refactor(Bullet): 移除ChickSprint的atk变量并简化伤害计算

调整Cat角色的攻击冷却时间和冲刺倍数
为BulletBase添加speedScale属性和setupCuttable方法
将Volcano的animator速度设置移至ai方法并应用speedScale

scripts/Contents/Bullets/ChickSprint.gd

@@ -1,13 +1,11 @@
 extends BulletBase
 class_name ChickSprint
 
-var atk: float = 1
-
 func register():
 	speed = 0
 	penerate = 1
 func ai():
-	baseDamage = launcher.velocity.length() / 500.0 * atk
+	baseDamage = launcher.velocity.length() / 500.0
 	PresetBulletAI.lockLauncher(self, launcher, true)
 	if !launcher.sprinting:
 		tryDestroy()

scripts/Contents/Bullets/Volcano.gd

@@ -10,8 +10,9 @@ var dmg5: float = 0
 var splitAngle: float = 10
 
 func register():
-	animator.speed_scale = launcher.fields.get(FieldStore.Entity.ATTACK_SPEED)
+	setupCuttable(0.1)
 func ai():
+	animator.speed_scale = launcher.fields.get(FieldStore.Entity.ATTACK_SPEED) * speedScale
 	PresetBulletAI.lockLauncher(self, launcher, true)
 	rotation = lerp_angle(
 		rotation,

scripts/Contents/Characters/Cat.gd

@@ -4,16 +4,14 @@ class_name Maodie
 func register():
 	fields[FieldStore.Entity.MAX_HEALTH] = 75
 	fields[FieldStore.Entity.MOVEMENT_SPEED] = randf_range(0.5, 0.8)
-	attackCooldownMap[0] = randi_range(2500, 6000)
-	sprintMultiplier = randf_range(10, 35)
+	attackCooldownMap[0] = randi_range(5000, 8000)
+	sprintMultiplier = randf_range(5, 15)
 func ai():
 	PresetEntityAI.follow(self, currentFocusedBoss)
 	tryAttack(0, true)
 func attack(type: int):
 	if type == 0:
-		for bullet in BulletBase.generate(ComponentManager.getBullet("ChickSprint"), self, position, 0):
-			if bullet is ChickSprint:
-				bullet.atk = 0.01
+		BulletBase.generate(ComponentManager.getBullet("ChickSprint"), self, position, 0)
 		trySprint()
 	return true
 func sprint():

scripts/Statemachine/BulletBase.gd

@@ -33,6 +33,7 @@ var isChildSplit: bool = false
 var isChildRefract: bool = false
 var initialSpeed: float = 0
 var initialDamage: float = 0
+var speedScale: float = 1
 
 func _ready():
 	initialSpeed = speed
@@ -86,6 +87,19 @@ func _physics_process(_delta: float) -> void:
 	else:
 		tryDestroy()
 
+func setupCuttable(cutSpeed: float):
+	body_entered.connect(
+		func(body):
+			var entity = EntityTool.fromHurtbox(body)
+			if entity:
+				speedScale = cutSpeed
+	)
+	body_exited.connect(
+		func(body):
+			var entity = EntityTool.fromHurtbox(body)
+			if entity:
+				speedScale = 1
+	)
 func getDamage():
 	return initialDamage * damageMultipliers[usingDamageMultiplier]
 func hit(target: Node):