Tutorials completed.

ActionRPG-HeartBeast/Overlap/WanderController.gd

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+extends Node2D
+
+export(int) var wander_range = 32
+
+onready var start_position = global_position
+onready var target_position = global_position
+
+onready var timer = $Timer
+
+func _ready():
+	update_target_position()
+
+func update_target_position():
+	var target_vector = Vector2(rand_range(-wander_range,wander_range), rand_range(-wander_range,wander_range))
+	target_position = start_position + target_vector
+
+func get_time_left():
+	return timer.time_left
+	
+func start_wander_timer(duration):
+	timer.start(duration)
+
+func _on_Timer_timeout():
+	update_target_position()

ActionRPG-HeartBeast/Overlap/WanderController.tscn

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+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://Overlap/WanderController.gd" type="Script" id=1]
+
+[node name="WanderController" type="Node2D"]
+script = ExtResource( 1 )
+
+[node name="Timer" type="Timer" parent="."]
+one_shot = true
+autostart = true
+
+[connection signal="timeout" from="Timer" to="." method="_on_Timer_timeout"]