C++贪吃蛇

#include
#include
#include
#include
#include

using namespace std;
bool gameOver;
const int width = 20;
const int height = 20;
int x, y, fruitX, fruitY, score;
enum eDirection { STOP = 0, LEFT, RIGHT, UP, DOWN };
eDirection dir;
int tailX[100], tailY[100];
int nTail;
void Setup()
{
	srand(static_cast(time(NULL)));
	gameOver = false;
	dir = STOP;
	x = width / 2;
	y = height / 2;
	fruitX = rand() % width;
	fruitY = rand() % height;
	score = 0;
}
void Draw()
{
	system("cls");
	for (int i = 0; i < height+1; 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 << "o";
						print = true;
					}
					
				}
				if (!print)
					cout << ' ';
				
			}
			if (j == width - 1)cout << "#";
		}
		cout << endl;
	}

	for (int i = 0; i < width+1; i++)
		cout << "#";
	cout << endl;
	cout << "Score:" << score << endl;
}
void Input()
{
	if (_kbhit())
	{
		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;
	default:
		break;
	}
	if (x > width || x<0 || y>height || 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++;
	}
}
void hide()
{
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
	CONSOLE_CURSOR_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

}
int main()
{
	Setup();
	while (!gameOver)
	{
		hide();
		Draw();
		Input();
		Logic();
		Sleep(15);
	}
}