 308.9,242.8 308.4,241.1 302.4,230.8 304.8,222.9
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307.9,112.5 275.6,120.7 240.6,129.1 214,129.1 214.2,129.4 213,129.1 209.9,129.1 203.9,130 167.7,144.2 124.1,160 91,167.5
60.4,175.4 42.6,179.1 16.5,183.1 0.5,183.1 0.5,182.1 16.3,182.1 42.4,177.8 59.9,173.9 90.8,166 123.6,158.8 167.2,143
203.4,128.8 209.7,128.1 240.3,128.1 275.3,119.7 307.7,111.2 332.6,112.6 353.4,119.2 360.4,118.5 370.5,117.1 379.3,114.7
400.6,110.3 410.7,106.5 431.8,94.5 446.9,82.7 453.6,77 484,59.2 495.3,55.4 520.5,44.6 523.6,42.7 528.9,39.1 533.4,34.5
539.2,32.8 546.3,28.5 549.7,24.4 554,21.3 558.8,21.1 566,22.7 571.5,26.8 579.2,32.6 581.1,35.7 581.1,43.1 582.8,43.1
587.8,42.3 594.5,40.1 600,39.3 601.2,47.9 594.3,49.7 588,51.1 585.4,51.1 584.2,51.1 580.6,47.3 579.1,45.3 579.1,35.9
577.7,33.5 570.5,28 568.4,27.1 "/>
</g>
<g id="Gebouwen">
</g>
<g id="Namen">
<text transform="matrix(1 0 0 1 272.5991 151.6133)" class="st11 st12 st13">Fura</text>
<text transform="matrix(1 0 0 1 218.0431 188.6133)" class="st14 st15">Sint-Jan-de-Doper</text>
<g>
<g>
<polygon class="st16" points="305.9,158.2 303,155.3 300.1,158.2 300.5,158.7 300.5,162.6 305.4,162.6 305.4,158.7 "/>
<polygon class="st16" points="311,161.9 308.1,159 305.1,161.9 305.6,162.3 305.6,166.3 310.5,166.3 310.5,162.3 "/>
</g>
<g>
<polygon class="st16" points="291.6,158.2 288.7,155.3 285.8,158.2 286.3,158.7 286.3,162.6 291.2,162.6 291.2,158.7 "/>
<polygon class="st16" points="286.1,161.9 283.2,159 280.3,161.9 280.8,162.3 280.8,166.3 285.7,166.3 285.7,162.3 "/>
</g>
<polygon class="st16" points="299,165.5 296.1,162.6 293.1,165.5 293.6,166 293.6,169.9 298.5,169.9 298.5,166 "/>
</g>
<path class="st16" d="M332,182.7"/>
<g>
<polygon class="st16" points="334,184.8 331.1,181.9 328.2,184.8 328.7,185.3 328.7,189.2 333.6,189.2 333.6,185.3 "/>
<g>
<line class="st16" x1="331.1" y1="178.1" x2="331.1" y2="183.7"/>
<line class="st16" x1="329.7" y1="179.4" x2="332.5" y2="179.4"/>
</g>
</g>
<circle class="st17" cx="312.5" cy="328.6" r="3.2"/>
</g>
<g id="Referentiepunten">
<text transform="matrix(0.95 -0.3121 0.3121 0.95 122.4505 152.4042)" class="st18 st11 st19">Maalbeek</text>
<text transform="matrix(1 0 0 1 453.4195 212.28)" class="st18 st11 st12 st13">Zoniënwoud</text>
<text transform="matrix(1 0 0 1 593.3998 16.9999)" class="st18 st11 st12 st13">Vossem</text>
<g>
<text x="274.546" y="331.6133" id="Voer" class="st14 st15 clickable">Voer</text>
</g>
</g>
</svg>
【问题讨论】:
你能做一个演示吗? (jsfiddle,...) @Paulie_D 对不起,我测试了一下并复制了错误的代码,但它仍然无法正常工作(我已经编辑了问题中的代码)。 也许你可以做一个演示? @sniels jsfiddle.net/17ecnuLu 给你! @Paulie_D 我添加了一个 jsfiddle! :) 【参考方案1】:如果您为父 SVG 上的位置设置动画,并为 text
元素上的颜色设置动画,则可以实现此目的。
见https://jsfiddle.net/cgbqq0f6/
编辑:
经过一些实验,您似乎无法在 path
或 text
元素上使用 css 变换动画。但是,您可以将这些应用到包装器元素(例如通用的g
标记,或者如果绑定到 ID 或类的特定标记):
@-webkit-keyframes pulse
0%
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
25%
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
50%
-webkit-transform: translate(0, -20px);
transform: translate(0, -20px);
75%
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
100%
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
@keyframes pulse
0%
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
25%
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
50%
-webkit-transform: translate(0, -20px);
transform: translate(0, -20px);
75%
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
100%
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
@-webkit-keyframes colorText
0%
fill: #000000;
25%
fill: #000000;
50%
fill: #ff4a4a;
75%
fill: #000000;
100%
fill: #000000;
@keyframes colorText
0%
fill: #000000;
25%
fill: #000000;
50%
fill: #ff4a4a;
75%
fill: #000000;
100%
fill: #000000;
.animatable
position: relative;
fill: #000;
-webkit-animation: pulse 3s infinite ;
animation: pulse 3s infinite ;
g.animatable
position: relative;
fill: #000;
-webkit-animation: pulse 2s infinite ;
animation: pulse 2s infinite ;
.animatable text
-webkit-animation: colorText 3s infinite ;
animation: colorText 3s infinite ;
<svg id="voer">
<text x="0" y="15" fill="red" class="animatable">Voer</text>
<g class="animatable"><text x="0" y="30" fill="red" class="two">Another</text></g>
<g class="animatable">
<path d="M150 0 L75 200 L225 200 Z" />
</g>
</svg>
您可以在示例中看到,尽管第一个 text
元素具有 animatable
类,但它不会移动 - 这是因为我们试图直接为 text
元素设置动画。第二个确实移动了,因为 animatable
类位于包装 g
元素上,所以动画会应用到它。
如果您按照示例将 text
元素包装在另一个标签中,您应该能够使用您当前使用的方法为它们设置动画。
【讨论】:
如果只有一张地图和一个地方需要动画,这将是一个很好的解决方案。但这也必须适用于具有多个必须动画的地方的地图。另外我想避免手动将父元素添加到 20 个地图中的所有位置。 另外我忘了说元素会得到不同的延迟。因此,它们不必一次全部移动,而是轮流移动。 我现在看到了你的问题(你的问题没有提到你在 SVG 中有多个元素)。我已经更新了上面的答案。 我已经为此苦恼了一个小时,我的动画在台式机/Android 上运行良好,但在我的旧 iPhone 上,我的transform
动画无法运行,我想不通找出原因,将其从text
移至g
,然后 BAM 就消失了。以上是关于CSS3 matrix3d矩阵变换和动画变换的主要内容,如果未能解决你的问题,请参考以下文章
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