From 7e35cf5823a9873a0467e09a5bc441319390e6eb Mon Sep 17 00:00:00 2001
From: Alexander Bock <alexander.bock@liu.se>
Date: Thu, 15 Sep 2016 18:02:13 +0200
Subject: [PATCH] Make InteractionHandler not crash if the Camera focus node is
 not found

---
 src/interaction/interactionhandler.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/interaction/interactionhandler.cpp b/src/interaction/interactionhandler.cpp
index 8f8d389c09..0c8d324daf 100644
--- a/src/interaction/interactionhandler.cpp
+++ b/src/interaction/interactionhandler.cpp
@@ -794,8 +794,10 @@ void InteractionHandler::postSynchronizationPreDraw() {
         _cameraUpdatedFromScript = false;
     }
     else {
-        _currentInteractionMode->updateCameraStateFromMouseStates(*_camera);
-        _camera->setFocusPositionVec3(focusNode()->worldPosition());
+        if (_camera && focusNode()) {
+            _currentInteractionMode->updateCameraStateFromMouseStates(*_camera);
+            _camera->setFocusPositionVec3(focusNode()->worldPosition());
+        }
     }
 }