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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace WinSnakeGame { public partial class frmSnakePlus : Form { #region 游戏变量 /// <summary> /// 贪食蛇初始长度 /// </summary> private int snakeCount { get { return Convert.ToInt32(cmbSnakeCount.SelectedItem); } } /// <summary> /// 贪食蛇初始大小 /// </summary> private int snakeSize { get { return Convert.ToInt32(cmbSnakeSize.SelectedItem); } } /// <summary> /// 食物数量 /// </summary> private int foodCount { get { return Convert.ToInt32(cmbFoodCount.SelectedItem); } } /// <summary> /// 爬行速度 /// </summary> private int snakeSpeed { get { return Convert.ToInt32(cmbSpeed.SelectedItem); } } /// <summary> /// 贪食蛇分数 /// </summary> private int snakeScore = 0; /// <summary> /// 正在爬行 /// </summary> private bool snakeAction = false; /// <summary> /// 爬行方向 /// </summary> private Keys KeyCode = Keys.Right; /// <summary> /// 组成贪食蛇的集合 /// </summary> private List<Label> snakeCells = new List<Label>(); /// <summary> /// 食物集合 /// </summary> private List<Label> foodCells = new List<Label>(); #endregion #region 构造函数 public frmSnakePlus() { InitializeComponent(); } private void frmSnakePlus_Load(object sender, EventArgs e) { cmbSnakeCount.SelectedItem = "1"; cmbSnakeSize.SelectedItem = "10"; cmbFoodCount.SelectedItem = "10"; cmbSpeed.SelectedItem = "100"; chbNodie.Checked = false; InitGame(); } #endregion #region 游戏控制 /// <summary> /// 初始游戏 /// </summary> private void InitGame() { this.SnakeTimer.Stop(); this.snakeAction = false; this.KeyPreview = true; this.DrawPanel.Focus(); this.KeyCode = Keys.Right; this.snakeScore = this.snakeCount; btnStart.Enabled = true; btnClose.Enabled = btnStop.Enabled = false; // 清空贪食蛇 snakeCells.Clear(); // 清空食物 foodCells.Clear(); // 清空游戏区域 DrawPanel.Controls.Clear(); InitSnake(); InitFood(); } /// <summary> /// 初始化贪食蛇 /// </summary> private void InitSnake() { // 初始化贪食蛇 for (int i = snakeScore - 1; i >= 0; i--) { // 创建方格 Label _cell = CreateCell(new Point(i * this.snakeSize, 0)); // 将方格添加到蛇身集合 snakeCells.Add(_cell); // 绘制到游戏区域 this.DrawPanel.Controls.Add(_cell); } // 显示信息 SnakePoint.Text = string.Format("X：{0} Y：{1} snakeScore：{2}", snakeCells[0].Location.X, snakeCells[0].Location.Y, snakeScore); } /// <summary> /// 开始游戏 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnStart_Click(object sender, EventArgs e) { btnStop.Enabled = btnClose.Enabled = true; btnStart.Enabled = false; this.snakeAction = true; this.SnakeTimer.Start(); } /// <summary> /// 暂停游戏 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnStop_Click(object sender, EventArgs e) { btnStart.Enabled = btnClose.Enabled = true; btnStop.Enabled = false; this.snakeAction = false; this.SnakeTimer.Stop(); } /// <summary> /// 结束游戏 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnClose_Click(object sender, EventArgs e) { btnStart.Enabled = true; btnStop.Enabled = btnClose.Enabled = false; this.InitGame(); } /// <summary> /// 定时控件：控制贪食蛇的自动运动 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void SnakeTimer_Tick(object sender, EventArgs e) { int xRan = snakeCells[0].Location.X; int yRan = snakeCells[0].Location.Y; if (this.KeyCode == Keys.Up) { yRan -= this.snakeSize; //向上移动 } else if (this.KeyCode == Keys.Down) { yRan += this.snakeSize; //向下移动 } else if (this.KeyCode == Keys.Left) { xRan -= this.snakeSize; //向左移动 } else if (this.KeyCode == Keys.Right) { xRan += this.snakeSize; //向右移动 } bool isOut = (xRan < 0 || xRan > (this.DrawPanel.Height - this.snakeSize) || yRan < 0 || yRan > (this.DrawPanel.Height - this.snakeSize)); // 检测贪食蛇是否在游戏区域中 if (isOut && !chbNodie.Checked) { this.SnakeTimer.Stop(); MessageBox.Show("Game Over！"); this.InitGame(); return; } // 无敌模式：穿墙设置 else if (isOut && chbNodie.Checked) { if (xRan > this.DrawPanel.Width) { xRan = 0; } if (xRan < 0) { xRan = this.DrawPanel.Width; } if (yRan > this.DrawPanel.Height) { yRan = 0; } if (yRan < 0) { yRan = this.DrawPanel.Height; } } for (int i = snakeScore - 1; i > 0; i--) { // 蛇身所有格子前进到前一个格子的位置 