C#利用控件拖拽技术制作拼图游戏

主要实现的功能：

1.程序附带多张拼图随机拼图。
2.可手动添加拼图。
3.游戏成功判断。
4.30秒超时判断。

 Puzzle.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace Puzzle
{
 public partial class Puzzle : Form
 {
   //图片列表
   PictureBox[] pictureList = null;
   //图片位置字典
   SortedDictionary<string, Bitmap> pictureLocationDict = new SortedDictionary<string, Bitmap>();
   //Location List
   Point[] pointList = null;
   //图片控件字典
   SortedDictionary<string, PictureBox> pictureBoxLocationDict = new SortedDictionary<string, PictureBox>();
   //拼图时间
   int second = 0;
   //所拖拽的图片
   PictureBox currentPictureBox = null;
   //被迫需要移动的图片
   PictureBox haveToPictureBox = null;
   //原位置
   Point oldLocation = Point.Empty;
   //新位置
   Point newLocation = Point.Empty;
   //鼠标按下坐标（control控件的相对坐标）
   Point mouseDownPoint = Point.Empty;
   //显示拖动效果的矩形
   Rectangle rect = Rectangle.Empty;
   //是否正在拖拽
   bool isDrag = false;

public Puzzle()
   {
     InitializeComponent();
     InitGame();
   }

/// <summary>
   /// 初始化游戏资源
   /// </summary>
   public void InitGame()
   {
     pictureList = new PictureBox[9] { pictureBox1, pictureBox2, pictureBox3, pictureBox4, pictureBox5, pictureBox6, pictureBox7, pictureBox8, pictureBox9 };
     pointList = new Point[9] { new Point(0, 0), new Point(100, 0), new Point(200, 0), new Point(0, 100), new Point(100, 100), new Point(200, 100), new Point(0, 200), new Point(100, 200), new Point(200, 200) };
     if (!Directory.Exists(Application.StartupPath.ToString() + "\\Picture"))
     {
       Directory.CreateDirectory(Application.StartupPath.ToString() + "\\Picture");
       Properties.Resources.默认.Save(Application.StartupPath.ToString() + "\\Picture\\1.jpg");
       Properties.Resources._1.Save(Application.StartupPath.ToString() + "\\Picture\\2.jpg");
       Properties.Resources._2.Save(Application.StartupPath.ToString() + "\\Picture\\3.jpg");
       Properties.Resources._3.Save(Application.StartupPath.ToString() + "\\Picture\\4.jpg");
       Properties.Resources._4.Save(Application.StartupPath.ToString() + "\\Picture\\5.jpg");
       Properties.Resources.成功.Save(Application.StartupPath.ToString() + "\\Picture\\6.jpg");
       Properties.Resources.欢呼.Save(Application.StartupPath.ToString() + "\\Picture\\7.jpg");
     }
     Random r = new Random();
     int i = r.Next(7);
     Flow(Application.StartupPath.ToString() + "\\Picture\\"+i.ToString()+".jpg");
   }

private void Puzzle_Paint(object sender, PaintEventArgs e)
   {
     if (rect != Rectangle.Empty)
     {
       if (isDrag)
       {
         e.Graphics.DrawRectangle(Pens.White, rect);
       }
       else
       {
         e.Graphics.DrawRectangle(new Pen(this.BackColor), rect);
       }
     }
   }

/// <summary>
   /// 不好用
   /// </summary>
   /// <returns></returns>
   public PictureBox GetPictureBoxByLocation()
   {
     PictureBox pic = null;
     if (this.ActiveControl.Name.Contains("pictureBox"))
     {
       pic = (PictureBox)this.ActiveControl;
     }
     return pic;

}

public PictureBox GetPictureBoxByLocation(MouseEventArgs e)
   {
     PictureBox pic = null;
     foreach (PictureBox item in pictureList)
     {
       if (e.Location.X > item.Location.X && e.Location.Y > item.Location.Y && item.Location.X + 100 > e.Location.X && item.Location.Y + 100 > e.Location.X)
       {
         pic = item;
       }
     }
     return pic;
   }

public PictureBox GetPictureBoxByLocation(int x,int y)
   {
     PictureBox pic = null;
     foreach (PictureBox item in pictureList)
     {
       if (x> item.Location.X && y > item.Location.Y && item.Location.X + 100 > x && item.Location.Y + 100 > y)
       {
         pic = item;
       }
     }
     return pic;
   }

/// <summary>
   /// 通过hashcode获取picture，用mouseeventargs之后获取相对于picture的坐标不是相对窗体
   /// </summary>
   /// <param name="hascode"></param>
   /// <returns></returns>
   public PictureBox GetPictureBoxByHashCode(string hascode)
   {
     PictureBox pic = null;
     foreach (PictureBox item in pictureList)
     {
       if (hascode == item.GetHashCode().ToString())
       {
         pic = item;
       }
     }
     return pic;
   }

private void pictureBox_MouseDown(object sender, MouseEventArgs e)
   {
     oldLocation = new Point(e.X, e.Y);
     currentPictureBox = GetPictureBoxByHashCode(sender.GetHashCode().ToString());
     MoseDown(currentPictureBox, sender, e);
   }

public void MoseDown(PictureBox pic, object sender, MouseEventArgs e)
   {
     if (e.Button == MouseButtons.Left)
     {
       oldLocation = e.Location;
       rect = pic.Bounds;
     }
   }

private void pictureBox_MouseMove(object sender, MouseEventArgs e)
   {
     if (e.Button == MouseButtons.Left)
     {
       isDrag = true;
       rect.Location = getPointToForm(new Point(e.Location.X - oldLocation.X, e.Location.Y - oldLocation.Y));
       this.Refresh();

