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Condensed Race and ConstantVelocityRace into one class

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Erika Savell 9 years ago
parent 34c0aec0b9
commit 231a1824d1
3 changed files with 160 additions and 208 deletions
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3
mock/src/main/java/seng302/App.java
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@ -25,7 +25,7 @@ public class App extends Application {
public void start(Stage primaryStage) { public void start(Stage primaryStage) {
try { try {
RaceDataSource raceData = new RaceXMLReader("raceXML/bermuda_AC35.xml"); RaceDataSource raceData = new RaceXMLReader("raceXML/bermuda_AC35.xml");
ConstantVelocityRace newRace = new ConstantVelocityRace(raceData, 15); Race newRace = new Race(raceData, 15);
System.out.println(newRace.getStartingBoats()); System.out.println(newRace.getStartingBoats());
new Thread((newRace)).start(); new Thread((newRace)).start();
} catch (IOException e) { } catch (IOException e) {
@ -36,5 +36,4 @@ public class App extends Application {
e.printStackTrace(); e.printStackTrace();
} }
} }
} }

181
mock/src/main/java/seng302/Model/ConstantVelocityRace.java
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@ -15,188 +15,9 @@ import java.util.Random;
* Created by cbt24 on 6/03/17. * Created by cbt24 on 6/03/17.
* *
*/ */
public class ConstantVelocityRace extends Race { public class ConstantVelocityRace{
private int dnfChance = 0; //%percentage chance a boat fails at each checkpoint
/**
* Initialiser for a constant velocity race without standard data source
*
* @param startingBoats in race
* @param legs in race
* @param scaleFactor of timer
*/
public ConstantVelocityRace(List<BoatInRace> startingBoats, List<Leg> legs, int scaleFactor) {
super(startingBoats, legs, scaleFactor);
}
/**
* Initialiser for legacy tests
*
* @param startingBoats in race
* @param legs in race
* @param scaleFactor of timer
*
*/
public ConstantVelocityRace(BoatInRace[] startingBoats, List<Leg> legs, int scaleFactor) {
super(Arrays.asList(startingBoats), legs, scaleFactor);
}
/**
* Initialiser for constant velocity race with standard data source
* @param raceData for race
* @param scaleFactor of timer
*/
public ConstantVelocityRace(RaceDataSource raceData, int scaleFactor) {
super(raceData, scaleFactor);
}
public void initialiseBoats() {
Leg officialStart = legs.get(0);
String name = officialStart.getName();
Marker endMarker = officialStart.getEndMarker();
BoatInRace.setTrackPointTimeInterval(BoatInRace.getBaseTrackPointTimeInterval() / scaleFactor);
ArrayList<Marker> startMarkers = getSpreadStartingPositions();
for (int i = 0; i < startingBoats.size(); i++) {
BoatInRace boat = startingBoats.get(i);
if (boat != null) {
boat.setScaledVelocity(boat.getVelocity() * scaleFactor);
Leg startLeg = new Leg(name, 0);
boat.setCurrentPosition(startMarkers.get(i).getAverageGPSCoordinate());
startLeg.setStartMarker(startMarkers.get(i));
startLeg.setEndMarker(endMarker);
startLeg.calculateDistance();
boat.setCurrentLeg(startLeg);
boat.setHeading(boat.calculateHeading());
}
}
}
/**
* Creates a list of starting positions for the different boats, so they do not appear cramped at the start line
*
* @return list of starting positions
*/
public ArrayList<Marker> getSpreadStartingPositions() {
int nBoats = startingBoats.size();
Marker marker = legs.get(0).getStartMarker();
GeodeticCalculator initialCalc = new GeodeticCalculator();
initialCalc.setStartingGeographicPoint(marker.getMark1().getLongitude(), marker.getMark1().getLatitude());
initialCalc.setDestinationGeographicPoint(marker.getMark2().getLongitude(), marker.getMark2().getLatitude());
double azimuth = initialCalc.getAzimuth();
double distanceBetweenMarkers = initialCalc.getOrthodromicDistance();
double distanceBetweenBoats = distanceBetweenMarkers / (nBoats + 1);
GeodeticCalculator positionCalc = new GeodeticCalculator();
positionCalc.setStartingGeographicPoint(marker.getMark1().getLongitude(), marker.getMark1().getLatitude());
ArrayList<Marker> positions = new ArrayList<>();
for (int i = 0; i < nBoats; i++) {
positionCalc.setDirection(azimuth, distanceBetweenBoats);
Point2D position = positionCalc.getDestinationGeographicPoint();
positions.add(new Marker(new GPSCoordinate(position.getY(), position.getX())));
positionCalc = new GeodeticCalculator();
positionCalc.setStartingGeographicPoint(position);
}
return positions;
}
/**
* Sets the chance each boat has of failing at a gate or marker
* @param chance percentage chance a boat has of failing per checkpoint.
