refactor(score): update hud when score is updated

Game/Scripts/Score.gd

@@ -4,7 +4,7 @@ const CONTAMINATION_POINTS := 2
 const CONTAMINATED_CATCH_POINTS := -1
 const UNCONTAMINATED_CATCH_POINTS := 1
 
-var _score := 0
+var _score: int setget _set_score
 var _number_of_bears: int
 var _hud : Control
 
@@ -21,10 +21,14 @@ func _ready() -> void:
 func init(number_of_bears: int, hud: Control):
 	_number_of_bears = number_of_bears
 	_hud = hud
+	self._score = 0
+
+func _set_score(new_value: int) -> void:
+	_score = new_value
+	_hud.update_score(_score)
 	print_score()
 
 func print_score() -> void:
-	_hud.update_score(_score)
 	Logger.debug("Score: %d" % _score)
 
 func _update_number_of_bears() -> void:
@@ -38,17 +42,14 @@ func _round_ending() -> void:
 	print_score()
 
 func _on_contaminated_non_playable_bear_caught() -> void:
-	_score += CONTAMINATED_CATCH_POINTS
-	print_score()
+	self._score += CONTAMINATED_CATCH_POINTS
 
 func _on_uncontaminated_non_playable_bear_caught() -> void:
-	_score += UNCONTAMINATED_CATCH_POINTS
-	print_score()
+	self._score += UNCONTAMINATED_CATCH_POINTS
 
 func _on_wherebear_caught() -> void:
 	_round_ending()
 
 func _on_non_playable_bear_contaminated() -> void:
-	_score += CONTAMINATION_POINTS
+	self._score += CONTAMINATION_POINTS
 	_update_number_of_bears()
-	print_score()