GLMatrix.hpp

#pragma once

#include <math.h>

#include <cstddef>

#include "GLPoint.hpp"
#include "GLVector.hpp"

class GLMatrix {
 public:
  GLMatrix();

  void setColumn(int i, const GLPoint &rhs);

  void setColumn(int i, const GLVector &rhs);

  void setValue(const int row, const int column, const float value);

  GLVector getColumn(int i) const;

  bool inverse();

  double operator()(int row, int column) const;

 private:
  double mMatrix[16];
};

/**
** Gibt die Einträge der Matrix auf drei Nachkommastellen gerundet aus
**/
inline std::ostream &operator<<(std::ostream &os, const GLMatrix &m) {
  for (size_t i = 0; i < 4; ++i) {
    for (size_t j = 0; j < 4; ++j) {
      os << round(m(i, j) * 1000.0f) / 1000.0f << " ";
    }
    os << "\n";
  }
  return os;
}