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

It's all the physics variables that are required to calculate vehicle
movement and collision. They are transient and are also used speculative
(such as how fast would this car drive if we accelerated as fast as we
could for 10 seconds, or does the physics match up if we estimate that it
takes 2 seconds at 60% engine speed to drive 3 meters). How do I make it
clear what I'm encapsulating, are you thinking of adding a comment block to
veh_physics.h or something else?

On Tue, Dec 30, 2014 at 1:49 AM, Kevin Granade <notifications@github.com>
wrote:

> In src/veh_physics.h
> <https://github.com/CleverRaven/Cataclysm-DDA/pull/10666#discussion-diff-22335382>
> :
>
> > @@ -0,0 +1,105 @@
> > +#ifndef VEH_PHYSICS_H
> > +#define VEH_PHYSICS_H
> > +
> > +#include "vehicle.h"
> > +#include <vector>
> > +#include <string>
> > +
>
> what is a 'vehicle physics'? If you're encapsulating something, you need
> to make it very clear what it is you're encapsulating, and this doesn't do
> that.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/CleverRaven/Cataclysm-DDA/pull/10666/files#r22335382>.
>



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