feat(子弹系统): 添加QKSword子弹及其处理逻辑

实现QKSword子弹类型，包括子弹行为、生成逻辑和命中效果
- 新增QKSwordBullet类，实现追踪目标功能
- 新增QKSwordHandler处理命中后的子弹生成
- 修改ParryBall使其命中时生成QKSword子弹
- 调整CycleTimer的子弹偏移计算
- 为BulletBase添加afterSpawn回调

components/Bullets/QKSword.tscn

@@ -0,0 +1,139 @@
+[gd_scene load_steps=9 format=3 uid="uid://bhp1ru3rjwkbf"]
+
+[ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_1ke2b"]
+[ext_resource type="Texture2D" uid="uid://ctmxadaowx5ps" path="res://resources/weapons/Volcano.webp" id="2_q2yg1"]
+[ext_resource type="Script" uid="uid://chyrnrbgcudmk" path="res://scripts/Contents/Bullets/QKSword.gd" id="2_x26jp"]
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_x26jp"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("2_q2yg1")
+}],
+"loop": true,
+"name": &"default",
+"speed": 5.0
+}]
+
+[sub_resource type="Animation" id="Animation_q2yg1"]
+resource_name = "spawn"
+step = 0.1
+tracks/0/type = "bezier"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:scale:x")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"handle_modes": PackedInt32Array(0, 2),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0, 1, -0.16666667, 0, 0, 0),
+"times": PackedFloat32Array(0, 1)
+}
+tracks/1/type = "bezier"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath(".:scale:y")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"handle_modes": PackedInt32Array(2, 2),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0, 1, -0.16666667, 0, 0, 0),
+"times": PackedFloat32Array(0, 1)
+}
+tracks/2/type = "bezier"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath(".:rotation")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"handle_modes": PackedInt32Array(2, 0),
+"points": PackedFloat32Array(-4.71, -0.25, 0, 0.25, 0, 0.78, -0.15, 0, 0, 0),
+"times": PackedFloat32Array(0, 1)
+}
+tracks/3/type = "bezier"
+tracks/3/imported = false
+tracks/3/enabled = true
+tracks/3/path = NodePath(".:modulate:a")
+tracks/3/interp = 1
+tracks/3/loop_wrap = true
+tracks/3/keys = {
+"handle_modes": PackedInt32Array(2, 2),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0, 1, -0.16666667, 0, 0, 0),
+"times": PackedFloat32Array(0, 1)
+}
+
+[sub_resource type="Animation" id="Animation_x26jp"]
+length = 0.001
+tracks/0/type = "bezier"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:scale:x")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"handle_modes": PackedInt32Array(0),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0),
+"times": PackedFloat32Array(0)
+}
+tracks/1/type = "bezier"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath(".:scale:y")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"handle_modes": PackedInt32Array(0),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0),
+"times": PackedFloat32Array(0)
+}
+tracks/2/type = "bezier"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath(".:rotation")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"handle_modes": PackedInt32Array(0),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0),
+"times": PackedFloat32Array(0)
+}
+tracks/3/type = "bezier"
+tracks/3/imported = false
+tracks/3/enabled = true
+tracks/3/path = NodePath(".:modulate:a")
+tracks/3/interp = 1
+tracks/3/loop_wrap = true
+tracks/3/keys = {
+"handle_modes": PackedInt32Array(0),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0),
+"times": PackedFloat32Array(0)
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_evtlt"]
+_data = {
+&"RESET": SubResource("Animation_x26jp"),
+&"spawn": SubResource("Animation_q2yg1")
+}
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_q2yg1"]
+size = Vector2(94, 12)
+
+[node name="QKSword" instance=ExtResource("1_1ke2b")]
+script = ExtResource("2_x26jp")
+speed = 20.0
+lifeTime = 2000.0
+autoSpawnAnimation = true
+
+[node name="texture" parent="." index="0"]
+modulate = Color(1, 1, 1, 0)
+scale = Vector2(1e-05, 1e-05)
+sprite_frames = SubResource("SpriteFrames_x26jp")
+
+[node name="animator" parent="texture" index="0"]
+libraries = {
+&"": SubResource("AnimationLibrary_evtlt")
+}
+
+[node name="hitbox" parent="." index="1"]
+shape = SubResource("RectangleShape2D_q2yg1")

