Thomas wrote:
> 
> >- the wheels of the trailer have a fixed distance to one another.
> >- the wheels of the trailer have a fixed distance to the link.
> >- the wheels can only move on the ground in their current direction.
> >- the wheels' directions are always orthogonal to the line between them.
> 
> Hmmmm this might be usefull, but I was looking for something more physical
> correct.

The limited physical correctness of this approach is just in terms of
dynamics.  Taking this into account would complicate the problem quite a
lot.

> Just re-reading your four lines there seems to suggest that the trailer can
> not make a curve at all since they only can move in there current
> direction. Or is that just me mis reading it.

The emphasis is on *current* direction.  You will probably have to weaken
this requirement a bit (i. e. not use it as a strict rule) to make sure
the distance between the wheels stays the same.

Christoph

-- 
POV-Ray tutorials, IsoWood include,                 
TransSkin and more: http://www.tu-bs.de/~y0013390/  
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______

Post a reply to this message