Thanks Structure, I'll test that soon when I have time. So, it sounds like the mystery line was being used by the scripter to save having to write/calculate a string of numbers.

3dcheapskate - the original video was by Bill Nye. He made a 10-frame walk cycle with the Poser Walk Designer, and then every ten frames had the script rotate the figure. He was making flat-colour 'psuedo 3D' walking sprites for Flash.

I assume if you have a maybe five frame walk for each leg of a millipede, simply swinging back and forth, then you could apply that to all legs, but then stagger the timing on each so as to get the flowing 'ripple effect' of a millipede's legs?  Once you have that, then the whole creature could be made to walk around in a circle. How you would then make it wiggle a bit I don't know.

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