[WIP] Add physics calculations for vehicles. Not actually used anywhere yet.

Oki. Rewrote the comments, maybe I succeeded in making it clearer now.
Sorry for all the confusion surrounding this, explanations are not my thing.

On Tue, Dec 30, 2014 at 1:57 AM, Kevin Granade <notifications@github.com>
wrote:

> In src/vehicle.h
> <https://github.com/CleverRaven/Cataclysm-DDA/pull/10666#discussion-diff-22335527>
> :
>
> > @@ -22,6 +22,16 @@ float get_collision_factor(float delta_v);
> >  //How far to scatter parts from a vehicle when the part is destroyed (+/-)
> >  #define SCATTER_DISTANCE 3
> >
> > +/* These values are changed since otherwise vehicle movement (which uses
> > +   them as the base for calculating speed) becomes too fast compared
> > +   to running. With the canon values a human uses 6 seconds to run 1
> > +   meter, which is ridiculously slow. To compensate, using the values
> > +   below slows down vehicles by a factor of 18. */
> > +/* The size (width) of a single game tile in meters, 1 meter is canon */
>
> Please remove these comments, there is no cannonical width for a tile, and
> I don't want people to start thinking there is.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/CleverRaven/Cataclysm-DDA/pull/10666/files#r22335527>.
>



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