conforms file names to consistant standard

scenes/ladder/scn_ladder.tscn

@@ -0,0 +1,10 @@
+[gd_scene format=3 uid="uid://cx8f6tsipvmls"]
+
+[ext_resource type="Script" uid="uid://7pd2edvb845w" path="res://scenes/ladder/scr_ladder.gd" id="1_cq4ai"]
+
+[node name="Ladder" type="Area3D" unique_id=1685840961]
+collision_mask = 2
+script = ExtResource("1_cq4ai")
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]
+[connection signal="body_exited" from="." to="." method="_on_body_exited"]

scenes/ladder/scr_ladder.gd

@@ -0,0 +1,12 @@
+class_name Ladder
+extends Area3D
+
+
+func _on_body_entered(body: Node3D) -> void:
+	if body is Hero:
+		body.movement.enable_climbing()
+
+
+func _on_body_exited(body: Node3D) -> void:
+	if body is Hero:
+		body.movement.disable_climbing()

scenes/ladder/scr_ladder.gd.uid

@@ -0,0 +1 @@
+uid://7pd2edvb845w