/************************************************************************
*																		*
*	File:		point3.h												*
*																		*
*	Author:		Robb T. Koether											*
*																		*
*	Date:		Sep 9, 2003												*
*																		*
*	Purpose:	This file contains the definition of the Point3 class	*
*																		*
************************************************************************/

#ifndef POINT3_H
#define POINT3_H

//	Header files

#include <iostream>
#include <string>
#include "vector3.h"

using namespace std;

class Vector3;

/************************************************************************
*																		*
*	The definition of the Point3 class									*
*																		*
************************************************************************/

class Point3
{
//	Public member functions

	public:
	
	//	Inspectors
	
		Point3() : x(0), y(0), z(0) {}
		Point3(float xval, float yval, float zval) : x(xval), y(yval), z(zval) {}
	
	//	Mutators
	
		void set(float xval, float yval, float zval)
			{x = xval; y = yval; z = zval;}
	
		void Output(ostream& out) const
		{
			out << "(" << x << ", " << y << ", " << z << ")";
		}
		
	//	Other functions

		Vector3 subtractP(const Point3& p) const;
		Point3 addV(const Vector3& v) const;
		Point3 subtractV(const Vector3& v) const;
		bool equal(const Point3& p) const;

//	Public data members

	public:
		float x;
		float y;
		float z;
};

//	Operators

ostream& operator<<(ostream& out, const Point3& p);
Point3 operator+(const Point3& p, const Vector3& v);
Point3 operator-(const Point3& p, const Vector3& v);
Vector3 operator-(const Point3& p, const Point3& q);
bool operator==(const Point3& p, const Point3& q);

#endif