Vector2D.cpp

#include "Vector2D.h"

float Vector2D::getX()
{
	return m_x; 
}

float Vector2D::getY()
{
	return m_y;
}

void Vector2D::setX(float x)
{
	m_x = x; 
}

void Vector2D::setY(float y)
{
	m_y = y; 
}

float Vector2D::length()
{
	return sqrt(m_x * m_x + m_y * m_y);
}

Vector2D Vector2D::operator+(const Vector2D& v2) const
{
	return Vector2D(m_x + v2.m_x, m_y + v2.m_y);
}



Vector2D Vector2D::operator*(float scalar)
{
	return Vector2D(m_x * scalar, m_y * scalar);
}

Vector2D& Vector2D::operator*=(float scalar)
{
	m_x *= scalar; 
	m_y *= scalar;

	return *this;
}

Vector2D Vector2D::operator-(const Vector2D& v2) const
{
	return Vector2D(m_x - v2.m_x, m_y - v2.m_y);
}

//Division
Vector2D  Vector2D::operator/(float scalar)
{
	return Vector2D(m_x / scalar, m_y /scalar);
}
Vector2D& Vector2D::operator/=(float scalar)
{
	m_x /= scalar;
	m_y /= scalar;

	return *this;
}


void Vector2D::normalize()
{
	float l = length();
	if (l > 0)
	{
		(*this) *=  1/l;
	}
}