C++面向对象贪吃蛇全部代码

好的，以下是一个简单的C++面向对象贪吃蛇游戏的完整代码：

#include <iostream>
#include <vector>
#include <cstdlib>
#include <ctime>
#include <conio.h>

using namespace std;

class Snake {
public:
    vector<pair<int, int>> body;
    int length;
    int direction;

    Snake(int x, int y, int len, int dir) {
        length = len;
        direction = dir;
        for (int i = 0; i < len; i++) {
            body.push_back(make_pair(x - i, y));
        }
    }

    void move() {
        pair<int, int> head = body[0];
        switch (direction) {
            case 0: // Up
                head.second--;
                break;
            case 1: // Down
                head.second++;
                break;
            case 2: // Left
                head.first--;
                break;
            case 3: // Right
                head.first++;
                break;
            default:
                break;
        }
        body.insert(body.begin(), head);
        body.pop_back();
    }

    bool is_dead(int width, int height) {
        pair<int, int> head = body[0];
        if (head.first < 0 || head.first >= width || head.second < 0 || head.second >= height) {
            return true;
        }
        for (int i = 1; i < body.size(); i++) {
            if (head == body[i]) {
                return true;
            }
        }
        return false;
    }

    void eat() {
        pair<int, int> head = body[0];
        switch (direction) {
            case 0: // Up
                head.second--;
                break;
            case 1: // Down
                head.second++;
                break;
            case 2: // Left
                head.first--;
                break;
            case 3: // Right
                head.first++;
                break;
            default:
                break;
        }
        body.insert(body.begin(), head);
        length++;
    }
};

class Food {
public:
    pair<int, int> position;

    Food() {
        position = make_pair(0, 0);
    }

    void generate(int width, int height) {
        srand(time(NULL));
        position.first = rand() % width;
        position.second = rand() % height;
    }
};

class Game {
public:
    int width;
    int height;
    Snake snake;
    Food food;

    Game(int w, int h) {
        width = w;
        height = h;
        snake = Snake(width / 2, height / 2, 3, 3);
        food = Food();
    }

    void init() {
        snake = Snake(width / 2, height / 2, 3, 3);
        food.generate(width, height);
    }

    void run() {
        char key = ' ';
        while (key != 'q') {
            system("cls");
            // Draw the map
            for (int i = 0; i < height; i++) {
                for (int j = 0; j < width; j++) {
                    if (i == 0 || i == height - 1 || j == 0 || j == width - 1) {
                        cout << "*";
                    } else if (snake.body[0] == make_pair(j, i)) {
                        cout << "O";
                    } else if (food.position == make_pair(j, i)) {
                        cout << "X";
                    } else {
                        bool is_body = false;
                        for (int k = 1; k < snake.body.size(); k++) {
                            if (snake.body[k] == make_pair(j, i)) {
                                cout << "o";
                                is_body = true;
                                break;
                            }
                        }
                        if (!is_body) {
                            cout << " ";
                        }
                    }
                }
                cout << endl;
            }
            // Handle user input
            if (_kbhit()) {
                key = _getch();
                switch (key) {
                    case 'w':
                        if (snake.direction != 1) {
                            snake.direction = 0;
                        }
                        break;
                    case 's':
                        if (snake.direction != 0) {
                            snake.direction = 1;
                        }
                        break;
                    case 'a':
                        if (snake.direction != 3) {
                            snake.direction = 2;
                        }
                        break;
                    case 'd':
                        if (snake.direction != 2) {
                            snake.direction = 3;
                        }
                        break;
                    default:
                        break;
                }
            }
            // Move the snake
            snake.move();
            // Check if the snake is dead
            if (snake.is_dead(width, height)) {
                cout << "Game over!" << endl;
                break;
            }
            // Check if the snake eats the food
            if (snake.body[0] == food.position) {
                snake.eat();
                food.generate(width, height);
            }
            // Sleep for a while
            Sleep(100);
        }
    }
};

int main() {
    Game game(20, 10);
    game.init();
    game.run();
    return 0;
}

这个代码实现了一个基本的贪吃蛇游戏，包含了移动、判断死亡、吃到食物等功能。你可以根据需要进一步扩展和优化。