Pong.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#define y 20
#define x 70
int main()
{
    int i=0,j=0,ball_x=x/2,ball_y=y/2,p1_ini=7,p1_end=y-7,p2_ini=7,p2_end=y-7,control=0,move;
    int movementballx=1,movementbally=1,pointsp1=0,pointsp2=0;
    char field[y][x];
    system("color 70");
    srand(time(NULL));
    printf ("To start playing the game enter 1: \n");
    scanf ("%d", &control);
    do{
        //Sleep(35);
        system ("cls");
        //Field configuration
        for (i=0;i<y;i++){
            for (j=0;j<x;j++){
                field[i][j]=' ';
                if (j==(x-1))
                    field[i][j]='*';
                if (j==0)
                    field[i][j]='*';
                if (i==(y-1))
                    field[i][j]='*';
                if (i==0)
                    field[i][j]='*';
            }
        }
        //Ball configuration and ball movement
        field[ball_y][ball_x]='o';
        ball_x+=movementballx;
        ball_y+=movementbally;
        if (ball_x==1){
            movementballx*=-1;
            pointsp2++;
            ball_x=x/2;
            ball_y=((rand()%17)+1);
            movementballx*=-1;
        }
        if (ball_x==x-1){
            movementballx*=-1;
            pointsp1++;
            ball_x=x/2;
            ball_y=((rand()%17)+1);
            movementballx*=-1;
        }
        if ((ball_y==y-2) || (ball_y==1)){
            movementbally*=-1;
        }
        if ((ball_x==2) && (ball_y==p1_ini || ball_y==p1_ini+1 || ball_y==p1_ini+2 || ball_y==p1_ini+3 || ball_y==p1_ini+4 || ball_y==p1_ini+5 || ball_y==p1_end)){
            movementballx*=-1;
        }
        if ((ball_x==x-3) && (ball_y==p2_ini || ball_y==p2_ini+1 || ball_y==p2_ini+2 || ball_y==p2_ini+3 || ball_y==p2_ini+4 || ball_y==p2_ini+5 || ball_y==p2_end)){
            movementballx*=-1;
        }
        //Players configuration
        for (i=p1_ini;i<=p1_end;i++){
            field[i][2]='|';
        }
        for (i=p2_ini;i<=p2_end;i++){
            field[i][x-3]='|';
        }
        //Keys configuration
        if(kbhit()==1) {
            move=getchar();
            switch(move){
                case 'w':
                    if(p1_ini!=1) {
                        p1_end-=1;
                        p1_ini-=1;
                    }
                break;
                case 's':
                    if(p1_end!=y-2){
                        p1_end+=1;
                        p1_ini+=1;
                    }
                case 'i':
                    if(p2_ini!=1) {
                        p2_end-=1;
                        p2_ini-=1;
                    }
                break;
                case 'k':
                    if(p2_end!=y-2){
                        p2_end+=1;
                        p2_ini+=1;
                    }
                break;
            }
       }
        for (i=0;i<y;i++){
            printf ("\n");
            for (j=0;j<x;j++){
                printf ("%c", field[i][j]);
            }
        }
        printf ("\nScores: \n");
        printf ("Player 1: %d\n", pointsp1);
        printf ("Player 2: %d\n", pointsp2);
    }while (control!=0);
}