Triangle Rotation fixed

Assets/Scripts/InteractionEngine/FactHandling/Facts/TriangleFact2.cs

@@ -75,6 +75,11 @@ protected void calculate_vectors(){
             up = up + (C - c);
         }
 
+        if ((C - c).y < 0)
+        {
+            up = -up;
+        }
+
         Rotation = Quaternion.LookRotation(forward, up);
     }