refactor(Bullets): 重构格挡子弹逻辑并提取特效创建方法

将ParrierBullet中的特效创建逻辑提取到ParryEffect和ParryEntityEffect类中
修改Volcano子弹的碰撞形状为矩形并更新相关特效调用
调整MuyangDog角色的默认武器为Volcano
统一多个子弹脚本中的函数调用空格格式

scripts/Contents/Effects/ParryEntity.gd

@@ -3,3 +3,11 @@ class_name ParryEntityEffect
 
 func beforeShot():
 	CameraManager.shake(50, 200)
+
+static func createEffectEntity(entity: EntityBase, by: BulletBase):
+	if by is ParrierBullet:
+		by.parryiedTimes += 1
+	var eff = EffectController.create(ComponentManager.getEffect("ParryEntity"), entity.position)
+	eff.rotation = by.position.angle_to_point(entity.position)
+	eff.shot()
+	entity.impluse((entity.position - by.position).normalized() * 450)