/*
* File name: RockAgent.java (package eas.users.wsc2012.rescuer)
* Author(s): Lukas König
* Java version: 6.0
* Generation date: 30.03.2012 (12:56:03)
*
* (c) This file and the EAS (Easy Agent Simulation) framework containing it
* is protected by Creative Commons by-nc-sa license. Any altered or
* further developed versions of this file have to meet the agreements
* stated by the license conditions.
*
* In a nutshell
* -------------
* You are free:
* - to Share -- to copy, distribute and transmit the work
* - to Remix -- to adapt the work
*
* Under the following conditions:
* - Attribution -- You must attribute the work in the manner specified by the
* author or licensor (but not in any way that suggests that they endorse
* you or your use of the work).
* - Noncommercial -- You may not use this work for commercial purposes.
* - Share Alike -- If you alter, transform, or build upon this work, you may
* distribute the resulting work only under the same or a similar license to
* this one.
*
* + Detailed license conditions (Germany):
* http://creativecommons.org/licenses/by-nc-sa/3.0/de/
* + Detailed license conditions (unported):
* http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en
*
* This header must be placed in the beginning of any version of this file.
*/
package eas.users.demos.wsc2012.rescuer;
import java.awt.Color;
import java.util.Random;
import eas.math.geometry.Polygon2D;
import eas.math.geometry.Rectangle2D;
import eas.math.geometry.Vector2D;
import eas.simulation.Wink;
import eas.simulation.spatial.sim2D.standardAgents.AbstractAgent2D;
import eas.startSetup.ParCollection;
/**
* @author Lukas König
*
*/
public class RockAgent extends AbstractAgent2D<RescuerContinousEnv> {
/**
*
*/
private static final long serialVersionUID = 4721956400331538121L;
private Random rand;
private Color color = new Color(150, 105, 50);
private Polygon2D pol;
public RockAgent(int id, RescuerContinousEnv env, ParCollection params, Random random) {
super(id, env, params);
rand = random;
}
@Override
public Color getAgentColor() {
return color;
}
@Override
public synchronized Polygon2D getAgentShape() {
if (pol == null) {
final double precision = 20;
final double maxRadius = 2;
final double minRadius = 0.5;
pol = new Polygon2D();
double rad;
for (double d = 0; d <= Math.PI * 2; d += Math.PI * 2 / precision) {
rad = Math.max(Math.abs(rand.nextDouble()), minRadius) * maxRadius;
pol.add(new Vector2D(Math.sin(d) * rad, Math.cos(d) * rad));
}
// pol.add(new Vector2D(0, 0));
pol.rotate(Vector2D.NULL_VECTOR, -Math.PI * 0.125);
}
return pol;
}
@Override
public void step(Wink simTime) {
Rectangle2D bound = this.getEnvironment().getAgentShapeInEnvironment(this.id()).getBoundingBox();
double agentRad = Math.sqrt(bound.getWidth() * bound.getWidth() + bound.getHeight() * bound.getHeight());
double disturbanceFactor = 0.5;
double gradientFactor = 0.3;
Vector2D pos = this.getEnvironment().getAgentPosition(this.id());
Vector2D vec = new Vector2D(this.getEnvironment().getGradientAtCoordinate(pos));
vec.mult(gradientFactor);
vec.translate(new Vector2D(
(rand.nextDouble() - 0.5) * disturbanceFactor,
(rand.nextDouble() - 0.5) * disturbanceFactor));
Vector2D newPos = new Vector2D(vec).translate(pos);
Vector2D newPos1 = new Vector2D(vec).translate(pos).translate(new Vector2D(agentRad, agentRad));
Vector2D newPos2 = new Vector2D(vec).translate(pos).sub(new Vector2D(agentRad, agentRad));
if (this.getEnvironment().getBoundingBox(false).isPointInside(newPos1) && this.getEnvironment().getBoundingBox(false).isPointInside(newPos2)) {
this.getEnvironment().setAgentPosition(this.id(), newPos);
double angle = rand.nextDouble() * 10;
this.getEnvironment().setAgentAngle(this.id(), this.getEnvironment().getAgentAngle(this.id()) + angle);
}
}
}