Статьи

JavaFX Game (Connect Four)

Это мой первый учебник по JavaFX и мой первый пост в блоге о панели JavaFX. Я сделал это, соединяя четыре игры всего с 200+ строками кода, достаточными для простой игры. Я использовал панель GridPane для разметки дисков, GridPane — это одна из панелей макета JavaFX, но она отличается от другой панели, поскольку она размещает своих дочерних элементов в гибкой сетке строк и столбцов.

Вот фрагмент кода о том, как установить столбец GridPanes и ограничение строки:

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gridpane.getColumnConstraints().addAll(new ColumnConstraints(100,100,Double.MAX_VALUE),
                new ColumnConstraints(100,100,Double.MAX_VALUE),
                new ColumnConstraints(100,100,Double.MAX_VALUE),
                new ColumnConstraints(100,100,Double.MAX_VALUE));
        gridpane.getRowConstraints().addAll(new RowConstraints(100,100,Double.MAX_VALUE),
                new RowConstraints(100,100,Double.MAX_VALUE),
                new RowConstraints(100,100,Double.MAX_VALUE),
                new RowConstraints(100,100,Double.MAX_VALUE));

GridPane будет иметь 4 строки и 4 столбца с шириной 100 квадратных квадратов.

Вы можете наслаждаться остальным кодом ниже.

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import javafx.animation.TranslateTransition;
import javafx.application.Application;
import javafx.beans.property.SimpleObjectProperty;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.effect.DropShadow;
import javafx.scene.effect.Reflection;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.*;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Path;
import javafx.scene.shape.Rectangle;
import javafx.scene.shape.Shape;
import javafx.stage.Stage;
import javafx.util.Duration;
 
 
/**
 *
 * @author mark_anro
 */
public class Main extends Application {
 
    /**
     * @param args the command line arguments
     */
     
    private SimpleObjectProperty<Color> playerColorProperty = new SimpleObjectProperty<Color>(Color.RED);
    private int r;
    private int c;
     
     
    public static void main(String[] args) {
        launch(args);
    }
     
    @Override
    public void start(Stage primaryStage) {
         
        final BorderPane root = new BorderPane();
        final GridPane gridpane = new GridPane();
        primaryStage.setTitle('JavaFX Connect Four');
        primaryStage.setResizable(true);
         
        final Button addCellButton = new Button('Add Grids');
         
        Scene scene = new Scene(root, 750, 680, true);
        scene.setFill(Color.BLACK);
        scene.getStylesheets().add('net/glyphsoft/styles.css');
         
        gridpane.setTranslateY(20);
        gridpane.setAlignment(Pos.CENTER);
         
        gridpane.getColumnConstraints().addAll(new ColumnConstraints(100,100,Double.MAX_VALUE),
                new ColumnConstraints(100,100,Double.MAX_VALUE),
                new ColumnConstraints(100,100,Double.MAX_VALUE),
                new ColumnConstraints(100,100,Double.MAX_VALUE));
        gridpane.getRowConstraints().addAll(new RowConstraints(100,100,Double.MAX_VALUE),
                new RowConstraints(100,100,Double.MAX_VALUE),
                new RowConstraints(100,100,Double.MAX_VALUE),
                new RowConstraints(100,100,Double.MAX_VALUE));
         
        createGrids(gridpane);
         
        root.setCenter(gridpane);
         
        DropShadow effect = new DropShadow();
        effect.setColor(Color.BLUE);
        addCellButton.setEffect(effect);
         
        addCellButton.setTranslateY(10);
        addCellButton.setTranslateX(10);
         
        root.setTop(addCellButton);
         
        addCellButton.setOnMouseClicked(new EventHandler<MouseEvent>(){
            @Override
            public void handle(MouseEvent arg0) {
                addGrid(gridpane);
            }
        });
  
        primaryStage.setScene(scene);
        primaryStage.setResizable(false);
        primaryStage.show();
    }
     
    //Add Column and Row
    private void addGrid(final GridPane gridpane){
        gridpane.getColumnConstraints().addAll(new ColumnConstraints(100,100,Double.MAX_VALUE));
        gridpane.getRowConstraints().addAll(new RowConstraints(100,100,Double.MAX_VALUE));
        createGrids(gridpane);
    }
     
