Although it's not J, there's a nice interactive Mathematica version of
Rubik's Cube available at:
http://demonstrations.wolfram.com/RubiksCube/
You can view a very quick and not very impressive animation directly
on-line there by clicking the "View web preview" link. You can also run
the demonstration without having Mathematica itself, provided you
download the free Mathematica Player (a download or around 100MB as I
recall). Unfortunately, to see the source code, you need Mathematica
itself.
What's nice about this version is that you just click a button to do one
of the basic turns. And the graphic is done very nicely in that you can
see thin strips of "light" between the individual little cubes. The
only thing missing from this demonstration is an automatic solver.
--
Murray Eisenberg [EMAIL PROTECTED]
Mathematics & Statistics Dept.
Lederle Graduate Research Tower phone 413 549-1020 (H)
University of Massachusetts 413 545-2859 (W)
710 North Pleasant Street fax 413 545-1801
Amherst, MA 01003-9305
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