Lab3Ira

import java.awt.Color;

import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Animation {

    JFrame frame;
    Figura figura;

    private int oneX = 100;
    private int oneY = 500;
    private int start = 610;
    private int d = 90;

    private int dX = 1;

    public static void main(String[] args)
    {
        new Animation().go();
    }

    private void go()
    {
        frame = new JFrame("Test");
        figura = new Figura();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setResizable(false);
        frame.setSize(1900, 1000);
        frame.add(figura);
        frame.setVisible(true);
        moveIt();

    }

    class Figura extends JPanel
    {
        public void paintComponent(Graphics g)
        {

            int xPoints[] = new int [362];

            int yPoints[] = new int[362];
            xPoints[181] = oneX - 50;
            yPoints[181] = oneY;

            for(int i = 1; i <= 180 ;  i++ )

            {

                xPoints[i] = (int) (Math.cos(Math.toRadians(i)) * 50) + oneX;
                yPoints[i] = (int) (Math.sin(Math.toRadians(i )) * 50) + oneY + 100;


            }
            xPoints[0] = oneX + 50;
            yPoints[0] = oneY + 100;

for(int i = 182; i <= 361 ;  i++ )

            {

                xPoints[i] = (int) (Math.cos(Math.toRadians(i + 90)) * 50) + oneX + 100;
                yPoints[i] = (int) (Math.sin(Math.toRadians(i + 90)) * 50) + oneY + 50;


            }
            g.setColor(Color.orange);
            g.fillPolygon(xPoints, yPoints, xPoints.length);
        }
    }

    private void moveIt()
    {

        while (true)
        {


            d -= dX;
            start += dX;
            if(d > 0) {
            oneX = (int) (Math.cos(Math.toRadians(d)) * 690) ;
            oneY = (int) (Math.sin(Math.toRadians(d)) * 690);
            try
            {
                Thread.sleep(30);
            }
            catch (Exception e)
            {
                e.printStackTrace();
            }
            }
            else {
             oneX = start;
             try
             {
                 Thread.sleep(2);
             }
             catch (Exception e)
             {
                 e.printStackTrace();
             }
            }
            if ( start >  1400 || start < 610) {
                dX = -dX;
            }

            frame.repaint();
        }
    }

    //тут можна дописати новий метод
}