Possibly fix bug

src/MenuPanel.java

@@ -165,6 +165,8 @@ public class MenuPanel extends JPanel implements Runnable, KeyListener{
                 try {
                     GameFrame.main.remove(GameFrame.game);
                     GameFrame.game.isRunning = false;
+                    GameFrame.game.player.xVelocity = 0;
+                    GameFrame.game.player.yVelocity = 0;
                     GameFrame.game = new GamePanel(GameFrame.main); //run GamePanel constructor
                     GameFrame.game.startThread();
                     GameFrame.main.add(GameFrame.game, "game", 0);