[ODE] Triangle Mesh Creation Time.

[Jaroslav Sinecky]

Hi,

Frédéric Brachfogel wrote:
> Anyone for this no ? Is my question clear ?
>  
> Thank you,
>
>
> F.Brachfogel
>
> --------------------------------------
> Chronophage Games
> 3-5 rue Lashermes
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>     ------------------------------------------------------------------------
>     From: fred3d2 at hotmail.com
>     To: fred3d2 at hotmail.com
>     Subject: RE: [ODE] Triangle Mesh Creation Time.
>     Date: Sat, 9 Jun 2007 14:11:31 +0000
>
>
>
>             Thank you for reply.
>              
>             A simple solution for me is to use custom collision class (?).
>
This is not clear to me .... do you think implementing dynamic trimesh 
collision on your own is a simple solution?
>
>              
>             I have a question about this :
>              
>             The user collision function fills a contact data array.
>             How will the engine (ODE) perform the pose changes on the
>             geom to simulate the contact so that there is no
>             inter-penetrations ? In other terms, how must I fill the
>             contact data ? In the case of patch ?
>
This is covered in ODE documentation, try to search it for 
"dContactGeom". Or even better, read it through before going on with 
some serious ODE development.
>
>              
>             F.Brachfogel
>
>             --------------------------------------
>             Chronophage Games
>             3-5 rue Lashermes
>             43000 Le Puy en Velay
>             FRANCE
>
>
>             ------------------------------------------------------------------------
>             > Date: Fri, 8 Jun 2007 11:35:56 -0700
>             > From: hplus-ode at mindcontrol.org
>             > To: fred3d2 at hotmail.com
>             > CC: ode at ode.org
>             > Subject: Re: [ODE] Triangle Mesh Creation Time.
>             >
>             > Yes, triangle mesh creation for 2,000 triangles is
>             likely to take more
>             > than 5.e-5 seconds.
>             >
>             > Cheers,
>             >
>             > / h+
>             >
>             >
>             > Frédéric Brachfogel wrote:
>             > > Hello,
>             > >
>             > > I would like to know if a collision triangle mesh
>             creation takes time
>             > > ( more than 5.e-5 secondes in a "common" 3 Ghz
>             processor ) (
>             > > precisely: dGeomTriMeshDataCreate +
>             dGeomTriMeshDataBuild +
>             > > dCreateTriMesh ) ? This is because I have to generate
>             collision
>             > > triangle meshes ( around 20, 2000 triangles for each )
>             in real time in
>             > > a simulation.
>             > >
>             > > I will test it, but if I have a confirmation before, I
>             will - maybe -
>             > > win time =)
>             > >
>             > > Thank you.
>             > >
>             > >
>             > > F.Brachfogel
>             > >
>             > > --------------------------------------
>             > > Chronophage Games
>             > > 3-5 rue Lashermes
>             > > 43000 Le Puy en Velay
>             > > FRANCE
>             > >
>             > >
>             > >
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Cheers,
Jaroslav