}
   }

private void reset()
   {
     mouseDownPoint = Point.Empty;
     rect = Rectangle.Empty;
     isDrag = false;
   }

private Point getPointToForm(Point p)
   {
     return this.PointToClient(pictureBox1.PointToScreen(p));
   }

private void pictureBox_MouseUp(object sender, MouseEventArgs e)
   {
     oldLocation = new Point(currentPictureBox.Location.X, currentPictureBox.Location.Y);
     if (oldLocation.X + e.X > 300 || oldLocation.Y + e.Y > 300||oldLocation.X + e.X < 0 || oldLocation.Y + e.Y < 0)
     {
       return;
     }
     haveToPictureBox = GetPictureBoxByLocation(oldLocation.X + e.X, oldLocation.Y + e.Y);
     newLocation = new Point(haveToPictureBox.Location.X, haveToPictureBox.Location.Y);
     haveToPictureBox.Location = oldLocation;
     PictureMouseUp(currentPictureBox, sender, e);
     if ( Judge())
     {
       lab_result.Text = "成功！";
       //MessageBox.Show("恭喜拼图成功");
     }
   }

public void PictureMouseUp(PictureBox pic, object sender, MouseEventArgs e)
   {
     if (e.Button == MouseButtons.Left)
     {
       if (isDrag)
       {
         isDrag = false;
         pic.Location = newLocation;
         this.Refresh();
       }
       reset();
     }
   }

public void ExchangePictureBox(MouseEventArgs e)
   { }

private void btn_sta_Click(object sender, EventArgs e)
   {
     MessageBox.Show(this.ActiveControl.Name);
   }

/// <summary>
   /// 初始化
   /// </summary>
   /// <param name="path"></param>
   public void Flow(string path)
   {
     Image bm = CutPicture.Resize(path, 300, 300);
     CutPicture.BitMapList = new List<Bitmap>();
     for (int y = 0; y < 300; y += 100)
     {
       for (int x = 0; x < 300; x += 100)
       {
         //string key = x + "-" + y;
         Bitmap temp = CutPicture.Cut(bm, x, y, 100, 100);
         //pictureLocationDict.Add(key, temp);
         CutPicture.BitMapList.Add(temp);
       }
     }
     ImportBitMap();
   }

/// <summary>
   /// 打乱数据
   /// </summary>
   /// <param name="pictureArray"></param>
   /// <returns></returns>
   public PictureBox[] DisOrderArray(PictureBox[] pictureArray)
   {
     PictureBox[] tempArray = pictureArray;
     for (int i = tempArray.Length - 1; i > 0; i--)
     {
       Random rand = new Random();
       int p = rand.Next(i);
       PictureBox temp = tempArray[p];
       tempArray[p] = tempArray[i];
       tempArray[i] = temp;
     }
     return tempArray;
   }

/// <summary>
   /// 判断是否拼图成功
   /// </summary>
   /// <returns></returns>
   public bool Judge()
   {
     bool result = true;
     int i = 0;
     foreach (PictureBox item in pictureList)
     {
       if (item.Location != pointList[i])
       {
         result = false;
       }
       i++;
     }
     return result;
   }

private void btn_import_Click(object sender, EventArgs e)
   {
     lab_result.Text = "";
     ofd_picture.ShowDialog();
     CutPicture.PicturePath = ofd_picture.FileName;
     Flow(CutPicture.PicturePath);
     CountTime();
   }

/// <summary>
   /// 计时
   /// </summary>
   public void CountTime()
   {
     lab_time.Text = "0";
     timer1.Start();
   }

/// <summary>
   /// 给piturebox赋值
   /// </summary>
   public void ImportBitMap()
   {
     try
     {

int i = 0;// DisOrderArray(pictureList)
       foreach (PictureBox item in pictureList)
       {
         Bitmap temp = CutPicture.BitMapList[i];
         item.Image = temp;
         i++;
       }
       ResetPictureLocation();
     }
     catch (Exception exp)
     {
       Console.WriteLine(exp.Message);
     }

}

/// <summary>
   /// 打乱位置列表
   /// </summary>
   /// <returns></returns>
   public Point[] DisOrderLocation()
   {
     Point[] tempArray = (Point[])pointList.Clone();
     for (int i = tempArray.Length - 1; i > 0; i--)
     {
       Random rand = new Random();
       int p = rand.Next(i);
       Point temp = tempArray[p];
       tempArray[p] = tempArray[i];
       tempArray[i] = temp;
     }
     return tempArray;
   }

