💿🐜 Antkeeper source code
https://antkeeper.com
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70 lines
1.9 KiB
70 lines
1.9 KiB
/*
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* Copyright (C) 2023 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_SCENE_POINT_LIGHT_HPP
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#define ANTKEEPER_SCENE_POINT_LIGHT_HPP
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#include <engine/scene/light.hpp>
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#include <engine/utility/fundamental-types.hpp>
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namespace scene {
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/**
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* Light source that radiates outward from a point.
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*/
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class point_light: public light
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{
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public:
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point_light();
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/// Returns light_type::point
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[[nodiscard]] inline light_type get_light_type() const noexcept override
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{
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return light_type::point;
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}
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/**
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* Sets the attenuation factors of the light.
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*
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* @param attenuation Vector containing the constant, linear, and quadratic attenuation factors, as x, y, and z, respectively.
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*/
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void set_attenuation(const float3& attenuation);
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/// Returns the attenuation factors of the light.
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[[nodiscard]] inline const float3& get_attenuation() const noexcept
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{
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return attenuation[1];
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}
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/// Returns the attenuation tween.
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[[nodiscard]] inline const tween<float3>& get_attenuation_tween() const noexcept
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{
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return attenuation;
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}
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void update_tweens() override;
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private:
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tween<float3> attenuation;
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};
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} // namespace scene
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#endif // ANTKEEPER_SCENE_POINT_LIGHT_HPP
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