小编Aur*_*o91的帖子

我尝试在UWP应用程序中编写Android效果(涟漪).所以我在网格中创建了一个EllipseGeometry(在我的usercontrol中),但是当我的ellipseGeometry的RadiusX和RadiusY播放他们的动画时,我的EllipseGeometry从我的网格中生长出来...我试图用可见区域限制路径并将其剪辑到路径,但没有成功.

这是我的XAML代码:

<UserControl
x:Class="UIComponents.POIButton"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:UIComponents"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
d:DesignHeight="100"
d:DesignWidth="650" Background="White">
<Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="Gray">
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="100"/>
        <ColumnDefinition Width="*"/>
        <ColumnDefinition Width="100"/>
    </Grid.ColumnDefinitions>
    <!--Animation Ellipse-->
    <Grid x:Name="ellipseContainer" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Grid.Column="0" Grid.ColumnSpan="3">
        <Path x:Name="path" Fill="Red" Stroke="Black" StrokeThickness="1" HorizontalAlignment="Center" VerticalAlignment="Center" RenderTransformOrigin="0.5,0.5">
            <Path.Data>
                <EllipseGeometry x:Name="circleGeometry" Center="0,0" RadiusX="5" RadiusY="5" />
            </Path.Data>
        </Path>
    </Grid>
    <Rectangle x:Name="clickableRect" Grid.Column="0" Grid.ColumnSpan="3" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"  PointerPressed="clickableRect_PointerPressed"  Fill="Transparent" Tapped="clickableRect_Tapped"/>
</Grid>
<UserControl.Resources>
    <Storyboard x:Name="RipplePath">
        <DoubleAnimationUsingKeyFrames EnableDependentAnimation="True" Storyboard.TargetProperty="RadiusX" Storyboard.TargetName="circleGeometry">
            <EasingDoubleKeyFrame KeyTime="0" Value="5"/>
            <EasingDoubleKeyFrame KeyTime="0:0:10" Value="200"/>
        </DoubleAnimationUsingKeyFrames>
        <DoubleAnimationUsingKeyFrames EnableDependentAnimation="True" Storyboard.TargetProperty="RadiusY" Storyboard.TargetName="circleGeometry">
            <EasingDoubleKeyFrame …