/*
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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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#include <engine/physics/kinematics/friction.hpp>
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#include <algorithm>
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namespace physics {
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float combine_friction(float a, float b, friction_combine_mode mode) noexcept
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{
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switch (mode)
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{
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case friction_combine_mode::average:
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return (a + b) * 0.5f;
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case friction_combine_mode::minimum:
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return std::min(a, b);
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case friction_combine_mode::multiply:
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return a * b;
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case friction_combine_mode::maximum:
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return std::max(a, b);
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default:
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break;
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}
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return 0.0f;
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}
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} // namespace physics
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