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List:       opensim-dev
Subject:    [Opensim-dev] interesting physics issue of the day
From:       danbmil99 () yahoo ! com (dan miller)
Date:       2007-10-29 18:14:37
Message-ID: 436229.55157.qm () web51302 ! mail ! re2 ! yahoo ! com
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I thought logons get put at 70 meters for just this reason.  At least that's
how things behave for me -- you start up in the air, and fall to the ground
-- but that usually happens before the client even finishes logging, so you
see yourself standing.

Sounds to me like your avatars are actually falling through the ground.  Are
you using the stock libode.so, or did you build your own?  If the latter,
what version of ODE are you using?

BTW maybe we should have an opensim-bugs list

-danx0r


--- Sean Dague <sean at dague.net> wrote:

> On Mon, Oct 29, 2007 at 10:46:43AM -0400, Sean Dague wrote:
> > I can file this as a mantis, but the fact that mantis email doesn't work
> > is definitely making it's use problematic.
> > 
> > I've got a 4x2 set of regions in 1 simulator.  I'm adding a flat
> > terrain, then doing terrain add 20 on startup.  ODE still believes that
> > flat earth is at 1m, and causes all avatars to fall into the ground when
> > they join.
> 
> Follow up, the following trace ends up with an OpenSim crash:
> 
> ODE INTERNAL ERROR 1: assertion "(nMinX < nMaxX) || (nMinZ < nMaxZ)"
> failed in dCollideHeightfield() [heightfield.cpp]
> Stacktrace:
> 
>   at (wrapper managed-to-native) Ode.NET.d.Collide
>   (intptr,intptr,int,Ode.NET.d/ContactGeom[],int) <0x00004>
>   at (wrapper managed-to-native) Ode.NET.d.Collide
>   (intptr,intptr,int,Ode.NET.d/ContactGeom[],int) <0xffffffff>
>   at OpenSim.Region.Physics.OdePlugin.OdeScene.near
>   (intptr,intptr,intptr) <0x0012a>
>   at (wrapper native-to-managed)
>   OpenSim.Region.Physics.OdePlugin.OdeScene.near (intptr,intptr,intptr)
>   <0xffffffff>
>   at (wrapper managed-to-native) Ode.NET.d.SpaceCollide2
>   (intptr,intptr,intptr,Ode.NET.d/NearCallback) <0x00004>
>   at (wrapper managed-to-native) Ode.NET.d.SpaceCollide2
>   (intptr,intptr,intptr,Ode.NET.d/NearCallback) <0xffffffff>
>   at OpenSim.Region.Physics.OdePlugin.OdeScene.collision_optimized ()
>   <0x00074>
>   at OpenSim.Region.Physics.OdePlugin.OdeScene.Simulate (single)
>   <0x0078f>
>   at OpenSim.Region.Environment.Scenes.Scene.UpdatePhysics (double)
>   <0x00034>
>   at OpenSim.Region.Environment.Scenes.Scene.Update () <0x0019c>
>   at OpenSim.Region.Environment.Scenes.Scene.Heartbeat
>   (object,System.EventArgs) <0x0000b>
>   at (wrapper delegate-invoke)
>   System.MulticastDelegate.invoke_void_object_ElapsedEventArgs
>   (object,System.Timers.ElapsedEventArgs) <0xffffffff>
>   at System.Timers.Timer.Callback (object) <0x002b5>
>   at (wrapper delegate-invoke)
>   System.MulticastDelegate.invoke_void_object (object) <0xffffffff>
>   at (wrapper runtime-invoke) System.Object.runtime_invoke_void_object
>   (object,intptr,intptr,intptr) <0xffffffff>
> 
> 
>     -Sean
> 
> -- 
> __________________________________________________________________
> 
> Sean Dague                                       Mid-Hudson Valley
> sean at dague dot net                            Linux Users Group
> http://dague.net                                 http://mhvlug.org
> 
> There is no silver bullet.  Plus, werewolves make better neighbors
> than zombies, and they tend to keep the vampire population down.
> __________________________________________________________________
> > _______________________________________________
> Opensim-dev mailing list
> Opensim-dev at lists.berlios.de
> https://lists.berlios.de/mailman/listinfo/opensim-dev
> 



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