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1. TISHEN #1 · 2026-02-06

   include <bits/stdc++.h>

   include <windows.h>

   include <conio.h>

   using namespace std;

   void gotoxy(int x, int y) {

   COORD pos = { static_cast<SHORT>(x), static_cast<SHORT>(y) };
   SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);
   

   }

   void hidecursor() {

   CONSOLE_CURSOR_INFO info;
   info.dwSize = 100;
   info.bVisible = FALSE;
   SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &info);
   

   } const int WIDTH = 35;

   const int HEIGHT = 22; const int SPEED = 200;

   class SnakeGame {

   private:
   	struct Point {
   		int x, y;
   	};
   
   	deque<Point> snake;
   	Point food;
   	int direction;  // 0:右, 1:下, 2:左, 3:上
   	int score;
   	bool gameover;
   	string gameoverReason;  // 存储游戏结束的原因
   
   	void drawBorder() {
   		// 上边框
   		gotoxy(0, 0);
   		for (int i = 0; i < WIDTH + 2; i++)
   			cout << "#";
   
   		// 左右边框
   		for (int i = 1; i <= HEIGHT; i++) {
   			gotoxy(0, i);
   			cout << "#";
   			gotoxy(WIDTH + 1, i);
   			cout << "#";
   		}
   
   		// 下边框
   		gotoxy(0, HEIGHT + 1);
   		for (int i = 0; i < WIDTH + 2; i++)
   			cout << "#";
   	}
   
   	void generateFood() {
   		bool onSnake;
   		do {
   			onSnake = false;
   			food.x = rand() % WIDTH;
   			food.y = rand() % HEIGHT;
   
   			for (const auto &segment : snake) {
   				if (segment.x == food.x && segment.y == food.y) {
   					onSnake = true;
   					break;
   				}
   			}
   		} while (onSnake);
   
   		gotoxy(food.x + 1, food.y + 1);
   		cout << "@";
   	}
   

   // 检查是否撞墙

   	bool isWallCollision(int x, int y) {
   		return (x < 0 || x >= WIDTH || y < 0 || y >= HEIGHT);
   	}
   

   // 检查是否撞到自己

   	bool isSelfCollision(int x, int y) {
   		for (const auto &segment : snake) {
   			if (segment.x == x && segment.y == y) {
   				return true;
   			}
   		}
   		return false;
   	}
   
   public:
   	SnakeGame() {
   		// 初始化蛇
   		snake.push_back({WIDTH / 2, HEIGHT / 2});
   		direction = 0;
   		score = 0;
   		gameover = false;
   		gameoverReason = "";
   
   		// 初始化随机种子
   		srand(time(NULL));
   
   		// 设置更大的控制台窗口
   		// 宽度 = 游戏区域宽度 + 边框 + 一些额外空间
   		// 高度 = 游戏区域高度 + 边框 + 分数显示区域
   		system("mode con cols=50 lines=30");
   		hidecursor();
   		system("cls");
   
   		// 游戏标题
   		gotoxy((WIDTH + 2) / 2 - 5, 0);
   		cout << "贪吃蛇游戏";
   
   		// 绘制边框
   		drawBorder();
   
   		// 生成第一个食物
   		generateFood();
   
   		// 绘制初始蛇
   		gotoxy(snake[0].x + 1, snake[0].y + 1);
   		cout << "O";
   
   		// 显示分数和操作说明
   		gotoxy(0, HEIGHT + 3);
   		cout << "分数: " << score;
   		gotoxy(0, HEIGHT + 4);
   		cout << "控制: WASD 移动, X 退出";
   		gotoxy(0, HEIGHT + 5);
   		cout << "按任意方向键开始游戏...";
   	}
   
   	void processInput() {
   		if (_kbhit()) {
   			char key = _getch();
   			switch (key) {
   				case 'w':
   				case 'W':
   					if (direction != 1)
   						direction = 3;
   					break;
   				case 's':
   				case 'S':
   					if (direction != 3)
   						direction = 1;
   					break;
   				case 'a':
   				case 'A':
   					if (direction != 0)
   						direction = 2;
   					break;
   				case 'd':
   				case 'D':
   					if (direction != 2)
   						direction = 0;
   					break;
   				case 'x':
   				case 'X':
   					gameover = true;
   					gameoverReason = "你主动退出了游戏";
   					break;
   			}
   		}
   	}
   
   	void update() {
   		// 清除开始提示
   		static bool firstMove = true;
   		if (firstMove && direction != 0) {
   			gotoxy(0, HEIGHT + 5);
   			cout << "                              ";
   			firstMove = false;
   		}
   
   		// 计算新的蛇头位置
   		Point newHead = snake.front();
   		switch (direction) {
   			case 0:
   				newHead.x++;
   				break;  // 右
   			case 1:
   				newHead.y++;
   				break;  // 下
   			case 2:
   				newHead.x--;
   				break;  // 左
   			case 3:
   				newHead.y--;
   				break;  // 上
   		}
   
   		// 检查是否撞墙 - 碰到墙就死
   		if (isWallCollision(newHead.x, newHead.y)) {
   			gameover = true;
   			gameoverReason = "撞墙了！";
   			return;
   		}
   
   		// 检查是否撞到自己
   		if (isSelfCollision(newHead.x, newHead.y)) {
   			gameover = true;
   			gameoverReason = "撞到自己了！";
   			return;
   		}
   
   		// 移动蛇
   		snake.push_front(newHead);
   
   		// 绘制新蛇头
   		gotoxy(newHead.x + 1, newHead.y + 1);
   		cout << "O";
   
   		// 检查是否吃到食物
   		if (newHead.x == food.x && newHead.y == food.y) {
   			score += 10;
   			gotoxy(7, HEIGHT + 3);
   			cout << score;
   			generateFood();
   		} else {
   			// 如果没有吃到食物，移除蛇尾
   			Point tail = snake.back();
   			snake.pop_back();
   			gotoxy(tail.x + 1, tail.y + 1);
   			cout << " ";
   		}
   
   		// 将旧蛇头位置改为蛇身
   		if (snake.size() > 1) {
   			gotoxy(snake[1].x + 1, snake[1].y + 1);
   			cout << "o";
   		}
   	}
   
   	bool isGameOver() const {
   		return gameover;
   	}
   	int getScore() const {
   		return score;
   	}
   	string getGameOverReason() const {
   		return gameoverReason;
   	}
   

   };

   int main() {

   SnakeGame game;
   
   while (!game.isGameOver()) {
   	game.processInput();
   	game.update();
   	Sleep(SPEED);  // 控制游戏速度
   }
   
   system("cls");
   cout << "===== 游戏结束 =====" << endl;
   cout << "最终分数: " << game.getScore() << endl;
   
   string reason = game.getGameOverReason();
   if (!reason.empty()) {
   	cout << "原因: " << reason << endl;
   } else {
   	cout << "游戏结束！" << endl;
   }
   
   cout << "\n按任意键退出...";
   _getch();
   
   return 0;
   

   }