feat(战斗系统): 调整熊Boss的攻击行为和冲刺机制

- 修改ChickSprint子弹伤害计算公式的分母参数
- 在EntityBase中新增targetableSprinting状态变量
- 优化熊Boss的攻击模式，包括增加攻击次数随机性、调整移动速度和冲刺倍率
- 改进冲刺逻辑，增加目标位置随机性和冲刺后返回机制

scripts/Contents/Bullets/ChickSprint.gd

@@ -5,7 +5,7 @@ func register():
 	speed = 0
 	penerate = 1
 func ai():
-	damage = launcher.velocity.length() / 300
+	damage = launcher.velocity.length() / 250
 	PresetBulletAI.lockLauncher(self, launcher, true)
 	if !launcher.sprinting:
 		tryDestroy()

scripts/Contents/Characters/Bear.gd

@@ -5,41 +5,49 @@ class_name Bear # 攻击方式模仿泰拉瑞亚光之女皇
 
 func register():
 	fields[FieldStore.Entity.MAX_HEALTH] = 2000
-	fields[FieldStore.Entity.MOVEMENT_SPEED] = 0.25
+	fields[FieldStore.Entity.MOVEMENT_SPEED] = 0.5
 	attackCooldownMap[0] = 3000
 	attackCooldownMap[1] = 10000
 	attackCooldownMap[2] = 8000
 	attackCooldownMap[3] = 13000
-	sprintMultiplier = 120
+	sprintMultiplier = 100
 func spawn():
 	texture.play("walk")
 func ai():
-	PresetEntityAI.follow(self, currentFocusedBoss, 0)
+	PresetEntityAI.follow(self, currentFocusedBoss, 200)
 	for i in range(4):
 		tryAttack(i)
 func attack(type):
 	var weaponPos = findWeaponAnchor("normal")
 	if type == 0:
-		for i in range(20):
-			for bullet in BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/ArrowSeven.tscn"), self, weaponPos, deg_to_rad(randf_range(0, 360))):
+		playSound("attack0")
+		for i in randi_range(20, 30):
+			for bullet in BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/ArrowSeven.tscn"), self, findWeaponAnchor("normal"), deg_to_rad(randf_range(0, 360))):
 				bullet.tracer = currentFocusedBoss
+				bullet.position += MathTool.randv2_range(50)
+			await TickTool.millseconds(50)
+		return false
 	elif type == 1:
-		await sprintTo(currentFocusedBoss.position - Vector2(200, 200), 0.25)
-		for i in range(6):
-			BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/SunDance.tscn"), self, weaponPos, deg_to_rad(randf_range(0, 360)))
+		await sprintTo(currentFocusedBoss.position - Vector2(MathTool.randc_from([-300, 300]), 300), 0.25)
+		var count = randi_range(6, 8)
+		for i in range(count):
+			BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/SunDance.tscn"), self, weaponPos, deg_to_rad(360.0 / count * i))
 	elif type == 2:
 		for i in range(13):
 			for bullet in BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/ForeverRainbow.tscn"), self, weaponPos, 0):
 				bullet.rotation = 360 / 13.0 * i
 	elif type == 3:
-		await sprintTo(currentFocusedBoss.position - Vector2(500, 0), 0.25)
+		await sprintTo(currentFocusedBoss.position - Vector2(MathTool.randc_from([500, -500]), 0), 0.25)
+		playSound("attack3")
 		sprintParticle.emitting = true
 		canRunAi = false
-		await TickTool.millseconds(1500)
+		await TickTool.millseconds(900)
 		BulletBase.generate(preload("res://components/Bullets/BearSprint.tscn"), self, weaponPos, 0)
 		await trySprint()
 		sprintParticle.emitting = false
 		canRunAi = true
+		await sprintTo(currentFocusedBoss.position + MathTool.randv2_range(400), 0.25)
+		return false
 	return true
 func sprint():
 	move((currentFocusedBoss.position - position).normalized() * sprintMultiplier * Vector2(1, 0), true)

scripts/Statemachine/EntityBase.gd

@@ -86,6 +86,7 @@ var statebar: EntityStateBar
 var health: float = 0
 var energy: float = 0
 var sprinting: bool = false
+var targetableSprinting: bool = false
 var trailing: bool = false
 
 var lastDirection: int = 1
@@ -246,23 +247,28 @@ func tryAttack(type: int, needChargeUp: bool = false):
 			if await weapon.tryAttack(self):
 				weapon.playSound("attack")
 		else:
-			attack(type)
-			playSound("attack" + str(type))
+			if await attack(type):
+				playSound("attack" + str(type))
 	return state
 func trySprint():
 	trailing = true
 	playSound("sprint")
-	sprint()
 	sprinting = true
+	sprint()
 	await TickTool.until(func(): return !sprinting)
 	trailing = false
 func sprintTo(target: Vector2, speed: float):
+	await TickTool.until(func(): return !targetableSprinting)
+	targetableSprinting = true
+	trailing = true
 	await TickTool.until(
 		func():
 			position += (target - position) * speed
 			return position.distance_to(target) < 10
 	)
 	position = target
+	trailing = false
+	targetableSprinting = false
 func tryDie(by: BulletBase):
 	if is_queued_for_deletion(): return
 	for drop in range(min(len(drops), len(dropCounts))):