63 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "ui/effects/animations.h"
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namespace Ui {
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class FireworksAnimation final {
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public:
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	explicit FireworksAnimation(Fn<void()> repaint);
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	bool paint(QPainter &p, const QRect &rect);
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private:
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	struct Particle {
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		enum class Type : uchar {
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			Circle,
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			Rectangle
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		};
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		float64 x = 0.;
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		float64 y = 0.;
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		float64 moveX = 0.;
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		float64 moveY = 0.;
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		uint16 rotation = 0;
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		Type type = Type::Circle;
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		uchar color = 0;
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		bool right = false;
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		uchar size = 0;
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		uchar xFinished = 0;
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		uchar finishedStart = 0;
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		bool finished = false;
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	};
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	void update(crl::time now);
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	void startFall();
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	void paintParticle(
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		QPainter &p,
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		const Particle &particle,
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		const QRect &rect);
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	void initParticle(Particle &particle, bool falling);
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	void updateParticle(Particle &particle, crl::time dt);
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	std::vector<Particle> _particles;
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	std::vector<QBrush> _brushes;
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	Ui::Animations::Basic _animation;
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	Fn<void()> _repaint;
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	crl::time _lastUpdate = 0;
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	float64 _speedCoef = 1.;
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	int _fallingDown = 0;
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	int _smallSide = 0;
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	bool _startedFall = false;
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};
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} // namespace Ui
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