C++代码实现贪吃蛇小游戏

 #include  #include  #include  #include  #include  #pragma warning(disable:4996) using namespace std; HANDLE hOut; COORD pos; //1.实现gotoxy函数 void gotoxy(short x, short y) { hOut = GetStdHandle(STD_OUTPUT_HANDLE); //获取句柄 pos = { x, y }; SetConsoleCursorPosition(hOut, pos);  //移动光标到指定位置 } void HideCursor() //隐藏光标 { HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE); CONSOLE_CURSOR_<strong style="color:transparent">来源gaodai#ma#com搞@@代~&码网</strong>INFO CursorInfo; GetConsoleCursorInfo(handle, &CursorInfo);//获取控制台光标信息 CursorInfo.bVisible = false;    //隐藏控制台光标 SetConsoleCursorInfo(handle, &CursorInfo);//设置控制台光标状态 } //2.蛇的结构体 struct Snake { char body; short position_x, position_y;    //蛇的坐标 }; //3.游戏运行类 class Game { private: char image; enum mapSize { width = 60, height = 30 }; //游戏地图 deque snake;      //定义一个队列，装蛇的身体 int score = 0;        //游戏分数 char hit = 'w';       //按键输入 bool eat_Food = false;      //是否吃到食物 short food_x, food_y;      //食物坐标 int speed = 400;       //蛇的速度 bool snake_state = true;     //蛇的状态 int level = 1;        //游戏关卡 public: Game(); void draw_Frame()  //画边框 { for (int i = 0; i <height; i++) { gotoxy(0, i); cout << "■"; gotoxy(width, i); cout << "■"; } for (int i = 0; i <= width; i += 2) //■ 这个符号占两个字符位置，所以是+2 { gotoxy(i, 0); cout << "■"; gotoxy(i, height); cout << "■"; } } void init_snake()  //初始化蛇 { snake.push_back({ '#', width / 2, static_cast(height / 2) }); //添加蛇头 for (int i = 0; i <3; i++) //蛇的初始身体节数，可自定 snake.push_back({ char('o'), width / 2, static_cast((height / 2) + 1 + i) }); snake.push_back({ ' ', width / 2, static_cast((height / 2) + 4) }); //添加蛇尾，先放空，以便于后面添加节数时操作 } void draw_Snake() //画蛇 { for (int k = 0; k <snake.size(); k++) { gotoxy(snake[k].position_x, snake[k].position_y); cout << snake[k].body; } } void clear_Tail() //清除蛇尾，不建议使用清屏函数，避免屏闪 { int k = snake.size() - 1; gotoxy(snake[k].position_x, snake[k].position_y); cout << " "; //蛇每移动一次（即一格），就把上一次画出来的蛇尾擦掉 } void draw_Food() //画食物 { while (1) { food_x = rand() % (width - 4) + 2; //食物要在地图中，不能再地图边框上，地图的符号在x方向占两个字符位置所以+2，而-4则是减去边框 food_y = rand() % (height - 2) + 1; //与上同理 if (wrong_Location() && food_x % 2 == 0) break; } gotoxy(food_x, food_y); cout <= 2) { deque::iterator iter = snake.begin() + 1; //实际就是把snake容器里第一个（即蛇头）存在iter里 int x = (iter - 1)->position_x, y = (iter - 1)->position_y; for (; iter != snake.end(); ++iter) { if (iter->position_x == x && iter->position_y == y) //蛇头不能撞自身 snake_state = false; } } if(snake[0].position_x == 1 || snake[0].position_x == 59 || snake[0].position_y == 0 || snake[0].position_y == 30) //蛇头不能撞边框 snake_state = false; } void key_Down() //按键响应 { char key = hit; if (_kbhit()) //接受按键 hit = _getch(); for (int i = snake.size() - 1; i > 0; i--) //蛇的移动方法，每移动一次，后面一节的身体到了它的前一节身体上 { snake[i].position_x = snake[i - 1].position_x; snake[i].position_y = snake[i - 1].position_y; } if ((hit == 'a' || hit == 'A') && hit != 'd') { hit = 'a'; snake[0].position_x--; } else if ((hit == 'd' || hit == 'D') && hit != 'a') { hit = 'd'; snake[0].position_x++; } else if ((hit == 'w' || hit == 'W') && hit != 's') { hit = 'w'; snake[0].position_y--; } else if ((hit == 's' || hit == 'S') && hit != 'w') { hit = 's'; snake[0].position_y++; } } void show() { gotoxy(65, 0); cout << "你的得分是:"; gotoxy(71, 1); cout << score; gotoxy(69, 2); cout << "关卡:" << level; } }; Game::Game() { HideCursor(); srand(static_cast(time(NULL))); //随机数种子 init_snake(); draw_Food(); Snake tail; //蛇尾 while (1) { draw_Frame(); tail = snake.back(); if (eat_Food) { snake.back().body = 'o'; //把初始化蛇的空尾显示化为o，看到的效果就是加了一节 snake.push_back(tail); //再添加一节空尾，便于下次操作 gotoxy(food_x, food_y); cout << " "; //食物被吃后要在原来的位置画空，否则光标会退位，导致边框错位 draw_Food(); score++; if (score % 5 == 0) { speed *= 0.8; level++; } eat_Food = false; } if (level == 10) break; key_Down(); draw_Snake(); judge_state(); if (!snake_state) break; judge_eatFood(); Sleep(speed); clear_Tail(); show(); } } int main() { system("mode con cols=100 lines=40"); //设置打开窗口大小 system("color 7C"); //设置背景色和前景色 system("title 贪吃蛇 v1.0"); 设置窗口标题 Game game; gotoxy(0, 32); cout << "Game over!" << endl; }