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

public class menu extends Applet implements Runnable {

Image off;
Image star_img;
Image back;
Image star;

Graphics back_g;
Graphics off_g;
Thread th;
MediaTracker mt;


String s;  
char c[] = new char[30];
top_char t_char[] = new top_char[30];
int mouse_x;
int mouse_y;
double ra;
double char_ra;
int fast_draw[] = new int[30];
int count_f;
int last_draw[] = new int[30];
int count_l;

//BackEffect3 be3[] = new BackEffect3[10];
title t[] = new title[10];
int title_num;

Font font1;
Font font2;
Color color[][][] = new Color[9][9][9];

boolean back_draw;
  /*********init()***********/
  public void init(){
    off = createImage(500,500);
    off_g = off.getGraphics();
    th = null;
    mt = new MediaTracker(this);
    
    //addMouseListener(this);
    //addMouseMotionListener(this);
    
    star_img = getImage(getCodeBase(),"back.gif");
    mt.addImage(star_img,0);
    back = createImage(500,500);
    back_g = back.getGraphics();
    
    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);
    count_f = 0;
    count_l = 0;
    
    mouse_x = 200;
    mouse_y = 200;
    ra = Math.PI/2;
    char_ra = Math.PI*2;
//    for (int i = 0; i < 10; i++)
 //     be3[i] = new BackEffect3();
    String url = getDocumentBase().toString();
    url = url.substring(0,url.lastIndexOf("/")+1);
    //System.out.println(url);
    t[0] = new title("Profile",url+"profile.html",0);
    t[1] = new title("Program",url+"prog/prog.html",0);
    t[2] = new title("Games",url+"games/games.html",0);
    t[3] = new title("Movie",url+"dvd/movie.html",0);
    t[4] = new title("BBS",
		     "http://www.kouenkai.org/~af/aizu/bbs/apeboard.cgi",1);
    t[5] = new title("Chat",
		     "http://www.telejapan.com/~af/aizu/chat/index.html",1);
    t[6] = new title("Link",url+"link.html",0);
    title_num = 7;
    
    font1 = new Font("Dialog",Font.PLAIN,20);
    font2 = new Font("Serif",Font.ITALIC,30);
    
    for (int r = 0; r < 9; r++){
      for (int g = 0; g < 9; g++){
	for (int b = 0; b < 9; b++){
	  color[r][g][b] = new Color(r>0?(r*32)-1:0,
				     g>0?(g*32)-1:0,
				     b>0?(b*32)-1:0);
	}
      }
    }
    back_draw = false;
  }
  
  /*********start()**********/
  public void start(){
    if(th == null){
      th = new Thread(this);
      th.start();
    }
  }
  
  /********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)){
      if (!back_draw){
	  for (int x = 0; x < 500; x += 150){
	    for (int y = 0; y < 500; y+= 150){
	      back_g.drawImage(star_img,x,y,this);
	      back_draw = true;
	  }
	}
      }
      off_g.drawImage(back,0,0,this);
      
      /********マウスの位置とくらべる******/
      for (int i = 0; i < title_num; i++)
	t[i].mouse_move(mouse_x,mouse_y,getFontMetrics(font2));
      
      /********タイトルをうごかす***********/
      for (int i = 0; i < title_num; i++){
	double ra2 = ra + ((Math.PI*2)/title_num)*i;
	t[i].setXY(ra2);
      }
      
      for (int i = 0; i < s.length(); i++){
	double char_ra2 = char_ra + ((Math.PI/16)*i);
	t_char[i].setXY(char_ra2,color);
	
	if (Math.sin(char_ra2) >= 0){
	  if (count_f <= 29)
	    fast_draw[count_f++] = i;
	}
	else {
	  if (count_l <= 29)
	    last_draw[count_l++] = i;
	}
      }
      off_g.setFont(font1);
      for (int i = 0; i < count_f; i++)
	t_char[fast_draw[i]].draw(off_g);
      
      off_g.drawImage(star,(getSize().width/2)-90,
		      (getSize().height/2)-69,this);
      
      /********タイトルを書く************/
      off_g.setFont(font2);
      for (int i = 0; i < title_num; i++)
	t[i].draw(off_g,off_g.getFontMetrics());
      
      off_g.setFont(font1);
      for (int i = 0; i < count_l; i++)
	t_char[last_draw[i]].draw(off_g);
      
//      for (int i = 0; i < 5; i++)
//	be3[i].draw(mouse_x, mouse_y, off_g);
//      for (int i = 5; i < 10; i++)
//	be3[i].draw2(mouse_x,mouse_y,off_g);
      /*********raをうごかす**********/
      if (ra >= (Math.PI/2)+((Math.PI/(64*2))*((64*2)-1)*2))
	ra = Math.PI/2;
      else
	ra += Math.PI/(64*2);
      
      if (char_ra < Math.PI/16)
	char_ra = Math.PI*2;
      else
	char_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 Loading...",50,50);
    }
    g.drawImage(off,0,0,this);
  }
  
  public boolean mouseDown(Event evt,int x, int y){
    for (int i = 0; i < title_num; i++)
      t[i].clic(getAppletContext());
    return true;
  }
  
  /*
    public void mouseClicked (MouseEvent e){
    
    
    }
    */
  /*
    public void mouseMoved (MouseEvent e){
    mouse_x = e.getX();
    mouse_y = e.getY();
    }
    */
  public boolean mouseMove(Event evt,int x, int y){
    mouse_x = x;
    mouse_y = y;
    return true;
  }
  public void stop(){
    if (th != null){
      th.stop();
      th = null;
    }
  }
}