基于C# WPF框架的贪吃蛇

时间 2019-12-22

标签基于 c# wpf 框架贪吃栏目 C# 繁體版

原文原文链接

游戏开始界面

游戏开始

共有两条蛇，吃到红色食物加1分，吃到绿色毒食物减1分，知道0不减；
碰到墙壁游戏结束，碰到对方游戏结束，碰到本身游戏结束
html

此游戏经过Canvas画布布局，经过C#代码实现express

游戏主界面大小为1200*1000

<Window x:Class="贪吃蛇__.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:贪吃蛇__"
        mc:Ignorable="d"
        Title="贪吃蛇" Loaded="Window_Loaded" Height="700" Width="900">
    <Canvas Name="BG" Width = "1200" Height = "1000"></Canvas>
</Window>

全局声明：

Random ran = new Random();// 随机对象
        int size = 20; // 边框距离BG距离,格子数
        Canvas gameArea = new Canvas(); // 游戏区对象
        Border food = new Border(); //食物对象
        Border dufood = new Border(); // 毒食物对象
        List<Border> snakeList1 = new List<Border>(); // 存储蛇1的泛型
        List<Border> snakeList2 = new List<Border>(); // 存储蛇2的泛型
        DispatcherTimer moveTimer1 = new DispatcherTimer(); // 蛇1移动定时器
        DispatcherTimer moveTimer2 = new DispatcherTimer(); // 蛇2移动定时器
        SoundPlayer EatFm = new SoundPlayer(@"../../music/EatFood.wav"); // 吃食物音乐
        SoundPlayer EatDuFm = new SoundPlayer(@"../../music/EatDufood.wav");// 吃毒食物音乐
        SoundPlayer Overm = new SoundPlayer(@"../../music/Over.wav"); // 游戏结束音乐
        SoundPlayer BGm = new SoundPlayer(@"../../music/BGmusic.wav"); // 背景音乐
        int score = 0; //记录分数
        Label feng = new Label(); // 分数对象
        bool Pand = true; // 游戏开始和暂停判断

加载事件：

private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            this.Background = Brushes.Cyan;
            this.WindowState = WindowState.Maximized; // 屏幕最大化
            BG.Background = new LinearGradientBrush(Colors.Yellow, Colors.Pink, 10);
            // 边框
            Border bianKuang = new Border();
            bianKuang.Width = 1040;
            bianKuang.Height = 840;
            Canvas.SetLeft(bianKuang, size);
            Canvas.SetTop(bianKuang, size);
            bianKuang.BorderThickness = new Thickness(20); // 边框厚度
            bianKuang.CornerRadius = new CornerRadius(10);  // 画圆
            bianKuang.BorderBrush = Brushes.Green;
            BG.Children.Add(bianKuang);
            Image map = new Image(); 
            map.Source = new BitmapImage(new Uri("../../img/BGimg.png",UriKind.Relative));
            ImageBrush mp = new ImageBrush();
            mp.ImageSource = map.Source; // 显示图片

