feat: 添加手枪武器

scenes/projectiles/projectile.gd

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+extends Node2D
+class_name Projectile
+
+@export var hitbox: HitboxComponent
+
+var velocity: Vector2
+
+func _process(delta: float) -> void:
+	position += velocity * delta
+
+func set_projectile(velocity: Vector2, damage: float, critical: bool, knockback: float, unit: Node2D) -> void:
+	self.velocity = velocity
+	rotation = velocity.angle()
+	if hitbox:
+		hitbox.setup(damage, critical, knockback, unit)
+	
+
+func _on_visible_on_screen_notifier_2d_screen_exited() -> void:
+	queue_free()
+
+
+func _on_hitbox_component_on_hit_hurtbox(hurtbox: HurtboxComponent) -> void:
+	queue_free()

scenes/projectiles/projectile.gd.uid

@@ -0,0 +1 @@
+uid://bmye8ydta5x0x

scenes/projectiles/projectile_laser.tscn

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+[gd_scene format=3 uid="uid://dgxgta5rdunaj"]
+
+[ext_resource type="PackedScene" uid="uid://cponp20ht0gf6" path="res://scenes/projectiles/projectile_pistol.tscn" id="1_kgo5h"]
+[ext_resource type="Texture2D" uid="uid://3c2kwaw7powj" path="res://assets/sprites/Projectiles/Projectile_3.png" id="2_4n0tj"]
+
+[node name="ProjectileLaser" unique_id=109874266 instance=ExtResource("1_kgo5h")]
+
+[node name="Sprite2D" parent="." index="0" unique_id=575255969]
+texture = ExtResource("2_4n0tj")

scenes/projectiles/projectile_pistol.tscn

@@ -0,0 +1,28 @@
+[gd_scene format=3 uid="uid://cponp20ht0gf6"]
+
+[ext_resource type="Texture2D" uid="uid://45dwbyxmy4wd" path="res://assets/sprites/Projectiles/Projectile_2.png" id="1_4u32m"]
+[ext_resource type="Script" uid="uid://bmye8ydta5x0x" path="res://scenes/projectiles/projectile.gd" id="1_71gtn"]
+[ext_resource type="PackedScene" uid="uid://c0fyx8gj5uexl" path="res://scenes/components/hitbox_component.tscn" id="1_u4710"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_4u32m"]
+radius = 13.0
+
+[node name="ProjectilePistol" type="Node2D" unique_id=109874266 node_paths=PackedStringArray("hitbox")]
+script = ExtResource("1_71gtn")
+hitbox = NodePath("HitboxComponent")
+
+[node name="Sprite2D" type="Sprite2D" parent="." unique_id=575255969]
+scale = Vector2(0.5, 0.5)
+texture = ExtResource("1_4u32m")
+
+[node name="HitboxComponent" parent="." unique_id=151235566 instance=ExtResource("1_u4710")]
+collision_layer = 16
+collision_mask = 8
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="HitboxComponent" unique_id=1598992093]
+shape = SubResource("CircleShape2D_4u32m")
+
+[node name="VisibleOnScreenNotifier2D" type="VisibleOnScreenNotifier2D" parent="." unique_id=1911021715]
+
+[connection signal="on_hit_hurtbox" from="HitboxComponent" to="." method="_on_hitbox_component_on_hit_hurtbox"]
+[connection signal="screen_exited" from="VisibleOnScreenNotifier2D" to="." method="_on_visible_on_screen_notifier_2d_screen_exited"]

scenes/projectiles/projectile_revolver.tscn

@@ -0,0 +1,9 @@
+[gd_scene format=3 uid="uid://bvdn35euxceps"]
+
+[ext_resource type="PackedScene" uid="uid://cponp20ht0gf6" path="res://scenes/projectiles/projectile_pistol.tscn" id="1_yd76t"]
+[ext_resource type="Texture2D" uid="uid://d3m2aqwl8u1qx" path="res://assets/sprites/Projectiles/Projectile_4.png" id="2_5bfio"]
+
+[node name="ProjectileRevolver" unique_id=109874266 instance=ExtResource("1_yd76t")]
+
+[node name="Sprite2D" parent="." index="0" unique_id=575255969]
+texture = ExtResource("2_5bfio")

scenes/projectiles/projectile_shotgun.tscn

@@ -0,0 +1,9 @@
+[gd_scene format=3 uid="uid://5mv5jtkql7pm"]
+
+[ext_resource type="PackedScene" uid="uid://cponp20ht0gf6" path="res://scenes/projectiles/projectile_pistol.tscn" id="1_lmmiu"]
+[ext_resource type="Texture2D" uid="uid://cmr4xxqrthts7" path="res://assets/sprites/Projectiles/Projectile_1.png" id="2_gh7rf"]
+
+[node name="ProjectileShotgun" unique_id=109874266 instance=ExtResource("1_lmmiu")]
+
+[node name="Sprite2D" parent="." index="0" unique_id=575255969]
+texture = ExtResource("2_gh7rf")

scenes/projectiles/projectile_smg.tscn

@@ -0,0 +1,9 @@
+[gd_scene format=3 uid="uid://7doitq0bldjw"]
+
+[ext_resource type="PackedScene" uid="uid://cponp20ht0gf6" path="res://scenes/projectiles/projectile_pistol.tscn" id="1_s2juw"]
+[ext_resource type="Texture2D" uid="uid://bf4yrlp8dofx1" path="res://assets/sprites/Projectiles/Projectile_5.png" id="2_7qwbs"]
+
+[node name="ProjectileSMG" unique_id=109874266 instance=ExtResource("1_s2juw")]
+
+[node name="Sprite2D" parent="." index="0" unique_id=575255969]
+texture = ExtResource("2_7qwbs")