/*
* Copyright (C) 2020 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 .
*/
#include "scene/scene-object.hpp"
static transform transform_interpolate(const transform& x, const transform& y, float a)
{
return
{
vmq::lerp(x.translation, y.translation, a),
vmq::slerp(x.rotation, y.rotation, a),
vmq::lerp(x.scale, y.scale, a),
};
}
scene_object_base::scene_object_base():
active(true),
transform(vmq::identity_transform, transform_interpolate),
culling_mask(nullptr)
{}
void scene_object_base::set_culling_mask(const bounding_volume* culling_mask)
{
this->culling_mask = culling_mask;
}
std::size_t scene_object_base::next_object_type_id()
{
static std::atomic id{0};
return id++;
}
void scene_object_base::update_tweens()
{
transform.update();
}
void scene_object_base::look_at(const float3& position, const float3& target, const float3& up)
{
transform[1].translation = position;
transform[1].rotation = vmq::look_rotation(vmq::normalize(vmq::sub(target, position)), up);
transformed();
}
void scene_object_base::transformed()
{}