1. Keyboard Trapper
When programming a game in dos, (ex.exe) I found that when you call
get_key() it will only return the last key pressed. That is all well and
good for simple things.
However, in say a driving game the user will want to hold the
accelerator on whilst going round a corner (ie need two keys at once
reported).
The perfect solution would be a function that returned a string
containing all keys being held down at that time, and something that would
detect the shift, ctrl etc keys (maybe have special codes for them). I.e.
code
...
s = get_key_string() --s is now a sequence
if find(UP, s) then
accel()
elsif find(DOWN, s) then
brake()
elsif find(LEFT, s) then
turn(-1)
elsif find(RIGHT, s) then
turn(1)
end if
...
/code
Now does any such function exist? or anything like it?
I also need a function like that for a virtual perkins brailler that I am
working on.
=====================================================
.______<-------------------\__
/ _____<--------------------__|===
||_ <-------------------/
\__| Mr Trick
2. Re: Keyboard Trapper
Have a look at Michael Bolin's keyboard handler in the Archives,
keyread.zip. It contains a single file, module keyread.e.
jiri
----- Original Message -----
From: <mistertrik at hotmail.com>
To: "EUforum" <EUforum at topica.com>
Subject: Keyboard Trapper
>
> When programming a game in dos, (ex.exe) I found that when you call
> get_key() it will only return the last key pressed. That is all well and
> good for simple things.
> However, in say a driving game the user will want to hold the
> accelerator on whilst going round a corner (ie need two keys at once
> reported).
> The perfect solution would be a function that returned a string
> containing all keys being held down at that time, and something that would
> detect the shift, ctrl etc keys (maybe have special codes for them). I.e.
>
> code
> ...
> s = get_key_string() --s is now a sequence
> if find(UP, s) then
> accel()
> elsif find(DOWN, s) then
> brake()
> elsif find(LEFT, s) then
> turn(-1)
> elsif find(RIGHT, s) then
> turn(1)
> end if
> ...
> /code
>
> Now does any such function exist? or anything like it?
> I also need a function like that for a virtual perkins brailler that I am
> working on.
> =====================================================
> .______<-------------------\__
> / _____<--------------------__|===
> ||_ <-------------------/
> \__| Mr Trick
>
>
>
>
