分析
1，實作地圖，蛇，食物的出現
2，蛇的長度以及蛇頭與蛇身的差別
3，食物的随機位置
4，實作開始繼續讓蛇停止與繼續移動
5，蛇吃到食物加分數
6，蛇碰撞到牆壁或者蛇身就會死亡
代碼實作
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.Threading;
using System.Media;
using System.Data.SqlClient;
namespace WpfApp1
{
/// <summary>
/// MainWindow.xaml 的互動邏輯
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
//窗體邊框不顯示
this.WindowStyle = WindowStyle.None;
}
DispatcherTimer moverTimer = new DispatcherTimer();//計時器
Random ra = new Random();//建立随機數，食物所需要
Border food = new Border();//建立食物
int fenshu = 0; //記錄分數
Label feng = new Label(); // 分數對象
List<Border> snake = new List<Border>();
//更友善計算
double size = 20;
private void Window_Loaded(object sender, RoutedEventArgs e)
{
this.Background = Brushes.Transparent;
//全屏顯示
this.WindowState = WindowState.Maximized;
this.Background = Brushes.Transparent;
//顔色漸變
continer.Background = new RadialGradientBrush(Colors.White,Colors.Blue);
//正常顯示
continer.Width = this.Width;
continer.Height = this.Height;
feng.Width = 120;
feng.Height = 50;
Canvas.SetLeft(feng, 1060);
Canvas.SetTop(feng, 100);
feng.Background = Brushes.Coral;
feng.Foreground = Brushes.DeepSkyBlue;
feng.Content = " 得分:" + fenshu ;
feng.FontFamily = new FontFamily("楷體");
feng.FontSize = 20;
continer.Children.Add(feng);
Button Kaise = new Button();
Kaise.Cursor = Cursors.Hand; // 滑鼠移動到按鈕處變成手型
Kaise.Width = 120;
Kaise.Height = 50;
Canvas.SetLeft(Kaise, 1060);
Canvas.SetTop(Kaise, 160);
Kaise.Content = "開始遊戲";
Kaise.FontFamily = new FontFamily("楷體");
Kaise.BorderBrush = Brushes.Cyan; // 邊框顔色
Kaise.Foreground = Brushes.DarkRed; // 字型顔色
Kaise.FontSize = 20;
Kaise.Background = Brushes.BurlyWood;
Kaise.Click += Kaise_Click;
continer.Children.Add(Kaise);
Button Zanting = new Button();
Zanting.Cursor = Cursors.Hand; // 滑鼠移動到按鈕處變為手型
Zanting.Width = 120;
Zanting.Height = 50;
Canvas.SetLeft(Zanting, 1060);
Canvas.SetTop(Zanting, 220);
Zanting.Content = "暫停遊戲";
Zanting.FontFamily = new FontFamily("楷體");
Zanting.BorderBrush = Brushes.Cyan;
Zanting.Foreground = Brushes.DarkRed;
Zanting.FontSize = 20;
Zanting.Background = Brushes.BurlyWood;
Zanting.Click += Zanting_Click;
continer.Children.Add(Zanting);
moverTimer.Interval = TimeSpan.FromMilliseconds(100);
moverTimer.Tick += MoverTimer_Tick;
//moverTimer.Start();
CreateSnake();
CreateDouDou();
//添加鍵盤事件
this.KeyDown += MainWindow_KeyDown;
}
private void Kaise_Click(object sender, RoutedEventArgs e)
{
moverTimer.Start();
}
private void Zanting_Click(object sender, RoutedEventArgs e)
{
moverTimer.Stop();
}
private void MainWindow_KeyDown(object sender, KeyEventArgs e)
{
//識别鍵盤按鈕，而設定标簽
switch (e.Key)
{
case Key.Right:
snake[0].Tag = "Right";
break;
case Key.Left:
snake[0].Tag = "Left";