    //Create Grids
    private void createGrids(final GridPane gridpane){
        gridpane.getChildren().clear();
        for(r=0;r<gridpane.getColumnConstraints().size(); r++){
            for(c=0; c<gridpane.getColumnConstraints().size(); c++){
                 
            Rectangle rect = new Rectangle(100,100);
            Circle circ = new Circle(47);
            circ.centerXProperty().set(50);
            circ.centerYProperty().set(50);
            Shape cell = Path.subtract(rect, circ);
            cell.setFill(Color.BLUE);
            cell.setStroke(Color.BLUE);
            cell.setOpacity(.8);
            DropShadow effect = new DropShadow();
            effect.setSpread(.2);
            effect.setRadius(25);
            effect.setColor(Color.BLUE);
            cell.setEffect(effect);
             
             
            final Circle diskPreview = new Circle(40);
            diskPreview.setOpacity(.5);
            diskPreview.setFill(Color.TRANSPARENT);
             
            diskPreview.setOnMouseEntered(new EventHandler<MouseEvent>(){
                @Override
                public void handle(MouseEvent arg0) {
                    diskPreview.setFill(Color.WHITE);
                    if(playerColorProperty.get()==Color.RED){
                        diskPreview.setFill(Color.RED);
                    }else{
                        diskPreview.setFill(Color.YELLOW);
                    }
                }
            });
             
            diskPreview.setOnMouseExited(new EventHandler<MouseEvent>(){
                @Override
                public void handle(MouseEvent arg0) {
                    diskPreview.setFill(Color.TRANSPARENT);
                }
            });
             
            final Circle disk = new Circle(40);
            disk.fillProperty().bind(playerColorProperty);
            disk.setOpacity(.5);
            disk.setTranslateY(-(100*(r+1)));
             
             
            final TranslateTransition translateTranstion = new TranslateTransition(Duration.millis(300), disk);
             
            disk.setOnMouseEntered(new EventHandler<MouseEvent>(){
                @Override
                public void handle(MouseEvent arg0) {
                    diskPreview.setFill(Color.WHITE);
                    if(playerColorProperty.get()==Color.RED){
                        diskPreview.setFill(Color.RED);
                    }else{
                        diskPreview.setFill(Color.YELLOW);
                    }
                }
            });
             
            disk.setOnMouseExited(new EventHandler<MouseEvent>(){
                @Override
                public void handle(MouseEvent arg0) {
                    diskPreview.setFill(Color.TRANSPARENT);
                }
            });
             
            disk.setOnMouseClicked(new EventHandler<MouseEvent>(){
                @Override
                public void handle(MouseEvent arg0) {
                    if(disk.getTranslateY()!=0){
                        translateTranstion.setToY(0);
                        translateTranstion.play();
                        if(playerColorProperty.get()==Color.RED){
                            playerColorProperty.set(Color.YELLOW);
                            disk.fillProperty().bind(new SimpleObjectProperty<Color>(Color.RED));
                        }else{
                            playerColorProperty.set(Color.RED);
                            disk.fillProperty().bind(new SimpleObjectProperty<Color>(Color.YELLOW));
                        }
                    }
                }
            });
             
            diskPreview.setOnMouseClicked(new EventHandler<MouseEvent>(){
                @Override
                public void handle(MouseEvent arg0) {
                    if(disk.getTranslateY()!=0){
                        translateTranstion.setToY(0);
                        translateTranstion.play();
                        if(playerColorProperty.get()==Color.RED){
                            playerColorProperty.set(Color.YELLOW);
                            disk.fillProperty().bind(new SimpleObjectProperty<Color>(Color.RED));
                        }else{
                            playerColorProperty.set(Color.RED);
                            disk.fillProperty().bind(new SimpleObjectProperty<Color>(Color.YELLOW));
                        }
                    }
                }
            });
             
             
            StackPane stack = new StackPane();
             
            stack.getChildren().addAll(cell, diskPreview, disk);
             
            gridpane.add(stack, c, r);
             
                if(r==gridpane.getColumnConstraints().size()-1){
                    stack.setEffect(new Reflection());
                }
            }
             
        }
    }
}

Приятного кодирования и не забудьте поделиться!

Ссылка: JavaFX Game (Connect Four) от нашего партнера по JCG Марка Анро Силва в блоге GlyphSoft .