Added enemy movement randomization

game/controllers/enemy_swamp_controller.gd

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+class_name EnemySwampController
+extends Node
+
+
+@export var passage : Passage
+
+
+const SMALL_ENEMY = preload("res://game/entities/ships/enemies/small/small_enemy_ship.tscn")
+const MEDIUM_ENEMY = preload("res://game/entities/ships/enemies/medium/medium_enemy_ship.tscn")
+const HEAVY_ENEMY = preload("res://game/entities/ships/enemies/heavy/heavy_enemy_ship.tscn")
+
+const ENEMY_TYPES := [ SMALL_ENEMY, MEDIUM_ENEMY, HEAVY_ENEMY ]
+
+
+@onready var enemy_update_timer : Timer = $EnemyUpdateTimer
+
+
+func create_enemy() -> void:
+	var enemy : AbstractEnemyShip = ENEMY_TYPES.pick_random().instantiate()
+	enemy.position = Vector2(750, randi_range(0, 360))
+	passage.add_child(enemy)
+	
+	_update_enemy.call_deferred(enemy)
+
+
+func _on_enemy_update_timer_timeout() -> void:
+	enemy_update_timer.start(randi_range(3, 9))
+	
+	var enemies := get_tree().get_nodes_in_group("enemies")
+	if enemies.is_empty(): return
+	
+	var enemy : Node = enemies.pick_random()
+	if not enemy is AbstractEnemyShip: return
+		
+	_update_enemy(enemy)
+
+
+func _update_enemy(enemy: AbstractEnemyShip) -> void:
+	enemy.controller.target_position = Vector2(randi_range(300, 600), randi_range(30, 330))

game/controllers/enemy_swamp_controller.gd.uid

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+uid://drxv4egqcamtw

game/controllers/enemy_swamp_controller.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://cpn5x0ijgl7ei"]
+
+[ext_resource type="Script" uid="uid://drxv4egqcamtw" path="res://game/controllers/enemy_swamp_controller.gd" id="1_ol8cy"]
+
+[node name="EnemySwampController" type="Node"]
+script = ExtResource("1_ol8cy")
+
+[node name="EnemyUpdateTimer" type="Timer" parent="."]
+one_shot = true
+autostart = true
+
+[connection signal="timeout" from="EnemyUpdateTimer" to="." method="_on_enemy_update_timer_timeout"]