mavdemowithui.java

MASON代表多主体邻里或网络仿真(Multi-Agent Simulator of Neighborhoods or Networks)。它是乔治梅森大学用Java开发的离散事件多主体仿真核心库

package sim.app.mav;

import sim.portrayal.continuous.*;
import sim.portrayal.simple.*;
import sim.engine.*;
import sim.display.*;
import javax.swing.*;
import java.awt.Color;

public class MavDemoWithUI extends GUIState
    {
    public Display2D display;
    public JFrame displayFrame;

    public static void main(String[] args)
        {
        MavDemoWithUI mav = new MavDemoWithUI();  // randomizes by currentTimeMillis
        Console c = new Console(mav);
        c.setVisible(true);
        }

    ContinuousPortrayal2D obstaclePortrayal = new ContinuousPortrayal2D();
    ContinuousPortrayal2D mavPortrayal = new ContinuousPortrayal2D();
    
    public MavDemoWithUI()
        {
        super(new MavDemo(System.currentTimeMillis()));
        }
    
    public MavDemoWithUI(SimState state) 
        {
        super(state);
        }

    public String getName() { return "Micro Air Vehicles"; }

    public String getInfo()
        {
        return "<H2>Micro Air Vehicles</H2>by Sean Luke.";
        }

    public void start()
        {
        super.start();
        setupPortrayals();
        }

    public void load(SimState state)
        {
        super.load(state);
        setupPortrayals();
        }
        
    public void setupPortrayals()
        {
        MavDemo mavdemo = (MavDemo)state;
        // obstacle portrayal needs no setup
        obstaclePortrayal.setField(mavdemo.ground);
        mavPortrayal.setField(mavdemo.mavs);
        mavPortrayal.setPortrayalForAll(new OrientedPortrayal2D(new OvalPortrayal2D(20),0,20));
        
        // reschedule the displayer
        display.reset();
        display.setBackdrop(Color.white);
                
        // redraw the display
        display.repaint();
        }

    public void init(Controller c)
        {
        super.init(c);

        // make the displayer
        display = new Display2D(500,500,this,1);

        displayFrame = display.createFrame();
        displayFrame.setTitle("Mav Demonstration Display");
        c.registerFrame(displayFrame);   // register the frame so it appears in the "Display" list
        displayFrame.setVisible(true);
        display.attach( obstaclePortrayal, "Regions" );
        display.attach( mavPortrayal, "MAVs" );
        }
        
    public void quit()
        {
        super.quit();
        
        if (displayFrame!=null) displayFrame.dispose();
        displayFrame = null;
        display = null;
        }

    }