• 贪吃蛇大作战单人版完整代码以及详细解释

    贪吃蛇总结：

    1. 创建WPF应用程序

    2. 添加Canvas标签。Name=back；

    3. 添加loaded事件

    4. 在loaded事件中创建蛇（设置蛇的位置，大小，颜色）

      this.Left = 0;

                this.Top = 0;

                this.Width  = 800;

                this.Height = 600;

                for (int i = 0; i < 5; i++)

                {

                    bd = new Border();

                    bd.Width = bd.Height = 10;

                    bd.CornerRadius = new CornerRadius(5);

                    if (i == 0)

                        bd.Background = Brushes.Red;

                    else

                        bd.Background = Brushes.Black;

                    Canvas.SetTop(bd,200+i*bd.Height);

                    Canvas.SetLeft(bd,200);

                    back.Children.Add(bd);

                    snake.Add(bd);

    5. 添加一个timer，（问题：添加timer和winform程序中不一样

    Winform 程序中直接添加。

    WPF应用程序中不能直接添加，需要引入命名空间：

    Using System.Thearing

    ）

    DispatcherTimer tm1 = new DispatcherTimer();

                tm1.Interval =TimeSpan.FromMilliseconds(200);

                tm1.Tick += Tm1_Tick;

                tm1.Start();

                this.KeyDown += MainWindow_KeyDown;

    6. 添加键盘事件，读取键盘敲下的字符

     if (e.Key==Key.Up&&str!="d" )

                {

                    str = "up";

                }

                if (e.Key==Key.Down&&str!="up")

                {

                    str = "d";

    [csharp] view plain copy
     
     print?
    1.   

                {

                    str = "l";

                }

                if (e.Key == Key.Right&&str!="l")

                {

                    str = "r";

                }

    7.在timer事件中实现蛇的移动（问题：在实现向左移动时出现错误

    解决：添加一个集合，来存储蛇的位置信息，与此同时添加一个border储存位置信息border）

            //创建蛇的位置集合

            List<Border> snakeback =new List<Border>();

     //创建蛇的位置border

                    Border bdback = new Border();

                    bdback.Height = bdback.Width = 10;

                    Canvas.SetTop(bdback, 200 + i * bd.Height);

                    Canvas.SetLeft(bdback, 200);

                    snakeback.Add(bdback);

    if (str == "up")

                {

                    Canvas.SetTop(snake[0],Canvas.GetTop(snake[0]) - snake[0].Height);

                    run();

                }

                if (str=="d")

                {

                    Canvas.SetTop(snake[0],Canvas.GetTop(snake[0])+ snake[0].Height);

                    run();

                }

                if (str == "l")

                {

                    Canvas.SetLeft(snake[0],Canvas.GetLeft(snake[0]) - snake[0].Height);

                    run();

                }

                if (str == "r")

                {

                    Canvas.SetLeft(snake[0],Canvas.GetLeft(snake[0]) + snake[0].Height);

                    run();

                }

    private void run()

            {

                for (int i = 1; i < snake.Count; i++)

                {

                    Canvas.SetTop(snake[i],Canvas.GetTop(snakeback[i - 1]));

                    Canvas.SetLeft(snake[i],Canvas.GetLeft(snakeback[i - 1]));

                }

                for (int i = 0; i < snake.Count; i++)

                {

                    Canvas.SetTop(snakeback[i],Canvas.GetTop(snake[i]));

                    Canvas.SetLeft(snakeback[i],Canvas.GetLeft(snake[i]));

                }

            }

    8. 判断与食物相撞时，食物改变位置

     if (Canvas.GetTop(snake[0])==Canvas.GetTop(food)&&Canvas.GetLeft(snake[0])==Canvas.GetLeft(food))

                {

                    Canvas.SetTop(food, ra.Next(60) * 10);

                    Canvas.SetLeft(food, ra.Next(80) * 10);

    }

    9. 在与食物相撞时添加一节蛇尾

    10. 添加一个border来作为蛇尾，添加到snake集合中

    11. 添加一个border存储所增加的蛇尾的位置信息

    if (Canvas.GetTop(snake[0])==Canvas.GetTop(food)&&Canvas.GetLeft(snake[0])==Canvas.GetLeft(food))

                {

                    Canvas.SetTop(food, ra.Next(60) * 10);

                    Canvas.SetLeft(food, ra.Next(80) * 10);

                    //定义一个增加的蛇尾的border

                    Border bdfood = new Border();

                    bdfood.Height = bdfood.Width = 10;

                    bdfood.CornerRadius = new CornerRadius(5);

                    bdfood.Background = Brushes.Azure;

                    Canvas.SetTop(bdfood,Canvas.GetTop(snake[snake.Count-1]));

