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

public class top extends Applet implements Runnable {

Image off;
Image back;
Image star;

Graphics off_g;
Thread th;
MediaTracker mt;
String s;
char c[] = new char[30];
top_char t_char[] = new top_char[30];

double ra;
int fast_draw[] = new int[30];
int count_f;
int last_draw[] = new int[30];
int count_l;
	/*********init()***********/
	public void init(){
		off = createImage(300,300);
		off_g = off.getGraphics();
		th = null;
		mt = new MediaTracker(this);
		s = "Welcome to My Homepage!";
		s.getChars(0,s.length(),c,0);
		for (int i = 0; i < s.length(); i++)
			t_char[i] = new top_char(c[i]);
		
		star = getImage(getCodeBase(),"star.gif");
		mt.addImage(star,0);
		
		back = getImage(getCodeBase(),"back.gif");
		mt.addImage(back,0);
		ra = Math.PI*2;
		count_f = 0;
		count_l = 0;
	}

	/*********start()**********/
	public void start(){
	  if (th == null){
	    th = new Thread(this);
	    th.start();
	  }
	}
  public void stop(){
    if (th != null){
      th.stop();
      th = null;
    }
  }
  
	/********update()**********/
	public void update(Graphics g){
		paint(g);
	}

	/********run()***********/
	public void run(){
		while (true){
			if (mt.checkID(0)){
				repaint();
			}
			else {
				try {
					mt.waitForID(0);
				}catch(InterruptedException e){}
			}

			/********sleep*********/
			try{
				th.sleep(120);
			} catch (InterruptedException e){}

		}
	}

	/*********paint()*********/
	public void paint(Graphics g){
		if (mt.isErrorID(0)){
			off_g.setColor(Color.black);
			off_g.fillRect(0,0,getSize().width,getSize().height);
			off_g.setColor(Color.white);
			off_g.drawString("Load Error...",50,50);
		}
		else if (mt.checkID(0)){
			off_g.drawImage(back,0,0,this);
			off_g.setFont(new Font("Dialog",Font.PLAIN,20));
			
			for (int i = 0; i < s.length(); i++){
				double ra2 = ra + ((Math.PI/16)*i);
				t_char[i].setXY(ra2);

				if (Math.sin(ra2) >= 0)
					fast_draw[count_f++] = i;
				else 
					last_draw[count_l++] = i;
			}

			for (int i = 0; i < count_f; i++)
				t_char[fast_draw[i]].draw(off_g);
			
			off_g.drawImage(star,(getSize().width/2)-75,
			(getSize().height/2)-75,this);

			for (int i = 0; i < count_l; i++)
				t_char[last_draw[i]].draw(off_g);

			if (ra < Math.PI/16)
				ra = Math.PI*2;
			else
				ra -= Math.PI/16;

			
			count_f = 0;
			count_l = 0;
		}
		else {
			off_g.setColor(Color.black);
			off_g.fillRect(0,0,getSize().width,getSize().height);
			off_g.setColor(Color.white);
			off_g.drawString("Now Loding...",50,50);
		}
		g.drawImage(off,0,0,this);
	}

}