BallSystem.hpp

#pragma once
 
#include <IteratingSystem.hpp>
#include <Dispatcher.hpp>
 
#include <SFML/Graphics.hpp>
 
class BallSystem : public IteratingSystem
{
public:
    static const std::string PLAYER_SCORE_EVENT;
 
    static const std::string ENEMY_SCORE_EVENT;
 
    BallSystem(Dispatcher &dispatcher, Entity &player, Entity &enemy);
 
protected:
    void process(std::shared_ptr<Entity> &entity, sf::Time deltaTime);
 
private:
    Entity &_player;
    Entity &_enemy;
 
    sf::FloatRect _top;
    sf::FloatRect _bottom;
    sf::FloatRect _left;
    sf::FloatRect _right;
 
    Dispatcher &_dispatcher;
 
    void slightlyRandomize(sf::Vector2f &velocity) const;
};