[squeakland] point towards the mouse?

Bill Kerr billkerr at gmail.com
Wed Nov 11 04:38:39 EST 2009


On Wed, Nov 11, 2009 at 7:32 PM, Scott Wallace <scott.wallace at squeakland.org
> wrote:

> On Nov 10, 2009, at 11:02 PM, Darius Clarke wrote:
>
> > For point 1 you can use the slope formula m = (y1-y2)/(x1-x2) and then
> arcTan m to get degrees.
> >
> > arcTan may have to come from Smalltalk mode.
> >
> > Cheers,
> > Darius
> >
> > On Tue, Nov 10, 2009 at 10:53 PM, Hilaire Fernandes <
> hilaire.fernandes at edu.ge.ch> wrote:
> > For point 2.,  you may have to write the script in Smalltalk mode then
> > use the code
> >
> > ActiveHand x to get abscissa of the mouse pointer
> >
> > Hilaire
> >
> >
> > 2009/11/11 Bill Kerr <billkerr at gmail.com>:
> > > 1) Is it possible to get an arrow to point towards the mouse pointer in
> > > etoys?
>
>
> FWIW I attach a working example... notice that it's all done with tiles --
> no textual scripting.
>


wonderful answers, thanks all
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