This is similar to walts, but doesn't handle angles. It sets the points of
a preexisting line grc. Just hated not to post it after figuring it out,
but stick with walts.
Heres the quicky code anyway..
local sxOffset,syOffset,sSegments,sxradius,syRadius
constant totalRadians=6.283185
on mouseUp
put 360 into sSegments -- segments desired
put 50 into sxRadius x radius
put 30 into syRadius y radius
put item 1 of the loc of this card into sxOffset -- just chooses the
center of the card as the center of the oval
put item 2 of the loc of this card into syOffset
put totalRadians / sSegments into tFactor -- the factor in radians based
on the number of segments desired
repeat with i = 1 to sSegments + 1
put sxOffset + sxradius * cos(i*tFactor) & comma & syoffset +
syRadius * sin(i*tfactor) & cr after tpointslist
end repeat
delete the last char of tPointslist
set the points of grc "testgrc" to tPointslist
end mouseUp
On Thu, Jul 10, 2014 at 11:49 PM, Scott Morrow <sc...@elementarysoftware.com
> wrote:
> Nice!
>
> —
> Scott Morrow
>
> On Jul 10, 2014, at 10:27 PM, Walt Brown <walter.h.br...@gmail.com> wrote:
>
> > Sorry, I wasn't aware that attachments didn't follow thru. See if this
> > works:
> >
> > https://www.dropbox.com/s/xxdfiuvzlblweoe/wbOvalOrbiter.zip
> >
> >
> > On Fri, Jul 11, 2014 at 1:15 AM, Richmond <richmondmathew...@gmail.com>
> > wrote:
> >
> >> On 11/07/14 04:08, Walt Brown wrote:
> >>
> >>> Here's a quickie stack I wrote after reading Richmond's email, which
> >>> creates a set of points in an oval and then sends a planet around. The
> >>> oval
> >>> can be set to width (k), height (h), and angle (theta). Written in
> 5.5.5.
> >>> Embedded in it is a stack script which contains the angled ellipse
> >>> calculation x = h + (a*cos(t) * cos(theta)) - (b*sin(t) * sin(theta)),
> y =
> >>> k + (a*cos(t) * sin(theta)) + (b*sin(t) * cos(theta)). Play.
> >>>
> >>
> >> Jolly nice; especially if we had the link to download the stack :/
> >>
> >> Richmond.
> >>
> >>
> >>
> >> _______________________________________________
> >> use-livecode mailing list
> >> use-livecode@lists.runrev.com
> >> Please visit this url to subscribe, unsubscribe and manage your
> >> subscription preferences:
> >> http://lists.runrev.com/mailman/listinfo/use-livecode
> >>
> > _______________________________________________
> > use-livecode mailing list
> > use-livecode@lists.runrev.com
> > Please visit this url to subscribe, unsubscribe and manage your
> subscription preferences:
> > http://lists.runrev.com/mailman/listinfo/use-livecode
>
>
> _______________________________________________
> use-livecode mailing list
> use-livecode@lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your
> subscription preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode
>
_______________________________________________
use-livecode mailing list
use-livecode@lists.runrev.com
Please visit this url to subscribe, unsubscribe and manage your subscription
preferences:
http://lists.runrev.com/mailman/listinfo/use-livecode
