Direction to mark arrow is now displayed relative to camera

#story[1195]

racevisionGame/src/main/java/visualiser/Controllers/RaceController.java

@@ -371,9 +371,9 @@ public class RaceController extends Controller {
                 CompoundMark target = boat.getCurrentLeg().getEndCompoundMark();
                 Bearing headingToMark = GPSCoordinate.calculateBearing(boat.getPosition(), target.getAverageGPSCoordinate());
 
-                nextMarkArrow.setY(10);
-                nextMarkArrow.setX(subject3D.getPosition().getX());
-                nextMarkArrow.setZ(subject3D.getPosition().getZ());
+                nextMarkArrow.setX(view3D.getPivot().getX());
+                nextMarkArrow.setY(view3D.getPivot().getY());
+                nextMarkArrow.setZ(view3D.getPivot().getZ() + 10);
                 nextMarkArrow.setHeading(headingToMark.degrees());
             };
 

racevisionGame/src/main/java/visualiser/layout/View3D.java

@@ -251,6 +251,10 @@ public class View3D extends Pane {
         this.farClip = farClip;
     }
 
+    public Translate getPivot() {
+        return pivot;
+    }
+
     /**
      * Sets the coordinates of the camera pivot once.
      * @param pivot source of coordinates