#include<SFML/Config.hpp>
#pragma message("SFML version: " SFML_VERSION_MAJOR "." SFML_VERSION_MINOR)
#include<SFML/Graphics.hpp>
#include<optional>
#include<chrono>

int main() {
    sf::Vector2u windowSize(800, 300);
    sf::RenderWindow window(sf::VideoMode(windowSize), "My Snake Game");

    sf::Clock moveClock;
    const sf::Time moveInterval = sf::seconds(2);
    int x{ 0 }, y{ 0 };

    while (window.isOpen()) {
        while (auto event=window.pollEvent()) {
            if (event->is<sf::Event::Closed>())
                window.close();

            if (const auto* keyEvent = event->getIf<sf::Event::KeyPressed>()) {
                if (sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Right))
                    x = x + 20;
            }
        }


        window.clear(sf::Color::Black);

        if (moveClock.getElapsedTime() >= moveInterval) {
            x = x + 20;
            moveClock.restart();
        }
        sf::RectangleShape cell(sf::Vector2f(20, 20));
        cell.setPosition(sf::Vector2f(x, y));
        cell.setFillColor(sf::Color::Magenta);
        window.draw(cell);
        window.display();
    }
}