Tragil_3->Circle class

//Circle.h
#pragma once
class Circle
{
private:
    double _pointX;
    double _pointY;
    double _raduis;
    const double _Pi = 3.14;
    int* _ptr = 0;


public:
    Circle(double,double,double);
    ~Circle();
    Circle();
    void print_values();
    void set_values(double, double);
    double get_values(double&,double&);
    double Perimeter();
    double area();
    int dyn_array();
    void Set_values_by_user(double, double, double,int&);
};

//----------------------------------------------------------------------
//Main.cpp
#include <iostream>
#include <iomanip>
#include "Circle.h"

using namespace std;

void main()
{
    double a, b;
    double temp;
    double temp_2;
    double aa, bb, cc;
    int amount;
    Circle v1{ 5,5,0 };
    v1.print_values();

    Circle v2{ 1,2,0 };
    cout << "before change" << endl;
    cout << "--------------------------" << endl;
    v2.print_values();
    cout << "--------------------------" << endl;
    v2.set_values(9, 9);
    v2.print_values();
    temp = v2.get_values(a, b);
    v2.print_values();
    cout << "--------------------------" << endl;
    Circle v3{ 0,0,0 };
    v3.set_values(2, 0);
    temp_2 = v3.Perimeter();
    cout << "the Perimeter is ->:" << temp_2 << endl;
    temp_2 = v3.area();
    cout << "the Area is ->:" << temp_2 << endl;


    cout << "--------------------------" << endl;
    Circle v4;
    cout << "enter the amount of circles to crate:" << endl;
    cin >> amount;
    int &ref = amount;
    for (int i = 0; i < amount; i++)
    {
        cout << "please enter the data in (x,y,r)" << endl; // to call by for.
        cin >> aa >> bb >> cc;
        v4.Set_values_by_user(aa, bb, cc, amount);
        v4.print_values();
    }









}
//--------------------------------------------------------------------------------------------------
//Circle.cpp
#include "Circle.h"
#include <iostream>
#include <iomanip>
#include <cmath>
#include <assert.h>

using namespace std;


Circle::Circle(double x,double y,double rad)
{
    _pointX = x;
    _pointY = y;
    _raduis = rad;
}

Circle::~Circle()
{


}

void Circle::print_values()
{
    cout << setw(5) << "x:" << _pointX << endl;
    cout << setw(5) << "y:" << _pointY << endl;
    cout << setw(5) << "rad:" << _raduis << endl;

}

void Circle::set_values(double Xx, double Yy)
{
    _pointX = Xx;
    _pointY = Yy;
}

double Circle::get_values(double& X_x, double& Y_y)
{
    X_x = _pointX;
    Y_y = _pointY;

    return _raduis;


}

double Circle::Perimeter()
{
    double per;
    _pointX = abs(_pointX);
    _pointY = abs(_pointY);
    _raduis = (_pointX + _pointY) / 2;
    per = _raduis * _Pi * 2;
    return per;
}

double Circle::area()
{
    double s_area;
    _pointX = abs(_pointX);
    _pointY = abs(_pointY);
    _raduis = (_pointX + _pointY) / 2;
    s_area = _Pi*pow((_raduis),2);
    return s_area;
}

int Circle::dyn_array()
{
    int n;
    cout << "enter the amount of wanted circles:" << endl;
    cin >> n;
    _ptr = new int[n];
    for (int i = 0; i < n; i++) // need to add values///
    {
        cout << "enter the values of the circles" << endl;
        cin >>_ptr[i];
    }

    return 0;
}

Circle::Circle()
{


}

void Circle::Set_values_by_user(double XX, double YY, double rad,int & raf) // + ref from for , getting tge vlaues
{

    /*_pointX = XX;
    _pointY = YY;
    _raduis = rad;*/

    _ptr = new int[raf]; //array of X
    assert(_ptr);

    for (int i = 0; i < raf; i++) // need to add values/// // NEED TO RETURN? REF?
    {
        _pointX = XX;
        _pointY = YY;
        _raduis = rad;
        break;
    }
}
//------------------------------------------------------------------------------------------------------------------------