- /*
- * 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/>.
- */
-
- #include "scene/object.hpp"
- #include "math/math.hpp"
-
- namespace scene {
-
- typename object_base::transform_type object_base::interpolate_transforms(const transform_type& x, const transform_type& y, float a)
- {
- return
- {
- math::lerp(x.translation, y.translation, a),
- math::nlerp(x.rotation, y.rotation, a),
- math::lerp(x.scale, y.scale, a),
- };
- }
-
- object_base::object_base():
- active(true),
- transform(math::identity_transform<float>, interpolate_transforms),
- culling_mask(nullptr)
- {}
-
- void object_base::set_culling_mask(const bounding_volume_type* culling_mask)
- {
- this->culling_mask = culling_mask;
- }
-
- std::size_t object_base::next_object_type_id()
- {
- static std::atomic<std::size_t> id{0};
- return id++;
- }
-
- void object_base::render(const render::context& ctx, render::queue& queue) const
- {}
-
- void object_base::update_tweens()
- {
- transform.update();
- }
-
- void object_base::look_at(const vector_type& position, const vector_type& target, const vector_type& up)
- {
- transform[1].translation = position;
- transform[1].rotation = math::look_rotation(math::normalize(math::sub(target, position)), up);
- transformed();
- }
-
- void object_base::transformed()
- {}
-
- } // namespace scene
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