Re: [cgkit-user] geom model

[Ricardo K. <ric...@gm...>]

Hi Matthias

I post you a sample script of what I was trying to do, with the
associated object.

You were right about the convertToTriMesh needed to be called on the
mesh object. However ,now I am having strange issues. I think the best
is you look at it yourself.

On the other hand, the problem I was having relied on the _createGeom
method not supporting all GeomObjects, particularily the
PolyhedronGeom, that is what my mesh was converted to when it was
loaded. In this method, the problem isn't actually not supporting all
geoms, but the code uses a variable that isn't defined.

print 'WARNING: ODEDynamics: Cannot determine collision geometry of
object "%s".'%obj.name

but obj is not defined anywhere (it's actually defined, but locally on
another case of the if statement, so that doesn't count). Look around
line 1015 of the odedynamics.py file.

So, now I could load the mesh file into a geometry for my object, but
it behaves strange, so if you could look at this issue, I would be
grateful.

Regards,

ricardo

pd: on another issue... is there a way to add half a cylinder?
(cylinder with base and top with equal radius, but cut to the half, so
I get only the upper part, like a slice)

On 5/10/06, Matthias Baas <ba...@ir...> wrote:
> Ricardo Kirkner wrote:
> > what is the best way to asign a 3d model (made with blender, or any
> > other modelling/cad tool), to an WorldObject, so that the geometry
> > gets defined based on the model?
> >
> > This has to work using the ODEDynamics component (this is imperative).
> >
> > I tried to load the geom from an .obj file, but I got nothing but
> > errors, so I must be doing something wrong
>
> Well, this approach is already what I would have suggested anyway. It
> may as well be you've encountered a bug. May I have a look at the error?
>
> Once thing you might have to do manually to be able to simulate the
> object is to convert the mesh into a triangle mesh (if it isn't already
> one) using the convertToTriMesh() function.
>
> - Matthias -
>
>
>
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