libpdw/include/libpdraw/gui/ncc/background.hpp

62 lines
1.7 KiB
C++

/*
* Libpdraw: A Versitile GUI for use with a primitive drawing system!
* Copyright (C) 2022 Rebekah Rowe
*
* This program 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.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <chrono>
#include <glez/texture.hpp>
#include <gui/widgets/basewidget.hpp>
namespace ncc {
class Background : public CBaseWidget {
public:
struct Particle {
float x, y;
float vx, vy;
int show_in { 0 };
bool dead { false };
glez::texture* texture { nullptr };
Particle* next { nullptr };
Particle* prev { nullptr };
void Update(float dt);
};
public:
Background();
~Background();
virtual bool AlwaysVisible() override;
virtual void Draw(int x, int y) override;
virtual void Update() override;
void MakeParticle();
void KillParticle(Particle* flake);
public:
glez::texture tx_snowflake;
glez::texture tx_raindrop;
glez::texture tx_raindrop2;
glez::texture tx_flame;
glez::texture tx_heart;
std::chrono::time_point<std::chrono::system_clock> last_update;
Particle* list { nullptr };
Particle* list_tail { nullptr };
};
} // namespace ncc