/// <summary>
   /// 重新设置图片位置
   /// </summary>
   public void ResetPictureLocation()
   {
     Point[] temp = DisOrderLocation();
     int i = 0;
     foreach (PictureBox item in pictureList)
     {
       item.Location = temp[i];
       i++;
     }
   }

/// <summary>
   /// 计时，超过30秒停止计时
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   private void timer1_Tick(object sender, EventArgs e)
   {
     second++;
     lab_time.Text = second.ToString();
     if (second == 30)
     {
       timer1.Stop();
       lab_result.Text = "失败！";
     }
   }

private void btn_sta_Click_1(object sender, EventArgs e)
   {
     lab_result.Text = "";
     timer1.Start();
   }

}
}

CutPicture.cs


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Imaging;
using System.Windows.Forms;

namespace Puzzle
{
 class CutPicture
 {
   public static string PicturePath = "";
   public static List<Bitmap> BitMapList = null;
   /// <summary>
   /// 剪切图片
   /// </summary>
   /// <param name="b">图片</param>
   /// <param name="StartX">X坐标</param>
   /// <param name="StartY">Y坐标</param>
   /// <param name="iWidth">宽</param>
   /// <param name="iHeight">高</param>
   /// <returns></returns>
   public static Bitmap Cut(Image b, int StartX, int StartY, int iWidth, int iHeight)
   {
     if (b == null)
     {
       return null;
     }
     int w = b.Width;
     int h = b.Height;
     if (StartX >= w || StartY >= h)
     {
       return null;
     }
     if (StartX + iWidth > w)
     {
       iWidth = w - StartX;
     }
     if (StartY + iHeight > h)
     {
       iHeight = h - StartY;
     }
     try
     {
       Bitmap bmpOut = new Bitmap(iWidth, iHeight, PixelFormat.Format24bppRgb);
       Graphics g = Graphics.FromImage(bmpOut);
       g.DrawImage(b, new Rectangle(0, 0, iWidth, iHeight), new Rectangle(StartX, StartY, iWidth, iHeight), GraphicsUnit.Pixel);
       g.Dispose();
       return bmpOut;
     }
     catch
     {
       return null;
     }
   }

/// <summary>
   /// 保存图片到根目录的Pictures文件夹下
   /// </summary>
   /// <param name="path">文件路径</param>
   /// <param name="iWidth">调整的宽</param>
   /// <param name="iHeignt">调整的高</param>
   /// <returns></returns>
   public static Image Resize(string path, int iWidth, int iHeignt)
   {
     Image thumbnail = null;
     try
     {
       var img = Image.FromFile(path);
       thumbnail = img.GetThumbnailImage(iWidth, iHeignt, null, IntPtr.Zero);
       thumbnail.Save(Application.StartupPath.ToString() + "\\Picture\\img.jpeg");
     }
     catch (Exception exp)
     {
       Console.WriteLine(exp.Message);
     }
     return thumbnail;
   }

}
}

mouse_down

private void pictureBox_MouseDown(object sender, MouseEventArgs e)
   {
     oldLocation = new Point(e.X, e.Y);
     currentPictureBox = GetPictureBoxByHashCode(sender.GetHashCode().ToString());
     MoseDown(currentPictureBox, sender, e);
   }

public void MoseDown(PictureBox pic, object sender, MouseEventArgs e)
   {
     if (e.Button == MouseButtons.Left)
     {
       oldLocation = e.Location;
       rect = pic.Bounds;
     }
   }

mouse_move

private void pictureBox_MouseMove(object sender, MouseEventArgs e)
   {
     if (e.Button == MouseButtons.Left)
     {
       isDrag = true;
       rect.Location = getPointToForm(new Point(e.Location.X - oldLocation.X, e.Location.Y - oldLocation.Y));
       this.Refresh();

}
   }

mouse_up

private void pictureBox_MouseUp(object sender, MouseEventArgs e)
   {
     oldLocation = new Point(currentPictureBox.Location.X, currentPictureBox.Location.Y);
     if (oldLocation.X + e.X > 300 || oldLocation.Y + e.Y > 300||oldLocation.X + e.X < 0 || oldLocation.Y + e.Y < 0)
     {
       return;
     }
     haveToPictureBox = GetPictureBoxByLocation(oldLocation.X + e.X, oldLocation.Y + e.Y);
     newLocation = new Point(haveToPictureBox.Location.X, haveToPictureBox.Location.Y);
     haveToPictureBox.Location = oldLocation;
     PictureMouseUp(currentPictureBox, sender, e);
     if ( Judge())
     {
       lab_result.Text = "成功！";
       //MessageBox.Show("恭喜拼图成功");
     }
   }

public void PictureMouseUp(PictureBox pic, object sender, MouseEventArgs e)
   {
     if (e.Button == MouseButtons.Left)
     {
       if (isDrag)
       {
         isDrag = false;
         pic.Location = newLocation;
         this.Refresh();
       }
       reset();
     }
   }

reset

private void reset()
  {
    mouseDownPoint = Point.Empty;
    rect = Rectangle.Empty;
    isDrag = false;
  }

以上所述就是本文的全部内容了，希望大家能够喜欢。