Increased minimum opacity so actual track from start is visible.

- No longer removes points from track
#story[25]

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

@@ -28,7 +28,7 @@ public class BoatInRace extends Boat {
     private boolean started = false;
     private StringProperty position;
 
-    private Queue<TrackPoint> track = new ConcurrentLinkedQueue<TrackPoint>();
+    private Queue<TrackPoint> track = new ConcurrentLinkedQueue<>();
     private long nextValidTime = 0;
     private final int TRACK_POINT_TIME_INTERVAL = 1000; // every 1 seconds
     private final int TRACK_POINT_LIMIT = 10;
@@ -263,9 +263,6 @@ public class BoatInRace extends Boat {
         if (added && this.started) {
             nextValidTime = System.currentTimeMillis() + TRACK_POINT_TIME_INTERVAL;
             track.add(new TrackPoint(coordinate, System.currentTimeMillis(), TRACK_POINT_LIMIT*TRACK_POINT_TIME_INTERVAL));
-            if (track.size() > TRACK_POINT_LIMIT) {
-                track.remove();
-            }
         }
         return added;
     }

src/main/java/seng302/Model/TrackPoint.java

@@ -9,11 +9,13 @@ public class TrackPoint {
     private GPSCoordinate coordinate;
     private long timeAdded;
     private long expiry;
+    private double minAlpha;
 
     public TrackPoint(GPSCoordinate coordinate, long timeAdded, long expiry) {
         this.coordinate = coordinate;
         this.timeAdded = timeAdded;
         this.expiry = expiry;
+        this.minAlpha = 0.1;
     }
 
     public GPSCoordinate getCoordinate() {
@@ -21,6 +23,6 @@ public class TrackPoint {
     }
 
     public double getAlpha() {
-        return Double.max(0,1.0 - (double)(System.currentTimeMillis() - timeAdded)/expiry);
+        return Double.max(minAlpha,1.0 - (double)(System.currentTimeMillis() - timeAdded)/expiry);
     }
 }