            // 游戏区
            gameArea.Width = 1000;
            gameArea.Height = 800;
            gameArea.Background = mp;
            mp.Stretch = Stretch.Fill;
            Canvas.SetLeft(gameArea, 2 * size);
            Canvas.SetTop(gameArea, 2 * size);
            BG.Children.Add(gameArea);
            // 得分对象
            feng.Width = 120;
            feng.Height = 50;
            Canvas.SetLeft(feng, 1060);
            Canvas.SetTop(feng, 100);
            feng.Background = Brushes.Coral;
            feng.Foreground = Brushes.DeepSkyBlue;
            feng.FontFamily = new FontFamily("楷体");
            feng.Content = "  得分:" + score + "分";
            feng.FontSize = 20;
            BG.Children.Add(feng);
            // 蛇1移动定时器
            moveTimer1.Tick += MoveTimer1_Tick; ;
            moveTimer1.Interval = TimeSpan.FromMilliseconds(100);
           // 蛇2移动定时器
            moveTimer2.Tick += MoveTimer2_Tick;
            moveTimer2.Interval = TimeSpan.FromMilliseconds(100);
            // 开始按钮
            Button Kaise = new Button();
            Kaise.Cursor = Cursors.Hand; // 鼠标移动到按钮处变成手型
            Kaise.Width = 120;
            Kaise.Height = 50;
            Canvas.SetLeft(Kaise, 1060);
            Canvas.SetTop(Kaise, 160);
            Kaise.Content = "开始游戏";
            Kaise.FontFamily = new FontFamily("楷体");
            Kaise.BorderBrush = Brushes.Cyan; // 边框颜色
            Kaise.Foreground = Brushes.DarkRed; // 字体颜色
            Kaise.FontSize = 20;
            Kaise.Background = Brushes.DarkKhaki;
            Kaise.Click += Kaise_Click;
            BG.Children.Add(Kaise);
            // 暂停按钮
            Button Zanting = new Button();
            Zanting.Cursor = Cursors.Hand; // 鼠标移动到按钮处变为手型
            Zanting.Width = 120;
            Zanting.Height = 50;
            Canvas.SetLeft(Zanting, 1060);
            Canvas.SetTop(Zanting, 220);
            Zanting.Content = "暂停游戏";
            Zanting.FontFamily = new FontFamily("楷体");
            Zanting.BorderBrush = Brushes.Cyan;
            Zanting.Foreground = Brushes.DarkRed;
            Zanting.FontSize = 20;
            Zanting.Background = Brushes.BurlyWood;
            Zanting.Click += Zanting_Click;
            BG.Children.Add(Zanting);
            // 背景音乐播放
            BGm.Play();
        }

开启游戏按钮

// 开启游戏
        private void Kaise_Click(object sender, RoutedEventArgs e)
        {
            BGm.Stop(); // 背景音乐中止
            this.KeyDown += MainWindow_KeyDown;
            if (Pand == true)
            {
                CreateSnake1(); // 生成蛇1方法
                CreateSnake2(); // 生成蛇2方法
                CreateFood(); // 生成食物
                CReateDufood();// 生成毒食物
            }
            moveTimer1.Start(); // 蛇1移动
            moveTimer2.Start();// 蛇2移动
            Pand = false;
        }

暂停按钮

// 暂停游戏
        private void Zanting_Click(object sender, RoutedEventArgs e)
        {
            this.KeyDown -= MainWindow_KeyDown;
            moveTimer1.Stop(); // 蛇1移动
            moveTimer2.Stop();// 蛇2移动
            Pand = false;
        }

建立食物方法：

// 建立食物
        private void CreateFood()
        {
            food.Width = food.Height = size;
            food.Background = Brushes.Red;
            food.CornerRadius = new CornerRadius(20);
            Canvas.SetLeft(food, ran.Next(1, 50) * size);
            Canvas.SetTop(food, ran.Next(1, 40) * size);
            // 判断食物在蛇位置上
            for (int i = 0; i < snakeList1.Count; i++)
            {
                for (int j = 0; j < snakeList2.Count; j++)
                {
                    if (Canvas.GetLeft(food)==Canvas.GetLeft(snakeList1[i])&&Canvas.GetTop(food)==Canvas.GetTop(snakeList1[i])||Canvas.GetLeft(food)==Canvas.GetLeft(snakeList2[j])&&Canvas.GetTop(food)==Canvas.GetTop(snakeList2[j]))
                    {
                        Canvas.SetLeft(food, ran.Next(1, 50) * size);
                        Canvas.SetTop(food, ran.Next(1, 40) * size);
                    }
                }
            }
            gameArea.Children.Add(food);
        }

建立毒食物方法：

// 建立毒食物
        private void CReateDufood()
        {
            dufood.Width = dufood.Height = size;
            dufood.Background = Brushes.GreenYellow;
            dufood.CornerRadius = new CornerRadius(20);
            Canvas.SetLeft(dufood, ran.Next(1, 50) * size);
            Canvas.SetTop(dufood, ran.Next(1, 40) * size);
            // 毒食物与食物位置重合
            if (Canvas.GetLeft(dufood)==Canvas.GetLeft(food)&&Canvas.GetTop(dufood)==Canvas.GetTop(food))
            {
                Canvas.SetLeft(dufood, ran.Next(1, 50) * size);
                Canvas.SetTop(dufood, ran.Next(1, 40) * size);
            }
            // 毒食物在蛇身上
            for (int i = 0; i < snakeList1.Count; i++)
            {
                for (int j = 0; j < snakeList2.Count; j++)
                {

