pls modify for me

plz help me guyzz....pls modify this....this code should have two balls and wen they bump each other they go in separate ways....
i need it as soon as possible guyzz help...thanx

Code:

#include<conio.h>
#include<graphics.h>
#include<dos.h>
#include<stdlib.h>
main()
{
 int gdriver=DETECT, gmode, r, col, row, pathx, pathy,speed;
 int forecolor, bkcolor, linecolor;
 initgraph(&gdriver,&gmode,"C:\\TCLITE\\BGI");
 randomize();
 r=random(40)+10;
 col=r+random(640-2*r);
 row=r+random(480-2*r);
 forecolor=random(14)+1;
 bkcolor=random(14)+1;
 linecolor=random(14)+1;
 speed=random(5)+1;
 pathx=(pathy=speed);
 setbkcolor(bkcolor);
 while (!kbhit())
 {
	  col+=pathx;
	  row+=pathy;
	  setcolor(linecolor);
	  circle(col,row,r);
	  setfillstyle(SOLID_FILL,forecolor);
	  floodfill(col,row,linecolor);
	  delay(10);
	  setfillstyle(SOLID_FILL,bkcolor);
	  floodfill(col,row,linecolor);
	  setcolor(bkcolor);
	  circle(col,row,r);
	  col+=pathx;
	  row+=pathy;
	  if (col+r>640) pathx=-(speed);
	  if (row+r>480) pathy=-(speed);
	  if (col-r<0) pathx=speed;
	  if (row-r<0) pathy=speed;
 }
 closegraph();

}

 

i need a code dat has 2 balls coz this code has only one ball and when the 2 balls bump each other they will go in separate way...

 

We cannot give you the complete program for you but if you are stuck at any point then we can help.