PROGRAM FOR RECTANGLE ANIMATION IN COMPUTER GRAPHICS..

//program for rectangle animation//
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
#include<dos.h>
void main()
{
int i,c=1,x,y,gd=DETECT,gm;
initgraph(&gd,&gm,"c:\\tc\\bgi");
setcolor(GREEN);
setwritemode(1);
rectangle(250,200,350,300);
do
{
c %= 51;
setcolor(RED);
rectangle(250+c,200+c,350-c,300-c);
delay(50);
c +=1;
}while(!kbhit());
getch();
closegraph();
}