My first 2D game in Godot 4.4

gun.tscn

@@ -0,0 +1,31 @@
+[gd_scene load_steps=4 format=3 uid="uid://daagdf86t4bjn"]
+
+[ext_resource type="Script" uid="uid://dl331nhv6dm0l" path="res://gun.gd" id="1_dk5gl"]
+[ext_resource type="Texture2D" uid="uid://cswb5do8rrj7q" path="res://pistol/pistol.png" id="1_vk1bi"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_dk5gl"]
+radius = 356.051
+
+[node name="Gun" type="Area2D"]
+collision_layer = 0
+collision_mask = 2
+script = ExtResource("1_dk5gl")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_dk5gl")
+
+[node name="Pivot" type="Marker2D" parent="."]
+
+[node name="Pistol" type="Sprite2D" parent="Pivot"]
+position = Vector2(85, 0)
+texture = ExtResource("1_vk1bi")
+
+[node name="Barrel" type="Marker2D" parent="Pivot/Pistol"]
+unique_name_in_owner = true
+position = Vector2(25, -11)
+
+[node name="Timer" type="Timer" parent="."]
+wait_time = 0.33
+autostart = true
+
+[connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]