*/
protected void setDnfChance(int chance) {
if (chance >= 0 && chance <= 100) {
dnfChance = chance;
}
}
protected boolean doNotFinish() {
Random rand = new Random();
return rand.nextInt(100) < dnfChance;
}
/**
* Calculates the distance a boat has travelled and updates its current position according to this value.
*
* @param boat to be updated
* @param millisecondsElapsed since last update
*/
protected void updatePosition(BoatInRace boat, int millisecondsElapsed) {
//distanceTravelled = velocity (nm p hr) * time taken to update loop
double distanceTravelled = (boat.getScaledVelocity() * millisecondsElapsed) / 3600000;
double totalDistanceTravelled = distanceTravelled + boat.getDistanceTravelledInLeg();
boolean finish = boat.getCurrentLeg().getName().equals("Finish");
if (!finish) {
boat.setHeading(boat.calculateHeading());
//update boat's distance travelled
boat.setDistanceTravelledInLeg(totalDistanceTravelled);
//Calculate boat's new position by adding the distance travelled onto the start point of the leg
boat.setCurrentPosition(calculatePosition(boat.getCurrentLeg().getStartMarker().getAverageGPSCoordinate(),
totalDistanceTravelled, boat.calculateAzimuth()));
}
}
protected void checkPosition(BoatInRace boat, long timeElapsed) {
if (boat.getDistanceTravelledInLeg() > boat.getCurrentLeg().getDistance()) {
//boat has passed onto new leg
if (boat.getCurrentLeg().getName().equals("Finish")) {
//boat has finished
boatsFinished++;
boat.setFinished(true);
boat.setTimeFinished(timeElapsed);
} else if (doNotFinish()) {
boatsFinished++;
boat.setFinished(true);
boat.setCurrentLeg(new Leg("DNF", -1));
boat.setVelocity(0);
boat.setScaledVelocity(0);
} else {
//Calculate how much the boat overshot the marker by
boat.setDistanceTravelledInLeg(boat.getDistanceTravelledInLeg() - boat.getCurrentLeg().getDistance());
//Move boat on to next leg
Leg nextLeg = legs.get(boat.getCurrentLeg().getLegNumber() + 1);
boat.setCurrentLeg(nextLeg);
//Add overshoot distance into the distance travelled for the next leg
boat.setDistanceTravelledInLeg(boat.getDistanceTravelledInLeg());
}
//Update the boat display table in the GUI to reflect the leg change
updatePositions();
}
}
/**
* Calculates the boats next GPS position based on its distance travelled and heading
*
* @param oldCoordinates GPS coordinates of the boat's starting position
* @param distanceTravelled distance in nautical miles
* @param azimuth boat's current direction. Value between -180 and 180
* @return The boat's new coordinate
*/
public static GPSCoordinate calculatePosition(GPSCoordinate oldCoordinates, double distanceTravelled, double azimuth) {
//Find new coordinate using current heading and distance
GeodeticCalculator geodeticCalculator = new GeodeticCalculator();
//Load start point into calculator
Point2D startPoint = new Point2D.Double(oldCoordinates.getLongitude(), oldCoordinates.getLatitude());
geodeticCalculator.setStartingGeographicPoint(startPoint);
//load direction and distance tranvelled into calculator
geodeticCalculator.setDirection(azimuth, distanceTravelled * Constants.NMToMetersConversion);
//get new point
Point2D endPoint = geodeticCalculator.getDestinationGeographicPoint();
return new GPSCoordinate(endPoint.getY(), endPoint.getX());
}
} }

184
mock/src/main/java/seng302/Model/Race.java
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@ -7,18 +7,24 @@ import javafx.animation.AnimationTimer;
import javafx.collections.FXCollections; import javafx.collections.FXCollections;
import javafx.collections.ObservableList; import javafx.collections.ObservableList;
import org.geotools.referencing.GeodeticCalculator;
import seng302.Constants;
import seng302.GPSCoordinate;
import seng302.RaceDataSource; import seng302.RaceDataSource;
import java.awt.geom.Point2D;
import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.List; import java.util.List;
import java.util.Random;
/** /**
* Parent class for races * Parent class for races
* Created by fwy13 on 3/03/17. * Created by fwy13 on 3/03/17.
