[ODE] Vehicle Gears/DriveDrain/Engine techniques.

Matt Barnett gunther at dial.pipex.com
Tue Apr 15 10:59:03 2003


----- Original Message -----
From: "Jeff Weber" <jeffreyweber@hotmail.com>
To: <ode@q12.org>
Sent: Tuesday, April 15, 2003 4:56 PM
Subject: [ODE] Vehicle Gears/DriveDrain/Engine techniques.


> I'm soon to be creating the engine/drivetrain for my vehicles.  Looking
for
> any techniques others have used.
>
> Has anyone had any luck simulating gears using real torque curves?  In
other
> words, if all the units for my vehicle are correct, and I apply drive
torque
> derived from real torque curves and gear ratios, will the vehicle behave
> realistically.
>
> I think in theory it should but was wondering if anyone has done it.
>
> Also, how is DesiredVelocity handled in this situation. Is it acceptable
to
> just make DesiredVelocity some arbitrarily large value and let the max
> vehicle speed be limited by different drag/resistance forces?
>
> -jeff

I've never found any good data to generate a real torque-curve, so in my
game I use a simulated curve based on a sin function, it worked ok for my
purposes, but probably isn't suitable for a simulation style game.

Regards
Matt Barnett