Game window now runs under GameState

Game window now runs under GameState and removed game from being hosted in main()

src/GameState.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <SFML\Graphics.hpp>
 #include <SFML\System.hpp>
+#include "Snake.h"
 #include "GameState.h"
 
 GameState::GameState()
@@ -18,3 +19,39 @@ GameState::GameState(int newHorizontal, int newVertical)
     sf::RenderWindow tempWindow(gameVideoMode, "SnakePlusPlus");
     return;
 }
+
+void GameState::startNewGame()
+{
+    gameWindow.create(gameVideoMode, "SnakePlusPlus");
+    sf::Time delay = sf::milliseconds(25);
+    int snakeDirection = 0;
+    Snake Player(sf::Vector2f(25,25));
+    sf::RectangleShape snakeHead(sf::Vector2f(25,25));
+    sf::RectangleShape snakeFood(sf::Vector2f(25,25));
+    snakeFood.setFillColor(sf::Color::Red);
+    snakeFood.setPosition(25,25);
+
+    while (gameWindow.isOpen())
+    {
+        sf::Event event;
+        while (gameWindow.pollEvent(event))
+        {
+            if ((event.type == sf::Event::Closed) || (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)))
+                gameWindow.close();
+        }
+        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Left))
+            snakeDirection = 1;
+        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up))
+            snakeDirection = 2;
+        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Down))
+            snakeDirection = 3;
+        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Right))
+            snakeDirection = 4;
+        Player.MoveSnake(snakeFood);
+        gameWindow.clear();
+        gameWindow.draw(snakeFood);
+        Player.DisplaySnake(gameWindow);
+        gameWindow.display();
+        sf::sleep(delay);
+    }
+}