*/ */
public abstract class Race implements Runnable { public class Race implements Runnable {
//protected BoatInRace[] startingBoats; //protected BoatInRace[] startingBoats;
protected ObservableList<BoatInRace> startingBoats; protected ObservableList<BoatInRace> startingBoats;
protected List<Leg> legs; protected List<Leg> legs;
@ -57,31 +63,6 @@ public abstract class Race implements Runnable {
this(raceData.getBoats(), raceData.getLegs(), scaleFactor); this(raceData.getBoats(), raceData.getLegs(), scaleFactor);
} }
public abstract void initialiseBoats();
/**
* Randomly generate number to see if boat fails
* @return True if number lower than dnfChance else false
*/
protected abstract boolean doNotFinish();
/**
* Checks the position of the boat, this updates the boats current position.
*
* @param boat Boat that the position is to be updated for.
* @param timeElapsed Time that has elapse since the start of the the race.
* @see BoatInRace
*/
protected abstract void checkPosition(BoatInRace boat, long timeElapsed);
/**
* Updates the boat's gps coordinates depending on time elapsed
*
* @param boat to be updated
* @param millisecondsElapsed time since last update
*/
protected abstract void updatePosition(BoatInRace boat, int millisecondsElapsed);
/** /**
* Runnable for the thread. * Runnable for the thread.
*/ */
@ -190,6 +171,157 @@ public abstract class Race implements Runnable {
} }
} }
public void initialiseBoats() {
Leg officialStart = legs.get(0);
String name = officialStart.getName();
Marker endMarker = officialStart.getEndMarker();
BoatInRace.setTrackPointTimeInterval(BoatInRace.getBaseTrackPointTimeInterval() / scaleFactor);
ArrayList<Marker> startMarkers = getSpreadStartingPositions();
for (int i = 0; i < startingBoats.size(); i++) {
BoatInRace boat = startingBoats.get(i);
if (boat != null) {
boat.setScaledVelocity(boat.getVelocity() * scaleFactor);
Leg startLeg = new Leg(name, 0);
boat.setCurrentPosition(startMarkers.get(i).getAverageGPSCoordinate());
startLeg.setStartMarker(startMarkers.get(i));
startLeg.setEndMarker(endMarker);
startLeg.calculateDistance();
boat.setCurrentLeg(startLeg);
boat.setHeading(boat.calculateHeading());
}
}
}
/**
* Creates a list of starting positions for the different boats, so they do not appear cramped at the start line
*
* @return list of starting positions
*/
public ArrayList<Marker> getSpreadStartingPositions() {
int nBoats = startingBoats.size();
Marker marker = legs.get(0).getStartMarker();
GeodeticCalculator initialCalc = new GeodeticCalculator();
initialCalc.setStartingGeographicPoint(marker.getMark1().getLongitude(), marker.getMark1().getLatitude());
initialCalc.setDestinationGeographicPoint(marker.getMark2().getLongitude(), marker.getMark2().getLatitude());
double azimuth = initialCalc.getAzimuth();
double distanceBetweenMarkers = initialCalc.getOrthodromicDistance();
double distanceBetweenBoats = distanceBetweenMarkers / (nBoats + 1);
GeodeticCalculator positionCalc = new GeodeticCalculator();
positionCalc.setStartingGeographicPoint(marker.getMark1().getLongitude(), marker.getMark1().getLatitude());
ArrayList<Marker> positions = new ArrayList<>();
for (int i = 0; i < nBoats; i++) {
positionCalc.setDirection(azimuth, distanceBetweenBoats);
Point2D position = positionCalc.getDestinationGeographicPoint();
positions.add(new Marker(new GPSCoordinate(position.getY(), position.getX())));
positionCalc = new GeodeticCalculator();
positionCalc.setStartingGeographicPoint(position);
}
return positions;
}
/**
* Sets the chance each boat has of failing at a gate or marker
* @param chance percentage chance a boat has of failing per checkpoint.
