Add bullet shooting mechanics and refactor scenes

project.godot

@@ -11,6 +11,7 @@ config_version=5
 [application]
 
 config/name="shmup01"
+run/main_scene="uid://oq85kpt7a853"
 config/features=PackedStringArray("4.5", "Forward Plus")
 config/icon="res://icon.svg"
 

scenes/bullet.gd

@@ -1,18 +1,16 @@
 extends Area2D
 @export var speed = -250
 
-
-func _on_visible_on_screen_notifier_2d_screen_exited() -> void:
-  queue_free()
-
-
-func _on_area_entered(area: Area2D) -> void:
-  if area.is_in_group("enemies"):
-         area.explode()
-         queue_free()
-
 func start(pos):
     position = pos
 
 func _process(delta):
     position.y += speed * delta
+
+func _on_area_entered(area: Area2D) -> void:
+  if area.is_in_group("enemies"):
+         area.explode()
+         queue_free()
+
+func _on_visible_on_screen_notifier_2d_screen_exited():
+    queue_free()

scenes/bullet.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=4 format=3 uid="uid://bus77xvomweiu"]
+
+[ext_resource type="Script" uid="uid://byl2w624w0lpb" path="res://scenes/bullet.gd" id="1_y25gk"]
+[ext_resource type="Texture2D" uid="uid://bltpqew3le1j" path="res://resources/Mini Pixel Pack 3/Projectiles/Player_charged_beam (16 x 16).png" id="2_l5glv"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_eoqba"]
+size = Vector2(12, 11)
+
+[node name="Bullet" type="Area2D"]
+script = ExtResource("1_y25gk")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("2_l5glv")
+hframes = 2
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2(0, -0.5)
+shape = SubResource("RectangleShape2D_eoqba")
+
+[node name="VisibleOnScreenNotifier2D" type="VisibleOnScreenNotifier2D" parent="."]
+
+[connection signal="area_entered" from="." to="." method="_on_area_entered"]
+[connection signal="screen_exited" from="VisibleOnScreenNotifier2D" to="." method="_on_visible_on_screen_notifier_2d_screen_exited"]

scenes/gameplay.tscn

@@ -1,93 +1,12 @@
-[gd_scene load_steps=14 format=3 uid="uid://brutkgnx73onj"]
+[gd_scene load_steps=3 format=3 uid="uid://brutkgnx73onj"]
 
-[ext_resource type="Script" uid="uid://c7fe5pl54gkem" path="res://scenes/player.gd" id="1_ocj2s"]
+[ext_resource type="PackedScene" uid="uid://bkuucjejc7p2v" path="res://scenes/player.tscn" id="1_00tan"]
-[ext_resource type="Texture2D" uid="uid://di2xhcwcdbhxg" path="res://resources/Mini Pixel Pack 3/Player ship/Player_ship (16 x 16).png" id="2_din8e"]
+[ext_resource type="PackedScene" uid="uid://bus77xvomweiu" path="res://scenes/bullet.tscn" id="2_l1v76"]
-[ext_resource type="Texture2D" uid="uid://ces8fm7lxh574" path="res://resources/Mini Pixel Pack 3/Player ship/Boosters (16 x 16).png" id="3_4bh5q"]
-[ext_resource type="Texture2D" uid="uid://bjdhq42ummgky" path="res://resources/Mini Pixel Pack 3/Player ship/Boosters_left (16 x 16).png" id="4_e124b"]
-[ext_resource type="Texture2D" uid="uid://cjv3xbuj65pav" path="res://resources/Mini Pixel Pack 3/Player ship/Boosters_right (16 x 16).png" id="5_101mb"]
-
-[sub_resource type="AtlasTexture" id="AtlasTexture_hbo4f"]
-atlas = ExtResource("3_4bh5q")
-region = Rect2(0, 0, 16, 16)
-
-[sub_resource type="AtlasTexture" id="AtlasTexture_ctvyo"]
-atlas = ExtResource("3_4bh5q")
-region = Rect2(16, 0, 16, 16)
-
-[sub_resource type="AtlasTexture" id="AtlasTexture_qixtg"]
-atlas = ExtResource("4_e124b")
-region = Rect2(0, 0, 16, 16)
-
-[sub_resource type="AtlasTexture" id="AtlasTexture_nt65e"]
-atlas = ExtResource("4_e124b")
-region = Rect2(16, 0, 16, 16)
-
-[sub_resource type="AtlasTexture" id="AtlasTexture_bhmdk"]
-atlas = ExtResource("5_101mb")
-region = Rect2(0, 0, 16, 16)
-
-[sub_resource type="AtlasTexture" id="AtlasTexture_s5y6v"]
-atlas = ExtResource("5_101mb")
-region = Rect2(16, 0, 16, 16)
-
-[sub_resource type="SpriteFrames" id="SpriteFrames_407ns"]
-animations = [{
-"frames": [{
-"duration": 1.0,
-"texture": SubResource("AtlasTexture_hbo4f")
-}, {
-"duration": 1.0,
-"texture": SubResource("AtlasTexture_ctvyo")
-}],
-"loop": true,
-"name": &"forward",
-"speed": 10.0
-}, {
-"frames": [{
-"duration": 1.0,
-"texture": SubResource("AtlasTexture_qixtg")
-}, {
-"duration": 1.0,
-"texture": SubResource("AtlasTexture_nt65e")
-}],
-"loop": true,
-"name": &"left",
-"speed": 10.0
-}, {
-"frames": [{
-"duration": 1.0,
-"texture": SubResource("AtlasTexture_bhmdk")
-}, {
-"duration": 1.0,
-"texture": SubResource("AtlasTexture_s5y6v")
-}],
-"loop": true,
-"name": &"right",
-"speed": 10.0
-}]
-
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_w3w6i"]
-size = Vector2(14, 14)
 
