我必须实现一个道路交汇处简单程序。路口的图像被设置为WPF网格的背景属性,并且我在队列中有ArrayLists来表示每辆车,起源街道和目的地街道的颜色。
现在,我需要将汽车制成动画椭圆形,并且我需要每辆汽车在私密车离开屏幕后开始动作。
我正在使用下面的代码,但它只动画第一辆车。
解决方案是什么?因此使用wpf动画椭圆
private void button1_Click(object sender, RoutedEventArgs e)
{
for (int i = 0; i < queue.Count; i++)
{
ArrayList car = (ArrayList)queue[i];
int id = Convert.ToInt32(car[0]);
int color = Convert.ToInt32(car[1]);
int from= Convert.ToInt32(car[2]);
int to = Convert.ToInt32(car[3]);
Ellipse myEllipse = new Ellipse();
if (color == 0)
{
myEllipse.Stroke = System.Windows.Media.Brushes.Green;
myEllipse.Fill = System.Windows.Media.Brushes.Green;
}
else {
myEllipse.Stroke = System.Windows.Media.Brushes.Blue;
myEllipse.Fill = System.Windows.Media.Brushes.Blue;
}
myEllipse.HorizontalAlignment = HorizontalAlignment.Left;
myEllipse.VerticalAlignment = VerticalAlignment.Center;
myEllipse.Width = 45;
myEllipse.Height = 45;
myGrid.Children.Add(myEllipse);
DoubleAnimation da = new DoubleAnimation();
da.From = from;
da.To = to;
da.Duration = new Duration(TimeSpan.FromSeconds(1));
TranslateTransform tt = new TranslateTransform();
myEllipse.RenderTransform = tt;
tt.BeginAnimation(TranslateTransform.XProperty, da);
}
}
您使用的是.NET 3.0中引入的WPF,以及ArrayLists,它们自.NET 2.0推出以来已经过时了吗? –