[ODE] dTerrain aabb bug (patch info)

gl gl at ntlworld.com
Thu Sep 16 10:03:53 MST 2004


If you're on Windows, let me recommend ToirtoiseCVS 
(http://www.tortoisecvs.org/).  It does the CVS thing integrated into 
Explorer (v. nice), and it can also create patches against CVS files via 
context menus.
--
gl

----- Original Message ----- 
From: "stephane ancelot" <sancelot at free.fr>
To: <ode at q12.org>
Cc: "Geoff Carlton" <gcarlton at iinet.net.au>
Sent: Thursday, September 16, 2004 7:48 AM
Subject: Re: [ODE] dTerrain aabb bug (patch info)


> Hi,
> info on how to create patches
>
> create 2  directories :
> the original source
> the updated source directory
> and type
>
> diff -Urn source updated >mypathc.patch
>
> To apply your patch :
> cd original source
> patch -p1 <mypath.patch
>
> I know there are some gui that may help you in this task.
>
> I hope this helps
> Bye
> steph
>
>
> Le jeudi 16 Septembre 2004 01:00, Geoff C arlton a écrit :
>> There's a subtle problem with dTerrainY and dTerrainZ that just caught
>> me up.
>>
>> Their calculate functions return an aabb bounded by the min and max
>> height, however this can cause problems for flat terrains.  Fast moving
>> objects may penetrate the terrain entirely and then skip the collision
>> due to the aabb test.  The fix is to either return the aabb with some
>> padding in the appropriate dimension, or just return that dimension as
>> -infinity.
>>
>> I'd submit this as a patch, but I'm not sure how to do that. :-)
>>
>> Geoff
>> _______________________________________________
>> ODE mailing list
>> ODE at q12.org
>> http://q12.org/mailman/listinfo/ode
>
> _______________________________________________
> ODE mailing list
> ODE at q12.org
> http://q12.org/mailman/listinfo/ode
> 



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