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走迷宫——C++ 算法实现
这两个看了几个不错的走迷宫算法，然后按照自己的方式写了一个实现，代码如下：
MyMazeMap.cpp
1 #include <iostream> 2 #include <Windows.h> 3 #include "MazeMap.h" 4 #include "Mazer.h" 5 using namespace std; 6 7 const int SUCCESS = 0; 8 9 int main() 10 { 11 int map[8][12] = { 12 { WALL, WALL, WALL, WALL, WALL, WALL, WALL, WALL, WALL, WALL, WALL, WALL }, 13 { ROAD, ROAD, ROAD, ROAD, ROAD, WALL, WALL, ROAD, WALL, WALL, ROAD, WALL }, 14 { WALL, WALL, WALL, WALL, ROAD, WALL, WALL, ROAD, WALL, WALL, ROAD, WALL }, 15 { WALL, WALL, WALL, WALL, ROAD, WALL, WALL, ROAD, WALL, WALL, ROAD, WALL }, 16 { WALL, WALL, ROAD, ROAD, ROAD, ROAD, ROAD, ROAD, ROAD, WALL, ROAD, WALL }, 17 { WALL, WALL, ROAD, WALL, WALL, ROAD, WALL, WALL, ROAD, ROAD, ROAD, WALL }, 18 { WALL, ROAD, ROAD, WALL, WALL, ROAD, WALL, WALL, WALL, WALL, WALL, WALL }, 19 { WALL, ROAD, WALL, WALL, WALL, WALL, WALL, WALL, WALL, WALL, WALL, WALL } 20 }; 21 22 MyMazeMap maze; 23 24 maze.setMazeMap(*map, 8, 12);//创建map的一个迷宫 25 26 maze.setMazeWall(‘*‘);//墙的表示字符 27 maze.drawMap();//控制台显示迷宫 28 29 Faceto faceto;//人进入迷宫的朝向 30 faceto = _up; 31 32 MyMazer mazer(maze);//走迷宫的人的对象 33 34 mazer.setPersonPosition(7, 1);//迷宫入口位置 35 mazer.setPersonSpeed(FAST);//走迷宫的速度设置 36 mazer.setPersonChar(‘T‘);//人的字符表示 37 mazer.start(faceto);//开始走迷宫 38 39 system("pause"); 40 return 0; 41 }
MazeMap.h
1 #ifndef MAZEMAP_H 2 #define MAZEMAP_H 3 4 #include <Windows.h> 5 6 #define WALL 1 7 #define ROAD 0 8 9 class MyMazeMap 10 { 11 public: 12 MyMazeMap(); 13 MyMazeMap(const MyMazeMap &_mazeMap); 14 ~MyMazeMap(); 15 void setMazeMap(int *map,int row, int col);//设置指向地图二维数组的指针 16 void setMazeWall(char _wall);//设置墙壁字符表示 17 void drawMap();//打印地图 18 int **getMap();//获取地图二维数组的指针 19 int getCol();//获得二维数组的列数 20 int getRow();//获得二维数组的行数 21 void setExitPosition(COORD coo);//设置出口位置 22 COORD getExitPosition();//获得出口位置 23 24 private: 25 char m_cWall;//代表墙的字符 26 char m_cRoad;//代表路的字符 27 int m_iMapRow;//二维数组的行数 28 int m_iMapCol;//二维数组的列数 29 int **m_pMap;//指向地图二维数组的指针 30 COORD m_ExitPosition;//迷宫出口坐标 31 }; 32 33 #endif
MazeMap.cpp
#include <iostream> #include "MazeMap.h" using namespace std; MyMazeMap::MyMazeMap() { m_cRoad = ‘ ‘; m_cWall = ‘ ‘; m_iMapCol = 0; m_iMapRow = 0; m_ExitPosition.X = 0; m_ExitPosition.Y = 0; m_pMap = NULL; } MyMazeMap::MyMazeMap(const MyMazeMap &_mazeMap) { m_cRoad = _mazeMap.m_cRoad; m_cWall = _mazeMap.m_cWall; m_iMapCol = _mazeMap.m_iMapCol; m_iMapRow = _mazeMap.m_iMapRow; m_ExitPosition = _mazeMap.m_ExitPosition; m_pMap = _mazeMap.m_pMap; } MyMazeMap::~MyMazeMap() { //for (int i = 0; i < m_iMapRow; i++) //{ // delete[]m_pMap[i]; // m_pMap[i] = NULL; //} } void MyMazeMap::setMazeMap(int *map, int row, int col)//设置指向地图二维数组的指针 { // m_pMap = map; m_iMapCol = col; m_iMapRow = row; m_pMap = new int*[m_iMapRow]; for (int i = 0; i < m_iMapRow; i++) m_pMap[i] = new int[m_iMapCol]; int *p = map; for (int i = 0; i < m_iMapRow; i++) { for (int j = 0; j < m_iMapCol; j++) { m_pMap[i][j] = *p; p++; } } } void MyMazeMap::setMazeWall(char _wall)//设置墙壁字符表示 { m_cWall = _wall; } void MyMazeMap::drawMap()//打印地图 { for (int i = 0; i < m_iMapRow; i++) { for (int j = 0; j < m_iMapCol; j++) { if (m_pMap[i][j] == WALL) cout << m_cWall; else cout << m_cRoad; } cout << endl; } } int **MyMazeMap::getMap() { return m_pMap; } int MyMazeMap::getCol() { return m_iMapCol; } int MyMazeMap::getRow() { return m_iMapRow; } void MyMazeMap::setExitPosition(COORD coo) { m_ExitPosition = coo; } COORD MyMazeMap::getExitPosition()//获得出口位置 { return m_ExitPosition; }
