setting GameManager dimensions

gameManager.cpp

@@ -24,9 +24,12 @@ namespace battleship{
 
     GameManager::~GameManager() {}
 
-		void GameManager::start() {
+		void GameManager::start(int width, int height) {
+				this->width = 800;
+				this->height = 600;
+
 				Root *root = Root::getSingleton();
-				root->start(800, 600, "../../vb01/", "Battleship");
+				root->start(width, height, "../../vb01/", "Battleship");
 
 				stateManager = new StateManager();
         listener = new InputManager(root->getWindow());

gameManager.h

@@ -16,7 +16,7 @@ namespace battleship{
     class GameManager {
     public:
 				static GameManager* getSingleton();
-				void start();
+				void start(int, int);
         void update();
         inline int getWidth(){return width;}
         inline int getHeight(){return height;}

main.cpp

@@ -7,7 +7,7 @@ using namespace battleship;
 
 int main() {
     GameManager *gameManager = GameManager::getSingleton();
-		gameManager->start();
+		gameManager->start(800, 600);
     GuiAppState *state = new GuiAppState();
     gameManager->getStateManager()->attachState(state);
     makeTitlescreenButtons(state);