                    if (Canvas.GetLeft(dufood) == Canvas.GetLeft(snakeList1[i]) && Canvas.GetTop(dufood) == Canvas.GetTop(snakeList1[i]) || Canvas.GetLeft(dufood) == Canvas.GetLeft(snakeList2[j]) && Canvas.GetTop(dufood) == Canvas.GetTop(snakeList2[j]))
                    {
                        Canvas.SetLeft(dufood, ran.Next(1, 50) * size);
                        Canvas.SetTop(dufood, ran.Next(1, 40) * size);
                    }
                }
            }
            gameArea.Children.Add(dufood);
        }

蛇1建立方法：

// 建立蛇1方法
        private void CreateSnake1()
        {
            int lenght = 4; // 默认蛇长度
            for (int i = 0; i < lenght; i++)
            {
                Border sna1 = new Border(); // 蛇对象
                sna1.Width = sna1.Height = size; // 蛇宽度，高度
                sna1.Tag = "Right";// 默认方法存储到Tag中
                if (i == 0)
                {
                    sna1.Background = Brushes.Thistle;
                }
                else
                {
                    sna1.Background = Brushes.Purple;
                }
                Canvas.SetLeft(sna1, gameArea.Width / 2 - (size * i));
                Canvas.SetTop(sna1, gameArea.Height / 2);
                sna1.CornerRadius = new CornerRadius(20);
                gameArea.Children.Add(sna1);
                snakeList1.Add(sna1);
            }
        }

蛇2建立方法：

// 建立蛇2方法
        private void CreateSnake2()
        {
            int length = 4;
            for (int i = 0; i < length; i++)
            {
                Border sna2 = new Border();
                sna2.Width = sna2.Height = size;
                sna2.Tag = "Left";
                if (i == 0)
                {
                    sna2.Background = Brushes.Thistle;
                }
                else
                {
                    sna2.Background = Brushes.Orange;
                }
                sna2.CornerRadius = new CornerRadius(20);
                Canvas.SetLeft(sna2, gameArea.Width / 2 + (i * size));
                Canvas.SetTop(sna2, gameArea.Width / 2);
                gameArea.Children.Add(sna2);
                snakeList2.Add(sna2);

