turtlekit.murmuration.HeadingChecker.java Source code

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Here is the source code for turtlekit.murmuration.HeadingChecker.java

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/*******************************************************************************
 * TurtleKit 3 - Agent Based and Artificial Life Simulation Platform
 * Copyright (C) 2011-2014 Fabien Michel
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package turtlekit.murmuration;

import java.util.logging.Level;

import javax.swing.JFrame;

import org.jfree.chart.ChartPanel;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

import madkit.simulation.SimulationException;
import madkit.simulation.probe.PropertyProbe;
import turtlekit.agr.TKOrganization;
import turtlekit.gui.util.ChartsUtil;
import turtlekit.viewer.AbstractObserver;

public class HeadingChecker extends AbstractObserver {

    private PropertyProbe<AbstractStarling, Double> probeHeading;
    private XYSeries heading;
    private int index = 0;

    public HeadingChecker() {
        createGUIOnStartUp(); //prevent inappropriate launching and thus null pointer
    }

    /**
     * Just to do some initialization work
     */
    @Override
    protected void activate() {
        setLogLevel(Level.ALL);
        super.activate();
        probeHeading = new PropertyProbe<AbstractStarling, Double>(getCommunity(), TKOrganization.TURTLES_GROUP,
                TKOrganization.TURTLE_ROLE, "angle");
        addProbe(probeHeading);
    }

    @Override
    public void setupFrame(JFrame frame) {
        XYSeriesCollection dataset = new XYSeriesCollection();
        final ChartPanel chartPanel = ChartsUtil.createChartPanel(dataset, "Average heading", null, null);
        chartPanel.setPreferredSize(new java.awt.Dimension(550, 250));
        heading = new XYSeries("Average heading");
        dataset.addSeries(heading);
        frame.setContentPane(chartPanel);
        frame.setLocation(50, 0);
        //      XYSeries s = dataset.getSeries("Total");
    }

    @Override
    protected void observe() {
        double averageHeading = 0;
        double averageSpeed = 0;
        for (AbstractStarling a : probeHeading.getCurrentAgentsList()) {
            averageHeading += probeHeading.getPropertyValue(a);
        }
        averageHeading /= (double) probeHeading.size();

        if (index % 10000 == 0) {
            heading.clear();
        }

        try {
            heading.add(index, averageHeading);
        } catch (SimulationException | NullPointerException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        index++;
    }

}