Question

所以我拥有的是带有各种图像的画布。我需要的是在foreach循环中为一个这样的图像触发动画。问题是程序只运行循环的最后一个动画。有没有办法在动画仍然运行时使foreach循环暂停，或者至少阻止foreach进入下一个循环直到它结束。我最好更喜欢用代码而不是xaml来做。这是我的画布xmal代码 -

    <Canvas Name="AnimationCanvas" HorizontalAlignment="Left" VerticalAlignment="Top" Height="154" Width="292">
        <Image x:Name="img_ShipAttack" Panel.ZIndex="100" Height="91" Canvas.Left="25" Canvas.Top="28" Width="93" RenderTransformOrigin="0,0"/>
        <Image x:Name="img_ShipTarget"  Canvas.Top="28" Panel.ZIndex="100" RenderTransformOrigin="0.5,0.5" Width="93" Canvas.Left="173" Height="93"/>
        <Image x:Name="img_AttackBack" Height="472" Width="651" Panel.ZIndex="0" Canvas.Top="-82" Canvas.Left="-81"/>
        <Image x:Name="img_Pojectile" Panel.ZIndex="90" Height="153" Canvas.Left="-7" Canvas.Top="-3" Width="157" RenderTransformOrigin="0,0"/>
    </Canvas>

这是我的动画方法 -

    public void Fire(Image target, double seconds)
    {
        var top = Canvas.GetTop(target);
        var left = Canvas.GetLeft(target);
        TranslateTransform trans = new TranslateTransform();
        target.RenderTransform = trans;
        DoubleAnimation anim = new DoubleAnimation(0, 140, TimeSpan.FromSeconds(seconds));

        anim.Completed += new EventHandler(CompletedAnimate);
        trans.BeginAnimation(TranslateTransform.XProperty, anim);
    }

最后，麻烦的循环 -

foreach(var weapon in weapons)
{
              try
                {
                    string weapons = "\\" + weapon.Name + ".png";
                    img_Pojectile.Source = new BitmapImage(new Uri(Directory.GetCurrentDirectory() + "\\Images" + weapons));
                }
                catch
                {
                    try
                    {
                        string weapons = "\\" + weapon.Type + ".png";
                        img_Pojectile.Source = new BitmapImage(new Uri(Directory.GetCurrentDirectory() + "\\Images" + weapons));
                    }
                    catch
                    {
                        img_Pojectile.Source = new BitmapImage(new Uri(Directory.GetCurrentDirectory() + "\\Images\\Default.png"));
                    }
                }

                Fire(img_Pojectile, 1.5);
}

正如您可能看到的那样，我在动画中有一个已完成的事件处理程序，问题是它无论如何都不会跳过。我的CompletedAnimation方法暂时将bool设置为true。

使程序在foreach循环中等待动画

0 个答案: