How do I prevent a Key being pressed down all the time?

[Andres Martinez]

Hello William

An easier way to use the arrow keys is whit the "arrowKey" handler.  
But unfortunately it keeps being sent while the key is pressed.

What you need is a way to check for the key being released. The  
following code will do the trick

ON arrowKey theKey
    if (theKey = "Right") and (not pressed) then
      move img "dummy" relative 30,0
       put true into pressed
    end if
END arrowKey

ON rawKeyUp keycode
    if keycode = 65363 then put false into pressed
end rawKeyUp

Regards,
Andres Martinez
www.baKno.com

On Sep 27, 2008, at 7:32 AM, William de Smet wrote:

> Hello all,
>
> For my little son (4 years of age) I am making a little car game in
> which he can move a car around the screen using the arrowkeys.
> I made a few obstakels (walls) so he has to move around them but when
> he hits them he is send back to the beginposition.
> Not to difficult for me to make :-)  and a lot of joy for him!!
>
> But now I found a 'bug' in my own game :-(
> When you keep the arrowkeys pressed down (instead of just one press)
> and hits an obstakel there is now hit and he is not send back to the
> beginposition.
> How do I prevent this?
>
> I use the following:
> if theKeyNumber is 65363 --rechts
> then move img "dummy" relative 30,0
>
> if intersect (img "dummy", grc "muur")
> then send mouseup to btn "start" -- btn start send the car beck to its
> beginposition
>
> Thanks!
>
> William
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