C语言之实现贪吃蛇小游戏篇（2）

目录

测试游戏test.c

游戏头文件包含&函数声明snake.h

游戏实现snake.c

测试游戏test.c

#define _CRT_SECURE_NO_WARNINGS 1#include "snake.h"void test(){int ch = 0;do{Snake snake = { 0 };//创建了贪吃蛇//1. 游戏开始 - 初始化游戏GameStart(&snake);//2. 游戏运行 - 游戏的正常运行过程GameRun(&snake);//3. 游戏结束 - 游戏善后（释放资源）GameEnd(&snake);SetPos(20, 18);printf("再来一局吗?(Y/N):");ch = getchar();getchar();// 清理掉\n} while (ch == 'Y' || ch == 'y');SetPos(0, 27);}int main(){//设置程序适应本地环境setlocale(LC_ALL, "");srand((unsigned int)time(NULL));test();return 0;}

游戏头文件包含&函数声明snake.h

#pragma once#include #include #include #include #include #include #define WALL L'□'#define BODY L'●'#define FOOD L'★'#define POS_X 24#define POS_Y 5#define KEY_PRESS(VK)( (GetAsyncKeyState(VK) & 0x1) ? 1 : 0 )enum DIRECTION{UP = 1,DOWN,LEFT,RIGHT};enum GAME_STATUS{OK,//正常运行END_NORMAL,//按ESC退出KILL_BY_WALL,KILL_BY_SELF};//贪吃蛇结点的描述typedef struct SnakeNode{//坐标int x;int y;struct SnakeNode* next;}SnakeNode, * pSnakeNode;//贪吃蛇的结构typedef struct Snake{pSnakeNode _pSnake;//指向贪吃蛇头结点的指针pSnakeNode _pFood;//指向食物结点的指针int _Score;//贪吃蛇累计的总分int _FoodWeight;//一个食物的分数int _SleepTime;//每走一步休息的时间，时间越短，速度越快，时间越长，速度越慢enum DIRECTION _Dir;//描述蛇的方向enum GAME_STATUS _Status;//游戏的状态：正常、退出、撞墙、吃到自己}Snake, * pSnake;//游戏开始 - 完成游戏的初始化动作void GameStart(pSnake ps);//定位坐标void SetPos(short x, short y);//游戏开始的欢迎界面void WelComeToGame();//打印地图void CreateMap();//初始化贪吃蛇void InitSnake(pSnake ps);//创建食物void CreateFood(pSnake ps);//游戏的正常运行void GameRun(pSnake ps);//打印帮助信息void PrintHelpInfo();//游戏暂定和恢复void Pause();//蛇的移动void SnakeMove(pSnake ps);//判断蛇头到达的坐标处是否是食物int NextIsFood(pSnake ps, pSnakeNode pnext);//吃掉食物void EatFood(pSnake ps, pSnakeNode pnext);//不吃食物void NoFood(pSnake ps, pSnakeNode pnext);//蛇是否撞墙void KillByWall(pSnake ps);//蛇是否自杀void KillBySelf(pSnake ps);//游戏结束后的善后处理void GameEnd(pSnake ps);

