用JavaFX创建平面平铺的六边形字段

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Polygon;
import javafx.stage.Stage;

public class HexFieldApplication extends Application {

    private static final int NUM_ROWS = 5;
    private static final int NUM_COLS = 5;

    @Override
    public void start(Stage primaryStage) {
        GridPane gridPane = new GridPane();

        for (int row = 0; row < NUM_ROWS; row++) {
            for (int col = 0; col < NUM_COLS; col++) {
                Polygon hexagon = createHexagon();
                gridPane.add(hexagon, col, row);
            }
        }

        Scene scene = new Scene(gridPane, 400, 400);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private Polygon createHexagon() {
        double size = 50; // 六边形的大小
        double centerX = size / 2;
        double centerY = size / 2;

        Polygon hexagon = new Polygon();
        hexagon.getPoints().addAll(
                centerX, centerY - size / 2,
                centerX + size / 2, centerY - size / 4,
                centerX + size / 2, centerY + size / 4,
                centerX, centerY + size / 2,
                centerX - size / 2, centerY + size / 4,
                centerX - size / 2, centerY - size / 4
        );

        hexagon.setFill(Color.LIGHTGRAY);
        hexagon.setStroke(Color.BLACK);

        return hexagon;
    }

    public static void main(String[] args) {
        launch(args);
    }
}