贪吃蛇 WPF

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Threading;
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;namespace WPFSnake
{/// <summary>/// Interaction logic for MainWindow.xaml/// </summary>public partial class MainWindow : Window{private DispatcherTimer timer;public int bodyCount = 5;public Direction direct = Direction.Right;//public BodyCell[] cells;public List<BodyCell> cells;public Image food;public MainWindow(){InitializeComponent();}private void panel_Loaded(object sender, RoutedEventArgs e){}private void Window_Loaded_1(object sender, RoutedEventArgs e){cells = new List<BodyCell>();for (int i = 0; i < bodyCount; i++){BodyCell cell = new BodyCell();double left = i * 10;double top = panel.Height / 2;Canvas.SetLeft(cell, left);Canvas.SetTop(cell, top);//cell.Margin.Top= panel.Height / 2;
cells.Add(cell);panel.Children.Add(cell);}food = new Image();food.Height = 10;food.Width = 10;BitmapImage pic = new BitmapImage(new Uri("Image/bg.jpg", UriKind.Relative));food.Source = pic;Random rY = new Random();double ftop = rY.Next(0, 30) * 10;Random rX = new Random();double fleft = rX.Next(0, 30) * 10;//food.Margin = new Thickness(fleft, ftop, 0, 0);
            Canvas.SetTop(food, ftop);Canvas.SetLeft(food, fleft);panel.Children.Add(food);timer = new DispatcherTimer();timer.Tick += timer_Tick;timer.Interval = TimeSpan.FromMilliseconds(100);timer.Start();}private void timer_Tick(object sender, EventArgs args){SnakeProcess();if (GameOver()){MessageBox.Show("Game Over.");timer.Stop();}}private void SnakeProcess(){#region  移动#region 版本1for (int i = bodyCount - 1; i >= 0; i--){if (cells[i].direct == Direction.Right){//cells[i].Left += 10;Canvas.SetLeft(cells[i], Canvas.GetLeft(cells[i]) + 10);}else if (cells[i].direct == Direction.Left){//cells[i].Left -= 10;Canvas.SetLeft(cells[i], Canvas.GetLeft(cells[i]) - 10);}else if (cells[i].direct == Direction.Up){//cells[i].Top -= 10;Canvas.SetTop(cells[i], Canvas.GetTop(cells[i]) - 10);}else if (cells[i].direct == Direction.Down){//cells[i].Top += 10;Canvas.SetTop(cells[i], Canvas.GetTop(cells[i]) + 10);}}for (int i = 0; i < bodyCount - 1; i++){cells[i].direct = cells[i + 1].direct;}#endregion#region 版本2//for (int i = bodyCount - 1; i > 0; i--)//{//    cells[i - 1] = cells[i];//}//if (cells[bodyCount - 1].direct == Direction.Right)//{//    cells[bodyCount - 1].Margin.Left += 10;//}//else if (cells[bodyCount - 1].direct == Direction.Left)//{//    cells[bodyCount - 1].Left -= 10;//}//else if (cells[bodyCount - 1].direct == Direction.Up)//{//    cells[bodyCount - 1].Top -= 10;//}//else if (cells[bodyCount - 1].direct == Direction.Down)//{//    cells[bodyCount - 1].Top += 10;//}#endregion#endregion#region 吃食物EatFood();#endregion}private bool GameOver(){bool isOver = false;//撞墙double top = Canvas.GetTop(cells[bodyCount - 1]);double left = Canvas.GetLeft(cells[bodyCount - 1]);if (top == 0 && cells[bodyCount - 1].direct == Direction.Up){isOver = true;}if (top == 300 && cells[bodyCount - 1].direct == Direction.Down){isOver = true;}if (left == 0 && cells[bodyCount - 1].direct == Direction.Left){isOver = true;}if (left == 300 && cells[bodyCount - 1].direct == Direction.Right){isOver = true;}//撞自己for (int i = bodyCount - 2; i >= 0; i--){if (Canvas.GetTop(cells[i]) == Canvas.GetTop(cells[bodyCount - 1]) && Canvas.GetLeft(cells[i]) == Canvas.GetLeft(cells[bodyCount - 1])){isOver = true;break;}}return isOver;}private void EatFood(){BodyCell head = cells[bodyCount - 1];if (Canvas.GetTop(cells[bodyCount - 1]) == Canvas.GetTop(food) && Canvas.GetLeft(cells[bodyCount - 1]) == Canvas.GetLeft(food)){BodyCell cell = new BodyCell();panel.Children.Add(cell);cell.direct = head.direct;if (head.direct == Direction.Up){//cell.Top = head.Top - 10;//cell.Left = head.Left;Canvas.SetTop(cell, Canvas.GetTop(head) - 10);Canvas.SetLeft(cell, Canvas.GetLeft(head));}else if (head.direct == Direction.Down){//cell.Top = head.Top + 10;//cell.Left = head.Left;Canvas.SetTop(cell, Canvas.GetTop(head) + 10);Canvas.SetLeft(cell, Canvas.GetLeft(head));}else if (head.direct == Direction.Left){//cell.Top = head.Top;//cell.Left = head.Left - 10;
                    Canvas.SetTop(cell, Canvas.GetTop(head));Canvas.SetLeft(cell, Canvas.GetLeft(head) - 10);}else if (head.direct == Direction.Right){//cell.Top = head.Top;//cell.Left = head.Left + 10;
                    Canvas.SetTop(cell, Canvas.GetTop(head));Canvas.SetLeft(cell, Canvas.GetLeft(head) + 10);}cells.Add(cell);bodyCount++;//lbl_Score.Text = (bodyCount - 5).ToString();
panel.Children.Remove(food);Random rY = new Random();//food.Top = rY.Next(0, 30) * 10;Canvas.SetTop(food, rY.Next(0, 30) * 10);Random rX = new Random();//food.Left = rX.Next(0, 30) * 10;Canvas.SetLeft(food, rX.Next(0, 30) * 10);panel.Children.Add(food);}}private void Window_KeyDown_1(object sender, KeyEventArgs e){if (e.Key == Key.Up && cells[bodyCount - 1].direct != Direction.Down){//direct = Direction.Up;cells[bodyCount - 1].direct = Direction.Up;}else if (e.Key == Key.Left && cells[bodyCount - 1].direct != Direction.Right){//direct = Direction.Left;cells[bodyCount - 1].direct = Direction.Left;}else if (e.Key == Key.Down && cells[bodyCount - 1].direct != Direction.Up){//direct = Direction.Down;cells[bodyCount - 1].direct = Direction.Down;}else if (e.Key == Key.Right && cells[bodyCount - 1].direct != Direction.Left){//direct = Direction.Right;cells[bodyCount - 1].direct = Direction.Right;}if (e.Key == Key.Space){if (timer.IsEnabled){timer.Stop();}else{timer.Start();}}}}public class BodyCell : Image{public Direction direct{ get; set; }public BodyCell(): base(){this.Width = 10;this.Height = 10;direct = Direction.Right;BitmapImage pic = new BitmapImage(new Uri("Image/bg.jpg", UriKind.Relative));this.Source = pic;}}public enum Direction{Up,Down,Left,Right}
}