Switched bearing calculation from formula to using the geodectic calcultor -this abstracts a lot of the complexity -more accurate heading, and it is return as an azimuth rather than bearing making lat and long calculations easier #story[9]

src/main/java/seng302/App.java

@@ -20,8 +20,6 @@ public class App extends Application
 
     public static void main( String[] args )
     {
-
-
         launch(args);
     }
 

src/main/java/seng302/Controllers/RaceController.java

@@ -12,6 +12,7 @@ import javafx.scene.control.cell.PropertyValueFactory;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.paint.Color;
 import javafx.util.Callback;
+import org.geotools.referencing.GeodeticCalculator;
 import seng302.GPSCoordinate;
 import seng302.Model.ResizableRaceCanvas;
 import seng302.Model.*;
@@ -80,14 +81,25 @@ public class RaceController extends Controller{
 
         canvasBase.getChildren().add(raceMap);
 
-        ArrayList<Leg> legs = new ArrayList<>();
-        legs.add(new Leg("Start", 10, new GPSCoordinate(32.296577, -64.854304), new GPSCoordinate(32.296576, -64.854304), 0));
-        legs.add(new Leg("Mark", 50, new GPSCoordinate(32.296577, -64.854304), new GPSCoordinate(32.308046, -64.831785), 1));
-
+        ArrayList<Leg> legs = bermudaCourseLegs();
         ConstantVelocityRace race = new ConstantVelocityRace(boats, legs, this);
 
         (new Thread(race)).start();
     }
 
+    private ArrayList<Leg> bermudaCourseLegs() {
+        ArrayList<Leg> legs = new ArrayList<>();
+
+        GeodeticCalculator calc = new GeodeticCalculator();
+        calc.setStartingGeographicPoint(32.296577, -64.854304);
+        calc.setDestinationGeographicPoint(32.293039, -64.843983);
+        double distance = calc.getOrthodromicDistance();
+        Leg leg1 = new Leg("Start to Mark 1", distance, new GPSCoordinate(32.296577, -64.854304),
+                new GPSCoordinate(32.293039, -64.843983), 0);
+
+        legs.add(leg1);
+        return legs;
+    }
+
 
 }

src/main/java/seng302/Model/BoatInRace.java

@@ -1,6 +1,7 @@
 package seng302.Model;
 
 import javafx.scene.paint.Color;
+import org.geotools.referencing.GeodeticCalculator;
 import seng302.GPSCoordinate;
 
 
@@ -68,9 +69,15 @@ public class BoatInRace extends Boat {
      */
     public double calculateHeading(){
         //to be changed to coordinates when used to match reality.
-        double thetaHat = Math.atan2((currentLeg.getEndGraphCoordinate().getLatitude() - currentLeg.getStartGraphCoordinate().getLongitude()),
-                (currentLeg.getEndGraphCoordinate().getLatitude() - currentLeg.getStartGraphCoordinate().getLongitude()));
-        return thetaHat >= 0 ? Math.toDegrees(thetaHat): Math.toDegrees(thetaHat + 2 * Math.PI);
+        GeodeticCalculator calc = new GeodeticCalculator();
+        calc.setStartingGeographicPoint(currentLeg.getStartGraphCoordinate().getLatitude(), currentLeg.getStartGraphCoordinate().getLongitude());
+
+        calc.setDestinationGeographicPoint(currentLeg.getEndGraphCoordinate().getLatitude(), currentLeg.getEndGraphCoordinate().getLongitude());
+
+        return calc.getAzimuth();
+//        double thetaHat = Math.atan2((currentLeg.getEndGraphCoordinate().getLatitude() - currentLeg.getStartGraphCoordinate().getLongitude()),
+//                (currentLeg.getEndGraphCoordinate().getLatitude() - currentLeg.getStartGraphCoordinate().getLongitude()));
+//        return thetaHat >= 0 ? Math.toDegrees(thetaHat): Math.toDegrees(thetaHat + 2 * Math.PI);
     }
 
 }

src/main/java/seng302/Model/ConstantVelocityRace.java

@@ -2,16 +2,13 @@ package seng302.Model;
 
 import seng302.Controllers.RaceController;
 
-import java.awt.*;
+
 import java.awt.geom.Point2D;
 
-import org.geotools.geometry.DirectPosition1D;
 import org.geotools.referencing.GeodeticCalculator;
 import seng302.GPSCoordinate;
-import seng302.GraphCoordinate;
 
 import java.util.ArrayList;
-import java.util.concurrent.TimeUnit;
 
 /**
  * Created by cbt24 on 6/03/17.
@@ -53,23 +50,12 @@ public class ConstantVelocityRace extends Race {
 
         Point2D startPoint = new Point2D.Double(oldCoordinates.getLatitude(), oldCoordinates.getLongitude());
         geodeticCalculator.setStartingGeographicPoint(startPoint);
-        heading = 1;
-        double azimuth = 180 - heading;
 
-
-
-        System.out.println(heading);
-        geodeticCalculator.setDirection(azimuth, distanceTravelled * 1852 );
+        geodeticCalculator.setDirection(heading, distanceTravelled * 1852);
 
         Point2D endPoint = geodeticCalculator.getDestinationGeographicPoint();
 
         return new GPSCoordinate(endPoint.getX(), endPoint.getY());
     }
 
-
-
-
-
-
-
-}
+}