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

public class MapWalk2 extends Applet implements Runnable{
	Thread th;
	Udr udr;

	public void init(){
		EzImg.init(this);
		udr = new Udr(size());
		Dimension sz = new Dimension(32,32);
		Node2 nd = makeMap(sz);
		for(int i=0;i<4;i++){
			Image img = EzImg.o.maru(sz, Rnd.color());
			img = EzImg.o.alphaImg(img);
			int speed = Rnd.get(3, 10);
			udr.add(new Walker2(img, nd, speed));
		}
		udr.add(new BakGrad2(size()));
		th = new Thread(this);
		th.start();
	}
	Node2 makeMap(Dimension sz){
		Node2[] ns = new Node2[5];
		int i;
		for(i=0;i<ns.length;i++){
			Rectangle r = new Rectangle(size());
			Point h = Pts.cen(sz);
			r.grow(-h.x, -h.y);
			udr.add(ns[i] = new Node2(r));
		}
		for(i=0;i<ns.length;i++){
			for(int j=i+1;j<ns.length;j++){
				udr.add(new Road2(ns[i], ns[j]));
			}
		}
		return ns[0];
	}
	public void run(){
		while(th.isAlive()){
			try{
				th.sleep(100);
			}catch(InterruptedException e){}
			udr.update();
			repaint();
		}
	}
	public void update(Graphics g){
		udr.update(g);
	}
}
class Walker2 extends Drr{
	Wlk wlk;
	Image img;

	public Walker2(Image img, Node2 node, double speed){
		super(20);
		this.img = img;
		wlk = new Wlk((Sen)node.ten.lst.firstElement(), speed, false);
	}	
	public void update(){
		wlk.update();
	}
	public void draw(Graphics g){
		Rectangle r = Rects.cenRect(wlk.pt(), EzImg.size(img));
		g.drawImage(img, r.x, r.y, null);
	}
}
class Node2 extends Drr{
	public Ten ten;
	MySin sx, sy;
	GradCol gcol;
	public Node2(Rectangle area){
		super(12);
		sx = new MySin(area.x,area.x+area.width,Rnd.get(100,200),-1);
		sy = new MySin(area.y,area.y+area.height,Rnd.get(100,200),-1);
		ten = new Ten(sx.get(), sy.get());
		gcol = new GradCol();
	}
	public void update(){
		ten.setPt(new Point(sx.get(),sy.get()));
	}
	public void draw(Graphics g){
		g.setColor(gcol.get());
		Dimension sz = new Dimension(16,16);
		Rects.fill(g, Rects.cenRect(ten.pt(),sz));
	}
}
class Road2 extends Drr{
	public Sen sen;
	static GradCol gcol = new GradCol();
	public Road2(Node2 s, Node2 e){
		super(10);
		sen = new Sen(s.ten, e.ten);
	}
	public void draw(Graphics g){
		g.setColor(gcol.get());
		Pts.line(g, sen.s.pt(), sen.e.pt());
	}
}
class BakGrad2 extends Drr{
	GradCol gcol;
	Color col;
	Rectangle r;
	public BakGrad2(Dimension sz){
		r = new Rectangle(sz);
		gcol = new GradCol();
	}
	public void update(){
		col = gcol.get();
	}
	public void draw(Graphics g){
		g.setColor(col);
		Rects.fill(g, r);
	}
}

// EOF