snakeCells[i].Location = new Point(snakeCells[i - 1].Location.X, snakeCells[i - 1].Location.Y); } // 蛇头前进一个格子 snakeCells[0].Location = new Point(xRan, yRan); List<Label> _findFoods = foodCells.Where(n => n.Location == snakeCells[0].Location).ToList<Label>(); for (int i = 0; i < _findFoods.Count(); i++) { // 消除游戏区域中的食物 this.DrawPanel.Controls.Remove(_findFoods[i]); //消除数组中的食物 foodCells.Remove(_findFoods[i]); // 蛇身变长 Label _cell = CreateCell(snakeCells[snakeCells.Count - 1].Location, Color.Blue); snakeCells.Add(_cell); this.DrawPanel.Controls.Add(_cell); //增加蛇身长度 snakeScore++; } if (foodCells.Count == 0) { InitFood(); } SnakePoint.Text = string.Format("X：{0} Y：{1} snakeScore：{2}", snakeCells[0].Location.X, snakeCells[0].Location.Y, snakeScore); } /// <summary> /// 监控方向键：改变贪食蛇的运动方向（上下左右） /// </summary> /// <param name="keyCode"></param> /// <returns></returns> protected override bool ProcessDialogKey(Keys _keyCode) { // 只对上下左右按键做出响应 if (_keyCode == Keys.Up || _keyCode == Keys.Down || _keyCode == Keys.Left || _keyCode == Keys.Right) { // 记录按下的方向键 this.KeyCode = _keyCode; if (!snakeAction) { snakeAction = true; SnakeTimer.Start(); btnStop.Enabled = btnClose.Enabled = true; btnStart.Enabled = false; } return false; } else { return base.ProcessDialogKey(_keyCode); } } #endregion #region 生产食物 /// <summary> /// 食物初始化 /// </summary> private void InitFood() { CreateFood(foodCount); } /// <summary> ///生产食物 /// </summary> /// <param name="foodCount"></param> private void CreateFood(int foodCount) { Random ran = new Random();//随机类 int xRan, yRan; for (int i = 0; i < foodCount; i++) { // 随机生成食物放置的X、Y坐标 xRan = ran.Next(0, this.DrawPanel.Width / this.snakeSize) * this.snakeSize; yRan = ran.Next(0, this.DrawPanel.Height / this.snakeSize) * this.snakeSize; if (xRan > this.DrawPanel.Width - 10 || xRan > this.DrawPanel.Height - 10) { xRan = ran.Next(0, this.DrawPanel.Width / snakeSize) * snakeSize; yRan = ran.Next(0, this.DrawPanel.Height / snakeSize) * snakeSize; } Point FoodPoint = new Point(xRan, yRan); // 检索指定坐标处的子控件 var newFood = this.DrawPanel.GetChildAtPoint(FoodPoint); if (newFood == null) { // 创建方格 Label _cell = CreateCell(FoodPoint, Color.White); // 将方格添加到食物集合 foodCells.Add(_cell); // 绘制到游戏区域 this.DrawPanel.Controls.Add(_cell); } } } #endregion #region 通用方法 /// <summary> /// 创建格子 /// </summary> /// <returns></returns> private Label CreateCell(Point point) { Label _cell = new Label(); _cell.Size = new Size(this.snakeSize, this.snakeSize); _cell.Location = point; _cell.BackColor = Color.Red; _cell.BorderStyle = BorderStyle.FixedSingle; return _cell; } /// <summary> /// 创建格子 /// </summary> /// <returns></returns> private Label CreateCell(Point point, Color color) { Label _cell = new Label(); _cell.Size = new Size(this.snakeSize, this.snakeSize); _cell.Location = point; _cell.BackColor = color; _cell.BorderStyle = BorderStyle.FixedSingle; return _cell; } #endregion #region Event private void btnSetting_Click(object sender, EventArgs e) { if (this.Height == 589) { this.Height = 660; } else { this.Height = 589; } } /// <summary> /// 设置初始长度 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void cmbSnakeCount_SelectedIndexChanged(object sender, EventArgs e) { InitGame(); } /// <summary> /// 设置初始大小 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void cmbSnakeSize_SelectedIndexChanged(object sender, EventArgs e) { InitGame(); } /// <summary> /// 设置食物数量 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void cmbFoodCount_SelectedIndexChanged(object sender, EventArgs e) { InitGame(); } /// <summary> /// 开启无敌模式 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void chbNodie_CheckedChanged(object sender, EventArgs e) { //InitGame(); this.KeyPreview = true; this.DrawPanel.Focus(); } /// <summary> /// 设置爬行速度 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void cmbSpeed_SelectedIndexChanged(object sender, EventArgs e) { SnakeTimer.Interval = this.snakeSpeed; this.KeyPreview = true; this.DrawPanel.Focus(); } #endregion } }
