Notions de classe, objet et encapsulation

#include<iostream>
#include<cmath>
using namespace std ;

class Point {
    private:
    float abs;
    float ord;
    char pnt;
    public:
    void initialise(char, float,float);
    void deplace(float dx,float dy);
    void affiche();
    float GetAbs() {return abs;};
    float GetOrd();
    char GetPnt();
    };

void Point::initialise(char a,float x,float y)
 {
     pnt= a;
     abs= x;
     ord= y;
 }

 void Point::deplace(float dx, float dy)
 {
     abs=abs+dx;
     ord=ord+dy;
 }

 void Point::affiche()
 {
     cout<<"le point "<<pnt<<" a pour coordonnées:("<<abs<<","<<ord<<")"<<endl;
 }

inline float Point::GetOrd() {
    return ord;
    }
char Point::GetPnt(){
    return pnt;
    }

 float distant(Point t1, Point t2)
 {
     float d,x1,x2,y1,y2;
     x1=t1.GetAbs();
     x2=t2.GetAbs();
     y1=t1.GetAbs();
     y2=t2.GetAbs();
     d = sqrt(pow((x1-x2),2)+pow((y1-y2),2));
     return d;
 }
 int main ()
 {
     Point p1, p2;
     p1.initialise('p',1,2);
     p2.initialise('r',2,4);
     p1.affiche();
     p2.affiche();
     cout<<"distance entre "<<p1.GetPnt()<<" et "<<p1.GetPnt()<<" est "<<distant(p1,p2)<<endl;
     p1.deplace(3,4);
     p2.deplace(0,5);
     p1.affiche();
     p2.affiche();
     return 0;
 }