Thanks sir that solved my problem...!!

  
On Tue, Dec 22, 2009 at 1:51 PM, Asad Abbas <cyberstudent99@ yahoo.com> wrote:

> the problem is that the loop stops on this line untill the user presses the 
> key.. and as a result ball stops moving.. and ball only moves when the user 
> press a key...

You need either a separate thread to handle the ball, or a
non-blocking function for user input.
<http://www.simonhuggins.com/courses/cbasics/course_notes/snake.htm>
would suggest code along the lines of:

if (kbhit()){
movebat(getch( ));
}

-- 
PJH

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