break;
case Key.Up:
snake[0].Tag = "Up";
break;
case Key.Down:
snake[0].Tag = "Down";
break;
}
}
private void MoverTimer_Tick(object sender, EventArgs e)
{
//蛇的長度
for (int i = 0; i < snake.Count; i++)
{
//确定蛇移動的方向與鍵鈕方向一緻
if (snake[i].Tag.ToString() == "Left")
{
Canvas.SetLeft(snake[i], Canvas.GetLeft(snake[i]) - size);
}
else if (snake[i].Tag.ToString() == "Right") {
Canvas.SetLeft(snake[i], Canvas.GetLeft(snake[i]) + size);
}
else if (snake[i].Tag.ToString() == "Up")
{
Canvas.SetTop(snake[i], Canvas.GetTop(snake[i]) - size);
}
else if (snake[i].Tag.ToString() == "Down")
{
Canvas.SetTop(snake[i], Canvas.GetTop(snake[i]) + size);
}
}
for (int i = snake.Count-1; i>0; i--)
{
snake[i].Tag = snake[i - 1].Tag;
}
//如果碰到食物則增加蛇身
if (snake.Count > 0 && Canvas.GetTop(snake[0]) == Canvas.GetTop(food) && Canvas.GetLeft(snake[0]) == Canvas.GetLeft(food))
{
fenshu++;
Canvas.SetLeft(food, ra.Next(geziNumX) * size);
Canvas.SetTop(food, ra.Next(geziNumY) * size);
Border tianjia = new Border();//增添蛇身
tianjia.Width = tianjia.Height = size;
tianjia.Tag = " ";
tianjia.Background = Brushes.Green;
tianjia.CornerRadius = new CornerRadius(20); // 變圓
Canvas.SetLeft(tianjia, Canvas.GetLeft(snake[snake.Count - 1])); // 擷取到蛇尾的Left位置
Canvas.SetTop(tianjia, Canvas.GetTop(snake[snake.Count - 1])); // 擷取到蛇尾的Top位置
continer.Children.Add(tianjia);
snake.Add(tianjia);
feng.Content = " 得分:" + fenshu ;
}
for (int i = 1; i < snake.Count; i++)
{
// 蛇頭碰到蛇身
if (Canvas.GetTop(snake[0]) == Canvas.GetTop(snake[i]) && Canvas.GetLeft(snake[0]) == Canvas.GetLeft(snake[i]))
{
MessageBox.Show("遊戲結束");
moverTimer.Stop();
}
//蛇頭碰到牆
if (Canvas.GetTop(snake[0]) <= 0 || Canvas.GetTop(snake[0]) == continer.Height || Canvas.GetLeft(snake[0]) <= 0 || Canvas.GetLeft(snake[0]) == continer.Width)
{
MessageBox.Show("遊戲結束");
moverTimer.Stop();
}
}
}
int geziNumX = 60;
int geziNumY = 40;
//建立蛇元素
private void CreateSnake()
{
for (int i = 0; i < 4; i++)
{
Border br = new Border();
br.Width = size;
br.Height = size;
//初始移動方向為向右
br.Tag = "Right";
if (i == 0)
{
//蛇頭
br.Background = Brushes.Black;
}
else {
//
br.Background = Brushes.Green;
}
br.CornerRadius = new CornerRadius(20);
// 位置
Canvas.SetLeft(br,(geziNumX/2)*size-i*size);
Canvas.SetTop(br, (geziNumY/2)*size);
continer.Children.Add(br);
snake.Add(br);
}
}
//建立食物
private void CreateDouDou()
{
food.Width = food.Height = size;
//食物顔色
food.Background = new RadialGradientBrush(Colors.Red, Colors.Red);
food.CornerRadius = new CornerRadius(5);
//随機位置
Canvas.SetLeft(food,ra.Next(geziNumX)*size);
Canvas.SetTop(food, ra.Next(geziNumY) * size);
continer.Children.Add(food);
}
}
}
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