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1 for (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 } }