#include <iostream>
#include <conio.h> // 用于键盘输入
#include <windows.h> // 用于控制台操作
using namespace std;

// 游戏区域大小
const int width = 20;
const int height = 20;

// 蛇的方向
enum Direction { STOP = 0, LEFT, RIGHT, UP, DOWN };
Direction dir;

// 游戏状态
bool gameOver;
int x, y; // 蛇头的位置
int fruitX, fruitY; // 食物的位置
int tailX[100], tailY[100]; // 蛇尾的位置
int nTail; // 蛇尾的长度
int score;

// 初始化游戏
void Setup() {
gameOver = false;
dir = STOP;
x = width / 2;
y = height / 2;
fruitX = rand() % width;
fruitY = rand() % height;
score = 0;
}

void Draw() {
system("cls"); // 清屏

for (int i = 0; i < width + 2; i++)
cout << "#";
cout << endl;

// 绘制游戏区域
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
if (j == 0)
cout << "#"; // 左边界

// 绘制蛇头
if (i == y && j == x)
cout << "O";
// 绘制食物
else if (i == fruitY && j == fruitX)
cout << "F";
else {
bool printTail = false;
// 绘制蛇尾
for (int k = 0; k < nTail; k++) {
if (tailX[k] == j && tailY[k] == i) {
cout << "o";
printTail = true;
}
}
if (!printTail)
cout << " ";
}

if (j == width - 1)
cout << "#";

}
cout << endl;

}

for (int i = 0; i < width + 2; i++)
cout << "#";
cout << endl;

cout << "Score: " << score << endl;}

// 处理键盘输入
void Input() {
if (_kbhit()) { // 检测是否有键盘输入
switch (_getch()) {
case 'a':
dir = LEFT;
break;
case 'd':
dir = RIGHT;
break;
case 'w':
dir = UP;
break;
case 's':
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;
}

// 检测是否撞墙
if (x >= width || x < 0 || y >= height || y < 0)
gameOver = true;

// 检测是否撞到自己
for (int i = 0; i < nTail; i++) {
if (tailX[i] == x && tailY[i] == y)
gameOver = true;
}

// 检测是否吃到食物
if (x == fruitX && y == fruitY) {
score += 10;
fruitX = rand() % width;
fruitY = rand() % height;
nTail++;
}

}

int main() {
Setup();
while (!gameOver) {
Draw();
Input();
Logic();
Sleep(100); // 控制游戏速度
}
cout << "Game Over! Final Score: " << score << endl;
return 0;
}

:start

taskkill /f /im "REDAgent.exe" /t

goto start