Animation (C with Graphics)

#include<conio.h>

#include<stdio.h>

#include<graphics.h>

#include<stdlib.h>

 

void main()

{

  int p,q,r;

  int x,y;

  int gdriver=DETECT, gmode;

  initgraph(&gdriver, &gmode, "C:\\TC\\BGI");

  while(!kbhit())

  {

    x=getmaxx()/2;

    y=getmaxy()/2;

    for(q=1;q<15;q++)

    {

      setcolor(q);

      for(p=400;p>1;p--)

      {

       circle(x,y,p);

      }

      setcolor(q+2);

      for(r=1;r<400;r++)

     {

      circle(x,y,r);

     }

    }

  }

  getch();

}