[quake2] Highly erratic mouse behavior

Anders Storsveen wakko at generation.no
Fri Mar 18 17:53:55 EST 2005

bump, check out the demo.

On Fri, 18 Mar 2005 01:24:05 +0100, Anders Storsveen <wakko at generation.no>  

> heres the demo, it actually didnt seem mouse acceleration was on in q2
> now. but its still definantly on in q3...
> On Thu, 17 Mar 2005 21:52:47 +0100, Anders Storsveen  
> <wakko at generation.no>
> wrote:
>> On Thu, 17 Mar 2005 12:49:51 +0100, Julien Langer <jlanger at zigweb.de>
>> wrote:
>>> On Sa, 2005-03-12 at 17:35 +0100, Anders Storsveen wrote:
>>>> I'm 100% sure that this problem is mouse accelleration related. I have
>>>> been whining about this for years now, linux
>>>> seems to have mouse accelleration that is impossible to turn off...
>>>> It's
>>>> like this in every game! I've posting
>>>> around the net on this, and no one seems to figure it out.
>>>> I've done xset m 0 0 and set the mouseaccel to 1x in kde. but nothing
>>>> works.
>>>> If you try to move the mouse very slowly you will get the following
>>>> artifacts, in SDL you will get no or slow
>>>> movment, and in glx you will get negative movment and if you speed up  
>>>> a
>>>> little you will get zero movment and then
>>>> correct movment again. I'm definantly sure that this is some problem
>>>> with
>>>> how X or some other backend handles mouse
>>>> and mouse accelleration. I'm also betting that, in regular x with  
>>>> mouse
>>>> acceleration set to "off" there is still
>>>> mouse acceleration, even though it is hard to detect.
>>>> If someone made an app that compared raw mouse input to the length
>>>> actually moved on the desktop I'm sure the
>>>> length would change dependant on the speed, even though the physical
>>>> length moved stays the same. But what I'm sure
>>>> of is that mouse acceleration in the game is what this problem is, it
>>>> also
>>>> affects other games including quake3!
>>>> It's stupid to have to dualboot to windows to play games that are
>>>> native
>>>> in linux and performes very well (and even
>>>> better in the case of q3) in linux when compared to windows.
>>> Hi,
>>> I don't see such a behavior on my machine.
>>> No matter how fast I move the mouse, the distance it covers is always
>>> the same... in q2 and in q3.
>>> And I have even enabled mouse acceleration in Gnome.
>>> But it's true that there's no movement with SDLGL if the mouse is moved
>>> very slow.
>> wel, that would seem that you have acceleration, only its constant at
>> higher speeds. Do you have the negative movement when moving really slow
>> with glx?
>> btw: I could make a demo for you guys to show what I mean.

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