//Snake game :)
#include<iostream>
#include<graphics.h>
#include<conio.h>
#include<stdlib.h>
using namespace std;
int main()
{
    int gdriver=DETECT,gmode;
    initgraph(&gdriver,&gmode,"c:\\tc\\bgi");
    cleardevice();
    //x and y are for the circle
    int x=300,y=250;
    //x1 and y1 are fo generating foot at random place
     int x1=200,y1=230,food=0;
  //   key is used to take input from KEYBOARD
    char key;
   // a boundry line
    rectangle(100,100,500,400);
     // if x or y exceeds the boundry limit game is out
    while(x>100 && x<500 && y>100 && y<400)
    {
        //these are for generating food at randm pleaces..
       // these 4 conditions are if the circle that is in your ccontrol reaches the food then
       // generate new foot at new place within the boundry
        if(x+1==x1 && y+1==y1 || x-1==x1 && y+1==y1 || x+1==x1 && y-1==y1 || x-1==x1 && y-1==y1)
        {
          //  food counts number of dots accessed
            food++;
            againx:
            x1=rand();
         //   these conditions are for generating food within the boundry
            if(x1<100 || x1>500)
                goto againx;
                againy:
            y1=rand();
            if(y1<100 || y1>400)
                goto againy;
           // this draws a dot for food
          circle(x1,y1,3);
        }
      //  KEYS INFORMATION
        key=getch();
        if(key=='A' || key=='a')//move up
            y--;
        else if(key=='Z'||key=='z')//move right
            x++;
        else if(key=='L' || key=='l')//for left
            x--;
        else if(key=='.')//for downward
            y++;
        cleardevice();
        outtextxy(100,0,"SNAKE GAME BY JAVERIA");

        outtextxy(100,20,"Z to move right");
        outtextxy(100,40,"L to move left");
        outtextxy(100,60,". to move down");
         outtextxy(100,80,"A to move up");
       // boundry line and the circle
        rectangle(100,100,500,400);
         circle(x1,y1,3);
        // you can control the circle of green color to reach to food
         setcolor(2);

        circle(x,y,4);
        setcolor(WHITE);

    }
    outtextxy(100,420,"You are out");
    cout<<"\n\n\n\tYOUR TOTAL SCORES ARE "<<food<<endl<<endl;
//conditions so that the game exit when you press space
  char exitt;
  again:
    exitt=getch();
    if(exitt==32)
         closegraph();
    else
        goto again;

       return 0;

}