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Mayapython Incremental button that increment value

I'm new in python.
I try to make a button in Maya that increments the value of the crease edges. Each time I click on it I want to make +1 to the crease value.

I tried this :

def crease(ignore):
value=+1
newvalue = value
for i in value(int(newvalue)+1):
maya.cmds.polyCrease(i)


But it doesn't work.
If somebody could help
I really appreciate any help you can provide

2 Answers
2

As it happens, cmds.polyCrease includes a flag that does what you want:

cmds.polyCrease

cmds.polyCrease(rv=1)


will bump the crease value on the currently selected components by 1; a negative value will bump it down. A global counter works from a programming standpoint but it will probably have surprising results if you hop between different objects in the scene.

It's a problem of nesting values, when your value is under a def, it is not not stored in the global scope.

counter = 0

def crease(ignore):
value = counter+1
maya.cmds.polyCrease(v=i)
return value

counter = crease(0)


if you want to keep track of the counter, you can create a global :
Can not increment global variable from function in python

a dict :
python modify a dictionary inside a method

or even a class.

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