Added locked barriers and a new ghost enemy

Enemies/Chasing Glowing Ghost.gd

@@ -0,0 +1,28 @@
+extends KinematicBody2D
+
+const SPEED: int = 50
+
+var player: KinematicBody2D = null
+var velocity: Vector2 = Vector2.ZERO
+
+
+func _physics_process(_delta: float) -> void:
+    velocity = Vector2.ZERO
+
+    if player and position.distance_to(player.position) > 1:
+        velocity = position.direction_to(player.position).normalized() * SPEED
+
+    velocity = move_and_slide(velocity)
+    return
+
+
+func _on_player_detector_body_entered(body: Node) -> void:
+    if body.is_in_group('player'):
+        player = body
+    return
+
+
+func _on_player_detector_body_exited(body: Node) -> void:
+    if body.is_in_group('player'):
+        player = null
+    return