3. Cubic Curve

A cubic curve is drawn. Besides a start and end point, it has 2 control points.

The first control point determines the initial slope of the curve coming from the start point. Here since the control point has only the y-point different, its slope will point downwards in the y-direction.

The second control point determines the final slope of the curve going to the end point. Here since the control point has only the y-point different, its slope will point upwards in the y direction.

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package ex03;

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.CubicCurve;
import javafx.stage.Stage;

public class Ex03 extends Application {

    public static void main(String[] args) {
        Application.launch(args);
    }
    
    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("Example 3. Cubic Curve");
        Group root = new Group();
        Scene scene = new Scene(root, 320, 240, Color.WHITE);

        CubicCurve cubicCurve = new CubicCurve(
                20, 20,  // start x,y
                20, 220,  // control x1, y1 
                300, 220, // control x2, y2
                300, 20); // end x, y point
        cubicCurve.setStroke(Color.BLACK);
        cubicCurve.setStrokeWidth(3);
        cubicCurve.setFill(Color.WHITE);
                
        root.getChildren().add(cubicCurve);

        primaryStage.setScene(scene);
        primaryStage.show();
    }
}

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This is the output:

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