73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import maya.cmds as cmds
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import maya.mel as mel
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def blend_shape_mirror_target(direction, axis, target_ids, blend_shape):
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"""
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镜像混合变形目标
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参数:
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direction (int): 镜像方向
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axis (int): 镜像轴向 (1=X, 2=Y, 3=Z, 4=Topology)
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target_ids (list): 要镜像的目标ID列表
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blend_shape (str): 混合变形节点名称
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"""
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# 检查混合变形节点是否存在
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if not cmds.objExists(blend_shape):
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cmds.warning(f"No Exists BlendShape: {blend_shape}")
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return
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# 获取当前对称建模设置
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original_symmetry = cmds.symmetricModelling(query=True, symmetry=True)
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symmetry_space = None
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symmetry_axis = None
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if original_symmetry:
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symmetry_space = cmds.symmetricModelling(query=True, about=True)
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if symmetry_space == "topo":
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symmetry_axis = mel.eval('blendShapeGetTopoSymmetryEdge()')
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else:
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symmetry_axis = cmds.symmetricModelling(query=True, axis=True)
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# 获取几何体索引
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geometry_indices = cmds.blendShape(blend_shape, query=True, geometryIndices=True)
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# 构建命令字符串
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cmd_parts = []
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# 为每个几何体构建镜像命令
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for geometry in geometry_indices:
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cmd = f"blendShape -e "
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for target_id in target_ids:
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cmd += f"-mt {geometry} {target_id} "
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# 设置镜像方向
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cmd += f"-md {direction} "
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# 设置对称选项
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if axis == 4:
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cmd += "-ss 0 "
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else:
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cmd += "-ss 1 "
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if axis == 1:
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cmd += "-sa x "
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elif axis == 2:
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cmd += "-sa y "
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elif axis == 3:
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cmd += "-sa z "
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cmd += f"{blend_shape};"
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cmd_parts.append(cmd)
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# 添加对称设置恢复命令
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if not original_symmetry or not symmetry_axis:
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cmd_parts.append('symmetricModelling -s 0')
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elif symmetry_space == "topo":
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cmd_parts.append(f'symmetricModelling -e -about {symmetry_space} -s 1 {symmetry_axis}')
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else:
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cmd_parts.append(f'symmetricModelling -e -about {symmetry_space} -axis {symmetry_axis} -s 1')
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# 执行命令
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for cmd in cmd_parts:
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mel.eval(cmd) |