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Код

import java.awt.Graphics;
import javax.swing.JPanel;
 
public class Surface extends JPanel{
    double a1 = 0.745455;
    double b1 = -0.459091;
    double d1 = 0.406061;
    double e1 = 0.887121;
    double c1 = 1.460279;
    double f1 = 0.691072;
    double p1 = 0.912675;
 
    double a2 = -0.424242;
    double b2 = -0.065152;
    double d2 = -0.175758;
    double e2 = -0.218182;
    double c2 = -0.809567;
    double f2 = 6.460279;
    double p2 = 0.087325;
 
    double x1(double x, double y) {
        return a1 * x + b1 * y + c1;
    }
 
    double y1(double x, double y) {
        return d1 * x + e1 * y + f1;
    }
 
    double x2(double x, double y) {
        return a2 * x + b2 * y + c2;
    }
 
    double y2(double x, double y) {
        return d2 * x + e2 * y + f2;
    }
 
    public void paint(Graphics g) {
        drawFractal(g);
    }
 
    void drawFractal(Graphics g) {
        double x1 = 300;
        double y1 = 300;
        double x2 = 0;
        double y2 = 0;
        g.fillOval(300 + (int) x1, 300 + (int) y1, 3, 3);
        for (int i = 0; i < 10000; i++) {
            double p = Math.random();
            if (p < 0.91675) {
                x2 = x1(x1, y1);
                y2 = y1(x1, y1);
                g.fillOval(300 + (int) x2, 300 + (int) y2, 3, 3);
                x1 = x2;
                y1 = y2;
            } else {
                x2 = x2(x1, y1);
                y2 = y2(x1, y1);
                g.fillOval(300 + (int) x2, 300 + (int) y2, 3, 3);
                x1 = x2;
                y1 = y2;
            }
        }
    }