游戏实现snake.c

#define _CRT_SECURE_NO_WARNINGS 1#include "snake.h"//设置光标的坐标void SetPos(short x, short y){COORD pos = { x, y };HANDLE hOutput = NULL;//获取标准输出的句柄(用来标识不同设备的数值)hOutput = GetStdHandle(STD_OUTPUT_HANDLE);//设置标准输出上光标的位置为posSetConsoleCursorPosition(hOutput, pos);}//打印欢迎界面void WelComeToGame(){//定位光标SetPos(40, 14);printf("欢迎来到贪吃蛇小游戏");SetPos(40, 25);system("pause");//pause是暂停system("cls");SetPos(20, 14);printf("使用 ↑ . ↓ . ← . → . 分别控制蛇的移动, F3是加速，F4是减速");SetPos(40, 25);system("pause");system("cls");}//创建墙体void CreateMap(){//上SetPos(0, 0);int i = 0;for (i = 0; i <= 56; i += 2){wprintf(L"%lc", WALL);}//下SetPos(0, 26);for (i = 0; i <= 56; i += 2){wprintf(L"%lc", WALL);}//左for (i = 1; i <= 25; i++){SetPos(0, i);wprintf(L"%lc", WALL);}//右for (i = 1; i <= 25; i++){SetPos(56, i);wprintf(L"%lc", WALL);}}//初始化蛇void InitSnake(pSnake ps){pSnakeNode cur = NULL;int i = 0;for (i = 0; i x = POS_X + 2 * i;cur->y = POS_Y;cur->next = NULL;//头插法if (ps->_pSnake == NULL){ps->_pSnake = cur;}else{cur->next = ps->_pSnake;ps->_pSnake = cur;}}//打印蛇身cur = ps->_pSnake;while (cur){SetPos(cur->x, cur->y);wprintf(L"%lc", BODY);cur = cur->next;}ps->_Status = OK;ps->_Score = 0;ps->_pFood = NULL;ps->_SleepTime = 200;ps->_FoodWeight = 10;ps->_Dir = RIGHT;}//创建食物void CreateFood(pSnake ps){int x = 0;int y = 0;again:do{x = rand() % 53 + 2;y = rand() % 25 + 1;} while (x % 2 != 0);//x坐标必须是2的倍数//坐标不能和蛇的身体冲突pSnakeNode cur = ps->_pSnake;while (cur){//比较坐标if (cur->x == x && cur->y == y){goto again;}cur = cur->next;}pSnakeNode pFood = (pSnakeNode)malloc(sizeof(SnakeNode));if (pFood == NULL){perror("CreateFood()::malloc()");return;}pFood->x = x;pFood->y = y;ps->_pFood = pFood;//打印食物SetPos(x, y);wprintf(L"%lc", FOOD);}//游戏开始void GameStart(pSnake ps){//控制台窗口的设置system("mode con cols=100 lines=30");system("title 贪吃蛇");//光标影藏掉HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);//影藏光标操作CONSOLE_CURSOR_INFO CursorInfo;GetConsoleCursorInfo(hOutput, &CursorInfo);//获取控制台光标信息CursorInfo.bVisible = false; //隐藏控制台光标SetConsoleCursorInfo(hOutput, &CursorInfo);//设置控制台光标状态//打印欢迎界面WelComeToGame();//创建地图CreateMap();//初始化贪食蛇InitSnake(ps);//创建食物CreateFood(ps);}//打印帮助信息void PrintHelpInfo(){SetPos(64, 15);printf("1.不能撞墙，不能咬到自己");SetPos(64, 16);printf("2.使用 ↑.↓.←.→ 分别控制蛇的移动");SetPos(64, 17);printf("3.F3加速，F4减速");SetPos(64, 18);printf("4.ESC-退出, 空格-暂停游戏");SetPos(64, 20);printf("@TSQ");}//休眠void Pause(){while (1){Sleep(100);if (KEY_PRESS(VK_SPACE)){break;}}}//下个节点int NextIsFood(pSnake ps, pSnakeNode pnext){if (ps->_pFood->x == pnext->x && ps->_pFood->y == pnext->y){return 1;}else{return 0;}}//吃掉食物void EatFood(pSnake ps, pSnakeNode pnext){//头插pnext->next = ps->_pSnake;ps->_pSnake = pnext;//打印蛇pSnakeNode cur = ps->_pSnake;while (cur){SetPos(cur->x, cur->y);wprintf(L"%lc", BODY);cur = cur->next;}free(ps->_pFood);ps->_Score += ps->_FoodWeight;CreateFood(ps);//新创建食物}//不吃食物void NoFood(pSnake ps, pSnakeNode pnext){//头插pnext->next = ps->_pSnake;ps->_pSnake = pnext;//打印蛇身pSnakeNode cur = ps->_pSnake;while (cur->next->next){SetPos(cur->x, cur->y);wprintf(L"%lc", BODY);cur = cur->next;}SetPos(cur->next->x, cur->next->y);printf("");free(cur->next);cur->next = NULL;}//蛇是否撞墙void KillByWall(pSnake ps){if (ps->_pSnake->x == 0 ||ps->_pSnake->x == 56 ||ps->_pSnake->y == 0 ||ps->_pSnake->y == 26)ps->_Status = KILL_BY_WALL;}//蛇是否自杀void KillBySelf(pSnake ps){pSnakeNode cur = ps->_pSnake->next;while (cur){if (ps->_pSnake->x == cur->x && ps->_pSnake->y == cur->y){ps->_Status = KILL_BY_SELF;}cur = cur->next;}}//蛇移动void SnakeMove(pSnake ps){pSnakeNode pNext = (pSnakeNode)malloc(sizeof(SnakeNode));if (pNext == NULL){perror("SnakeMove()::malloc()");return;}pNext->next = NULL;switch (ps->_Dir){case UP:pNext->x = ps->_pSnake->x;pNext->y = ps->_pSnake->y - 1;break;case DOWN:pNext->x = ps->_pSnake->x;pNext->y = ps->_pSnake->y + 1;break;case LEFT:pNext->x = ps->_pSnake->x - 2;pNext->y = ps->_pSnake->y;break;case RIGHT:pNext->x = ps->_pSnake->x + 2;pNext->y = ps->_pSnake->y;break;}//判断蛇头到达的坐标处是否是食物if (NextIsFood(ps, pNext)){//吃掉食物EatFood(ps, pNext);}else{//不吃食物NoFood(ps, pNext);}//蛇是否撞墙KillByWall(ps);//蛇是否自杀KillBySelf(ps);}//游戏运行void GameRun(pSnake ps){PrintHelpInfo();do{SetPos(64, 10);printf("得分:%05d", ps->_Score);SetPos(64, 11);printf("每个食物的分数:%2d", ps->_FoodWeight);if (KEY_PRESS(VK_UP) && ps->_Dir != DOWN){ps->_Dir = UP;}else if (KEY_PRESS(VK_DOWN) && ps->_Dir != UP){ps->_Dir = DOWN;}else if (KEY_PRESS(VK_LEFT) && ps->_Dir != RIGHT){ps->_Dir = LEFT;}else if (KEY_PRESS(VK_RIGHT) && ps->_Dir != LEFT){ps->_Dir = RIGHT;}else if (KEY_PRESS(VK_ESCAPE)){ps->_Status = END_NORMAL;break;}else if (KEY_PRESS(VK_SPACE)){Pause();}else if (KEY_PRESS(VK_F3))//加速{if (ps->_SleepTime >= 80){ps->_SleepTime -= 30;ps->_FoodWeight += 2;}}else if (KEY_PRESS(VK_F4))//减速{if (ps->_SleepTime _SleepTime += 30;ps->_FoodWeight -= 2;}}Sleep(ps->_SleepTime);SnakeMove(ps);} while (ps->_Status == OK);}//游戏结束void GameEnd(pSnake ps){SetPos(20, 12);switch (ps->_Status){case END_NORMAL:printf("您主动退出游戏\n");break;case KILL_BY_SELF:printf("自杀了,游戏结束\n");break;case KILL_BY_WALL:printf("撞墙了，游戏结束\n");break;}//释放蛇身的结点pSnakeNode cur = ps->_pSnake;while (cur){pSnakeNode del = cur;cur = cur->next;free(del);}ps->_pSnake = NULL;}

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