62 lines
2.4 KiB
Python
62 lines
2.4 KiB
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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版权所有: 清泉时代科技有限公司
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联系方式: q.100@qq.com
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创建日期: 2024/09/16
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"""
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import maya.cmds as cmds
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def sg_add_blend_shape(target_name):
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"""
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为选中的模型添加混合变形目标
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参数:
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target_name (str): 要添加的混合变形目标名称
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"""
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# 获取当前选中的对象
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selection = cmds.ls(sl=True)
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for sel in selection:
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# 遍历50个可能的网格体
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for j in range(50):
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mesh = cmds.SGGetMeshes(m=j) # 假设SGGetMeshes是一个自定义命令
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if sel == mesh:
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if target_name:
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# 获取混合变形节点名称
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blend_shape = cmds.SGGetBlendShape(mesh) # 假设SGGetBlendShape是一个自定义命令
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# 如果混合变形节点不存在，创建一个新的
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if not cmds.objExists(blend_shape):
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blend_shape = cmds.SGGetMeshes(i=j) + "_blendShapes"
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cmds.blendShape(mesh, automatic=True, name=blend_shape)
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# 获取权重属性路径
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attr_weight = f"{blend_shape}.weight"
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# 获取当前混合变形目标列表
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current_blend_shape_list = cmds.listAttr(attr_weight, multi=True) or []
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# 如果目标名称不在当前列表中，添加新的混合变形目标
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if target_name not in current_blend_shape_list:
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# 复制原始模型作为目标
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cmds.duplicate(mesh, returnRootsOnly=True, name=target_name)
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# 获取目标索引并添加混合变形
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target_index = cmds.getAttr(attr_weight, size=True)
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cmds.blendShape(
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blend_shape,
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edit=True,
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tangentSpace=True,
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target=(mesh, target_index, target_name, 1.0),
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weight=(target_index, 0)
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)
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# 删除临时创建的目标模型
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cmds.delete(target_name)
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# 恢复原始选择
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cmds.select(selection, replace=True)
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