Animation_Lab4_Pip

class Animation implements Runnable
{
    private javax.swing.JFrame Fr;
    private int R;
    private int X, Y;
    public Animation(javax.swing.JFrame Fr_, int R_, int x_, int y_)
    {
        Fr = Fr_;
        R = R_;
        X = x_;
        Y = y_;
    }
    @Override
    public void run() {
       Graphics g = Fr.getGraphics();
       Polygon trianglePol = new Polygon(new int[] {150,150,(150-10*(R/2))}, new int[] {150-10*R, 150,150}, 3);
        try
        {
        for(int i=10*R/8; i > 1; i--)
        {
        sleep(40);
        paintR(g,R);
        g.setColor(Color.GREEN);
        g.drawOval(X-i/2, Y-i/2, i, i);
        }
        }
        catch(InterruptedException e){
        }
    }

     public void paintR(Graphics g, int R)
    {
        paintFieldXY(g);
        if(R !=0)
        {
        g.setColor(Color.black);
        g.drawLine(145,150+10*R,155,150+10*R);
        g.drawString("-R", 145-15, 150+10*R+10);
        g.drawLine(145,150-10*(R/2),155,150-10*(R/2));
        g.drawString("R", 145+15, 150-10*(R/2)-4);
        g.drawLine(150+10*R,145,150+10*R,155);
        g.drawString("R", 150+10*R, 170);
        g.drawLine(150-10*R,145,150-10*R,155);
        g.drawString("-R", 150-10*R-8, 145);

        g.setColor(Color.YELLOW);
        Polygon trianglePol = new Polygon(new int[] {150,150,(150+10*(R/2))}, new int[] {150+10*R, 150,150}, 3);
        g.drawPolygon(trianglePol);
        g.drawRect(150, 150-5*R, R*10, R*5);
        g.drawArc(150-R*10,150-R*10,R*20,R*20,180,90);
        g.setColor(Color.BLACK);
        g.fillPolygon(trianglePol);
        g.fillRect(150, 150-5*R, R*10, R*5);
        g.fillArc(150-R*10,150-R*10,R*20,R*20,180,90);
        }
        else
        {
          g.drawString("R", 153, 165);
        }
    }

      public void paintFieldXY(Graphics g)
    {
        g.clearRect(1, 1, 300, 300);
        g.setColor(Color.black);
         //Отрисовываем координатную плоскость
         final int OX_X_1 = 40;
         final int OX_X_2 = 270;
         final int OX_Y = 150;
         final int OY_X = 150;
         final int OY_Y_1 = 60;
         final int OY_Y_2 = 250;
         g.drawLine(OY_X, OY_Y_1, OY_X, OY_Y_2);                //ось OY
         g.drawLine(OX_X_1, OX_Y, OX_X_2, OX_Y);                //ось OX
         g.drawString("Y", OY_X+5, OY_Y_1+5);                  //подписываем оси
         g.drawString("X", OX_X_2-5, OX_Y-5);
         g.drawLine(OY_X, OY_Y_1, OY_X+2, OY_Y_1+6);
         g.drawLine(OY_X, OY_Y_1, OY_X-2, OY_Y_1+6);
         g.drawLine(OX_X_2, OX_Y, OX_X_2-6, OX_Y-2);
         g.drawLine(OX_X_2, OX_Y, OX_X_2-6, OX_Y+2);
    }
}