#include "Vector.h"
#include "Point3.h"
#include <math.h>
#using <mscorlib.dll>

Vector::Vector(void)
{
	x = 0;
	y = 0;
	z = 0;
}

Vector::Vector(Point3* p1, Point3* p2)
{
	x = p2->getX() - p1->getX();
	y = p2->getY() - p1->getY();
	z = p2->getZ() - p1->getZ();
}

Vector::Vector(float x1, float y1, float z1)
{
	x = x1;
	y = y1;
	z = z1;
}

Vector::Vector(float x1, float y1, float z1, float x2, float y2, float z2)
{
	x = x2 - x1;
	y = y2 - y1;
	z = z2 - z1;
}

Vector::~Vector(void)
{
}

float Vector::getX(void)
{
	return x;
}

float Vector::getY(void)
{
	return y;
}

float Vector::getZ(void)
{
	return z;
}

void Vector::setX(float x1)
{
	x = x1;
}

void Vector::setY(float y1)
{
	y = y1;
}

void Vector::setZ(float z1)
{
	z = z1;
}

float Vector::magnitude(void)
{
	return sqrt(x*x + y*y + z*z);
}

void Vector::normalize(void)
{
	float mag = this->magnitude();
	if(mag != 0.f)
	{
		x = x / mag;
		y = y / mag;
		z = z / mag;
	}
}

Vector* Vector::normal(void)
{
	float mag = this->magnitude();
	if(mag != 0.f)
	{
		float x1 = x / mag;
		float y1 = y / mag;
		float z1 = z / mag;
		return new Vector(x1, y1, z1);
	}
	return this;
}

Vector* Vector::cross(Vector* v)
{
	float x1 = ((this->y)*(v->z)) - ((this->z)*(v->y));
	float y1 = ((this->z)*(v->x)) - ((this->x)*(v->z));
	float z1 = ((this->x)*(v->y)) - ((this->y)*(v->x));
	return new Vector(x1, y1, z1);
}