shortcuts.py 文件源码

def duplicate_chain(start, end, prefix='', suffix='', search_for='', replace_with=''):
    """ Duplicates the transform chain starting at start and ending at end.

    :param start: The start transform.
    :param end: The end transform.
    :return: A list of the duplicated joints, a list of the original joints that were duplicated
    """
    joint = end
    joints = []
    original_joints = []
    while joint:
        name = '{0}{1}{2}'.format(prefix, joint, suffix)
        if search_for or replace_with:
            name = name.replace(search_for, replace_with)
        original_joints.append(joint)
        duplicate_joint = cmds.duplicate(joint, name=name, parentOnly=True)[0]
        if joints:
            cmds.parent(joints[-1], duplicate_joint)
        joints.append(duplicate_joint)
        if joint == start:
            break
        joint = cmds.listRelatives(joint, parent=True, path=True)
        if joint:
            joint = joint[0]
        else:
            raise RuntimeError('{0} is not a descendant of {1}'.format(end, start))
    joints.reverse()
    original_joints.reverse()
    return joints, original_joints