//Global.h

//globals container

#ifndef GLOBAL_H
#define GLOBAL_H

#include <SFML/Graphics.hpp>
#include <random>

struct Global
{
	static sf::RenderWindow window;

	static int blocksWide;
	static int blocksTall;
	static int blockSize;

	static const int desiredBlocksWide;
	static const int desiredBlocksTall;
};

#endif

//Global.cpp

#include "Global.h"

sf::RenderWindow Global::window; //throws here

int Global::blocksWide = 0;
int Global::blocksTall = 0;

int Global::blockSize;

const int Global::desiredBlocksWide = 20;
const int Global::desiredBlocksTall = 2