#!/usr/bin/env python
# -*- coding: utf-8 -*-

import maya.cmds as cmds
from Core import GetJoints

def delete_joint_for_lod(lod):
    """
    删除指定LOD级别不需要的关节
    
    参数:
        lod (int): LOD级别
    """
    # 获取所有关节和指定LOD级别的关节
    joint_all = GetJoints(lod=0, type="string")
    joint_lod = GetJoints(lod=lod, type="string")
    
    # 找出需要删除的关节（在所有关节中但不在指定LOD级别中的关节）
    joint_del = list(set(joint_all) - set(joint_lod))
    
    # 删除不需要的关节
    for joint in joint_del:
        if cmds.objExists(joint):
            cmds.delete(joint)