feat(角色): 为KukeMC添加重型紫水晶攻击技能

- 新增HeavyCrystal.gd脚本实现重型紫水晶子弹逻辑
- 在KukeMC角色中添加type=3的攻击类型
- 调整子弹场景配置，增加粒子特效和碰撞检测
- 移除旧的生成子角色和随机水晶攻击逻辑

components/Bullets/BossAttack/KukeMC/HeavyCrystal.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=10 format=3 uid="uid://dxd6ikymj0fge"]
+[gd_scene load_steps=14 format=3 uid="uid://dxd6ikymj0fge"]
 
 [ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_mf7ha"]
 [ext_resource type="Script" path="res://scripts/Statemachine/ShaderStage.gd" id="2_75div"]
 [ext_resource type="Texture2D" uid="uid://c7hyatbuieaj" path="res://resources/bullets/purple-crystal/frames/0.svg" id="2_ghoc2"]
 [ext_resource type="Shader" path="res://shaders/Ring.gdshader" id="2_utujj"]
+[ext_resource type="Script" path="res://scripts/Contents/Bullets/BossAttack/KukeMC/HeavyCrystal.gd" id="2_ygemv"]
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_1i43q"]
 shader = ExtResource("2_utujj")
@@ -101,19 +102,53 @@ _data = {
 "spawn": SubResource("Animation_qobcv")
 }
 
+[sub_resource type="Curve" id="Curve_g11yl"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_inkfe"]
+curve = SubResource("Curve_g11yl")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_hgwnm"]
+particle_flag_disable_z = true
+direction = Vector3(-1, 0, 0)
+spread = 0.0
+initial_velocity_min = 300.0
+initial_velocity_max = 300.0
+gravity = Vector3(0, 0, 0)
+alpha_curve = SubResource("CurveTexture_inkfe")
+
 [node name="HeavyCrystal" instance=ExtResource("1_mf7ha")]
+script = ExtResource("2_ygemv")
+displayName = "重型紫水晶"
+speed = 0.0
+damage = 20.0
+lifeTime = 2000.0
 
 [node name="track" type="Node2D" parent="." index="0"]
+unique_name_in_owner = true
 material = SubResource("ShaderMaterial_1i43q")
 script = ExtResource("2_75div")
 size = Vector2(150, 150)
 color = Color(0.451438, 0.278306, 1.44392e-07, 1)
 
 [node name="texture" parent="." index="1"]
-position = Vector2(73, 0)
+position = Vector2(95, 0)
+scale = Vector2(1.5, 1.5)
 sprite_frames = SubResource("SpriteFrames_e150r")
 
 [node name="animator" parent="texture" index="0"]
 libraries = {
 "": SubResource("AnimationLibrary_mdce7")
 }
+
+[node name="trail" type="GPUParticles2D" parent="texture" index="1"]
+unique_name_in_owner = true
+z_index = -1
+amount = 10
+process_material = SubResource("ParticleProcessMaterial_hgwnm")
+texture = ExtResource("2_ghoc2")
+local_coords = true
+
+[node name="hitbox" parent="." index="2"]
+position = Vector2(60, 0)

scripts/Contents/Bullets/BossAttack/KukeMC/HeavyCrystal.gd

@@ -0,0 +1,17 @@
+extends BulletBase
+
+@onready var trail: GPUParticles2D = $"%trail"
+@onready var track: Node2D = $"%track"
+
+var readyTime: float = 1000
+
+func spawn():
+	trail.emitting = false
+func ai():
+	if timeLived() < readyTime:
+		rotation = launcher.position.angle_to_point(launcher.currentFocusedBoss.position)
+	else:
+		PresetBulletAI.forward(self, rotation)
+		speed += 1
+		trail.emitting = true
+		track.visible = false

scripts/Contents/Characters/KukeMC.gd

@@ -7,15 +7,8 @@ func register():
 	attackCooldownMap[0] = 2000
 	attackCooldownMap[1] = 5000
 	attackCooldownMap[2] = 6000
+	attackCooldownMap[3] = 2000
 	inventory[ItemStore.ItemType.APPLE] = INF
-func spawn():
-	for i in 3:
-		var child = EntityBase.generate(load("res://components/Characters/KukeChild.tscn"), position + MathTool.randv2_range(500))
-		child.currentFocusedBoss = currentFocusedBoss
-		child.masterMine = self
-	for i in randi_range(5, 25):
-		BulletBase.generate(preload("res://components/Bullets/PurpleCrystal.tscn"), self, findWeaponAnchor("normal"), deg_to_rad(randf_range(0, 360)))
-		await TickTool.millseconds(randi_range(0, 50))
 func ai():
 	PresetEntityAI.follow(self, currentFocusedBoss, 500)
 	for bullet in get_tree().get_nodes_in_group("bullets"):
@@ -24,8 +17,9 @@ func ai():
 			bullet.position.distance_to(self.position) < 200
 		):
 			bullet.tryDestroy()
-	for i in len(attackCooldownMap.keys()):
-		tryAttack(i)
+	# for i in len(attackCooldownMap.keys()):
+	# 	tryAttack(i)
+	tryAttack(3)
 func attack(type):
 	if type == 0:
 		for i in randi_range(8, 16):
@@ -45,3 +39,5 @@ func attack(type):
 				fields[FieldStore.Entity.OFFSET_SHOOT] = 0
 				BulletBase.generate(preload("res://components/Bullets/PurpleCrystal.tscn"), self, findWeaponAnchor("normal"), deg_to_rad(360.0 / count * i + 360.0 / count1 * j))
 			await TickTool.millseconds(100)
+	elif type == 3:
+		BulletBase.generate(preload("res://components/Bullets/BossAttack/KukeMC/HeavyCrystal.tscn"), self, findWeaponAnchor("normal"), position.angle_to_point(currentFocusedBoss.position))