#include <iostream>
#include <cmath>
#include "points.h"
using namespace std;

point::point()
:my_x(0), my_y(0) {}

point::point(double x, double y)
:my_x(x), my_y(y) {}


void point::set_x(double a)
{
	my_x = a;
}

void point::set_y(double a)
{
	my_y = a;
}


double point::get_x() { return my_x; }
double point::get_y() { return my_y; }


double point::distance(point p)
{
	double a,b,c;

	a = diff(my_x, p.my_x);
	b = diff(my_y, p.my_y);
	c = sqrt(a*a+b*b);
	return c;
}

double point::from_org()
{
	point o;
	o.set_x(0);
	o.set_y(0);
	return distance(o);
}



void  point::shift(point v)
{
	my_x += v.my_x;
	my_y += v.my_y;
}

double point::diff(double a, double b)
{
	return a-b;
}