Created an invader spawner that gives points when shot

scripts/game.gd

@@ -38,6 +38,10 @@ func game_over() -> void:
 	if score > high_score:
 		save_score()
 
+func _on_invader_spawner_shot() -> void:
+	# This is not the most modular way to do this.
+	score += 500
+
 func increase_score(comet_size : int) -> void:
 	# We add one since comet_size starts count at 0
 	comet_size += 1
@@ -59,5 +63,3 @@ func load_score() -> int:
 		return file.get_var(score)
 	else:
 		return 0
-
-

scripts/invader_spawner.gd

@@ -0,0 +1,26 @@
+extends Node2D
+
+signal shot
+
+const INVADER = preload("res://scenes/invader.tscn")
+
+var can_spawn = false
+
+func _process(delta: float) -> void:
+	if can_spawn:
+		spawn_invader()
+		$SpawnTimer.wait_time = randi_range(20, 40)
+
+
+func _on_spawn_timer_timeout() -> void:
+	can_spawn = true
+
+func spawn_invader() -> void:
+	var invader := INVADER.instantiate()
+	invader.shot.connect(player_shot)
+	$Invaders.add_child(invader)
+	can_spawn = false
+	$SpawnTimer.start()
+
+func player_shot() -> void:
+	shot.emit()