#include "vector.hh"

Vector &Vector::operator += (const Vector &other){
  this->x += other.x;
  this->y += other.y;
  this->z += other.z;
  return *this;
}

Vector Vector::operator + (const Vector &other) const{
  return Vector(*this) += other;
}

Vector &Vector::operator -= (const Vector &other){
  return *this += other.scale(-1);
}

Vector Vector::operator - (const Vector &other) const{
  return Vector(*this) -= other;
}

Vector Vector::cross(const Vector &other) const{
  return Vector(this->y * other.z - this->z * other.y,
		this->z * other.x - this->x * other.z,
		this->x * other.y - this->y * other.x);
}

float Vector::dot(const Vector &other) const{
  return this->x * other.x + this->y * other.y + this->z * other.z;
}

float Vector::magnitude(void) const{
  return this->dot(*this);
}

Vector Vector::scale(float amount) const{
  return Vector(this->x * amount, this->y * amount, this->z * amount);
}