*/
protected void setDnfChance(int chance) {
if (chance >= 0 && chance <= 100) {
dnfChance = chance;
}
}
protected boolean doNotFinish() {
Random rand = new Random();
return rand.nextInt(100) < dnfChance;
}
/**
* Calculates the distance a boat has travelled and updates its current position according to this value.
*
* @param boat to be updated
* @param millisecondsElapsed since last update
*/
protected void updatePosition(BoatInRace boat, int millisecondsElapsed) {
//distanceTravelled = velocity (nm p hr) * time taken to update loop
double distanceTravelled = (boat.getScaledVelocity() * millisecondsElapsed) / 3600000;
double totalDistanceTravelled = distanceTravelled + boat.getDistanceTravelledInLeg();
boolean finish = boat.getCurrentLeg().getName().equals("Finish");
if (!finish) {
boat.setHeading(boat.calculateHeading());
//update boat's distance travelled
boat.setDistanceTravelledInLeg(totalDistanceTravelled);
//Calculate boat's new position by adding the distance travelled onto the start point of the leg
boat.setCurrentPosition(calculatePosition(boat.getCurrentLeg().getStartMarker().getAverageGPSCoordinate(),
totalDistanceTravelled, boat.calculateAzimuth()));
}
}
protected void checkPosition(BoatInRace boat, long timeElapsed) {
if (boat.getDistanceTravelledInLeg() > boat.getCurrentLeg().getDistance()) {
//boat has passed onto new leg
if (boat.getCurrentLeg().getName().equals("Finish")) {
//boat has finished
boatsFinished++;
boat.setFinished(true);
boat.setTimeFinished(timeElapsed);
} else if (doNotFinish()) {
boatsFinished++;
boat.setFinished(true);
boat.setCurrentLeg(new Leg("DNF", -1));
boat.setVelocity(0);
boat.setScaledVelocity(0);
} else {
//Calculate how much the boat overshot the marker by
boat.setDistanceTravelledInLeg(boat.getDistanceTravelledInLeg() - boat.getCurrentLeg().getDistance());
//Move boat on to next leg
Leg nextLeg = legs.get(boat.getCurrentLeg().getLegNumber() + 1);
boat.setCurrentLeg(nextLeg);
//Add overshoot distance into the distance travelled for the next leg
boat.setDistanceTravelledInLeg(boat.getDistanceTravelledInLeg());
}
//Update the boat display table in the GUI to reflect the leg change
updatePositions();
}
}
/**
* Calculates the boats next GPS position based on its distance travelled and heading
*
* @param oldCoordinates GPS coordinates of the boat's starting position
* @param distanceTravelled distance in nautical miles
* @param azimuth boat's current direction. Value between -180 and 180
* @return The boat's new coordinate
*/
public static GPSCoordinate calculatePosition(GPSCoordinate oldCoordinates, double distanceTravelled, double azimuth) {
//Find new coordinate using current heading and distance
GeodeticCalculator geodeticCalculator = new GeodeticCalculator();
//Load start point into calculator
Point2D startPoint = new Point2D.Double(oldCoordinates.getLongitude(), oldCoordinates.getLatitude());
geodeticCalculator.setStartingGeographicPoint(startPoint);
//load direction and distance tranvelled into calculator
geodeticCalculator.setDirection(azimuth, distanceTravelled * Constants.NMToMetersConversion);
//get new point
Point2D endPoint = geodeticCalculator.getDestinationGeographicPoint();
return new GPSCoordinate(endPoint.getY(), endPoint.getX());
}
/** /**
* Returns the boats that have started the race. * Returns the boats that have started the race.
* *

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