C语言贪吃蛇经典小游戏

 typedef struct Snake { size_t x; //行 size_t y; //列 struct Snake* next; }Snake, *pSnake; 

 #ifndef __SNAKE_H__ #define __SNAKE_H__ #include  #include  #include  #include  #include  #include  //标识地图大小 #define ROW_MAP 10 //地图的行 #define COL_MAP 20 //地图的列 #define SUCCESS_SCORE 10//通关分数 enum Direction //蛇行走的方向 { R, //右 L, //左 U, //上 D //下 }Direction; enum State { ERROR_SELF, //咬到自己 ERROR_WALL, //撞到墙 NORMAL, //正常状态 SUCCESS //通关 }State; typedef struct Snake { size_t x; //行 size_t y; //列 struct Snake* next; }Snake, *pSnake; void StartGame(); void RunGame(); void EndGame(); #endif 

 #include "Snake.h" pSnake head = NULL; //定义蛇头指针 pSnake Food = NULL; //定义食物指针 int sleeptime = 500;//间隔时间，用来控制速度 int Score = 0; //总分 int everyScore = 1; //每步得分 //定义游戏中用到的符号 const char food = '#'; const char snake = '*'; void Pos(int x, int y) //控制输出光标 { COORD pos; //pos为结构体 pos.X = x; //控制列 pos.Y = y; //控制行 SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);//读取标准输出句柄来控制光标为pos } void Face() { system("color 0C"); printf("*******************************************************\n"); printf("* Welcome to Snake Game! *\n"); printf("*    *\n"); printf("* ->开始游戏请按 enter键  *\n"); printf("* ->退出游戏请按 esc键  *\n"); printf("* ->暂停游戏请按 space键  *\n"); printf("* ->通过上下左右键来控制蛇的移动 *\n"); printf("* ->通过F1键减速 F2键加速 *\n"); printf("*******************************************************\n"); } void Map() //初始化地图 { int i = 0; for(i = 0; iy, cur->x); printf("%c", snake); cur = cur->next; } } void InitSnake() //初始化蛇身 { int initNum = 3; int i = 0; pSnake cur; head = (pSnake)malloc(sizeof(Snake)); head->x = 5; head->y = 10; head->next = NULL; cur = head; for(i = 1; i x = 5+i; newNode->y = 10; newNode->next = NULL; cur->next = newNode; cur = cur->next; } PrintSnake(); } void CreateFood() //在地图上随机产生一个食物 { pSnake cur = head; Food = (pSnake)malloc(sizeof(Snake)); //产生x~y的随机数 k=rand()%(Y-X+1)+X; srand((unsigned)time(NULL)); Food->x = rand()%(ROW_MAP-2 - 1 + 1)+1; Food->y = rand()%(COL_MAP-3 - 2 + 1)+2; Food->next = NULL; while(cur) //检查食物是否与蛇身重合 { if(cur->x == Food->x && cur->y == Food->y) { free(Food); Food = NULL; CreateFood(); return; } cur = cur->next; } Pos(Food->y, Food->x); printf("%c", food); } void StartGame() //游戏开始的所有设置 { Face(); system("pause"); if(GetAsyncKeyState(VK_RETURN)) { system("cls"); Pos(COL_MAP+5, 1); printf("当前分数/通关分数:"); Pos(COL_MAP+20, 1); printf("%d/%d", Score, SUCCESS_SCORE); Pos(COL_MAP+5, 2); printf("当前分每步得分:"); Pos(COL_MAP+20, 2); printf("%d", everyScore); Pos(COL_MAP+5, 3); printf("\n"); Pos(COL_MAP+5, 4); printf("速度越快 得分越高哦！！