Question

我正在构建一个看起来像RoboZZle的应用程序，但我遇到了一个问题:(答案中的编程语言并不重要：C＃或VB.NET）我在后面的代码中有三个动画，如下所示：

Private Sub btngo_Click(sender As Object, e As RoutedEventArgs) Handles btngo.Click
        go_stright()
        go_stright()
        go_stright()
        go_stright()
End Sub
Private Sub go_stright()
        Dim da As New DoubleAnimation()
        Dim tt As New TranslateTransform()
        da.From = offsety
        offsety -= 50
        da.To = offsety
        da.Duration = New Duration(TimeSpan.FromSeconds(1))
        tt.BeginAnimation(TranslateTransform.YProperty, da)
End Sub

这是问题：当我点击“btngo”按钮时，最后一个动画（第4个go_stright）有动画效果。我需要等到一个动画完成后再开始下一个动画我怎么能这样做？
注意：在roboZZle中，具有算法的用户将精灵移动到目标，并且没有预先定义精灵移动。
我是WPF的新手。
更新：我没有故事板。
更新2 ：我的XAML：

<Page x:Class="Level1"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      mc:Ignorable="d" 
      d:DesignHeight="300" d:DesignWidth="300"
      Title="Level1" Width="794" Height="535" Loaded="Page_Loaded_1">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="735*"/>
            <ColumnDefinition Width="69*"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition Height="65"/>
        </Grid.RowDefinitions>
        <Button x:Name="m1" Content="" HorizontalAlignment="Left" Grid.Row="1" VerticalAlignment="Top" Width="54" Height="54" Margin="10,0,0,0">
            <Button.Background>
                <SolidColorBrush Color="White"/>
            </Button.Background>
        </Button>
        <Button x:Name="m2" Content="" HorizontalAlignment="Left" Grid.Row="1" VerticalAlignment="Top" Width="54" Height="54" Margin="69,1,0,0">
            <Button.Background>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.ControlLightLightColorKey}}"/>
            </Button.Background>
        </Button>
        <Button x:Name="m3" Content="" HorizontalAlignment="Left" Grid.Row="1" VerticalAlignment="Top" Width="54" Height="54" Margin="128,1,0,0">
            <Button.Background>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.ControlLightLightColorKey}}"/>
            </Button.Background>
        </Button>
        <Button x:Name="m4" Content="" HorizontalAlignment="Left" Grid.Row="1" VerticalAlignment="Top" Width="54" Height="54" Margin="187,1,0,0">
            <Button.Background>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.ControlLightLightColorKey}}"/>
            </Button.Background>
        </Button>
        <Button x:Name="m5" Content="" HorizontalAlignment="Left" Grid.Row="1" VerticalAlignment="Top" Width="54" Height="54" Margin="246,0,0,0">
            <Button.Background>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.ControlLightLightColorKey}}"/>
            </Button.Background>
        </Button>
        <Button x:Name="m6" Content="" HorizontalAlignment="Left" Grid.Row="1" VerticalAlignment="Top" Width="54" Height="54" Margin="305,0,0,0">
            <Button.Background>
                <SolidColorBrush Color="White"/>
            </Button.Background>
        </Button>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="215,100,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="215,149,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="215,199,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="215,249,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="215,299,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="264,299,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="314,299,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="364,299,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="413,299,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="413,100,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="413,149,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="413,199,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="413,249,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="264,100,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="314,100,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Rectangle HorizontalAlignment="Left" Height="50" Margin="364,100,0,0" VerticalAlignment="Top" Width="50">
            <Rectangle.Stroke>
                <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}"/>
            </Rectangle.Stroke>
            <Rectangle.Fill>
                <ImageBrush ImageSource="Images/l1khoone.png" Stretch="None"/>
            </Rectangle.Fill>
        </Rectangle>
        <Ellipse x:Name="g1" HorizontalAlignment="Left" Height="25" Margin="228,313,0,0" VerticalAlignment="Top" Width="25">
            <Ellipse.Fill>
                <RadialGradientBrush>
                    <GradientStop Color="#FF005DFF" Offset="0"/>
                    <GradientStop Color="Red" Offset="1"/>
                </RadialGradientBrush>
            </Ellipse.Fill>
        </Ellipse>
        <Button Content="" x:Name="btnup" HorizontalAlignment="Center" Width="54" Height="54" FlowDirection="RightToLeft" Margin="721,48,19,0" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" VerticalAlignment="Top" Grid.ColumnSpan="2">
            <Button.Foreground>
                <ImageBrush ImageSource="Images/up.jpg" Stretch="None">
                    <ImageBrush.RelativeTransform>
                        <TransformGroup>
                            <ScaleTransform CenterY="0.5" CenterX="0.5"/>
                            <SkewTransform CenterY="0.5" CenterX="0.5"/>
                            <RotateTransform CenterY="0.5" CenterX="0.5"/>
                            <TranslateTransform/>
                        </TransformGroup>
                    </ImageBrush.RelativeTransform>
                </ImageBrush>
            </Button.Foreground>
            <Button.Background>
                <ImageBrush ImageSource="Images/up.jpg"/>
            </Button.Background>

