snake_game.c

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <conio.h>
#include<time.h>
#include<ctype.h>
#include <time.h>
#include <windows.h>
#include <process.h>
 
#define UP 72
#define DOWN 80
#define LEFT 75
#define RIGHT 77
 
int length;
int bend_no;
int len;
char key;
void record();
void load();
int life;
void Delay(long double);
void Move();
void Food();
int Score();
void Print();
void gotoxy(int x, int y);
void GotoXY(int x,int y);
void Bend();
void Boarder();
void Down();
void Left();
void Up();
void Right();
void ExitGame();
int Scoreonly();
 
struct coordinate{
    int x;
    int y;
    int direction;
};
 
typedef struct coordinate coordinate;
 
coordinate head, bend[500],food,body[30];
 
/*int main()
{
 
    char key;
 
    Print();
 
    system("cls");
 
    load();
 
    length=5;
 
    head.x=25;
 
    head.y=20;
 
    head.direction=RIGHT;
 
    Boarder();
 
    Food(); //to generate food coordinates initially
 
    life=3; //number of extra lives
 
    bend[0]=head;
 
    Move();   //initialing initial bend coordinate
 
    return 0;
 
}*/
 
void Move()
{
    int a,i;
 
    do{
 
        Food();
        fflush(stdin);
 
        len=0;
 
        for(i=0;i<30;i++)
 
        {
 
            body[i].x=0;
 
            body[i].y=0;
 
            if(i==length)
 
            break;
 
        }
 
        Delay(length);
 
        Boarder();
 
        if(head.direction==RIGHT)
 
            Right();
 
        else if(head.direction==LEFT)
 
            Left();
 
        else if(head.direction==DOWN)
 
            Down();
 
        else if(head.direction==UP)
 
            Up();
 
        ExitGame();
 
    }while(!kbhit());
 
    a=getch();
 
    if(a==27)
 
    {
 
        system("cls");
 
        exit(0);
 
    }
    key=getch();
 
    if((key==RIGHT&&head.direction!=LEFT&&head.direction!=RIGHT)||(key==LEFT&&head.direction!=RIGHT&&head.direction!=LEFT)||(key==UP&&head.direction!=DOWN&&head.direction!=UP)||(key==DOWN&&head.direction!=UP&&head.direction!=DOWN))
 
    {
 
        bend_no++;
 
        bend[bend_no]=head;
 
        head.direction=key;
 
        if(key==UP)
 
            head.y--;
 
        if(key==DOWN)
 
            head.y++;
 
        if(key==RIGHT)
 
            head.x++;
 
        if(key==LEFT)
 
            head.x--;
 
        Move();
 
    }
 
    else if(key==27)
 
    {
 
        system("cls");
 
        exit(0);
 
    }
 
    else
 
    {
 
        printf("\a");
 
        Move();
 
    }
}