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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Media.Animation;
namespace mainpage
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
Random random = new Random();
public MainWindow()
{
InitializeComponent();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Addenemy();
}
private void Addenemy()
{
ContentControl enemy = new ContentControl();
enemy.Template = Resources["EnemyTemplate"] as ControlTemplate;
AnimateEnemy(enemy, 0, playArea.ActualWidth -100, "(Canvas.Left)");
AnimateEnemy(enemy, random.Next((int)playArea.ActualHeight - 100), random.Next((int)playArea.ActualHeight - 100), "(Canvas.Top)");
playArea.Children.Add(enemy);
}
private void AnimateEnemy(ContentControl enemy, double from, double to, string propertyToAnimate)
{
Storyboard storyboard = new Storyboard() { AutoReverse = true, RepeatBehavior = RepeatBehavior.Forever };
DoubleAnimation animation = new DoubleAnimation()
{
From = from,
To = to,
Duration = new Duration(TimeSpan.FromSeconds(random.Next(4, 6)))
};
Storyboard.SetTarget(animation, enemy);
Storyboard.SetTargetProperty(animation,new Propertypath(propertyToAnimate));
storyboard.Children.Add(animation);
storyboard.Begin();
}
}
}