directional_light.hpp

// SPDX-License-Identifier: MIT
#ifndef LIBSBX_SCENES_COMPONENTS_DIRECTIONAL_LIGHT_HPP_
#define LIBSBX_SCENES_COMPONENTS_DIRECTIONAL_LIGHT_HPP_
 
#include <libsbx/math/vector3.hpp>
#include <libsbx/math/color.hpp>
 
namespace sbx::scenes {
 
class directional_light {
 
public:
 
  directional_light(const math::vector3& direction, const math::color& color)
  : _direction{direction},
    _color{color} { }
 
  ~directional_light() = default;
 
  [[nodiscard]] auto direction() const noexcept -> const math::vector3& {
    return _direction;
  }
 
  [[nodiscard]] auto direction() noexcept -> math::vector3& {
    return _direction;
  }
 
  auto set_direction(const math::vector3& direction) noexcept -> void {
    _direction = math::vector3::normalized(direction);
  }
 
  [[nodiscard]] auto color() const noexcept -> const math::color& {
    return _color;
  }
 
  [[nodiscard]] auto color() noexcept -> math::color& {
    return _color;
  }
 
private:
 
  math::vector3 _direction;
  math::color _color;
 
}; // class directional_light
 
} // namespace sbx::scenes
 
#endif // LIBSBX_SCENES_COMPONENTS_DIRECTIONAL_LIGHT_HPP_