//217CR 1st Assignment
//Brendan Smith
//TVector Contructors and Functions

//The Inports
#include "TVector3D.h"
#include <math.h>
#include <iostream>

using namespace std;


// The Default constructor
TVector3D::TVector3D(void)
{
	_x=0;
	_y=0;
	_z=0;
}

// The Second constructor
TVector3D::TVector3D(double vecx, double vecy, double vecz)
{
	_x=vecx;
	_y=vecy;
	_z=vecz;
}


// Function that adds two 3D vectors together
TVector3D TVector3D::AddVectors(TVector3D vector1, TVector3D vector2, TVector3D vector_result)
{
	vector_result._x = vector1._x + vector2._x;
	vector_result._y = vector1._y + vector2._y;
	vector_result._z = vector1._z + vector2._z;


	cout<<"Addition: "<<vector_result._x<<" ,"<<vector_result._y<<" ,"<<vector_result._z;
	cout<<" \n";


	return vector_result;
}

// Function that subtracts two 3D vectors together
TVector3D TVector3D::SubstractVectors(TVector3D vector1, TVector3D vector2, TVector3D vector_result)
{
	vector_result._x = vector1._x - vector2._x;
	vector_result._y = vector1._y - vector2._y;
	vector_result._z = vector1._z - vector2._z;


	cout<<"Subtracts: "<<vector_result._x<<" ,"<<vector_result._y<<" ,"<<vector_result._z;

	cout<<" \n";


	return vector_result;
}

// Function that Crosses two 3D vectors together.
TVector3D TVector3D::CrossVectors(TVector3D vector1, TVector3D vector2, TVector3D vector_result)
{
	vector_result._x = (vector1._y * vector2._z) - (vector1._z * vector2._y);
	vector_result._y = (vector1._x * vector2._z) - (vector1._z * vector2._x);
	vector_result._z = (vector1._x * vector2._y) - (vector1._z * vector2._x);



	cout<<"Cross: "<<vector_result._x<<" ,"<<vector_result._y<<" ,"<<vector_result._z;
	cout<<" \n";


	return vector_result;
}


//Function that finds the Magnitude of a 3D vectors.
double TVector3D::MagnitudeVectors(TVector3D vector1)
{
	double result;
	result = sqrt((vector1._x * vector1._x) + (vector1._y * vector1._y) + (vector1._z * vector1._z));

	cout<<"Magnitude: "<<result;
	cout<<" \n";


	return result;
}


// Function that finds the Unit of a 3D vectors.
TVector3D TVector3D::UnitVectors(TVector3D vector1, TVector3D vector_result)
{
	double length = TVector3D::MagnitudeVectors(vector1);
	vector_result._x =  vector1._x / length;
	vector_result._y =  vector1._y / length;
	vector_result._z =  vector1._z / length;

	cout<<"Unit: "<<vector_result._x<<" ,"<<vector_result._y<<" ,"<<vector_result._z;
	cout<<" \n";


	return vector_result;

}

// Function that Inverts a 3D vectors.
TVector3D TVector3D::InvertVectors(TVector3D vector1, TVector3D vector_result)
{
	vector_result._x =  -vector1._x;
	vector_result._y =  -vector1._y;
	vector_result._z =  -vector1._z;

	cout<<"Invert: "<<vector_result._x<<" ,"<<vector_result._y<<" ,"<<vector_result._z;
	cout<<" \n";


	return vector_result;
}

// Function that finds the Dot Produc of two 3D vectors.
double TVector3D::DotProductVectors(TVector3D vector1, TVector3D vector2, double result)
{
	result =  (vector1._x*vector2._x) + (vector1._y*vector2._y) + (vector1._z*vector2._z);

	cout<<"Dot Product: "<<result;
	cout<<" \n";


	return result;
}