tcsform.cs

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using System;
using System.Data;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.ComponentModel;
using System.Drawing.Drawing2D;

namespace 自娱自乐
{
	/// <summary>
	/// TCS 的摘要说明。
	/// </summary>
	public class TCSForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Timer GameTime;
		private System.Windows.Forms.MainMenu TCSMenu;
		private System.Windows.Forms.MenuItem menuGame;
		private System.Windows.Forms.MenuItem menuGameLev1;
		private System.Windows.Forms.MenuItem menuGameLev2;
		private System.Windows.Forms.MenuItem menuGameLev3;		
		private System.Windows.Forms.MenuItem menuGamePause;		
		private System.Windows.Forms.MenuItem menuGameCompart;
		private System.Windows.Forms.MenuItem menuGameExit;
		private System.Windows.Forms.Panel Lawn;		
		private System.ComponentModel.IContainer components;

		//定义全局参数
		private struct SnakeType 
		{
			public int  Direction;
			public PictureBox Pic;
		}
		//蛇身长度(个)，单节蛇身长度（象素），方向
		private int LenSnake,LenNode;
		//拐点坐标表
		private DataTable Inflexion;
		//声明蛇体
		private SnakeType[] Snake ;
		//声明蛋
		private PictureBox Egg ;

		public TCSForm()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(TCSForm));
			this.GameTime = new System.Windows.Forms.Timer(this.components);
			this.TCSMenu = new System.Windows.Forms.MainMenu();
			this.menuGame = new System.Windows.Forms.MenuItem();
			this.menuGameLev1 = new System.Windows.Forms.MenuItem();
			this.menuGameLev2 = new System.Windows.Forms.MenuItem();
			this.menuGameLev3 = new System.Windows.Forms.MenuItem();
			this.menuGameCompart = new System.Windows.Forms.MenuItem();
			this.menuGameExit = new System.Windows.Forms.MenuItem();
			this.Lawn = new System.Windows.Forms.Panel();
			this.menuGamePause = new System.Windows.Forms.MenuItem();
			this.SuspendLayout();
			// 
			// GameTime
			// 
			this.GameTime.Tick += new System.EventHandler(this.GameTime_Tick);
			// 
			// TCSMenu
			// 
			this.TCSMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.menuGame});
			// 
			// menuGame
			// 
			this.menuGame.Index = 0;
			this.menuGame.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.menuGameLev1,
																					 this.menuGameLev2,
																					 this.menuGameLev3,
																					 this.menuGamePause,
																					 this.menuGameCompart,
																					 this.menuGameExit});
			this.menuGame.Text = "游戏";
			// 
			// menuGameLev1
			// 
			this.menuGameLev1.Index = 0;
			this.menuGameLev1.Shortcut = System.Windows.Forms.Shortcut.F1;
			this.menuGameLev1.Text = "初级";
			this.menuGameLev1.Click += new System.EventHandler(this.menuGameLev1_Click);
			// 
			// menuGameLev2
			// 
			this.menuGameLev2.Index = 1;
			this.menuGameLev2.Shortcut = System.Windows.Forms.Shortcut.F2;
			this.menuGameLev2.Text = "中级";
			this.menuGameLev2.Click += new System.EventHandler(this.menuGameLev2_Click);
			// 
			// menuGameLev3
			// 
			this.menuGameLev3.Index = 2;
			this.menuGameLev3.Shortcut = System.Windows.Forms.Shortcut.F3;
			this.menuGameLev3.Text = "高级";
			this.menuGameLev3.Click += new System.EventHandler(this.menuGameLev3_Click);
			// 
			// menuGameCompart
			// 
			this.menuGameCompart.Index = 4;
			this.menuGameCompart.Text = "-";
			// 
			// menuGameExit
			// 
			this.menuGameExit.Index = 5;
			this.menuGameExit.Shortcut = System.Windows.Forms.Shortcut.F12;
			this.menuGameExit.Text = "退出";
			this.menuGameExit.Click += new System.EventHandler(this.menuGameExit_Click);
			// 
			// Lawn
			// 
			this.Lawn.BackColor = System.Drawing.Color.DarkSeaGreen;
			this.Lawn.Location = new System.Drawing.Point(20, 20);
			this.Lawn.Name = "Lawn";
			this.Lawn.Size = new System.Drawing.Size(600, 450);
			this.Lawn.TabIndex = 0;
			// 
			// menuGamePause
			// 
			this.menuGamePause.Index = 3;
			this.menuGamePause.Shortcut = System.Windows.Forms.Shortcut.F4;
			this.menuGamePause.Text = "暂停";
			this.menuGamePause.Click += new System.EventHandler(this.menuGamePause_Click);
			// 
			// TCSForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.Color.Gray;
			this.ClientSize = new System.Drawing.Size(642, 488);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.Lawn});
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximizeBox = false;
			this.Menu = this.TCSMenu;
			this.Name = "TCSForm";
			this.Text = "贪吃蛇";
			this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.TCSForm_KeyDown);
			this.Load += new System.EventHandler(this.TCSForm_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void TCSForm_Load(object sender, System.EventArgs e)
		{			
			//程序初始化
			//声明拐点坐标表
			Inflexion = new DataTable("Inflexion") ;
			Inflexion.Columns.Add("X", typeof(Int32));
			Inflexion.Columns.Add("Y", typeof(Int32));
			Inflexion.Columns.Add("Direction", typeof(Int32));
		}

