💿🐜 Antkeeper source code
https://antkeeper.com
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63 lines
1.6 KiB
63 lines
1.6 KiB
/*
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* Copyright (C) 2020 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 "orbit-cam.hpp"
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#include "scene/camera.hpp"
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#include "math/constants.hpp"
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#include "configuration.hpp"
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#include <algorithm>
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#include <cmath>
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camera_rig::camera_rig():
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camera(nullptr),
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translation{0.0f, 0.0f, 0.0f},
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rotation(math::identity_quaternion<float>),
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forward(global_forward),
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right(global_right),
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up(global_up)
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{}
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void camera_rig::attach(::camera* camera)
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{
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this->camera = camera;
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if (camera != nullptr)
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{
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camera->look_at(translation, translation + forward, up);
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}
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}
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void camera_rig::detach()
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{
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camera = nullptr;
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}
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void camera_rig::set_translation(const float3& translation)
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{
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this->translation = translation;
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}
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void camera_rig::set_rotation(const quaternion_type& rotation)
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{
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this->rotation = rotation;
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// Calculate orthonormal basis
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forward = rotation * global_forward;
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up = rotation * global_up;
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right = rotation * global_right;
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}
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