[Gambas-user] Problem with event parameters...

[Benoit Minisini]

Le Jeudi 2 Octobre 2003 23:34, daniel a écrit :
> Hi all
>
> > I think there is a problem with the CPU charge. I've the same problem
> > with my bomberman, gambas use all (or near) the cpu time.
> >
> > Is that normal ?
> >
> > Fabien
>
> It is normal in any language (Gambas, VB, even C or C++) :
>
> Event loop --> large proccess --> next event loop
>
>    (CPU 0%)       (CPU 100%)        (CPU 0%)
>
> You can "emulate" this effect using Visual Basic:
>
>
> Public sub Do_Anything()
>
> 	Do While (True)
> 	Loop
> End Sub
>
> If you compile and execute this code using VB, you can
> see a 100% of CPU usage, even, in some cases, other
> tasks that needs to scan some resources like RS-232,
> can fail due to this silly program.
>
>  The first solution (in VB) seems to be:
>
> Public sub Do_Anythig()
>
> 	Do While (True)
> 		DoEvents
> 	Loop
>
> End Sub
>
>  But it really does not work!
>
>  The solution in use is:
>
> Public sub Do_Anythig()
>
> 	Do While (True)
> 		Sleep(1)  ' Calling to API
> 		DoEvents
> 	Loop
>
> End Sub
>
>
> In Gambas you can use a similar way : use Wait(1) which sleeps
> proccess for a milisecond, so CPU usage will be near of zero!
>
> This problem is matter of Operating System, not Gambas...
>
>
> Regards,
>
> Daniel Campos
>
> El jue, 02-10-2003 a las 21:04, Fabien BODARD escribió:
> > Le Dimanche 28 Septembre 2003 22:36, Marco Bauer a écrit :
> > > Hi Fabien,
> > >
> > > I originally wrote this program under gambas 0.65a and since then
> > > (gambas 0.70a) the handling of mouse-events has changed (I don't know
> > > if I mentioned it in my first mail concerning gcollider, but you can
> > > rotate the view by pressing the left mouse button in the main window
> > > and move it around). Attached to this mail you find the tar-ball for
> > > the changed gcollider source which should work under gambas 0.70a -- it
> > > certanly worked for me.
> > >
> > > Have fun.
> > > Marco
> > >
> > > Am Sonntag, 28. September 2003 22:06 schrieb Fabien BODARD:
> > > > Hi Benoit
> > > >
> > > > I've trying to test the gcollider, it's really pretty and work fine
> > > > with gambas-0.65a... but no with gambas-0.70a... a BUG in gambas ?...
> > > > benoit?
> > > >
> > > > gambas say for all event :
> > > >
> > > > too many parameter.. so i try to use the event menu in editing form
> > > > to see what it put in the editor for key_press :
> > > >
> > > > Form_MouseMove() and not Form_MouseMove(X AS Integer, Y AS Integer,
> > > > Button AS Integer)
> > > >
> > > > I think there is a little big problem here no ?
> > > >
> > > > ;-)
> > > >
> > > > ++
> >

In fact, Bomberman drawing loop must call Draw.End once, because each time 
Draw.End is called, the entire window pixmap cache is refreshed, and it takes 
time ! Try to ensure that all the Picture objects you use to draw the game 
have the "Pixmap" type. Tell me the result !

Regards,

-- 
Benoit Minisini
mailto:gambas at ...1...