WPF 利用路径动画做一个环形加载动画

简单用一个路径动画做一个环形加载动画

四个点，启动时间各个不同，运行时间相同。启动时圆形半径为0，启动后恢复正常半径。

gif截图略慢，实际运行还是可以的

 

 

 <Window.Resources>  <PathGeometry x:Key="EllipesPath" Figures="M 5 10 a 35 35 0 1 1 1 1 Z"/> </Window.Resources> <Grid>  <Canvas x:Name="cs">   <Path Panel.ZIndex="1" x:Name="Geo" Visibility="Visible" Canvas.Top="100" Canvas.Left="100" Fill="Red" Stroke="Red" >    <Path.Data>     <GeometryGroup x:Name="G1" FillRule="Nonzero" >      <EllipseGeometry x:Name="eg1" Center="05 10" RadiusX="0" RadiusY="0" />      <EllipseGeometry x:Name="eg2" Center="25 10" RadiusX="0" RadiusY="0"/>      <EllipseGeometry x:Name="eg3" Center="45 10" RadiusX="0" RadiusY="0"/>      <EllipseGeometry x:Name="eg4" Center="65 10" RadiusX="0" RadiusY="0"/>     </GeometryGroup>    </Path.Data>    <Path.RenderTransform>     <RotateTransform/>    </Path.RenderTransform>    <Path.Triggers>     <EventTrigger RoutedEvent="Path.Loaded" >      <BeginStoryboard x:Name="P1" >       <Storyboard>        <DoubleAnimation Storyboard.TargetName="eg1" Storyboard.TargetProperty="RadiusX" To="5" BeginTime="0:0:0" />        <DoubleAnimation Storyboard.TargetName="eg1" Storyboard.TargetProperty="RadiusY" To="5" BeginTime="0:0:0" />        <PointAnimationUsingPath Storyboard.TargetName="eg1" Storyboard.TargetProperty="Center" RepeatBehavior="Forever" PathGeometry="{DynamicResource EllipesPath}" Duration="0:0:4" BeginTime="0:0:0.1" AccelerationRatio="0.7" SpeedRatio="1.2"/>       </Storyboard>      </BeginStoryboard>      <BeginStoryboard x:Name="P2">       <Storyboard>        <DoubleAnimation Storyboard.TargetName="eg2" Storyboard.TargetProperty="RadiusX" To="5" BeginTime="0:0:0.5" />        <DoubleAnimation Storyboard.TargetName="eg2" Storyboard.TargetProperty="RadiusY" To="5" BeginTime="0:0:0.5" />        <PointAnimationUsingPath Storyboard.TargetName="eg2" Storyboard.TargetProperty="Center" RepeatBehavior="Forever" PathGeometry="{DynamicResource EllipesPath}" Duration="0:0:4" BeginTime="0:0:0.5" AccelerationRatio="0.7" SpeedRatio="1.2" />       </Storyboard>      </BeginStoryboard>      <BeginStoryboard x:Name="P3">       <Storyboard>        <DoubleAnimation Storyboard.TargetName="eg3" Storyboard.TargetProperty="RadiusX" To="5" BeginTime="0:0:1" />        <DoubleAnimation Storyboard.TargetName="eg3" Storyboard.TargetProperty="RadiusY" To="5" BeginTime="0:0:1" />        <PointAnimationUsingPath RepeatBehavior="Forever" Storyboard.TargetName="eg3" Storyboard.TargetProperty="Center" PathGeometry="{DynamicResource EllipesPath}" Duration="0:0:4" BeginTime="0:0:1" AccelerationRatio="0.7" SpeedRatio="1.2"/>       </Storyboard>      </BeginStoryboard>      <BeginStoryboard x:Name="P4">       <Storyboard>        <DoubleAnimation Storyboard.TargetName="eg4" Storyboard.TargetProperty="RadiusX" To="5" BeginTime="0:0:1.5" />        <DoubleAnimation Storyboard.TargetName="eg4" Storyboard.TargetProperty="RadiusY" To="5" BeginTime="0:0:1.5" />        <PointAnimationUsingPath RepeatBehavior="Forever" Storyboard.TargetName="eg4" Storyboard.TargetProperty="Center" PathGeometry="{DynamicResource EllipesPath}" Duration="0:0:4" BeginTime="0:0:1.5" AccelerationRatio="0.7" SpeedRatio="1.2"/>       </Storyboard>      </BeginStoryboard>     </EventTrigger>    </Path.Triggers>   </Path>   <Path Canvas.Top="100" Canvas.Left="100" Stroke="Red" Visibility="Visible" StrokeThickness="1" Data="{DynamicResource EllipesPath}"/>  </Canvas> </Grid>

 

WPF 利用路径动画做一个环形加载动画auction、 modcloth、 如何在Facebook创建广告、 Wish旺季爆单，要把握好这几个重要的点、 关于亚马逊FBA操作细节解析！、 MyMALL、 还在抢双黄连？跨境卖家不如先做好这些返工准备！、 亚马逊物流之FBA全指导、