C++ Graphics Project to Build Colorful Moving Balls Screen Saver in Command Line

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C++ Graphics Project to Build Colorful Moving Balls Screen Saver in Command Line

#include<graphics.h>
#include<dos.h>
#include<conio.h>
#include<stdlib.h>
#define DELAY 1
#define SOUND 3500
void state(int x,int y,int mode);
int i;
void *ptr1[4],*ptr2[4];
/* 3d Ball */
char ball[20][20]=
{
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,12,12,12,12,12,12,12,12,0,0,0,0,0,0},
{0,0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,0,0},
{0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0,0},
{0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0},
{0,0,12,12,12,12,12,15,15,12,12,12,12,12,12,12,12,12,0,0},
{0,12,12,12,12,12,15,12,12,12,12,12,12,12,12,12,12,12,12,0},
{0,12,12,12,12,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0},
{0,12,12,12,15,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0},
{0,12,12,12,15,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0},
{0,12,12,12,15,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0},
{0,12,12,12,12,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0},
{0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0},
{0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0},
{0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0},
{0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0},
{0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0,0},
{0,0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,0,0,0,0},
{0,0,0,0,0,0,12,12,12,12,12,12,12,12,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
};
/* Condition to check out of range */
int COND(int x,int y)



{
    if (x>10 && x<getmaxx()-10 && y>10 && y<getmaxy()-10)
        return 1;
    else
        return 0;
}
/* This sub-routine will check which path to follow on stiking the wall
of
the container */
void state(int x,int y,int mode)
{
    while(COND(x,y)&&!kbhit())
    {
        putimage(x,y,ptr1[4],COPY_PUT);
        putimage(getmaxx()-x,getmaxy()-y,ptr1[4],COPY_PUT);
        switch(mode)
        {
            case 0:
                x++;
                y++;
                break;
            case 1:
                x++;
                y--;
                break;
            case 2:
                x--;
                y++;
                break;
            case 3:
                x--;
                y--;
                break;
        }
        delay(DELAY);
        nosound();
        putimage(x,y,ptr2[4],COPY_PUT);
        putimage(getmaxx()-x,getmaxy()-y,ptr2[4],COPY_PUT);
    }
    cleardevice();
    if(x>=(getmaxx()-10)||x<=10)
    {
        sound(SOUND);
        switch(mode)
        {
            case 0:
                state(--x,--y,2);
                break;
            case 1:
                state(--x,++y,3);
                break;
            case 2:
                state(++x,--y,0);
                break;
            case 3:
                state(++x,++y,1);
                break;
        }
    }
    else
    if(y>=getmaxy()-10||y<=10)
    {
        sound(SOUND);
        switch(mode)
        {
            case 0:
                state(--x,--y,1);
                break;
            case 1:
                state(--x,++y,0);
                break;
            case 2:
                state(++x,--y,3);
                break;
            case 3:
                state(++x,++y,2);
                break;
        }
    }
    else
        exit(0);
}
void main()
{
    int gm,gd=DETECT;
    int i,j;
    initgraph(&gd,&gm,"\tc\tc\bgi");
    for(i=0;i<20;i++)
        for(j=0;j<20;j++)



            if(ball[i][j]!='0')
                putpixel(10+i,10+j,ball[j][i]);
    getimage(10,10,30,30,ptr1[4]);
    cleardevice();
    getimage(10,10,30,30,ptr2[4]);
    /* start with (20,20) */
    state(20,20,0);
    getch();
}

Ranjith Kumar

Hi, I'm Ranjith a full-time Blogger, YouTuber, Affiliate Marketer, & founder of Coding Diksha. Here, I post about programming to help developers.

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