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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| 
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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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| 
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| #include "ui/effects/animations.h"
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| 
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| namespace Ui {
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| 
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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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| 
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| 	bool paint(QPainter &p, const QRect &rect);
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| };
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| 
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| } // namespace Ui
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