implemented central Game class

game.cpp

@@ -0,0 +1,25 @@
+#include "game.h"
+#include "player.h"
+#include "projectile.h"
+
+namespace battleship{
+	static Game *game = nullptr;
+
+	Game* Game::getSingleton(){
+		if(!game)
+			game = new Game();
+
+		return game;
+	}
+
+	void Game::update(){
+		for(Player *p : players)
+			p->update();
+
+		for(Projectile *proj : projectiles)
+			proj->update();
+	}
+
+	void Game::togglePause(){
+	}
+}