Selling mechanism

Game/Accesories/deleter.gd

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+extends Node2D
+
+const LIST_OF_ENTITIES = ["ArcherTower", "WizardTower", "MortarTower", "Mine", "StickTrap", "Wall"]
+func _ready() -> void:
+	set_process_input(true)
+
+func _process(delta: float) -> void:
+	position = get_viewport().get_mouse_position()
+	
+func _input(event):
+	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
+		if abs(position) <= get_viewport().get_mouse_position():
+			var list_of_entities = get_node("Area2D").get_overlapping_bodies()
+			for i in list_of_entities:
+				for j in LIST_OF_ENTITIES:
+					if i.get_parent().name.contains(j):
+						i.get_parent().queue_free()
+			queue_free()
+			pass

Game/Accesories/deleter.gd.uid

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+uid://d0umyo4x3npp6

Game/Accesories/deleter.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://fqjve5d7uj0t"]
+
+[ext_resource type="Texture2D" uid="uid://d4ghsettixo4j" path="res://Assets/Others/cross.png" id="1_veida"]
+[ext_resource type="Script" uid="uid://d0umyo4x3npp6" path="res://Game/Accesories/deleter.gd" id="1_y3iui"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_y3iui"]
+radius = 20.0
+
+[node name="Deleter" type="Node2D"]
+script = ExtResource("1_y3iui")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.04, 0.04)
+texture = ExtResource("1_veida")
+
+[node name="Area2D" type="Area2D" parent="."]
+scale = Vector2(0.1, 0.1)
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+scale = Vector2(10, 10)
+shape = SubResource("CircleShape2D_y3iui")