[ODE] Is it time to accept dcyl2 contribution?

[Graham Fyffe]

Please please please please!

- Graham


On Fri, 25 Feb 2005 15:39:59 +0000, Bram Stolk <bram at sara.nl> wrote:
> On 02/25/05 16:24:19, Megan Fox wrote:
> > Doesn't the dCylinder2 have trouble with falling through solid
> > surfaces when it meets them plane-on with its top or bottom?
> >
> > (that is - when the flat top or bottom of the dCylinder2 is co-planar
> > with the colliding surface, doesn't it have issues with falling
> > through the colliding surface)
> 
> If it has, I havent noticed it, and it must be 100% co-planar and
> highly sensitive because:
> 
> I use cyls as car wheels on a mesh. This works just fine, even
> if the car is lying on its side (on the wheels), and those wheels
> are coplanar with the mesh under it.
> 
> 
> >
> > I also thought it was missing a collider for one or more of the other
> > geoms?
> 
> It has box, sphere and mesh.
> 
> Most non-toy car-applications are likely to model the wheels as
> cyls on a generic triangle mesh. The code does this flawlessly.
> 
> I rewrote test_buggy in the following way:
> (1) Buggy has 4 wheels, not 3.
> (2) Buggy is RWD (rear-wheel-drive).
> (3) Wheels have cylinder geom, not sphere geom for true WYSIWYI
>     (What you see is what you intersect :-)
> (4) Wheels now show slip.
> (5) World is generic triangle mesh, not a simple box/plane combo.
> (6) Steering is improved.
> It would be a useful ode demo if ode adopted cyl2. As it is now,
> newbies have a rough time making their own car demo, especially
> if they are not on windows, and cannot try carworld.
> 
>   bram
> 
> 
> > -Megan Fox
> >
> > > Hello,
> > >
> > > In the cvs contrib dir, there is a contribution by Nguyen Binh
> > > for non-capped regular cylinders, called dCylinder2
> > >
> > > I've been using them with ODE, and I've found them to be stable
> > > and usable.
> > >
> > > Currently, adding dCyl2 to ODE is an akward procedure: you
> > > have to follow a lot of steps to get it into ODE. The later
> > > supplied patch file from Adam is not complete, as it fails to
> > > do addCollider for meshes, and does not patch the Makefile.
> > >
> > > Instead of fixing this patchfile in the contrib dir, I propose to
> > > adopt dCyl2 into ODE proper. (to the CVS tree at least), so
> > > that it can be further tested, and then added to releases.
> > >
> > > So, what do the maintainers think of this?
> > >
> > > Yours Sincerely,
> > >
> > >   Bram Stolk
> > >
> > > _______________________________________________
> > > 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
>