Python 在 Maya 中:主函数在传递变量时调用其他函数?

Python in Maya: main function calls other function while passing variables?

我是一名动画师,刚开始编程...非常感谢您的帮助!

我正在编写 Python 脚本以在 Maya 中自动复制控制器对象。它为角色手中的每个骨骼创建控制器。

它作为一个长函数工作得很好,但我想要一个主函数,"handCtrls()",在其中调用函数来完成各种任务。我还需要将变量传递给子函数,因为我正在迭代变量 "i".

我在调用函数 "nullGrouper(side, boney, i, ctrl)" 的行上遇到错误,错误提示 "global variable 'ctrl' is undefined"。但它是在 "ctrlDup" 函数中定义的,我使用了 "return ctrl",但我会将该变量发送回 'handCtrls()'。

代码如下:

import maya.cmds as c

def ctrlDup(side, boney, i, ctrlOrig):
    #Select and duplicate the original Control, and place it at the appropiate boney
    c.select(ctrlOrig)
    ctrl = c.duplicate(ctrlOrig, n=side + boney + str(i) + '_CTRL')
    print(ctrl)
    print('ctrlDup passed')
    return ctrl

def nullGrouper(side, boney, i, ctrl):
    #Create null group at same position as Control
    print(ctrl)
    print(ctrl[0])
    nullGrp = c.group(n=side + boney + str(i) + '_GRP', empty=1, world=1)
    print(nullGrp)
    c.parentConstraint(ctrl, nullGrp, n='nullGrp_parentConstr_temp')
    c.delete('nullGrp_parentConstr_temp')
    print('nullGrouper passed')
    return ctrl, nullGrp
def handCtrls():
    #First select the Controller to be duplicated
    sel = c.ls(sl=1)
    ctrlOrig = sel[0]
    #List sides
    sideList = ['L_', 'R_']
    #List bones of part
    boneyList = ['thumb', 'index', 'middle', 'ring', 'pinky']
    #Now, iterate across finger joints, up to 3, group controls, and parent them
    for side in sideList:
        for boney in boneyList:
            for i in range(1, 4, 1):
                #Check if boney is thumb, and joint number is 3
                if (boney!='thumb') or (i!=3):
                    ctrlDup(side, boney, i, ctrlOrig)
                    nullGrouper(side, boney, i, ctrl)
                else:
                    pass

    print("It's done.")

handCtrls()

有几个 'print' 命令只是为了检查变量是否被传递。谢谢!

那是因为你没有存储 return

...
ctrl = ctrlDup(side, boney, i, ctrlOrig)
nullGrouper(side, boney, i, ctrl)