On 5/5/05, Hidetoshi NAGAI <nagai / ai.kyutech.ac.jp> wrote:
> From: Joe Van Dyk <joevandyk / gmail.com>
> Subject: Re: Ruby-tk question
> Date: Fri, 6 May 2005 10:41:39 +0900
> Message-ID: <c715e6405050518413e8952ea / mail.gmail.com>
> 
> > On 5/5/05, Hidetoshi NAGAI <nagai / ai.kyutech.ac.jp> wrote:
> > > From: Joe Van Dyk <joevandyk / gmail.com>
> > > Subject: Ruby-tk question
> > > Date: Fri, 6 May 2005 09:24:01 +0900
> > > Message-ID: <c715e64050505172319751570 / mail.gmail.com>
> > > > What's the easiest way to rotate a Tk Canvas Polygon?
> > > Probably, you'll have to calculate coords by yourself.
> > Hm, I have no idea how to do that.  Trig was so long ago.
> 
> That is field of Mathematics. :-)
> I think that is not so difficult.
> --
> Hidetoshi NAGAI (nagai / ai.kyutech.ac.jp)
> 

It's horribly difficult for someone who hasn't done math in years.