#include "point3.h"

Point3 Point3::addV(const Vector3& v) const
{
	return Point3(x + v.x, y + v.y, z + v.z);
}
	
Point3 Point3::subtractV(const Vector3& v) const
{
	return Point3(x - v.x, y - v.y, z - v.z);
}

Vector3 Point3::subtractP(const Point3& p) const
{
	return Vector3(x - p.x, y - p.y, z - p.z);
}

bool Point3::equal(const Point3& p) const
{
	return x == p.x && y == p.y;
}

Vector3 operator-(const Point3& p, const Point3& q)
{
	return p.subtractP(q);
}

ostream& operator<<(ostream& out, const Point3& p)
{
	p.Output(out);
	return out;
}

Point3 operator+(const Point3& p, const Vector3& v)
{
	return p.addV(v);
}

Point3 operator-(const Point3& p, const Vector3& v)
{
	return p.subtractV(v);
}

bool operator==(const Point3& p, const Point3& q)
{
	return p.equal(q);
}