components/Bullets/QKSwordHandler.tscn

@@ -0,0 +1,13 @@
+[gd_scene load_steps=4 format=3 uid="uid://cocn5lqxetw2u"]
+
+[ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_ixcon"]
+[ext_resource type="Script" uid="uid://cmph2bim5oro5" path="res://scripts/Contents/Bullets/QKSwordHandler.gd" id="2_y2oc8"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_ixcon"]
+radius = 50.0
+
+[node name="QKSwordHandler" instance=ExtResource("1_ixcon")]
+script = ExtResource("2_y2oc8")
+
+[node name="hitbox" parent="." index="1"]
+shape = SubResource("CircleShape2D_ixcon")

scripts/Contents/Bullets/ParryBall.gd

@@ -9,3 +9,14 @@ func spawn():
 func ai():
 	PresetBulletAI.selfRotate(self , 5)
 	hitbox.disabled = !launcher.sprinting
+func succeedToHit(_dmg: float, entity: EntityBase):
+	for bullet in BulletBase.generate(
+		ComponentManager.getBullet("QKSword"),
+		launcher,
+		entity.position,
+		0
+	):
+		if bullet is QKSwordBullet:
+			bullet.position = entity.texture.global_position + MathTool.sampleInRing(50, 200)
+			bullet.tracer = entity
+			bullet.look_at(entity.position)

scripts/Contents/Bullets/QKSword.gd

@@ -0,0 +1,10 @@
+extends BulletBase
+class_name QKSwordBullet
+
+var tracer: EntityBase
+
+func ai():
+	if is_instance_valid(tracer):
+		look_at(tracer.position)
+	if timeLived() > 1000:
+		PresetBulletAI.forward(self , rotation)

scripts/Contents/Bullets/QKSword.gd.uid

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

scripts/Contents/Bullets/QKSwordHandler.gd

@@ -0,0 +1,14 @@
+extends BulletBase
+class_name QKSwordHandler
+
+func succeedToHit(_dmg: float, entity: EntityBase):
+	for bullet in BulletBase.generate(
+		ComponentManager.getBullet("QKSword"),
+		launcher,
+		entity.position,
+		0
+	):
+		if bullet is QKSwordBullet:
+			bullet.position = entity.texture.global_position + MathTool.sampleInRing(50, 200)
+			bullet.tracer = entity
+			bullet.look_at(entity.position)

scripts/Contents/Bullets/QKSwordHandler.gd.uid

@@ -0,0 +1 @@
+uid://cmph2bim5oro5

scripts/Statemachine/BulletBase.gd

@@ -71,6 +71,7 @@ func _ready():
 	if autoSpawnAnimation:
 		animator.play("spawn")
 		await animator.animation_finished
+		afterSpawn()
 		if freeAfterSpawn:
 			tryDestroy()
 func _process(_delta: float) -> void:
@@ -214,6 +215,8 @@ func destroy(_beacuseMap: bool):
 	pass
 func spawn():
 	pass
+func afterSpawn():
+	pass
 func applyDot():
 	pass
 func succeedToHit(_dmg: float, _entity: EntityBase):

scripts/Statemachine/CycleTimer.gd

@@ -19,7 +19,7 @@ func apply():
 	for index in len(bullets):
 		var bullet = bullets[index]
 		var offset = Vector2.from_angle(periodPercent(index))
-		offset.y *= 0.5
+		offset.y *= 0.25
 		bullet.position = bullet.launcher.position + offset * distance
 		bullet.scale = Vector2.ONE * (1 + offset.y)
 func host(bullet: BulletBase):