anagent.java

一个repastJ的例子

import java.awt.Color;
import java.awt.Image;
import java.util.Vector;
import javax.swing.ImageIcon;
import java.lang.Object;


import uchicago.src.sim.gui.Drawable;
import uchicago.src.sim.gui.SimGraphics;
import uchicago.src.sim.space.Object2DTorus;
import uchicago.src.sim.util.Random;
import uchicago.src.sim.util.SimUtilities;


public class anAgent implements Drawable {
	public final static int police=0;
	public final static int thief=1;
	public int X, Y;
	public Object2DTorus space;
	public int type;
	public Color color=Color.blue;
	public int direction;
	public int step;
	
	public anAgent(int x, int y, Object2DTorus space){
	    this.space = space;
	    this.X=x;
	    this.Y=y;
	}
	

public anAgent(Object2DTorus space,int spSz){
		
		this.space=space;
		this.step=0;
		double tempD=Math.random();
		System.out.println(tempD);
		do {
			this.X=Random.uniform.nextIntFromTo(0,space.getSizeX()-1);
			this.Y=Random.uniform.nextIntFromTo(0,space.getSizeY()-1);
			}
		while(space.getObjectAt(this.X,this.Y)!=null);
		space.putObjectAt(this.X,this.Y,this);
		if( Math.random() <= 0.77) 
			type=this.type=0;
		else
			type=this.type=1;

	}
	
	@Override
	public void draw(SimGraphics arg0) {
		// TODO Auto-generated method stub
		
		
		//
		if (this.type==police){
//			arg0.drawImage(this.policePicture);
			arg0.drawCircle(Color.green);
//			this.loadpolicePicture();
		}
		
		else {
//			arg0.drawImage(this.thiefPicture);
			arg0.drawCircle(Color.red);
//		this.loadthiefPicture();}
	}}
	/*
//	private static Image policePicture;
//	private static Image thiefPicture;
//	
//	private static void loadpolicePicture() {
//		   if (policePicture == null) {
//		      java.net.URL policePicURL = 
//		             anAgent.class.getResource("33.jpg");
//		      policePicture = new ImageIcon(policePicURL).getImage(); 
//		   }
//		}
//	private static void loadthiefPicture() {
//		   if (thiefPicture == null) {
//		      java.net.URL thiefPicURL = 
//		             anAgent.class.getResource("34.jpg");
//		     thiefPicture = new ImageIcon(thiefPicURL).getImage(); 
//		   }
//		}*/
	@Override
	public int getX() {
		// TODO Auto-generated method stub
		return 0;
	}
	public void move (){
		int direction,newx,newy,counter;
		newx=X;
		newy=Y;
		counter=0;
		do
			{
			counter++;
			//if the agent is inspired its direction is set in getinspired
			//else set random.
			if(isInspired())
		    getInspired();
			else{
				this.direction= Random.uniform.nextIntFromTo(0, 7);}
			Vector nbors=null;
			nbors=space.getMooreNeighbors(this.X, this.Y, false);
			if (nbors.size()==8)break;
			if (counter>1)this.direction = Random.uniform.nextIntFromTo(0, 7);						
			newx=X;
			newy=Y;
					
			switch( this.direction )
				
					{
						case 0:		++newx; ++newy;    	break;	
						case 1:		++newx; ++newy;	break;
						case 2:		        ++newy;	break;
						case 3:		--newx; ++newy;	break;
						case 4:		--newx;     	break;
						case 5:		--newx; --newy;	break;
						case 6:		        --newy;	break;
						case 7:		++newx; --newy;	break;
						default:
					}
			}while(space.getObjectAt(newx, newy)!=null);				
			space.putObjectAt(X,Y,null);
			X=newx;
			Y=newy;
			space.putObjectAt(X, Y, this);
			
	}
	public boolean isInspired(){
		Vector nbors=null;
		boolean mybool=false;
		if (this.type==police){
			nbors=space.getMooreNeighbors(this.X, this.Y,5,5, false);
			for (int i=0; i<(nbors.size()-1);i++){
			anAgent nghbAgent=(anAgent) nbors.get(i);
			if(nghbAgent.type==thief)mybool=true;
			else
				direction = Random.uniform.nextIntFromTo(0, 7);
			}
		}
		else {
			for (int k = 0 ; k<10; k++){
				if(this.direction==6){
					nbors=space.getMooreNeighbors(this.Y,k,false);
					for (int i=0; i<(nbors.size()-1);i++){
						anAgent nghbAgent=(anAgent) nbors.get(i);
						if(nghbAgent.type!=police)mybool=true;
						
					}}
					else if
					(this.direction==2){
					nbors=space.getMooreNeighbors(this.X, this.Y,k,k,false);
						for (int i=0; i<(nbors.size()-1);i++){
							anAgent nghbAgent=(anAgent) nbors.get(i);
							if(nghbAgent.type!=police)mybool=true;
							else repel(nghbAgent.direction);	
						}}}}
		
		return mybool;
			}
//	if (nbors.size()>0)
//		return true;
//	else 431
//		return false;}

	
		
	public void getInspired(){
		Vector nbors=null;
		if (this.type==police)nbors=space.getMooreNeighbors(this.X, this.Y,5,5, false);
		else nbors=space.getVonNeumannNeighbors(this.X, this.Y,10,10, false);
		SimUtilities.shuffle(nbors);
		if (this.type==thief){
			for (int i=0; i<(nbors.size()-1);i++){
				anAgent nghbAgent=(anAgent) nbors.get(i);
				if (nghbAgent.type==police){
					repel((nghbAgent.direction));
					break;
				}
			}
		}
		else {
			for (int i=0; i<(nbors.size()-1);i++){
				anAgent nghbAgent=(anAgent) nbors.get(i);
				if (nghbAgent.type==thief){
					attract(this.X,this.Y, nghbAgent.X,nghbAgent.Y);
					if((this.X-5 < nghbAgent.X) ||(nghbAgent.X < this.X+5) || (this.Y-5 < nghbAgent.Y) || (nghbAgent.Y < this.Y+5)){
						space.putObjectAt(nghbAgent.X, nghbAgent.Y, null);
					System.out.println("try");}
										
				}
			}
		}	
	}

      //	3 2 1
	//		4 A 0
	//		5 6 7


	private void attract(int x1, int y1, int x2, int y2) {
		if (x2>x1){
			if(y2>y1)this.direction=1;
			else if(y2==y1)this.direction=0;
			else this.direction=7;
		}
		if (x2==x1){
			if(y2>y1)this.direction=2;
			//IMPOSSIBLE!:else if(y2==y1)this.direction=???;
			else this.direction=6;
		}
		if (x2<x1){
			if(y2>y1)this.direction=3;
			else if(y2==y1)this.direction=4;
			else this.direction=5;
		}
	}

	private void repel(int direction2 ) {
if (this.direction==7)
	this.direction=3;
else if (direction2==5)
	this.direction=1;
else if(direction2==3)
	this.direction=7;
else if(direction2==1)
	this.direction=5;
else if (direction2==2)
	this.direction=6;
else if(direction2==4)
	this.direction=0;
else 
	this.direction=4;

		
		}
		  //	3 2 1
		//		4 A 0
		//		5 6 7
		
	
		

	@Override
	public int getY() {
		// TODO Auto-generated method stub
		return 0;
	}

}