[Opensim-dev] Questions about Vehicle scripting calls

[James Hughes]

Mike,

I guess that no one that deals with vehicles has taken a look at that 
code in a good while now. Since you have a handle on this from the LSL 
side, why don't you have a look at the OpenSim ODE code for that? I did 
look at it and it looks pretty straightforward. Maybe you can see 
something from that side.

https://github.com/BlueWall/opensim/blob/master/OpenSim/Region/Physics/OdePlugin/ODEDynamics.cs#L824

d is Ode.NET which contains functions found here: 
http://ode-wiki.org/wiki/index.php?title=Manual:_Rigid_Body_Functions

If you see something there, you can submit patches (or hit us with a 
clue stick) and we can get it fixed. It may be as simple as calling 
d.BodyGetRotation and plugging the result into the equation: 
https://github.com/BlueWall/opensim/blob/master/OpenSim/Region/Physics/OdePlugin/ODEDynamics.cs#L845

Thanks!
-BlueWall

On 06/07/2012 03:31 AM, Mike Higgins wrote:
> On 6/6/12 4:30 PM, Brianna wrote:
>> let me remind you OpenSim is not SL.. as such start with a fresh
>> script using X and ODE.
>> over the past years I have seen most vehicle types duplicated by the
>> vehicle creators with and without the vehicle functions.
>> to call the difference a bug is not addressing the solutions.
> I know that OpenSim is not Sl, I am starting with fresh scripts. I would
> love to talk to someone who has made an airplane work. Did they find a
> way to disable the squashing of the Z component of the linear motor? Did
> they do the hack I suggested of using hover height to replace the
> missing linear motor Z values? And when the airplane pitches or rolls,
> the local Z axis decouples from the region Z axis and the angular motor
> should start acting strange. Did they discover that the angular motor
> vector must be multiplied by llGetRot() like I did? And why didn't they
> document this for the next guy?
>
>
>
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