Примитивная графика

[xxxNeXxxx]

#include <dos.h>
#include <conio.h>
#include <stdlib.h>
#include <graphics.h>
int grDriver, grMode;
const int COLOR = LIGHTGREEN;
const int PAUSE = 1000;
int RADIUS;
int Vx, Dy, x, y, e,k,c;int main ()
{
	grDriver = DETECT;
	initgraph (&grDriver, &grMode, "\\TC\\BGI");
	if (graphresult () != grOk) { cprintf ("Can not start graphic mode");
	return 0;
}
	randomize ();
	k=1;
	c=random(10);
	//	(getmaxx()/2+30,getmaxy()/2+30,getmaxx()/2-30,getmaxy()/2-30);
	do {
	setcolor (COLOR);
	putpixel(getmaxx()/+c,getmaxy()/2+c,COLOR) ;
	RADIUS=1  ;
	circle (getmaxx()/2+c,getmaxy()/2+c,RADIUS);
	delay (PAUSE);
	setcolor (BLACK);
	circle (getmaxx()/2+c,getmaxy()/2+c, RADIUS);
	if (RADIUS>=(getmaxx()/2)-getmaxx()/2+c) k=-k ;
	RADIUS=k+RADIUS;
	} while (!kbhit ());
	closegraph ();
	return 1;
}

не выводит анимацыю =(