Color.hpp

#include "math/Vector3.hpp"
#include <algorithm>
 
#ifndef COLOR_HPP
#define COLOR_HPP
 
namespace t {
 
class Color : public Vector3 {
public:
  using Vector3::Vector3;
 
  Color(double r, double g, double b) : Vector3(r, g, b) {}
 
  Color(int r, int g, int b, int colorDepth = 8)
      : Vector3(r / std::pow(2, colorDepth), g / std::pow(2, colorDepth),
                b / std::pow(2, colorDepth)) {}
 
  explicit Color(Vector3 vector3) : Vector3(vector3.x, vector3.y, vector3.z) {}
 
  Color &clamp() {
    Vector3::clamp(0, 1);
    return *this;
  }
 
  double luminance() const { return x * 0.2126 + y * 0.7152 + z * 0.0722; }
};
 
} // namespace t
 
#endif // COLOR_HPP