#include <SFML/Graphics.hpp>
#include <iostream>
#include <vector>

#define BLOCK_SIZE 50

class Block
{
    private:
        sf::Image blockImage;
        sf::Texture blockTexture;
        sf::Sprite block;
    public:
        Block();
        void render(sf::RenderWindow& window) {window.draw(block);}
};

Block::Block()
{
    blockImage.create(BLOCK_SIZE, BLOCK_SIZE);
    for(size_t x = 0; x != BLOCK_SIZE; ++x)
        for(size_t y = 0; y != BLOCK_SIZE; ++y)
            blockImage.setPixel(x, y, sf::Color::Blue);
    blockTexture.loadFromImage(blockImage);
    block.setTexture(blockTexture);
    block.setPosition(400, 300);
}

int main()
{
    sf::RenderWindow window(sf::VideoMode(800, 600, 32), "Test", sf::Style::Close);
    window.setFramerateLimit(60);
    sf::Event windowEvent;

    std::vector<Block> blockList;
    blockList.push_back(Block());

    while(window.isOpen())
    {
        while(window.pollEvent(windowEvent))
            if(windowEvent.type == sf::Event::Closed)
                window.close();

        window.clear(sf::Color());
        for(auto&& block : blockList)
            block.render(window);
        window.display();
    }

    return EXIT_SUCCESS;
}