✨ Add an erratic movement behaviour

src/entities/Enemy.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=5 format=2]
 
 [ext_resource path="res://src/mechanics/Black.png" type="Texture" id=1]
 [ext_resource path="res://src/entities/behaviours/AttractedTo.gd" type="Script" id=2]
+[ext_resource path="res://src/entities/behaviours/ErraticMovement.gd" type="Script" id=3]
 
 [sub_resource type="RectangleShape2D" id=1]
 extents = Vector2( 16, 16 )
@@ -11,6 +12,9 @@ extents = Vector2( 16, 16 )
 [node name="AttractedTo" type="Node" parent="."]
 script = ExtResource( 2 )
 
+[node name="ErraticMovement" type="Node" parent="."]
+script = ExtResource( 3 )
+
 [node name="Sprite" type="Sprite" parent="."]
 texture = ExtResource( 1 )
 

src/entities/behaviours/AttractedTo.gd

@@ -2,11 +2,12 @@ extends Node
 
 
 export var movement_per_second: float = 32.0
+export var goal_absolute_path: String = "Game/Fire"
 
 
 onready var target: KinematicBody2D = get_parent()
 # TODO: Use a better algorithm
-onready var goal: StaticBody2D = get_parent().get_parent().get_node("Fire")
+onready var goal: StaticBody2D = get_tree().root.get_node(goal_absolute_path)
 
 
 signal touching_goal
@@ -23,4 +24,4 @@ func _physics_process(_delta):
 			emit_signal("touching_goal")
 			if not goal_reached_triggered:
 				emit_signal("goal_reached")
-				goal_reached_triggered = true
+				goal_reached_triggered = true

src/entities/behaviours/ErraticMovement.gd

@@ -0,0 +1,14 @@
+extends Node
+
+
+export var movement_per_second: float = 16.0
+
+
+onready var target: KinematicBody2D = get_parent()
+onready var rng = RandomNumberGenerator.new()
+
+
+func _physics_process(_delta):
+	var direction: Vector2 = Vector2(rng.randf_range(-1, 1), rng.randf_range(-1, 1)).normalized()
+	var _motion: Vector2 = target.move_and_slide(direction * movement_per_second, Vector2.ZERO)
+