Snake

#include <iostream>
#include <stdlib.h>
#include <conio.h>
#include <windows.h>
using namespace std;
bool gameOver;
const int width=20;
const int height=20;
int x,y,fruitX,fruitY,score;
enum eDirecton{STOP=0,LEFT,RIGHT,UP,DOWN};
eDirecton dir;
void setup()
{
    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<width+2;i++)
    cout<<"#";
    cout<< endl;

    for(int i=0;i<width;i++)
    {


        for(int j=0;j<width;j++)
    {
        if(j==0)
            cout <<"#";
        if(i==y&&j==x)
        cout <<"O";
        else if(i==fruitY&&j==fruitX)
            cout <<"F";
        else
            cout<<" ";
        if(j==width-1)
            cout <<"#";

    }
      cout <<endl;
    }



for(int i=0;i<height+2;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()
{
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;
    if(x>=width)x=0; else if(x<0)x=width-1;
    if(y>=height)y=0; else if(y<0)y=height-1;
if(x==fruitX&&y==fruitY)
    {score++;
    fruitX=rand()%width;
    fruitY=rand()%height;}


}
int main()
{
 setup();
 while(!gameOver)
 {
     draw();

     input();
     logic();
    Sleep(100);
 }

    return 0;
}