Fixed possible division by zero in CritterMoth

source/scripts/crittermoth.psc

@@ -362,13 +362,20 @@ ObjectReference Function PickNextPlant()
 
 		float distanceTraveled = Math.sqrt(Math.pow(distanceTraveledX, 2) + Math.pow(distanceTraveledY, 2))
 
-		wanderRangeX = RandomFloat(fMinWander, fMaxWander) * Math.cos(distanceTraveledX / distanceTraveled)
-		if (distanceTraveledX < 0) ; more efficient than calling math.abs
-			wanderRangeX *= -1
+		if distanceTraveled > 0
+			wanderRangeX = RandomFloat(fMinWander, fMaxWander) * Math.cos(distanceTraveledX / distanceTraveled)
+			if (distanceTraveledX < 0) ; more efficient than calling math.abs
+				wanderRangeX *= -1
+			endif
+			wanderRangeY = RandomFloat(fMinWander, fMaxWander) * Math.sin(distanceTraveledY / distanceTraveled)
 		endif
-		wanderRangeY = RandomFloat(fMinWander, fMaxWander) * Math.sin(distanceTraveledY / distanceTraveled)
-	else
+	endif
+	
+	if wanderRangeX == 0
 		wanderRangeX = RandomFloat(fMinWander, fMaxWander) * RandomInt(-1, 1)
+	endif
+	
+	if wanderRangeY == 0
 		wanderRangeY = RandomFloat(fMinWander, fMaxWander) * RandomInt(-1, 1)
 	endif