            }
        }

蛇1移动

// 蛇1移动定时器
        private void MoveTimer1_Tick(object sender, EventArgs e)
        {
            for (int i = 0; i < snakeList1.Count; i++)
            {
                if (snakeList1[i].Tag.ToString() == "Right") // 向右移动
                {
                    Canvas.SetLeft(snakeList1[i], Canvas.GetLeft(snakeList1[i]) + size);
                }
                else if (snakeList1[i].Tag.ToString() == "Left") // 向左移动
                {
                    Canvas.SetLeft(snakeList1[i], Canvas.GetLeft(snakeList1[i]) - size);
                }
                else if (snakeList1[i].Tag.ToString() == "Up") // 向上移动
                {
                    Canvas.SetTop(snakeList1[i], Canvas.GetTop(snakeList1[i]) - size);
                }
                else if (snakeList1[i].Tag.ToString() == "Down") // 向下移动
                {
                    Canvas.SetTop(snakeList1[i], Canvas.GetTop(snakeList1[i]) + size);
                }
            }
            for (int i = snakeList1.Count - 1; i > 0; i--)
            {
                // 蛇身跟随蛇头，占蛇头位置
                snakeList1[i].Tag = snakeList1[i - 1].Tag;
            }
            // 蛇碰到墙
            if (Canvas.GetTop(snakeList1[0]) <= -1 || Canvas.GetTop(snakeList1[0]) == gameArea.Height || Canvas.GetLeft(snakeList1[0]) <= -1 || Canvas.GetLeft(snakeList1[0]) == gameArea.Width)
            {
                GameOver();
            }
            // 蛇1碰到蛇2
            for (int x = 0; x < snakeList2.Count; x++)
            {
                if (Canvas.GetLeft(snakeList1[0]) == Canvas.GetLeft(snakeList2[x]) && Canvas.GetTop(snakeList1[0]) == Canvas.GetTop(snakeList2[x]))
                {
                    GameOver();
                }
            }
            // 吃到食物
            if ( snakeList1.Count>0&&Canvas.GetTop(snakeList1[0]) == Canvas.GetTop(food) && Canvas.GetLeft(snakeList1[0]) == Canvas.GetLeft(food))
            {
                gameArea.Children.Remove(food); //删除吃的食物
                CreateFood(); // 从新建立食物
                EatFm.Play(); // 吃食物的音乐
                //新建立的蛇身
                Border Slimuse = new Border();//增添蛇身
                Slimuse.Width = Slimuse.Height = size;
                Slimuse.Tag = " ";
                Slimuse.Background = Brushes.Purple;
                Slimuse.CornerRadius = new CornerRadius(20); // 变圆
                Canvas.SetLeft(Slimuse, Canvas.GetLeft(snakeList1[snakeList1.Count - 1])); // 获取到蛇尾的Left位置
                Canvas.SetTop(Slimuse, Canvas.GetTop(snakeList1[snakeList1.Count - 1])); // 获取到蛇尾的Top位置
                gameArea.Children.Add(Slimuse);
                snakeList1.Add(Slimuse);
                score++;
                feng.Content = "  得分:" + score + "分";
            }
            //吃到毒食物
            if (snakeList1.Count > 0 && Canvas.GetTop(snakeList1[0]) == Canvas.GetTop(dufood) && Canvas.GetLeft(snakeList1[0]) == Canvas.GetLeft(dufood))
            {
                EatDuFm.Play(); // 吃毒食物音乐
                gameArea.Children.Remove(dufood);// 删掉吃的毒食物
                CReateDufood(); // 从新建立毒食物
                if (score > 0)
                {
                    score--;
                    feng.Content = "  得分:" + score + "分";
                }
                gameArea.Children.Remove(snakeList1[snakeList1.Count - 1]); // 清除蛇身最后一节
                snakeList1.Remove(snakeList1[snakeList1.Count - 1]); // 清除集合最后一节
            }
            // 蛇头碰到蛇身体
            for (int i = 1; i < snakeList1.Count; i++)
            {
                // 蛇头碰到蛇身
                if (Canvas.GetTop(snakeList1[0]) == Canvas.GetTop(snakeList1[i]) && Canvas.GetLeft(snakeList1[0]) == Canvas.GetLeft(snakeList1[i]))
                {
                    GameOver();
                }
            }
        }

蛇2移动

// 蛇2移动定时器
        private void MoveTimer2_Tick(object sender, EventArgs e)
        {
            for (int i = 0; i < snakeList2.Count; i++)
            {
                if (snakeList2[i].Tag.ToString() == "Left") // 向左移动
                {
                    Canvas.SetLeft(snakeList2[i], Canvas.GetLeft(snakeList2[i]) - size);
                }
                else if (snakeList2[i].Tag.ToString() == "Right") // 向右移动
                {
                    Canvas.SetLeft(snakeList2[i], Canvas.GetLeft(snakeList2[i]) + size);
                }
                else if (snakeList2[i].Tag.ToString() == "Up") // 向上
                {
                    Canvas.SetTop(snakeList2[i], Canvas.GetTop(snakeList2[i]) - size);
                }
                else if (snakeList2[i].Tag.ToString() == "Down")  // 向下
                {
                    Canvas.SetTop(snakeList2[i], Canvas.GetTop(snakeList2[i]) + size);
                }
            }
            for (int i = snakeList2.Count - 1; i > 0; i--)
            {
                // 蛇身跟随蛇头移动
                snakeList2[i].Tag = snakeList2[i - 1].Tag;
            }
            
