feat(武器系统): 调整武器升级逻辑并添加等级显示

- 修改PurpleCrystal和LGBT武器的属性增长系数
- 武器升级时增加等级并调整消耗计算
- 在UI中添加武器等级显示
- 升级后自动更新武器信息

scripts/Contents/Weapons/LGBTWeapon.gd

@@ -3,11 +3,11 @@ extends Weapon
 class_name LGBTWeapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
-	origin["atk"] += 5 * to
+	origin["atk"] += 2 * to
 	origin["count"] += 1
-	origin["power"] += 0.05
+	origin["power"] += 0.03
 	origin["trace"] += 0.25
-	origin["angle"] /= 1.1
+	origin["angle"] -= 0.1
 	return origin
 func attack(entity: EntityBase):
 	var weaponPos = entity.findWeaponAnchor("normal")

scripts/Contents/Weapons/PurpleCrystal.gd

@@ -3,7 +3,7 @@ extends Weapon
 class_name PurpleCrystalWeapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
-	origin["atk"] += 5 * to
+	origin["atk"] += 2 * to
 	return origin
 func attack(entity: EntityBase):
 	var weaponPos = entity.findWeaponAnchor("normal")