拼图游戏

本例创建一个简单的拼图游戏，将一个打乱的图形拼合完整，本例用数字替代图形，游戏界面如图。

程序代码如下。

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using System; using System.Collections.Generic; using System.Drawing; using System.Windows.Forms; namespace eg50_pintu {     public partial class MainForm : Form     {         int flag;         private int count;         private int[] numbers=new int[16];         public MainForm()         {             InitializeComponent();         }                   void T1KeyDown(object sender, KeyEventArgs e)         {             if(flag==0)             {                 string keyId=e.KeyCode.ToString();                 switch(keyId)                 {                         case "Right":LeftPress();                         break;                         case "Left":RightPress();                         break;                         case "Down":UpPress();                         break;                         case "Up":DownPress();                         break;                 }             }         }         private void assign()         {             if(numbers[0]!=-1)                 b1.Text=numbers[0].ToString();             else             {                 b1.Text="*";                 b1.Visible=false;             }             if(numbers[1]!=-1)                 b2.Text=numbers[1].ToString();             else             {                 b2.Text="*";                 b2.Visible=false;             }             if(numbers[2]!=-1)                 b3.Text=numbers[2].ToString();             else             {                 b3.Text="*";                 b3.Visible=false;             }             if(numbers[3]!=-1)                 b4.Text=numbers[3].ToString();             else             {                 b4.Text="*";                 b4.Visible=false;             }             if(numbers[4]!=-1)                 b5.Text=numbers[4].ToString();             else             {                 b5.Text="*";                 b5.Visible=false;             }             if(numbers[5]!=-1)                 b6.Text=numbers[5].ToString();             else             {                 b6.Text="*";                 b6.Visible=false;             }             if(numbers[6]!=-1)                 b7.Text=numbers[6].ToString();             else             {                 b7.Text="*";                 b7.Visible=false;             }             if(numbers[7]!=-1)                 b8.Text=numbers[7].ToString();             else             {                 b8.Text="*";                 b8.Visible=false;             }             if(numbers[8]!=-1)                 b9.Text=numbers[8].ToString();             else             {                 b9.Text="*";                 b9.Visible=false;             }             if(numbers[9]!=-1)                 b10.Text=numbers[9].ToString();             else             {                 b10.Text="*";                 b10.Visible=false;             }             if(numbers[10]!=-1)                 b11.Text=numbers[10].ToString();             else             {                 b11.Text="*";                 b11.Visible=false;             }             if(numbers[11]!=-1)                 b12.Text=numbers[11].ToString();             else             {                 b12.Text="*";                 b12.Visible=false;             }             if(numbers[12]!=-1)                 b13.Text=numbers[12].ToString();             else             {                 b13.Text="*";                 b13.Visible=false;             }             if(numbers[13]!=-1)                 b14.Text=numbers[13].ToString();             else             {                 b14.Text="*";                 b14.Visible=false;             }             if(numbers[14]!=-1)                 b15.Text=numbers[14].ToString();             else             {                 b15.Text="*";                 b15.Visible=false;             }             if(numbers[15]!=-1)                 b16.Text=numbers[15].ToString();             else             {                 b16.Text="*";                 b16.Visible=false;             }         }         public void RightPress()         {             int chk;             int loc;             int swap;             loc=locator();             if(((loc+1)%4)==0)                 return;             swap=numbers[loc+1];             numbers[loc+1]=-1;             numbers[loc]=swap;             MakeVisible();             assign();             chk=CheckForCompletion();             lbl3.Text=count.ToString();             if(chk==0)             {                 count++;                 lbl3.Text=count.ToString();             }             if(chk==1)             {                 flag=1;                 lbl1.Visible=true;             }         }         public void LeftPress()         {             int chk;             int loc;             int swap;             loc=locator();             if((loc%4)==0)                 return;             swap=numbers[loc-1];             numbers[loc-1]=-1;             numbers[loc]=swap;             MakeVisible();             assign();             chk=CheckForCompletion();             lbl3.Text=count.ToString();             if(chk==0)             {                 count++;                 lbl3.Text=count.ToString();             }             if(chk==1)             {                 flag=1;                 lbl1.Visible=true;             }         }         public void UpPress()         {             int chk;             int loc;             int swap;             loc=locator();             if(loc<=3)                 return;             swap=numbers[loc-4];             numbers[loc]=swap;             MakeVisible();             assign();             chk=CheckForCompletion();             lbl3.Text=count.ToString();             if(chk==0)             {                 count++;                 lbl3.Text=count.ToString();             }             if(chk==1)             {                 flag=1;                 lbl1.Visible=true;             }         }         public void DownPress()         {             int chk;             int loc;             int swap;             loc=locator();             if(loc>1)                 return;             swap=numbers[loc+4];             numbers[loc]=swap;             MakeVisible();             assign();             chk=CheckForCompletion();             lbl3.Text=count.ToString();             if(chk==0)             {                 count++;                 lbl3.Text=count.ToString();             }             if(chk==1)             {                 flag=1;                 lbl1.Visible=true;             }         }         private int locator()         {             int i;             for(i=0;i<=15;i++)             {                 if(numbers[i]==-1)                     break;                 else continue;             }             return i;         }         private int CheckForCompletion()         {             int j;             for(int i=0;i<=15;i++)             {                 if(numbers[i]==-1)                     numbers[i]=16;             }             for (j=0;j<=14;j++)             {                 if(numbers[j]>numbers[j+1])                     break;             }             if(j==15)                 return 1;             else             {                 for(int i=0;i<=15;i++)                 {                     if(numbers[i]==16)                         numbers[i]=-1;                 }                 return 0;             }         }         private void MakeVisible()         {             b1.Visible=true;             b2.Visible=true;             b3.Visible=true;             b4.Visible=true;             b5.Visible=true;             b6.Visible=true;             b7.Visible=true;             b8.Visible=true;             b9.Visible=true;             b10.Visible=true;             b11.Visible=true;             b12.Visible=true;             b13.Visible=true;             b14.Visible=true;             b15.Visible=true;             b16.Visible=true;         }     } }