Re: Send turtle to different positions???

["Jeff Knope" <jknope@xxxxxxxx>]

Hi Graham,

I think you are right, better to put the list of points in a procedure, 
maybe in Startup.
Something like:...  make "pts [[x1 y1][x2 y2]...[xn yn]] ... This way the 
values are there from the get-go.

Then they may be accessed with:... setpos item :cnt :pts  ... where "cnt is 
a counter that is incremented with each call to the procedure:... make "cnt 
:cnt + 1 ....  Or something similar for a random choice.  Notice that:... 
make "cnt 1 ... must be done in a prior procedure - again, maybe in Startup.

Then, when :cnt is equal to the number of points in the list, there is a:... 
make "cnt 1 ... again, so the process starts over.

--Jeff


----- Original Message ----- 
From: <GrahamWilliams@xxxxxxxxxxxxxxxxxxxxxx>
To: <mwforum@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Sent: Wednesday, November 23, 2005 12:46 PM
Subject: Send turtle to different positions???


Could someone please help me with the following challenge?

I have a student [working in Mworld Pro on Win XP ] who is trying to
set-up a project wherein at the click of a button the turtle goes to the
first  x-y  position given in a list of coordinates which are to be
stored in a textbox which will be hidden on the project page [ altho he
could just include them in the body of a procedure ]. Then , when the
button is clicked again the turtle will go to the second of the
positions listed in the text box  . At another click of the button the
turtle would go to the third listed position and so on....
I assume he has to get Microworlds to read, in sequence, the coordinates
listed in the hidden text-box and send this information to the turtle
but I'm not sure how to go about it !    Also, the student thought he
might go a step further and have the turtle go to positions selected at
random from the same list of co-ordinates listed in the hidden text-box.

<<TURTLE_TO_DIFFERENT_POSITIONS.mw2>>    I'd very much appreciate it if
anyone could help me with this.  Also, does anyone know the title[s] of
any publication[s] currently in print and readily available which
teach/explain the conventions/syntax of programming in MWLogo - from
basic to more complex?   I'd love to have such a publication at my
finger-tips to be able to give immediate assistance to my students .

Many thanks .  Graham Williams