comments added

GameUI.java

@@ -16,6 +16,9 @@ public class GameUI extends Application{
     private Label scoreLabelO= new Label("Player O: 0");
     private Button[] buttons = new Button[9]; 
 
+    /** Provides styles allignment and the scenes for labels, buttons and boxes.
+     * @param stage starts the scene and is the main stage for the application
+     */
     @Override
     public void start(Stage stage){
         playerLabel.setStyle("-fx-font-size: 30px; -fx-font-family: 'Impact'; -fx-text-fill: blue;");
@@ -35,16 +38,19 @@ public class GameUI extends Application{
 
         borderPane.setCenter(gridPane);
 
+        //HBox for the labels
         HBox Box = new HBox(20); 
         Box.setAlignment(Pos.CENTER);
         playerLabel.setAlignment(Pos.TOP_CENTER);
         playerLabel.setPadding(new Insets(10, 0, 15, 15));
         Box.getChildren().add(playerLabel);
 
+        //space between the labels
         Region spacer = new Region();
         HBox.setHgrow(spacer, Priority.ALWAYS);
         Box.getChildren().add(spacer);
         
+        //score labels design
         scoreLabelX.setAlignment(Pos.TOP_CENTER);
         scoreLabelO.setAlignment(Pos.TOP_CENTER);
         VBox scoreBox = new VBox(15); 
@@ -55,58 +61,78 @@ public class GameUI extends Application{
         Box.getChildren().add(scoreBox);
         borderPane.setTop(Box);
         
+        //board allignment 
         gridPane.setPadding(new Insets(10)); 
         gridPane.setHgap(30); 
         gridPane.setVgap(30); 
         gridPane.setAlignment(Pos.CENTER);
 
+        //main Scene 
         Scene scene = new Scene(borderPane, 1500, 850);
         stage.setScene(scene);
         stage.setTitle("Tick-Tack-Trauma");
         stage.show();
     } 
     
+    /** method for the game updating its state including changing turn of the player and check for win or tie. Images are set as symbols.
+     * 
+     * @param index of the selectet tile
+     */
     private void handleTurn(int index){
         if (board.tiles[index].exist_owner()) {
             return; 
         }
         board.tiles[index].set_owner(board.currentPlayer);
        
+        //Replace symbols with images
         String imageSymbols = board.currentPlayer == 0 ? getClass().getResource("/textures/1_0.png").toExternalForm() : getClass().getResource("/textures/0_0.png").toExternalForm();
         Image image = new Image(""+ imageSymbols);
         ImageView imageView = new ImageView(image);
 
+        //size of the image
         imageView.setFitWidth(135);  
         imageView.setFitHeight(135); 
         imageView.setPreserveRatio(true);
 
         buttons[index].setGraphic(imageView);
-
+        
         board.turnEnd();
         updatePlayerTurn(board.currentPlayer);
 
+        //changes label state for the winning player and updates its score
         if (board.victoryCheck()) {
             playerLabel.setText("Player " + (board.currentPlayer == 0 ? "X" : "O") + " wins!");
             updatePlayerScore();
             return; 
         } 
         
+        //changes label state to draw
         if (board.marks == 9) {
             playerLabel.setText("It's a draw!");
             return; 
         }
     }
 
+    /** updates the label of the current player 
+     * 
+     * @param currentPlayer player whose turn it is
+     */
     private void updatePlayerTurn(int currentPlayer) {
         String playerSymbol = (currentPlayer == 0) ? "X" : "O";
         playerLabel.setText("Player " + playerSymbol + "'s turn");
     }
 
+    /** updates the score of a player who won
+     * 
+     */
     private void updatePlayerScore(){
         scoreLabelX.setText("Player X: " + board.players[0].getPlayerScore());
         scoreLabelO.setText("Player O: " + board.players[1].getPlayerScore());
     }
-
+    /** starts the javafx application
+     * 
+     * @param args 
+     */
     public void call(String[] args){
        launch(args); 
     }