                    Canvas.SetLeft(bdfood,Canvas.GetLeft(snake[snake.Count - 1]));

                    back.Children.Add(bdfood);

                    snake.Add(bdfood);

                    //定义一个border存储增加的的集合

                    Border br = new Border();

                    br.Height = br.Width = 10;

                    Canvas.SetTop(br, Canvas.GetTop(snakeback[snakeback.Count - 1]));

                    Canvas.SetLeft(br, Canvas.GetLeft(snakeback[snakeback.Count - 1]));

                    snakeback.Add(br);

                }

    12.判断蛇与面板四周相撞或者蛇撞到自己，游戏结束。

     for (int i = 1; i < snake.Count; i++)

                {

                    if (Canvas.GetTop(snake[0]) ==Canvas.GetTop(snake[i]) && Canvas.GetLeft(snake[0]) == Canvas.GetLeft(snake[i]))

                    {

                        tm1.Stop();

                        MessageBox.Show("GAME  OVER!");

                    }

                }

                if (Canvas.GetTop(snake[0]) == 0 ||Canvas.GetTop(snake[0]) == 560 || Canvas.GetLeft(snake[0]) == 0 || Canvas.GetLeft(snake[0]) == 790)

                {

                    tm1.Stop();

                    MessageBox.Show("GAME  OVER!");

