说明：  I have just written this to acompany the asteroids example program. Its a simple PURE VB APP, no api or directx etc. Simply shoot the moving baddies, they stop at random intervals at this time they cannot be shot. So its a bit more strategic than the usual missile command. It has still got a few bugs in it so if you feel like fixing it. Go right ahead. You can use any bits of this code in your program as you wish. NOTE: we have to drawover the lines with black lines (as you will see in this code) because if we just use FORM1.REFRESH the screen flickers to violently and we cant see any of the baddies.
(I have just written this to acompany the asteroids example program. Its a simple PURE VB APP, no api or directx etc. Simply shoot the moving baddies, they stop at random intervals at this time they cannot be shot. So its a bit more strategic than the usual missile command. It has still got a few bugs in it so if you feel like fixing it. Go right ahead. You can use any bits of this code in your program as you wish. NOTE: we have to drawover the lines with black lines (as you will see in this code) because if we just use FORM1.REFRESH the screen flickers to violently and we cant see any of the baddies. )