Ok right- here is my code:




unit frm_main;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls, ComCtrls, Math;

Thank you for your help- I have figured out how to make a ball bounce, there was no thread needed- It was possible with a while loop.

Thanks for the help- I've been told that if I want to have the balls bouncing around in real time, a 'thread' is best- I've done this sort of thing in Gamemaker before, and its easy to do, as...

I would like to write a programme that can demonstrate how gravity work by showing bouncing balls on the screen- the idea is that the user can set the strength of the gravity, and then see how the...