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- /*
- * Copyright (C) 2021 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #ifndef ANTKEEPER_SCENE_POINT_LIGHT_HPP
- #define ANTKEEPER_SCENE_POINT_LIGHT_HPP
-
- #include "scene/light.hpp"
- #include "utility/fundamental-types.hpp"
-
- namespace scene {
-
- /**
- * Light source that radiates outward from a point.
- */
- class point_light: public light
- {
- public:
- point_light();
-
- /// Returns light_type::point
- virtual light_type get_light_type() const;
-
- /**
- * Sets the attenuation factors of the light.
- *
- * @param attenuation Vector containing the constant, linear, and quadratic attenuation factors, as x, y, and z, respectively.
- */
- void set_attenuation(const float3& attenuation);
-
- /// Returns the attenuation factors of the light.
- const float3& get_attenuation() const;
-
- /// Returns the attenuation tween.
- const tween<float3>& get_attenuation_tween() const;
-
- /// @copydoc object_base::update_tweens();
- virtual void update_tweens();
-
- private:
- tween<float3> attenuation;
- };
-
- inline light_type point_light::get_light_type() const
- {
- return light_type::point;
- }
-
- inline const float3& point_light::get_attenuation() const
- {
- return attenuation[1];
- }
-
- inline const tween<float3>& point_light::get_attenuation_tween() const
- {
- return attenuation;
- }
-
- } // namespace scene
-
- #endif // ANTKEEPER_SCENE_POINT_LIGHT_HPP
-
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