Note.ms

//贪吃蛇
#include <iostream>
#include <conio.h>   
#include <windows.h> 
#include <cstdlib>  
#include <ctime>

using namespace std;
bool gameOver;         
const int width = 20;  
const int height = 10;  
int x, y;             
int fruitX, fruitY;    
int score;             
int tailX[100], tailY[100];
int nTail; 
enum eDirection { STOP = 0, LEFT, RIGHT, UP, DOWN };
eDirection dir;
void Setup() {
    gameOver = false;
    dir = STOP;
    x = width / 2;
    y = height / 2;
    srand(static_cast<unsigned int>(time(NULL)));
    fruitX = rand() % width;
    fruitY = rand() % height;
    score = 0;
    nTail = 0;
}
void Draw() {
    system("cls");
    for (int i = 0; i < width + 2; i++)
        cout << "■";
    cout << endl;
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            if (j == 0)
                cout << "■";
            if (i == y && j == x)
                cout << "●";
            else if (i == fruitY && j == fruitX)
                cout << "★";
            else {
                bool print = false;
                for (int k = 0; k < nTail; k++) {
                    if (tailX[k] == j && tailY[k] == i) {
                        cout << "●";
                        print = true;
                    }
                }
                if (!print)
                    cout << " ";
            }
            if (j == width - 1)
                cout << "■";
        }
        cout << endl;
    }
    for (int i = 0; i < width + 2; i++)
        cout << "■";
    cout << endl;
    cout << "得分: " << score << endl;
    cout << "操作说明: W(上) A(左) S(下) D(右)  X(退出)" << endl;
}
void Input() {
    if (_kbhit()) {
        switch (_getch()) {
            case 'a':
                if (dir != RIGHT) dir = LEFT; 
                break;
            case 'd':
                if (dir != LEFT) dir = RIGHT;
                break;
            case 'w':
                if (dir != DOWN) dir = UP;    
                break;
            case 's':
                if (dir != UP) dir = DOWN;
                break;
            case 'x':
                gameOver = true;
                break;
        }
    }
}
void Logic() {
    int prevX = tailX[0];
    int prevY = tailY[0];
    int prev2X, prev2Y;
    tailX[0] = x;
    tailY[0] = y;
    for (int i = 1; i < nTail; i++) {
        prev2X = tailX[i];
        prev2Y = tailY[i];
        tailX[i] = prevX;
        tailY[i] = prevY;
        prevX = prev2X;
        prevY = prev2Y;
    }
    switch (dir) {
        case LEFT:
            x--;
            break;
        case RIGHT:
            x++;
            break;
        case UP:
            y--;
            break;
        case DOWN:
            y++;
            break;
        default:
            break;
    }
    if (x > width - 1 || x < 0 || y > height - 1 || y < 0)
        gameOver = true;
    for (int i = 0; i < nTail; i++) {
        if (tailX[i] == x && tailY[i] == y)
            gameOver = true;
    }
    if (x == fruitX && y == fruitY) {
        score += 10; 
        fruitX = rand() % width;
        fruitY = rand() % height;
        nTail++;     
    }
}
int main() {
    Setup();
    while (!gameOver) {
        Draw();
        Input();
        Logic();
        Sleep(150); 
    }
    system("cls");
    cout << "============================" << endl;
    cout << "         游戏结束！         " << endl;
    cout << "============================" << endl;
    cout << "你的最终得分: " << score << endl;
    cout << "是否重新开始？(Y/N): ";
    char choice;
    cin >> choice;
    if (choice == 'Y' || choice == 'y') {
        main(); 
    } else {
        cout << "感谢游玩！" << endl;
    }

return 0;
}

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