import java.applet.Applet;
import java.awt.*;




/*This Applet just prints some
words on a black background.  It contains
the two basic methods which are typically in
a graphics applet.  The init() method is mandatory.
The paint() method is what draws the picture. */





public class test1 extends Applet {
    MotionCanvas X;
    Animator A;
    public void init() {    
        A=new Animator();
	X=new MotionCanvas();
	A=A.addMotionCanvas(X); 
	setBackground(Color.black);
    X.setBackground(Color.black);
    X.resize(100,100);  
    add(X);
    try {A.start();} catch(Exception e) {} 
    } 





    public void paint(Graphics gfx) {
      Graphics2D g=(Graphics2D) gfx;
      g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                         RenderingHints.VALUE_ANTIALIAS_ON);
      g.setFont(new Font("Helvetica",Font.PLAIN,20));
      g.setColor(Color.yellow);
      g.drawString("Rich: ",10,140);
      g.drawString("Applet 35 ",10,160);
    }

}



class DBCanvas extends Canvas {
    
    public void update(Graphics g) {
        Graphics g2;
        Image offscreen = null;
        offscreen = createImage(size().width, size().height);
        g2 = offscreen.getGraphics();
        paint(g2);
        g.drawImage(offscreen, 0, 0, this);
	offscreen.flush();
    }
}


class MotionCanvas extends DBCanvas {

    Penny[] P=new Penny[30];
    int count;


    MotionCanvas() {
	count=5;

	P[4]=new Penny(2,50,50,40,40,.12,0,Color.red,Color.green);
	P[2]=new Penny(1,80,15,30,30,.18,0,Color.green,Color.yellow);
	P[3]=new Penny(1,20,70,40,40,.16,0,Color.blue,Color.yellow);
        P[1]=new Penny(2,80,70,45,45,.14,0,Color.orange,Color.cyan);
        P[5]=new Penny(1,15,10,40,40,.10,0,Color.pink,Color.magenta);




    }

    public void paint(Graphics g) {                    
    
	for(int j=1;j<=count;++j) 	P[j].render(g);

    }
}






class Penny {
    double WIDTH,HEIGHT,SPEED,CLOCK;
    int x,y;
    int type;
    Color C1,C2;
    Penny(int t,int x,int y,double w,double h,double s,double c,Color c1,Color c2) {
	this.WIDTH=w;
	this.HEIGHT=h;
	this.SPEED=s;
	this.CLOCK=c;
	this.C1=c1;
	this.C2=c2;
	this.x=x;
	this.y=y;
	this.type=t;
    }

    void render(Graphics g)
    {
	double temp=Math.cos(CLOCK);
	g.setColor(C1);
	if(temp<0) {
	    temp=-temp;
	    g.setColor(C2);
	}

	if(type==1) {
	int w=(int)(WIDTH*temp);
	int h=(int)(HEIGHT);
	g.fillOval(x-w,y-h,2*w,2*h);
	g.setColor(Color.black);
        g.drawOval(x-w,y-h,2*w,2*h);
	}

	if(type==2) {
	int w=(int)(WIDTH);
	int h=(int)(HEIGHT*temp);
	g.fillOval(x-w,y-h,2*w,2*h);
	g.setColor(Color.black);
        g.drawOval(x-w,y-h,2*w,2*h);
	}

    }

    void evolve() {
	CLOCK=CLOCK+SPEED;
    }


}




    


class Animator extends Thread {
    MotionCanvas X;

    public void run() {
	while(true) {
	    for(int j=1;j<=X.count;++j)	    X.P[j].evolve();
            X.repaint();
	    try {sleep(20);}
	    catch(Exception e) {}
	}
    }

    Animator addMotionCanvas(MotionCanvas X) {
	Animator B=this;
	B.X=X;
	return(B);
    }


}