Updated velocity in yacht constructor so the boat can be seen properly working for test purposes

src/main/java/seng302/client/ClientPacketParser.java

@@ -368,6 +368,7 @@ public class ClientPacketParser {
         //Converts the double to a usable lat/lon
         double lat = ((180d * (double) rawLat) / Math.pow(2, 31));
         double lon = ((180d * (double) rawLon) / Math.pow(2, 31));
+//        System.out.println("[CLIENT] Lat: " + lat + " Lon: " + lon);
         long heading = bytesToLong(Arrays.copyOfRange(payload, 28, 30));
         double groundSpeed = bytesToLong(Arrays.copyOfRange(payload, 38, 40)) / 1000.0;
         //type 1 is a racing yacht and type 3 is a mark, needed for updating positions of the mark and boat

src/main/java/seng302/gameServer/ServerToClientThread.java

@@ -346,6 +346,7 @@ public class ServerToClientThread implements Runnable {
     private void sendBoatLocationPackets(){
         ArrayList<Yacht> yachts = new ArrayList<>(GameState.getYachts().values());
         for (Yacht yacht: yachts){
+//            System.out.println("[SERVER] Lat: " + yacht.getLocation().getLat() + " Lon: " + yacht.getLocation().getLng());
             BoatLocationMessage boatLocationMessage = new BoatLocationMessage(sourceId, getSeqNo(), yacht.getLocation().getLat(), yacht.getLocation().getLng(), yacht.getHeading(), (long) yacht.getVelocity());
             sendMessage(boatLocationMessage);
         }

src/main/java/seng302/models/Yacht.java

@@ -110,7 +110,7 @@ public class Yacht {
         this.sailIn = false;
         this.location = new GeoPoint(57.6679590, 11.8503233);
         this.heading = 0.0;
-        this.velocity = 0.0;
+        this.velocity = 50000.0;
     }
 
     /**
@@ -155,6 +155,7 @@ public class Yacht {
 
     public void adjustHeading(Double amount) {
         lastHeading = heading;
+        // TODO: 24/07/17 wmu16 - '%' in java does remainder, we need modulo. All this must be changed here, this is why we have neg values!
         heading = (heading + amount) % 360.0;
     }
 
@@ -188,7 +189,20 @@ public class Yacht {
     }
 
     public void turnDownwind() {
-        if ((heading - GameState.windDirection) % 360 < 180) {
+        Double normalizedHeading = (heading - GameState.windDirection) % 360;
+        if (normalizedHeading == 0) {
+            if (lastHeading < 180) {
+                adjustHeading(TURN_STEP);
+            } else {
+                adjustHeading(-TURN_STEP);
+            }
+        } else if (normalizedHeading == 180) {
+            if (lastHeading < 180) {
+                adjustHeading(-TURN_STEP);
+            } else {
+                adjustHeading(TURN_STEP);
+            }
+        } else if (normalizedHeading < 180) {
             adjustHeading(TURN_STEP);
         } else {
             adjustHeading(-TURN_STEP);