 [node name="Gameplay" type="Node2D"]
 
-[node name="Player" type="Area2D" parent="."]
+[node name="Player" parent="." instance=ExtResource("1_00tan")]
 position = Vector2(-10, 0)
-script = ExtResource("1_ocj2s")
+bullet_scene = ExtResource("2_l1v76")
 
-[node name="Ship" type="Sprite2D" parent="Player"]
+[node name="Bullet" parent="." instance=ExtResource("2_l1v76")]
-texture = ExtResource("2_din8e")
-hframes = 3
-frame = 1
-
-[node name="Boosters" type="AnimatedSprite2D" parent="Player/Ship"]
-position = Vector2(0, 15)
-sprite_frames = SubResource("SpriteFrames_407ns")
-animation = &"right"
-autoplay = "forward"
-
-[node name="CollisionShape2D" type="CollisionShape2D" parent="Player"]
-shape = SubResource("RectangleShape2D_w3w6i")
-
-[node name="GunCoolDown" type="Timer" parent="Player"]
-one_shot = true

scenes/player.gd

@@ -1,8 +1,31 @@
 extends Area2D
 
 @export var speed = 150
+@export var cooldown = 0.25
+@export var bullet_scene : PackedScene
+var can_shoot = true
+
 @onready var screensize = get_viewport_rect().size
 
+func _ready():
+    start()
+
+func start():
+    position = Vector2(screensize.x / 2, screensize.y - 64)
+    $GunCooldown.wait_time = cooldown
+
+func shoot():
+    if not can_shoot:
+        return
+    can_shoot = false
+    $GunCooldown.start()
+    var b = bullet_scene.instantiate()
+    get_tree().root.add_child(b)
+    b.start(position + Vector2(0, -8))
+
+func _on_gun_cooldown_timeout():
+    can_shoot = true
+
 func _process(delta):
     var input = Input.get_vector("left", "right", "up", "down")
     if input.x > 0:
@@ -17,3 +40,5 @@ func _process(delta):
     position += input * speed * delta
     position = position.clamp(Vector2(8, 8), screensize-Vector2(8, 8))
 
+    if Input.is_action_pressed("shoot"):
+        shoot()

scenes/player.tscn

@@ -0,0 +1,93 @@
+[gd_scene load_steps=14 format=3 uid="uid://bkuucjejc7p2v"]
+
+[ext_resource type="Script" uid="uid://c7fe5pl54gkem" path="res://scenes/player.gd" id="1_qlg0r"]
+[ext_resource type="Texture2D" uid="uid://di2xhcwcdbhxg" path="res://resources/Mini Pixel Pack 3/Player ship/Player_ship (16 x 16).png" id="2_tuyoq"]
+[ext_resource type="Texture2D" uid="uid://ces8fm7lxh574" path="res://resources/Mini Pixel Pack 3/Player ship/Boosters (16 x 16).png" id="3_fjrip"]
+[ext_resource type="Texture2D" uid="uid://bjdhq42ummgky" path="res://resources/Mini Pixel Pack 3/Player ship/Boosters_left (16 x 16).png" id="4_smehm"]
+[ext_resource type="Texture2D" uid="uid://cjv3xbuj65pav" path="res://resources/Mini Pixel Pack 3/Player ship/Boosters_right (16 x 16).png" id="5_ur7pv"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_hbo4f"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(0, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_ctvyo"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(16, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_qixtg"]
+atlas = ExtResource("4_smehm")
+region = Rect2(0, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_nt65e"]
+atlas = ExtResource("4_smehm")
+region = Rect2(16, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_bhmdk"]
+atlas = ExtResource("5_ur7pv")
+region = Rect2(0, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_s5y6v"]
+atlas = ExtResource("5_ur7pv")
+region = Rect2(16, 0, 16, 16)
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_407ns"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_hbo4f")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_ctvyo")
+}],
+"loop": true,
+"name": &"forward",
+"speed": 10.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_qixtg")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_nt65e")
+}],
+"loop": true,
+"name": &"left",
+"speed": 10.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_bhmdk")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_s5y6v")
+}],
+"loop": true,
+"name": &"right",
+"speed": 10.0
+}]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_w3w6i"]
+size = Vector2(14, 14)
+
+[node name="Player" type="Area2D"]
+script = ExtResource("1_qlg0r")
+
+[node name="Ship" type="Sprite2D" parent="."]
+texture = ExtResource("2_tuyoq")
+hframes = 3
+frame = 1
+
+[node name="Boosters" type="AnimatedSprite2D" parent="Ship"]
+position = Vector2(0, 15)
+sprite_frames = SubResource("SpriteFrames_407ns")
+animation = &"right"
+autoplay = "forward"
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_w3w6i")
+
+[node name="GunCooldown" type="Timer" parent="."]
+wait_time = 0.001
+one_shot = true
+
+[connection signal="timeout" from="GunCooldown" to="." method="_on_gun_cooldown_timeout"]