Mazer.h
#ifndef MAZER_H #define MAZER_H #include <string> #include <Windows.h> #include <iostream> #include "MazeMap.h" enum Faceto{_up,_down,_left,_right}; enum Speed{LOW,MID,FAST}; class MyMazer { public: MyMazer(); MyMazer(MyMazeMap _mazeMap); ~MyMazer(); void setPersonPosition(int x, int y);//人当前位置 void setPersonSpeed(Speed _speed);//人移动的速度 void setPersonChar(char person);//表示人的字符 void start(Faceto _faceto);//游戏开始函数 void gotoxy(int x, int y);//动画控制 Faceto turn(Faceto _faceto);//人转向之后的朝向 int getSteps();//获取步数 MyMazeMap m_mazeMap; private: char m_cPerson;//表示人的字符 Faceto m_cFaceto;//表示人的朝向 COORD m_iNowLocal;//人当前位置 COORD m_iPreviousLocal;//人的前一个位置 //int destination[2] = { 0, 0 }; //int orignPoint[2] = { 0, 0 }; Speed m_speed;//人的速度 int m_iSteps;//记录人走了多少步 }; #endif
Mazer.cpp
#include <Windows.h> #include <iostream> #include <stdlib.h> #include <string> #include "Mazer.h" using namespace std; MyMazer::MyMazer() { m_cPerson = ‘Y‘; m_cFaceto = _up; m_speed = LOW; m_iNowLocal.X = 0;//行 m_iNowLocal.Y = 1;//列 m_iPreviousLocal.X = 0; m_iPreviousLocal.Y = 0; m_iSteps = 0; MyMazeMap m_mazeMap; m_mazeMap.getMap(); } MyMazer::MyMazer(MyMazeMap _mazeMap) { m_cPerson = ‘Y‘; m_cFaceto = _up; m_speed = LOW; m_iNowLocal.X = 0;//行 m_iNowLocal.Y = 1;//列 m_iPreviousLocal.X = 0; m_iPreviousLocal.Y = 0; m_mazeMap = _mazeMap; m_mazeMap.getMap(); // m_mazeMap.getExitPosition(); //m_mazeMap.detTerpoint(originPoint, destination); } MyMazer::~MyMazer() { } void MyMazer::setPersonPosition(int x, int y)//人当前位置 { m_iNowLocal.X = x; m_iNowLocal.Y = y; } int MyMazer::getSteps()//获取步数 { return m_iSteps; } void MyMazer::setPersonSpeed(Speed _speed)//人移动的速度 { m_speed = _speed; } void MyMazer::setPersonChar(char person)//表示人的字符 { m_cPerson = person; } Faceto MyMazer::turn(Faceto _faceto)//人转向之后的朝向 基于右手算法，定义下一步往哪走 { m_cFaceto = _faceto; if (m_cFaceto == _up) { if (m_mazeMap.getMap()[m_iNowLocal.X][m_iNowLocal.Y + 1] != WALL)//右边界不是墙 { m_cFaceto = _right; } else if (m_mazeMap.getMap()[m_iNowLocal.X - 1][m_iNowLocal.Y] != WALL)//上边界不是墙 { m_cFaceto = _up; } else if (m_mazeMap.getMap()[m_iNowLocal.X][m_iNowLocal.Y - 1] != WALL)//左边界不是墙 { m_cFaceto = _left; } else if (m_mazeMap.getMap()[m_iNowLocal.X + 1][m_iNowLocal.Y] != WALL)//下边界不是墙 { m_cFaceto = _down; } } else if (m_cFaceto == _right) { if (m_mazeMap.getMap()[m_iNowLocal.X + 1][m_iNowLocal.Y] != WALL)//下边界不是墙 { m_cFaceto = _down; } else if (m_mazeMap.getMap()[m_iNowLocal.X][m_iNowLocal.Y + 1] != WALL)//右边界不是墙 { m_cFaceto = _right; } else if (m_mazeMap.getMap()[m_iNowLocal.X - 1][m_iNowLocal.Y] != WALL)//上边界不是墙 { m_cFaceto = _up; } else if (m_mazeMap.getMap()[m_iNowLocal.X][m_iNowLocal.Y - 1] != WALL)//左边界不是墙 { m_cFaceto = _left; } } else if (m_cFaceto == _down) { if (m_mazeMap.getMap()[m_iNowLocal.X][m_iNowLocal.Y - 1] != WALL)//左边界不是墙 { m_cFaceto = _left; } else if (m_mazeMap.getMap()[m_iNowLocal.X + 1][m_iNowLocal.Y] != WALL)//下边界不是墙 { m_cFaceto = _down; } else if (m_mazeMap.getMap()[m_iNowLocal.X][m_iNowLocal.Y + 1] != WALL)//右边界不是墙 { m_cFaceto = _right; } else if (m_mazeMap.getMap()[m_iNowLocal.X - 1][m_iNowLocal.Y] != WALL)//上边界不是墙 { m_cFaceto = _up; } } else if (m_cFaceto == _left) { if (m_mazeMap.getMap()[m_iNowLocal.X - 1][m_iNowLocal.Y] != WALL)//上边界不是墙 { m_cFaceto = _up; } else if (m_mazeMap.getMap()[m_iNowLocal.X][m_iNowLocal.Y - 1] != WALL)//左边界不是墙 { m_cFaceto = _left; } else if (m_mazeMap.getMap()[m_iNowLocal.X + 1][m_iNowLocal.Y] != WALL)//下边界不是墙 { m_cFaceto = _down; } else if (m_mazeMap.getMap()[m_iNowLocal.X][m_iNowLocal.Y + 1] != WALL)//右边界不是墙 { m_cFaceto = _right; } } return m_cFaceto; } void MyMazer::start(Faceto _faceto)//游戏开始函数 { char tempcPer = ‘Y‘; tempcPer = m_cPerson; m_iSteps = 1; double speed_num = 0; if (m_speed == LOW) speed_num = 2; else if (m_speed == MID) speed_num = 1; else if (m_speed == FAST) speed_num = 0.5; m_cFaceto = _faceto; //画第一个点的位置 setPersonChar(tempcPer); gotoxy(m_iNowLocal.Y, m_iNowLocal.X); cout << m_cPerson; //从二维数组下面的二行输出当前走的步数 gotoxy(0, m_mazeMap.getRow() + 2); cout << "步数统计：" << m_iSteps << endl; Sleep(speed_num * 1000); while (1) { m_iPreviousLocal = m_iNowLocal; switch (m_cFaceto) { case 0://_up { m_iNowLocal.X = m_iNowLocal.X - 1; break; } case 1://_down { m_iNowLocal.X += 1; break; } case 2://_left { m_iNowLocal.Y = m_iNowLocal.Y - 1; break; } case 3://_right { m_iNowLocal.Y += 1; break; } } m_iSteps++;//记录步长 //从二维数组下面的二行输出当前走的步数 gotoxy(0, m_mazeMap.getRow() + 2); cout << "步数统计：" << m_iSteps << endl; //边界测试，四个边任何一个等于边界值都会退出 if ((m_iNowLocal.X == 0 || m_iNowLocal.X ==m_mazeMap.getRow()-1 ) || (m_iNowLocal.Y == m_mazeMap.getCol()-1 || (m_iNowLocal.Y == 0))) {//判断有没有走到出口的位置，到了，结束循环 setPersonChar(‘ ‘); gotoxy(m_iPreviousLocal.Y, m_iPreviousLocal.X); cout << m_cPerson; Sleep(0.05 * 1000); setPersonChar(tempcPer); gotoxy(m_iNowLocal.Y, m_iNowLocal.X); cout << m_cPerson; Sleep(speed_num * 1000); break; } //当前要走的位置不是出口位置，移动位置， m_cFaceto = turn(m_cFaceto);//判断当前位置的下一个位置的方向 setPersonChar(‘ ‘); gotoxy(m_iPreviousLocal.Y, m_iPreviousLocal.X); cout << m_cPerson; Sleep(0.05 * 1000); setPersonChar(tempcPer); gotoxy(m_iNowLocal.Y, m_iNowLocal.X); cout << m_cPerson; //从控制台的第二十行输出当前走的步数 /*gotoxy(0, m_mazeMap.getRow()+2); cout << "步数统计：" << m_iSteps << endl;*/ Sleep(speed_num * 1000); } setPersonChar(‘ ‘); gotoxy(0, m_mazeMap.getCol()); cout << endl << endl << endl << endl; cout << "走的步数：" << m_iSteps << endl; cout << "出口坐标：" << "(" << m_iNowLocal.X << ", " << m_iNowLocal.Y << ")" << endl; cout << "Finally the maze!" << endl; } void MyMazer::gotoxy(int x, int y)//动画控制 { COORD cd; cd.X = x; cd.Y = y; HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE); SetConsoleCursorPosition(handle, cd); }
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走迷宫——C++ 算法实现
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