                }

    完整版代码：

    [csharp] view plain copy
     
     print?
    1. using System;  
    2. using System.Collections.Generic;  
    3. using System.Windows;  
    4. using System.Windows.Controls;  
    5. using System.Windows.Input;  
    6. using System.Windows.Media;  
    7. using System.Windows.Threading;  
    8.   
    9. namespace 贪吃蛇1._0  
    10. {  
    11.     /// <summary>  
    12.     /// MainWindow.xaml 的交互逻辑  
    13.     /// </summary>  
    14.     public partial class MainWindow : Window  
    15.     {  
    16.         public MainWindow()  
    17.         {  
    18.             InitializeComponent();  
    19.             this.Background = Brushes.Pink;  
    20.         }  
    21.         string str = "";  
    22.         Border bd;  
    23.         DispatcherTimer tm1;  
    24.         Border food;  
    25.         List<Border> snake = new List<Border>();  
    26.         //创建蛇的位置集合  
    27.         List<Border> snakeback = new List<Border>();  
    28.         List<Border> foodback = new List<Border>();  
    29.         Random ra = new Random();  
    30.         private void Window_Loaded(object sender, RoutedEventArgs e)  
    31.         {  
    32.             this.Left = 0;  
    33.             this.Top = 0;  
    34.             this.Width = 800;  
    35.             this.Height = 600;  
    36.             for (int i = 0; i < 5; i++)  
    37.             {  
    38.                 bd = new Border();  
    39.                 bd.Width = bd.Height = 10;  
    40.                 bd.CornerRadius = new CornerRadius(5);  
    41.                 if (i == 0)  
    42.                     bd.Background = Brushes.Red;  
    43.                 else  
    44.                     bd.Background = Brushes.Black;  
    45.                 Canvas.SetTop(bd, 200 + i * bd.Height);  
    46.                 Canvas.SetLeft(bd, 200);  
    47.                 back.Children.Add(bd);  
    48.                 snake.Add(bd);  
    49.   
    50.                 //创建蛇的位置border  
    51.                 Border bdback = new Border();  
    52.                 bdback.Height = bdback.Width = 10;  
    53.                 Canvas.SetTop(bdback, 200 + i * bd.Height);  
    54.                 Canvas.SetLeft(bdback, 200);  
    55.                 snakeback.Add(bdback);  
    56.             }  
    57.   
    58.             tm1 = new DispatcherTimer();  
    59.             tm1.Interval = TimeSpan.FromMilliseconds(200);  
    60.             tm1.Tick += Tm1_Tick;  
    61.             tm1.Start();  
    62.             this.KeyDown += MainWindow_KeyDown;  
    63.             for (int i = 0; i < 30; i++)  
    64.             {  
    65.                 //创建食物  
    66.                 food = new Border();  
    67.                 food.Height = food.Width = 10;  
    68.                 food.CornerRadius = new CornerRadius(5);  
    69.                 Canvas.SetTop(food, ra.Next(60) * 10);  
    70.                 Canvas.SetLeft(food, ra.Next(80) * 10);  
    71.                 food.Background = Brushes.Orange;  
    72.                 back.Children.Add(food);  
    73.                 foodback.Add(food);  
    74.             }  
    75.         }  
    76.   
    77.         private void MainWindow_KeyDown(object sender, KeyEventArgs e)  
    78.         {  
    79.             if (e.Key == Key.Up && str != "d")  
    80.             {  
    81.                 str = "up";  
    82.             }  
    83.             if (e.Key == Key.Down && str != "up")  
    84.             {  
    85.                 str = "d";  
    86.             }  
    87.             if (e.Key == Key.Left && str != "r")  
    88.             {  
    89.                 str = "l";  
    90.             }  
    91.             if (e.Key == Key.Right && str != "l")  
    92.             {  
    93.                 str = "r";  
    94.             }  
    95.         }  
    96.   
    97.         private void Tm1_Tick(object sender, EventArgs e)  
    98.         {  
    99.             if (str == "up")  
    100.             {  
    101.                 Canvas.SetTop(snake[0], Canvas.GetTop(snake[0]) - snake[0].Height);  
    102.                 run();  
    103.             }  
    104.             if (str == "d")  
    105.             {  
    106.                 Canvas.SetTop(snake[0], Canvas.GetTop(snake[0]) + snake[0].Height);  
    107.                 run();  
    108.             }  
    109.             if (str == "l")  
    110.             {  
    111.                 Canvas.SetLeft(snake[0], Canvas.GetLeft(snake[0]) - snake[0].Height);  
    112.                 run();  
    113.             }  
    114.             if (str == "r")  
    115.             {  
    116.                 Canvas.SetLeft(snake[0], Canvas.GetLeft(snake[0]) + snake[0].Height);  
    117.                 run();  
    118.             }  
    119.             for (int i = 0; i < 30; i++)  
    120.             {  
    121.                 if (Canvas.GetTop(snake[0]) == Canvas.GetTop(foodback[i]) && Canvas.GetLeft(snake[0]) == Canvas.GetLeft(foodback[i]))  
    122.                 {  
    123.                     Canvas.SetTop(foodback[i], ra.Next(60) * 10);  
    124.                     Canvas.SetLeft(foodback[i], ra.Next(80) * 10);  
    125.                     //定义一个增加的蛇尾的border  
    126.                     Border bdfood = new Border();  
    127.                     bdfood.Height = bdfood.Width = 10;  
    128.                     bdfood.CornerRadius = new CornerRadius(5);  
    129.                     bdfood.Background = Brushes.Black;  
    130.                     Canvas.SetTop(bdfood, Canvas.GetTop(snake[snake.Count - 1]));  
    131.                     Canvas.SetLeft(bdfood, Canvas.GetLeft(snake[snake.Count - 1]));  
    132.                     back.Children.Add(bdfood);  
    133.                     snake.Add(bdfood);  
    134.   
    135.                     //定义一个border存储增加的的集合  
    136.                     Border br = new Border();  
    137.                     br.Height = br.Width = 10;  
    138.                     Canvas.SetTop(br, Canvas.GetTop(snakeback[snakeback.Count - 1]));  
    139.                     Canvas.SetLeft(br, Canvas.GetLeft(snakeback[snakeback.Count - 1]));  
    140.                     snakeback.Add(br);  
    141.                 }  
    142.             }  
    143.             for (int i = 1; i < snake.Count; i++)  
    144.             {  
    145.                 if (Canvas.GetTop(snake[0]) == Canvas.GetTop(snake[i]) && Canvas.GetLeft(snake[0]) == Canvas.GetLeft(snake[i]))  
    146.                 {  
    147.                     tm1.Stop();  
    148.                     MessageBox.Show("GAME  OVER!");  
    149.                 }  
    150.             }  
    151.             if (Canvas.GetTop(snake[0]) == 0 || Canvas.GetTop(snake[0]) == 560 || Canvas.GetLeft(snake[0]) == 0 || Canvas.GetLeft(snake[0]) == 790)  
    152.             {  
    153.                 tm1.Stop();  
    154.                 MessageBox.Show("GAME  OVER!");  
    155.             }  
    156.         }  
    157.   
    158.         private void run()  
    159.         {  
    160.             for (int i = 1; i < snake.Count; i++)  
    161.             {  
    162.                 Canvas.SetTop(snake[i], Canvas.GetTop(snakeback[i - 1]));  
    163.                 Canvas.SetLeft(snake[i], Canvas.GetLeft(snakeback[i - 1]));  
    164.             }  
    165.             for (int i = 0; i < snake.Count; i++)  
    166.             {  
    167.                 Canvas.SetTop(snakeback[i], Canvas.GetTop(snake[i]));  
    168.                 Canvas.SetLeft(snakeback[i], Canvas.GetLeft(snake[i]));  
    169.             }  
    170.         }  
    171.     }  
    172. }  
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  • 原文地址：https://www.cnblogs.com/wjrelax/p/8035054.html
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