/*
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* Copyright (C) 2021 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 "animation/camera-rig.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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transform(math::identity_transform<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->set_transform(transform);
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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::update_transform(const transform_type& transform)
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{
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this->transform = transform;
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// Calculate orthonormal basis
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forward = transform.rotation * global_forward;
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up = transform.rotation * global_up;
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right = transform.rotation * global_right;
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if (camera != nullptr)
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{
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camera->set_transform(transform);
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}
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}
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void camera_rig::update_projection(float fov, float aspect_ratio, float clip_near, float clip_far)
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{
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if (camera != nullptr)
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{
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camera->set_perspective(fov, aspect_ratio, clip_near, clip_far);
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}
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}
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void camera_rig::update_projection(float clip_left, float clip_right, float clip_bottom, float clip_top, float clip_near, float clip_far)
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{
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if (camera != nullptr)
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{
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camera->set_orthographic(clip_left, clip_right, clip_bottom, clip_top, clip_near, clip_far);
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}
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}
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