\n"); Map(); InitSnake(); CreateFood(); } else if(GetAsyncKeyState(VK_ESCAPE)) { exit(0); } } int IsCrossWall() //判断是否碰到墙 { if(head->x <= 0 || head->x >= ROW_MAP-1 ||head->y <= 1 || head->y >= COL_MAP-2) { State = ERROR_WALL; return 0; } return 1; } int IsEatSelf(pSnake newHead) //判断是否咬到自己 { pSnake cur = head; assert(newHead); while(cur) { if(cur->x == newHead->x && cur->y == newHead->y) { State = ERROR_SELF; return 0; } cur = cur->next; } return 1; } int IsFood(pSnake pos) //判断该位置是不是食物 { assert(pos); if(pos->x == Food->x && pos->y == Food->y) { return 1; } return 0; } void SnakeMove() //蛇移动一次 { pSnake newHead = NULL; newHead = (pSnake)malloc(sizeof(Snake)); if(Direction == R) { newHead->x = head->x; newHead->y = head->y+1; newHead->next = head; } else if(Direction == L) { newHead->x = head->x; newHead->y = head->y-1; newHead->next = head; } else if(Direction == U) { newHead->x = head->x-1; newHead->y = head->y; newHead->next = head; } else if(Direction == D) { newHead->x = head->x+1; newHead->y = head->y; newHead->next = head; } if(IsFood(newHead)) { head = newHead; PrintSnake(); CreateFood(); Score += everyScore; Pos(COL_MAP+20, 1); printf("%d/%d", Score, SUCCESS_SCORE); if(Score >= SUCCESS_SCORE) { State = SUCCESS; } } else { if(IsCrossWall() && IsEatSelf(newHead)) { pSnake cur = NULL; head = newHead; cur = head; //删除蛇尾并打印 while(cur->next->next != NULL) { Pos(cur->y, cur->x); printf("%c", snake); cur = cur->next; } Pos(cur->y, cur->x); printf("%c", snake); Pos(cur->next->y, cur->next->x); printf(" "); //打印空格来覆盖频幕上的蛇尾 free(cur->next); cur->next = NULL; } else { free(newHead); newHead = NULL; } } } void Pause() { while(1) { Sleep(sleeptime); if(GetAsyncKeyState(VK_SPACE)) { break; } } } void ControlSnake() //用键盘控制游戏 { if(GetAsyncKeyState(VK_UP) && Direction!=D) { Direction = U; } else if(GetAsyncKeyState(VK_DOWN) && Direction!=U) { Direction = D; } else if(GetAsyncKeyState(VK_LEFT) && Direction!=R) { Direction = L; } else if(GetAsyncKeyState(VK_RIGHT) && Direction!=L) { Direction = R; } else if(GetAsyncKeyState(VK_F1)) { if(sleeptime != 500) { sleeptime = 500; everyScore = 1; Pos(COL_MAP+20, 2); printf("%d", everyScore); } } else if(GetAsyncKeyState(VK_F2)) { if(sleeptime != 300) { sleeptime = 300; everyScore = 2; Pos(COL_MAP+20, 2); printf("%d", everyScore); } } else if(GetAsyncKeyState(VK_SPACE)) { Pause(); } else if(GetAsyncKeyState(VK_ESCAPE)) { exit(0); } } void StateGame() //判断游戏失败或成功 { if(State == ERROR_SELF) { system("cls"); printf("很遗憾，蛇咬到自己，游戏失败！\n"); } else if(State == ERROR_WALL) { system("cls"); printf("很遗憾，蛇碰到墙壁，游戏失败！\n"); } else if(State == SUCCESS) { system("cls"); printf("恭喜您，已通关！！！\n"); } } void RunGame() { Direction = R; //蛇初始行走方向为右 State = NORMAL;//游戏初始为正常状态 while(1) { ControlSnake(); SnakeMove(); if(State != NORMAL) { StateGame(); break; } Sleep(sleeptime); } } void EndGame() //释放链表并恢复默认值 { pSnake cur = head; while(cur) { pSnake del = cur; cur = cur->next; free(del); del = NULL; } head = NULL; if(Food != NULL) { free(Food); Food = NULL; } Score = 0; everyScore = 1; sleeptime = 500; } 

 #include "Snake.h" int main() { while(1) { StartGame(); RunGame(); EndGame(); } system("pause"); return 0; }