From 75c15d492e8c7ca247eb10c212d72df2c2fcb37a Mon Sep 17 00:00:00 2001
From: fjc40 <fjc40@uclive.ac.nz>
Date: Fri, 15 Sep 2017 11:24:55 +1200
Subject: [PATCH] There was a null pointer exception when finishing the race,
 as the finish leg doesn't have compound marks.

---
 .../visualiser/Controllers/RaceViewController.java   | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/racevisionGame/src/main/java/visualiser/Controllers/RaceViewController.java b/racevisionGame/src/main/java/visualiser/Controllers/RaceViewController.java
index c2153c1f..e04c5290 100644
--- a/racevisionGame/src/main/java/visualiser/Controllers/RaceViewController.java
+++ b/racevisionGame/src/main/java/visualiser/Controllers/RaceViewController.java
@@ -429,12 +429,14 @@ public class RaceViewController extends Controller {
             @Override
             public void handle(long now) {
                 CompoundMark target = boat.getCurrentLeg().getEndCompoundMark();
-                Bearing headingToMark = GPSCoordinate.calculateBearing(boat.getPosition(), target.getAverageGPSCoordinate());
+                if (target != null) {
+                    Bearing headingToMark = GPSCoordinate.calculateBearing(boat.getPosition(), target.getAverageGPSCoordinate());
 
-                nextMarkArrow.setX(view3D.getPivot().getX());
-                nextMarkArrow.setY(view3D.getPivot().getY());
-                nextMarkArrow.setZ(view3D.getPivot().getZ() + 15);
-                nextMarkArrow.setHeading(headingToMark.degrees());
+                    nextMarkArrow.setX(view3D.getPivot().getX());
+                    nextMarkArrow.setY(view3D.getPivot().getY());
+                    nextMarkArrow.setZ(view3D.getPivot().getZ() + 15);
+                    nextMarkArrow.setHeading(headingToMark.degrees());
+                }
             }
         };
         arrowToNextMark.start();