mat2.h

#pragma once
 
#include "core.h"
#include "vec2.h"
#include <iostream>
 
namespace rune{
 
class RUNE_ENGINE Mat2
{
private:
  double row1[2];
  double row2[2];
public:
  Mat2();
  Mat2(double a11, double a12, double a21, double a22);
  Mat2 operator- (const Mat2& right);
  Mat2 operator-();
  Mat2 operator+ (const Mat2& right);
  Mat2 operator* (const Mat2& right);
  Mat2 operator* (double scalar);
  Vec2 operator*(const Vec2& right);
  Mat2 operator/ (const Mat2& right);
  Mat2& operator-=(const Mat2& right);
  Mat2& operator+=(const Mat2& right);
  Mat2& operator+=(const double scalar);
  Mat2& operator*=(const Mat2& right);
  Mat2& operator*=(const double right);
  bool operator==(const Mat2& right);
  bool operator!=(const Mat2& right);
  rune::Mat2 operator/ (double scalar);
  Mat2 invert();
  double determinant();
  double* operator[](int index);
  friend RUNE_ENGINE std::ostream& operator<<(std::ostream& os, const Mat2& vector);
};
 
RUNE_ENGINE rune::Vec2 operator*(rune::Vec2 const& vec, rune::Mat2& mat);
RUNE_ENGINE Mat2 operator* (double scalar, rune::Mat2& mat);
 
}