Write the code for drawing an ellipse as according to the instructions. For now

Question

Write the code for drawing an ellipse as according to the instructions.

For now we will define a to be the semimajor axis, and b to be the semiminor axis. Using the semimajor and semiminor axis values (a and b), we can redefine the x and y locations as a function of an angle. X = acos Write a function called drawellipse() that takes in two inputs. The inputs represent the a and b values respectively. Then, animate a plot that draws an ellipse. The animation should show the ellipse being drawn from an angle of 0, all the way through 360 degrees. There should also be a line from the center to the ellipse that will also be animated, along with a point on the ellipse that's also animated

Explanation / Answer

import javax.swing.*;
import java.awt.*;
import java.awt.geom.Ellipse2D;

public class DrawEllipse extends JApplet {
    @Override
    public void paint(Graphics g) {
        Graphics2D g2 = (Graphics2D) g;
       
        g2.setPaint(Color.RED);
        g2.setStroke(new BasicStroke(5.0f));
        g2.draw(new Ellipse2D.Double(50, 50, 250, 250));

        g2.setPaint(Color.BLUE);
        g2.fill(new Ellipse2D.Double(10, 10, 40, 40));

        g2.setPaint(Color.YELLOW);
        g2.fill(new Ellipse2D.Double(10, 300, 40, 40));

        g2.setPaint(Color.GREEN);
        g2.fill(new Ellipse2D.Double(300, 300, 40, 40));

        g2.setPaint(Color.ORANGE);
        g2.fill(new Ellipse2D.Double(300, 10, 40, 40));
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame("Draw Ellipse Demo");
        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        JApplet applet = new DrawEllipse();
        frame.getContentPane().add(applet);
        frame.pack();
        frame.setSize(new Dimension(400, 400));
        frame.setVisible(true);
    }
}

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