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sa.function extends the original function to allow bezier curves. Curviture points can be dragged independently to create any curve.

sa.function is not completely backward compatible with the orignal function and most notably cannot be used with line~. However, sa.function can dump the curve as an approximation to function.

sa.function also bring exciting and powerful new features, such as multiple line support, symmetric editing modes and a undo/redo management.


  • Bezier curves!
  • Undo/redo
  • Multiple lines
  • Symmetric editing
  • Refer and duplicate named sa.functions
  • Sampling curve to dump to function
  • Supports Windows and Mac.

pattr support is coming soon.

The zip file contains both Windows and Mac externals and helpfile.


Jan 18, 2012 at 8:38am

Please oh please bring pattr support

Jan 21, 2012 at 4:48am

I too am standing by for the pattr support! :)

Great work, keep it up!

Jan 23, 2012 at 1:51pm

Agreed, fantastic work – sorry i did not mention this before Toshiro !

Really hope you update the patch so i can stop using my work around which is no where near as elegant at pattr.

Apr 29, 2013 at 9:46am

Hi Toshiro,
I hope you read this: Please update your sa.function to 64 bit!

May 3, 2013 at 12:02pm

agreed. 64bit request please. wish i knew how to do it myself…

hopefully you get around to it.

thanks, man.

May 27, 2013 at 8:06am

Hi, this object is excellent, thanks for sharing it. One question: does the ‘setdomain’ message not work as it does within the standard function object? The helpfile seems to suggest it does, but i’m not having much luck with it. Any clues?

Jul 7, 2013 at 1:45pm

Thank !

Nov 27, 2013 at 2:41am

is pattr support really coming?!?!

Mar 22, 2014 at 12:54pm

+1 we need 64bit version

Mar 22, 2014 at 5:30pm

you know that you can have curved lines with funciotn now right ?

Mar 22, 2014 at 5:39pm

but it’s not quite the same, ok


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