            // 蛇2碰到墙
            if (Canvas.GetLeft(snakeList2[0]) <= -1 || Canvas.GetLeft(snakeList2[0]) >= gameArea.Width || Canvas.GetTop(snakeList2[0]) <= -1 || Canvas.GetTop(snakeList2[0]) >= gameArea.Height)
            {
                GameOver();// 调用游戏结束方法
            }
            // 蛇2碰到蛇1
            for (int x = 0; x < snakeList1.Count; x++)
            {
                if (Canvas.GetLeft(snakeList2[0]) == Canvas.GetLeft(snakeList1[x]) && Canvas.GetTop(snakeList2[0]) == Canvas.GetTop(snakeList1[x]))
                {
                    GameOver();// 调用游戏结束方法
                }
            }
            // 吃到食物
            if (snakeList2.Count>0&& Canvas.GetLeft(snakeList2[0]) == Canvas.GetLeft(food) && Canvas.GetTop(snakeList2[0]) == Canvas.GetTop(food))
            {
                gameArea.Children.Remove(food); // 删除食物
                CreateFood(); // 建立新食物
                EatFm.Play();// 吃食物音乐
                Border Slom = new Border();// 添加的蛇身 建立新蛇身
                Slom.Tag = " ";
                Slom.Width = Slom.Height = size;
                Slom.Background = Brushes.Orange;
                Slom.CornerRadius = new CornerRadius(20);
                Canvas.SetLeft(Slom, Canvas.GetLeft(snakeList2[snakeList2.Count - 1]));
                Canvas.SetTop(Slom, Canvas.GetTop(snakeList2[snakeList2.Count - 1]));
                snakeList2.Add(Slom);
                gameArea.Children.Add(Slom);
                score++;
                feng.Content = "  得分:" + score + "分";
            }
            // 吃到毒食物
            if (snakeList2.Count > 0&&Canvas.GetLeft(snakeList2[0])==Canvas.GetLeft(dufood)&&Canvas.GetTop(snakeList2[0])==Canvas.GetTop(dufood))
            {
                EatDuFm.Play(); // 吃毒食物音乐
                gameArea.Children.Remove(dufood); // 消除毒食物
                CReateDufood(); // 建立新毒食物
                if (score>0)
                {
                    score--;
                    feng.Content = "  得分:" + score + "分";
                }
                gameArea.Children.Remove(snakeList2[snakeList2.Count - 1]);
                snakeList2.Remove(snakeList2[snakeList2.Count - 1]);
            }
            // 蛇头碰到蛇身
            for (int i = 1; i < snakeList2.Count; i++)
            {
                if (Canvas.GetLeft(snakeList2[0]) == Canvas.GetLeft(snakeList2[i]) && Canvas.GetTop(snakeList2[0]) == Canvas.GetTop(snakeList2[i]))
                {
                    GameOver();// 调用游戏结束方法
                }
            }
        }

游戏结束方法：

// 游戏结束方法
        private void GameOver()
        {
            this.KeyDown -= MainWindow_KeyDown;
            moveTimer1.Stop();
            moveTimer2.Stop();
            gameArea.Children.Clear(); // 清除游戏区子级
            // Overm.Play(); // 游戏结束音乐
            MessageBoxResult Out = MessageBox.Show("游戏结束,得分为:" + score + ",是否从新开始游戏", "游戏结束", MessageBoxButton.YesNo, MessageBoxImage.Asterisk);
            if (Out == MessageBoxResult.Yes)
            {
                snakeList1.Clear(); // 清除存储蛇1的泛型
                 snakeList2.Clear(); // 清除存储蛇2的泛型
                Pand = true;
                score = 0;
                feng.Content = "  得分:" + score + "分";
            }
            else
            {
               this.Close();
            }
        }

##### 键盘事件
csharp // 键盘事件 private void MainWindow_KeyDown(object sender, KeyEventArgs e) { switch (e.Key) { case Key.Left: snakeList1[0].Tag = "Left"; break; case Key.Right: snakeList1[0].Tag = "Right"; break; case Key.Up: snakeList1[0].Tag = "Up"; break; case Key.Down: snakeList1[0].Tag = "Down"; break; case Key.A: snakeList2[0].Tag = "Left"; break; case Key.D: snakeList2[0].Tag = "Right"; break; case Key.W: snakeList2[0].Tag = "Up"; break; case Key.S: snakeList2[0].Tag = "Down"; break; default: break; } }dom

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