Return 0 for the direction if it is currently None.

diff --git a/tabakrolletjie/rays.py b/tabakrolletjie/rays.py
index 621ded65a0e25f557a1d9f6db4f92ad9f62f7ac8..11bfd33fd259e42fc397bbe0e63b3862860150e1 100644 (file)
--- a/tabakrolletjie/rays.py
+++ b/tabakrolletjie/rays.py
@@ -148,6 +148,8 @@ class RayPolyManager(object):
 
     @property
     def direction(self):
+        if self._direction is None:
+            return 0
         return self._direction.angle_degrees
 
     @direction.setter