        </Button>
        <Button Content="" x:Name="btnleft" HorizontalAlignment="Center" Width="54" Height="54" Margin="721,107,19,0" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" VerticalAlignment="Top" Grid.ColumnSpan="2">
            <Button.Foreground>
                <ImageBrush ImageSource="Images/up.jpg" Stretch="None"/>
            </Button.Foreground>
            <Button.Background>
                <ImageBrush ImageSource="Images/left.jpg"/>
            </Button.Background>

        </Button>
        <Button Content="" x:Name="btnright" HorizontalAlignment="Center" Width="54" Height="54" Margin="721,166,19,0" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" VerticalAlignment="Top" Grid.ColumnSpan="2">
            <Button.Foreground>
                <ImageBrush ImageSource="Images/up.jpg" Stretch="None"/>
            </Button.Foreground>
            <Button.Background>
                <ImageBrush ImageSource="Images/Right.jpg"/>
            </Button.Background>

        </Button>
        <Button Content="" x:Name="btnf1" HorizontalAlignment="Center" Width="54" Height="54" Margin="721,225,19,0" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" VerticalAlignment="Top" Grid.ColumnSpan="2">
            <Button.Foreground>
                <ImageBrush ImageSource="Images/up.jpg" Stretch="None"/>
            </Button.Foreground>
            <Button.Background>
                <ImageBrush ImageSource="Images/F1.jpg"/>
            </Button.Background>

        </Button>
        <Button Content="" x:Name="btnf2" HorizontalAlignment="Center" Width="54" Height="54" Margin="721,284,19,0" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" VerticalAlignment="Top" Grid.ColumnSpan="2" IsEnabled="False">
            <Button.Foreground>
                <ImageBrush ImageSource="Images/up.jpg" Stretch="None"/>
            </Button.Foreground>
            <Button.Background>
                <ImageBrush ImageSource="Images/F2.jpg"/>
            </Button.Background>

        </Button>
        <Button Content="GO!" x:Name="btngo" HorizontalAlignment="Center" Width="54" Height="54" Margin="721,343,19,0" Background="Red" Foreground="White" FontFamily="Meiryo" FontSize="19" FontWeight="Bold" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" VerticalAlignment="Top" Grid.ColumnSpan="2"/>
        <Button Content="Reset" x:Name="btnreset" HorizontalAlignment="Center" Width="54" Height="54" Margin="721,402,19,0" Foreground="White" FontFamily="Meiryo" FontSize="16" FontWeight="Bold" Background="Cyan" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" VerticalAlignment="Top" Grid.ColumnSpan="2"/>
        <Ellipse x:Name="g2" HorizontalAlignment="Left" Height="25" Margin="427,313,0,0" VerticalAlignment="Top" Width="25">
            <Ellipse.Fill>
                <RadialGradientBrush>
                    <GradientStop Color="#FF005DFF" Offset="0"/>
                    <GradientStop Color="Red" Offset="1"/>
                </RadialGradientBrush>
            </Ellipse.Fill>
        </Ellipse>
        <Ellipse x:Name="g3" HorizontalAlignment="Left" Height="25" Margin="427,112,0,0" VerticalAlignment="Top" Width="25">
            <Ellipse.Fill>
                <RadialGradientBrush>
                    <GradientStop Color="#FF005DFF" Offset="0"/>
                    <GradientStop Color="Red" Offset="1"/>
                </RadialGradientBrush>
            </Ellipse.Fill>
        </Ellipse>
        <Image x:Name="sprite" Margin="215,100,461,320" Source="Images/downsprite.png" RenderTransformOrigin="0.5,0.5">
            <Image.RenderTransform>
                <TransformGroup>
                    <ScaleTransform/>
                    <SkewTransform/>
                    <RotateTransform/>
                    <TranslateTransform/>
                </TransformGroup>
            </Image.RenderTransform>
        </Image>
    </Grid>
</Page>

