//////////////////////////////////File A/////////////////////////////////////////

void Physics::CalculateCollision(Object *Obct,double ObctYspeed,Object *secObct)
{
        struct Line *objvec = nullptr;
        objvec = new Line();

        //initialize objvec

        point pnt = {0,0};
        math::FindPoint(objvec,secObct->Box,&pnt,direction);
        delete(objvec);
}

/////////////////////////////////File B///////////////////////////////////////////
typedef struct
{
        double x;
        double y;
}point;

struct Line
{
        double incline;
        double y;
        double x;
        double c;
        point start,finish;
};
namespace math
{
....                               //First And Second are garbage inside this function
                                   //Pt and direction are ok
        static void FindPoint(Line *First,AABB *Second,point *Pt,int direction)
        {
                std::vector<point*> pntvec;
                //do stuff with the data
        }
......
}