[PD] Force Feedback Joysticks

[Hans-Christoph Steiner]

Well, I have spent a day or so looking in to coding this and found a 
number of key things:

- someone has snooped the USB messages and made a ForceFeedback library 
for linux (yeah!)

- for Windows, I would use the DirectX DirectInput API.  I think force 
feedback started in DirectX 7.

- As of MacOS X 10.2.3, the driver is included, and the Dec 2002 Dev 
tools have ForceFeedback support as a   	HID device.

The big question remains whether it is possible to control the forces 
directly.  The 'effects' playback is quite easy, but that wouldn't be 
so useful in a pd context.  I am looking into that today.

.hc


On Saturday, Mar 1, 2003, at 07:31 America/New_York, PT147 at mdx.ac.uk 
wrote:

> I brought an M$ force feedback joystick about a year ago, with the
> intension of using it with stuff like pd (and the odd game).  I haven't
> really used it a great deal since then, although I am still interested
> in doing so.  I'm running windows, so if I were to implement anything,
> it would probably be directX flavoured...  Might get linux up and
> running on my machine at some point.  I don't have any real programming
> experience, although I might start dipping my toes in.
>
> The SDK's I've seen for forcefeedback, and the literature on 
> programming
> it, has always worked in terms of playing back specific "effects", like
> samples, rather than just generally having direct dynamic control of
> forces in x and y.  I might be missing something...  Anyway, I guess in
> practical terms of pd externals, we're probably going to need quite
> seperate solutions.  I don't know if the way immersion devices
> communicate is different from microsoft, but clearly windows and mac os
> are going to be different.
>
> Good to hear of someone who's doing this.
>
> Peter
>
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