Answer 1

您可以在动画中添加已完成的事件，在该动画中，您将检查您必须制作的步数，如果您还没有，则执行这些步骤：

Private Sub btngo_Click(sender As Object, e As RoutedEventArgs) Handles btnGo.Click
    PerformNextAction(actions(0))
End Sub

Private Sub go_stright()
    Dim da As New DoubleAnimation(offsety, offsety - 50, New Duration(TimeSpan.FromSeconds(1)))
    offsety -= 50
    Dim tt As New TranslateTransform()
    AddHandler da.Completed, AddressOf AnimationCompleted
    tt.BeginAnimation(TranslateTransform.YProperty, da)
End Sub

Private Sub AnimationCompleted(sender As Object, e As EventArgs)
    If actionCounter < 4 Then
        actionCounter += 1
        PerformNextAction(actions(actionCounter))
    End If
End Sub

Private Sub PerformNextAction(ByVal action As Action)
    Select Case action
        Case MainWindow.Action.GoStraight
            go_stright()
        Case MainWindow.Action.RotateLeft
            rotate_left()
        Case MainWindow.Action.RotateRight
            rotate_right()
    End Select
End Sub

也不要忘记这个：

Private goStraightCounter As Integer

这个将跟踪您的进度（您需要多少次调用该方法）。

修改要回答你的评论，你可以这样做一个枚举：

Public Enum Action GoStraight RotateRight RotateLeft End Enum

在您链接的应用程序中，用户必须列出操作列表，因此您可以将该列表设为操作列表（请参阅枚举）。然后，您只需查看操作列表中的下一个条目，然后调用该操作的方法，而不是调用“go_stright”。

编辑2： 要更深入地了解行动，请列出一系列行动：

Public actions As ObservableCollection(Of Action)

因此，如果用户有5个他选择的动作，您的列表中就会有5个动作。因此列表可能如下所示：GoStraight，RotateLeft，GoStraight，RotateLeft，GoStraight。在animationcompleted事件中，您可以实现一个选择案例来检查您必须调用哪个方法（参见上面的更新代码），而不是只调用go_straight。我猜对了你的左右方法是如何被调用的，所以你可能不得不改变这些名字。

Answer 2

在C＃中为已完成的事件注册一个新的EventHandler：

        public MainWindow()
        {
            InitializeComponent();

            System.Windows.Media.Animation.DoubleAnimation ani = new System.Windows.Media.Animation.DoubleAnimation();
            ani.Completed += new EventHandler(ani_Completed);
        }

        void ani_Completed(object sender, EventArgs e)
        {
            throw new NotImplementedException();
        }

Answer 3

我遇到了同样的问题。连接一个已完成的事件和一个属性，然后使用一个方法在返回之前清除调度程序线程。

// at the end of animation routine
progressTransition.Completed += new EventHandler(progressFlyOut_Completed);
progressTransition.Begin(ControlElement);
// allow animation to complete
WaitForCompletion(seconds * 2);

// completion event
private static void progressFlyOut_Completed(object sender, EventArgs e)
{
    AnimationCompleted = true;
}

    // wait routine
    private static void WaitForCompletion(double TimeOut)
    {
        System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
        stopwatch.Start();

        while (AnimationCompleted == false)
        {
            if (stopwatch.Elapsed.TotalSeconds > TimeOut)
                break;
            Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle, new Action(() => { })).Wait();
        }
        AnimationCompleted = false;
    }

等到WPF动画后面的代码完成

3 个答案: