import java.awt.geom.*;
import java.awt.*;
import java.util.ArrayList;
import java.lang.Math;

public class Circle implements FractalObject
{
    private Point2D.Double center;
    private double radius;
    private static double numChildren;

    public Circle(Point2D.Double center_, double radius_)
    {
        center = center_;
        radius = radius_;
    }

    public void draw(Graphics2D g2)
    {
        g2.draw(new Ellipse2D.Double(center.getX() - radius, center.getY() - radius, 2 * radius, 2 * radius));
    }
    
    public ArrayList addChildren(ArrayList cur)
    {
        for(double theta = 0; theta <= 360; theta += 360.0 / numChildren)
        {
            cur.add(new Circle(new Point2D.Double(center.getX() + (radius / 2.0) * Math.cos(Math.toRadians(theta)), center.getY() + (radius / 2.0) * Math.sin(Math.toRadians(theta))), radius / 2.0));
        }
        return cur;
    }
    
    public void setParameter(double numChildren_)
    {
        numChildren = numChildren_;
    }
    }