didn't work, but I think i'm going to change gameState to a string var, see if that works

ok, i've tried changing it to a string variable and then i get this error:

>game.obj : error LNK2001: unresolved external symbol "public: static class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > Game::gameState" (?gameState@Game@@2V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@A)

and i don't really understand it

here are the code

class Game{
public: 
	static void Start();
	static std::string gameState;
	Game();
	~Game();

private:
	static bool IsExiting();
	static void GameLoop();
  
 
};

#include "basic.h"
#include "game.h"
#include <string>


Game::Game(){
	gameState = "Uninitialized";
};
Game::~Game(){

};

void Game::Start(){
	if(gameState != "Uninitialized"){
		return;
	};
	gameState= "Playing";
	
};
bool Game::IsExiting(){
	if(gameState == "Exiting"){ 
		return true;
	}
	else{ 
		return false;
	};

}
void Game::GameLoop(){
	sf::Event Event;
	sf::RenderWindow mainWindow(sf::VideoMode(1024,768,32),"Pong");
		while(mainWindow.pollEvent(Event)){
			if(gameState == "Playing"){
				mainWindow.clear(sf::Color::Black);
				mainWindow.display();

				if((Event.type == sf::Event::Closed)||(sf::Keyboard::isKeyPressed(sf::Keyboard::Escape))){
					gameState = "Exiting";
				};
			}
		};

};

What i meant was that the same thing happend as before, when the console screen appeared, an error message appeared saying '"Unhandled exception at 0x77cad062 in Pong.exe: 0xC0000005: Access violation writing location 0x00000004"

think I was wrong and that the problem lays with sf::RenderWindow Game::MainWindow;

because i've changed the code and it worked(kind of, not like I wanted) but when i put this line (sf::RenderWindow Game::MainWindow;) it showed the error.

Edit:

I think i've found it, ive found this link http://stackoverflow.com/questions/24318663/displaying-window-with-sfml and when i removed the static, the error vanished,

IT'S ALIVE!!!!

I finally completed step 2 from http://www.gamefromscratch.com/page/Game-from-Scratch-CPP-Edition-Part-2.aspx after two days of searching

here is the now correct code for people who experienced similar problems:

#include <SFML\Graphics.hpp>
#include <SFML\Window.hpp>
#include <SFML\Audio.hpp>
#include <SFML\System.hpp>

#include <iostream>
#include <ctime>
#include <stdio.h>
#include <map>
#include <cassert>
#include <string>

game.h:

#include "basic.h"

class Game{
public: 
	void Start();
	
	
	

private:
	
	 void GameLoop();
	 bool IsExiting();
	enum GameState { Uninitialized, ShowingSplash, Paused, 
          ShowingMenu, Playing, Exiting };
  
	GameState gameState;
 sf::RenderWindow mainWindow;
};

Game.cpp:

#include "basic.h"
#include "game.h"
#include <string>


void Game::Start(){
	gameState= Game::Playing;
	mainWindow.create(sf::VideoMode(1027,768,32),"Pong");
	while(!IsExiting()){
		GameLoop();
	}
	mainWindow.close();
	
};

bool Game::IsExiting(){
	if(gameState == Game::Exiting){
		return true;}

	else{ return false;};

}

void Game::GameLoop(){
	sf::Event Event;
			while(mainWindow.pollEvent(Event)){
				switch(gameState){
					case Game::Playing:
			
				mainWindow.clear(sf::Color::Black);
				mainWindow.display();

				if((Event.type == sf::Event::Closed)||(sf::Keyboard::isKeyPressed(sf::Keyboard::Escape))){
					gameState = Game::Exiting;
				};
				break;
			
		};

};
};

and main.cpp

#include "basic.h"
#include "game.h"

int main(){
	Game Pong;
	Pong.Start();
	

	return 0;

};

God i'm glad that it works

And i'm stuck again :(

got up to part 5 pretty easy but know i've got an error and i don't know why:

PlayerPaddle *player1 = new PlayerPaddle();
	player1->Load("images/paddle.png");
	player1->SetPosition((1024/2)-45,700);
	gameObjectManager.Add("Paddle1",player1);

In the last line, it says that the type of Playerpaddle* is incompatible with parameter of type VisibleGameObject* but Playerpaddle is a class derived from VisibleGameObject so why doesn't he accept it?

posting the output of the debugger in case it would help