Added ability to play again

src/gamestate.cpp

@@ -31,6 +31,8 @@ namespace snakeplusplus
             if (isGameOver)
             {
                 graphics.CheckContinue();
+                player.Reset();
+                PrepareGameBoard();
                 isGameOver = 0;
             }
             UpdatePlayerSpeed();
@@ -69,7 +71,6 @@ namespace snakeplusplus
                 player.Pop();
         } catch (const std::out_of_range& error) {
             isGameOver = true; // Snake ran into edge
-            exit(0);
         }
     }
 

src/playerinterface.cpp

@@ -66,7 +66,7 @@ namespace snakeplusplus
         textPosition.y = textPosition.y / 2;
         sf::Font font;
         font.loadFromFile("Arial.ttf");
-        sf::Text gameOverText("Game Over", font);
+        sf::Text gameOverText("Game Over\nPress 'Enter' to play again", font);
         gameOverText.setPosition(textPosition);
         gameWindow.draw(gameOverText);
         gameWindow.display();

src/snake.cpp

@@ -14,6 +14,11 @@ namespace snakeplusplus
         body.pop();
     }
 
+    void Snake::Reset(void)
+    {
+        while (!body.empty()) Pop();
+    }
+
     Food::Food(void)
     {
         generator.seed(std::random_device{}());

src/snake.hpp

@@ -17,6 +17,7 @@ namespace snakeplusplus
         sf::Vector2f speed;
         std::queue<char*> body;
         void Pop(void);
+        void Reset(void);
     };
 
     struct Food