[MWForum]SETPOS
Jean Stringer
mwforum@lists.mathcats.com
Tue, 22 Mar 2005 04:38:05 -0800 (PST)
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Wendy, Thank you, I took it home last night and could make it work. Sorry Daniel I didn't understand it at first. I just saw the numbers in the code and didn't understand.
I understand now, how it works. but I would never have found it. II looked at list and let in the Help menu but would never have figured it out. I am not sure where you learn so much, but I sure appreciate you teaching me.
I found another questions yesterday while playing with the help menu. My home computer is not hooked to the internet so I will have to bring in my next question. I just want to say Thank you for the help with this one. I would have spent hours of frustration and never found the answer! :)
Great group of people....Have a good day ALL!
Jean
Wendy Petti <wpetti@mathcats.com> wrote:
If you modify Daniel's hourglass procedure to use the setxy procedure and
variables throughout the procedure, and multiply by -1 as needed to obtain
inverses, you'll be able to write a command like this in the command center
to draw an hourglass to your specifications:
- - - - - - - - - -
hourglass 40 80
- - - - - - - - - -
to hourglass :x :y
cg pd
setxy -1 * :x :y
setxy :x :y
setxy -1 * :x -1 * :y
setxy :x -1 * :y
setxy 0 0
end
If you'd like to write just one procedure instead of calling Daniel's setxy
procedure, you could do it like this:
to hourglass :x :y
cg pd
setpos list -1 * :x :y
setpos list :x :y
setpos list -1 * :x -1 * :y
setpos list :x -1 * :y
setpos [0 0]
end
Wendy
Wendy Petti
OWL's MicroWorlds in Action
http://mia.openworldlearning.org
Math Cats
www.mathcats.com
> -----Original Message-----
> From: mwforum-admin@lists.mathcats.com
> [mailto:mwforum-admin@lists.mathcats.com]On Behalf Of Daniel Ajoy
> Sent: Friday, March 18, 2005 12:44 PM
> To: mwforum@lists.mathcats.com
> Subject: Re: [MWForum]SETPOS
>
>
> On 18 Mar 2005 at 9:17, Jean Stringer wrote:
>
> > I cannot find a way to do this with the five directions. I
> assume they want me to use variables in
> > the setpos but I have not found a way to do so.
>
> to setxy :x :y
> setpos list :x :y
> end
>
> to hourglass
> cg pd
> setxy -45 60
> setxy 45 60
> setxy -45 -60
> setxy 45 -60
> setxy 0 0
> end
>
>
> Daniel
> OpenWorld Learning
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<DIV>Wendy, Thank you, I took it home last night and could make it work. Sorry Daniel I didn't understand it at first. I just saw the numbers in the code and didn't understand.</DIV>
<DIV> </DIV>
<DIV>I understand now, how it works. but I would never have found it. II looked at l<U>ist</U> and l<U>et</U> in the Help menu but would never have figured it out. I am not sure where you learn so much, but I sure appreciate you teaching me.</DIV>
<DIV> </DIV>
<DIV>I found another questions yesterday while playing with the help menu. My home computer is not hooked to the internet so I will have to bring in my next question. I just want to say Thank you for the help with this one. I would have spent hours of frustration and never found the answer! :)</DIV>
<DIV> </DIV>
<DIV>Great group of people....Have a good day ALL!</DIV>
<DIV> </DIV>
<DIV> Jean<BR><BR><B><I>Wendy Petti <wpetti@mathcats.com></I></B> wrote:</DIV>
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">If you modify Daniel's hourglass procedure to use the setxy procedure and<BR>variables throughout the procedure, and multiply by -1 as needed to obtain<BR>inverses, you'll be able to write a command like this in the command center<BR>to draw an hourglass to your specifications:<BR>- - - - - - - - - -<BR>hourglass 40 80<BR>- - - - - - - - - -<BR><BR>to hourglass :x :y<BR>cg pd<BR>setxy -1 * :x :y<BR>setxy :x :y<BR>setxy -1 * :x -1 * :y<BR>setxy :x -1 * :y<BR>setxy 0 0<BR>end<BR><BR>If you'd like to write just one procedure instead of calling Daniel's setxy<BR>procedure, you could do it like this:<BR><BR>to hourglass :x :y<BR>cg pd<BR>setpos list -1 * :x :y<BR>setpos list :x :y<BR>setpos list -1 * :x -1 * :y<BR>setpos list :x -1 * :y<BR>setpos [0 0]<BR>end<BR><BR>Wendy<BR><BR>Wendy Petti<BR>OWL's MicroWorlds in Action<BR>http://mia.openworldlearning.org<BR>Math
Cats<BR>www.mathcats.com<BR><BR><BR>> -----Original Message-----<BR>> From: mwforum-admin@lists.mathcats.com<BR>> [mailto:mwforum-admin@lists.mathcats.com]On Behalf Of Daniel Ajoy<BR>> Sent: Friday, March 18, 2005 12:44 PM<BR>> To: mwforum@lists.mathcats.com<BR>> Subject: Re: [MWForum]SETPOS<BR>><BR>><BR>> On 18 Mar 2005 at 9:17, Jean Stringer wrote:<BR>><BR>> > I cannot find a way to do this with the five directions. I<BR>> assume they want me to use variables in<BR>> > the setpos but I have not found a way to do so.<BR>><BR>> to setxy :x :y<BR>> setpos list :x :y<BR>> end<BR>><BR>> to hourglass<BR>> cg pd<BR>> setxy -45 60<BR>> setxy 45 60<BR>> setxy -45 -60<BR>> setxy 45 -60<BR>> setxy 0 0<BR>> end<BR>><BR>><BR>> Daniel<BR>> OpenWorld Learning<BR><BR>_______________________________________________<BR>MWForum mailing
list<BR>MWForum@lists.mathcats.com<BR>http://lists.mathcats.com/mailman/listinfo/mwforum<BR>Attachments archived at:<BR>http://www.mathcats.com/mwforum/attachments.html<BR>To unsubscribe or for administrative questions contact <BR>mailto:mwforum-admin@lists.mathcats.com<BR></BLOCKQUOTE><p>
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