		private void menuGameLev1_Click(object sender, System.EventArgs e)
		{
			//开始初级游戏
			Initialize();
			GameTime.Interval = 200 ;
			GameTime.Start();
		}

		private void menuGameLev2_Click(object sender, System.EventArgs e)
		{
			//开始中级游戏
			Initialize();
			GameTime.Interval = 100 ;
			GameTime.Start();
		}

		private void menuGameLev3_Click(object sender, System.EventArgs e)
		{
			//开始高级游戏
			Initialize();
			GameTime.Interval =  50 ;
			GameTime.Start();
		}

		private void menuGamePause_Click(object sender, System.EventArgs e)
		{
			//暂停游戏
			bool GTime			= true ;
			//确定显示坐标			
			if(GameTime.Enabled == true)
			{
				GTime = false ;
				GameTime.Stop();
			}
			if(GTime)
			{	GameTime.Start();}
		}
		private void menuGameExit_Click(object sender, System.EventArgs e)
		{
			//退出游戏
			this.Close();
		}

		private void GameTime_Tick(object sender, System.EventArgs e)
		{
			//移动蛇
			int i,j ;
			for(i=0;i<=LenSnake;i++)
			{
				for(j=0;j<Inflexion.Rows.Count;j++)
				{
					if((Snake[i].Pic.Left == (int)Inflexion.Rows[j]["X"])&&(Snake[i].Pic.Top == (int)Inflexion.Rows[j]["Y"]))
					{	
						Snake[i].Direction = (int)Inflexion.Rows[j]["Direction"] ; 
						if(i == 0)
						{
							MoveSnake(1,Snake[0].Direction,Snake[0].Pic);
						}
						if(i == LenSnake)
						{
							MoveSnake(3,Snake[LenSnake].Direction,Snake[LenSnake].Pic);
							Inflexion.Rows[j].Delete();
						}
						if((i!=0)&&(i!=LenSnake))
						{
							MoveSnake(2,Snake[i].Direction,Snake[i].Pic);
						}
						break;
					}					
				}
				switch(Snake[i].Direction)
				{
					case 1 :
						//向上
						Snake[i].Pic.Top = Snake[i].Pic.Top -  Snake[i].Pic.Height ;
						break;
					case 2 :
						//向右
						Snake[i].Pic.Left = Snake[i].Pic.Left +  Snake[i].Pic.Width ;
						break;
					case 3 :
						//向下
						Snake[i].Pic.Top = Snake[i].Pic.Top +  Snake[i].Pic.Height ;
						break;
					case 4 :
						//向左
						Snake[i].Pic.Left = Snake[i].Pic.Left -  Snake[i].Pic.Width ;
						break;
				}
				//判断是否与自身重合
				if(i != 0)
				{
					if((Snake[i].Pic.Top == Snake[0].Pic.Top)&&(Snake[i].Pic.Left == Snake[0].Pic.Left))
					{
						GameStop();
					}
				}
			}
			//判断是否吃蛋
			if((Snake[0].Pic.Top == Egg.Top )&&(Snake[0].Pic.Left == Egg.Left ))
			{
				SnakeAdd();
				MoveEgg();
			}
			//判断是否超出边界
			if((Snake[0].Pic.Top < 0)||(Snake[0].Pic.Top >= Lawn.Height)||(Snake[0].Pic.Left < 0)||(Snake[0].Pic.Left >= Lawn.Width))
			{	
				GameStop();
			}
		}		
		private void Egg_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
		{
			//将蛋外观改为圆形			
			PictureBox Egg	= (PictureBox)sender ;
			GraphicsPath gp = new GraphicsPath();　　		
			gp.AddEllipse(0, 0, 10, 15);
　　		Region r		= new Region(gp);
　　		Egg.Region		= r;	
		}

		private void SnakeHead_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
		{
			//画蛇头的外观			
			PictureBox SnakeHead	= (PictureBox)sender ;
			Point[] myArray			= new Point[4] ;
			switch(Snake[0].Direction)
			{
				case 1:
					//向上
					myArray[0] =  new Point(0 , 15) ;
					myArray[1] =  new Point(7 ,  0) ;
					myArray[2] =  new Point(8 ,  0) ;
					myArray[3] =  new Point(15 ,15) ;
					break;
				case 2:
					//向右
					myArray[0] =  new Point(0 ,  0) ;
					myArray[1] =  new Point(15,  7) ;
					myArray[2] =  new Point(15,  8) ;
					myArray[3] =  new Point(0 , 15) ;
					break;
				case 3:
					//向下
					myArray[0] =  new Point(0 ,  0) ;
					myArray[1] =  new Point(7 , 15) ;
					myArray[2] =  new Point(8 , 15) ;
					myArray[3] =  new Point(15 , 0) ;