14.14 (Display a rectanguloid)
Write a program that displays a rectanguloid,
as shown in Figure 14.47a. The cube should grow
and shrink as the window grows or shrinks.
Write a program that displays a rectanguloid,
as shown in Figure 14.47a. The cube should grow
and shrink as the window grows or shrinks.
import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.layout.Pane; import javafx.scene.paint.Color; import javafx.scene.shape.Line; import javafx.scene.shape.Rectangle; import javafx.scene.shape.Shape; import javafx.stage.Stage; import java.util.ArrayList; public class Exercise_14 extends Application { @Override public void start(Stage primaryStage) { Pane pane = new Pane(); ArrayList<Shape> shapes = new ArrayList<>(); Rectangle rec1 = new Rectangle(0,0, Color.TRANSPARENT); rec1.setStroke(Color.BLACK); rec1.xProperty().bind(pane.widthProperty().divide(4).subtract(25)); rec1.yProperty().bind(pane.heightProperty().divide(4).add(25)); rec1.widthProperty().bind(pane.widthProperty().divide(2)); rec1.heightProperty().bind(pane.widthProperty().divide(2)); shapes.add(rec1); Rectangle rec2 = new Rectangle(0,0, Color.TRANSPARENT); rec2.setStroke(Color.BLACK); rec2.xProperty().bind(pane.widthProperty().divide(4).add(25)); rec2.yProperty().bind(pane.heightProperty().divide(4).subtract(25)); rec2.widthProperty().bind(pane.widthProperty().divide(2)); rec2.heightProperty().bind(pane.widthProperty().divide(2)); shapes.add(rec2); Line line1 = new Line(); line1.startXProperty().bind(rec1.xProperty()); line1.startYProperty().bind(rec1.yProperty()); line1.endXProperty().bind(rec2.xProperty()); line1.endYProperty().bind(rec2.yProperty()); shapes.add(line1); Line line2 = new Line(); line2.startXProperty().bind(rec1.xProperty()); line2.startYProperty().bind(rec1.yProperty().add(rec1.heightProperty())); line2.endXProperty().bind(rec2.xProperty()); line2.endYProperty().bind(rec2.yProperty().add(rec1.heightProperty())); shapes.add(line2); Line line3 = new Line(); line3.startXProperty().bind(rec1.xProperty().add(rec1.widthProperty())); line3.startYProperty().bind(rec1.yProperty().add(rec1.heightProperty())); line3.endXProperty().bind(rec2.xProperty().add(rec1.widthProperty())); line3.endYProperty().bind(rec2.yProperty().add(rec1.heightProperty())); shapes.add(line3); Line line4 = new Line(); line4.startXProperty().bind(rec1.xProperty().add(rec1.widthProperty())); line4.startYProperty().bind(rec1.yProperty()); line4.endXProperty().bind(rec2.xProperty().add(rec1.widthProperty())); line4.endYProperty().bind(rec2.yProperty()); shapes.add(line4); pane.getChildren().addAll(shapes); Scene scene = new Scene(pane, 400, 400); scene.xProperty().add(scene.yProperty()); primaryStage.setTitle("Welcome to Java"); primaryStage.setScene(scene); primaryStage.show(); } public static void main(String[] args) { Application.launch(args); } }
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