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Oh!
I understand.
About "react"
React is a procedure in the turtle's backpack. That procedure has your
4 "if" instructions.
It could be in the Public Procedures area if you prefer.
AT
Le 08-02-29 à 17:12, Burke, Bridget - CKJH a écrit :
AT,
I teach the students to use buttons to turn the turtle through the
maze. Students find the buttons cumbersome. Most gamers prefer the
keys. Then I teach them to use the keys. I am not ready to give up
on the keys yet.
I do not understand the
if key? [react]
Does this work for all keys or for specific keys?
I tend not to use the backpacks for beginning programmers because I
find it too time consuming to open all the backpacks when helping
them debug.
Bridget Burke
-----Original Message-----
From: mwforum-admin@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
[mailto:mwforum-admin@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
] On Behalf Of LCSI
Sent: Friday, February 29, 2008 12:41 PM
To: mwforum@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [MWForum] Keys on second page
Hi,
Here are a few comments.
First big suggestion: leave behind the "readchar" approach. This was
mandatory in "pre mouse" era, and was extremely popular with
LogoWriter and older versions of MicroWorlds. May I suggest that you
use the mouse and "clickable turtles wearing "arrow shapes"" to
drive the runner through the maze? You would solve several issues
that way.
To name just two: the issue you are having with stage 2, and the
fact that readchar does not work if you don' t click on the page
first.
Besides that, the way the programming is done, the procdure with the
readchars is linked to the turtle on page 1. When you go on page2,
and hit the arrow keys, you are still controlling the turtle that's
on page 1.
Solution (besides using clickable, as suggested above):
Put the procedure "drive" in the turtle's backpack
to drive
if key? [react]
fd 1
wait 1
end
Put your "color programming" in the backpack's Rules tab, in the
OnColor field.
In the programming that brings you to the second page, be sure to
run the command "t1, clickoff" to turn this one off and perhaps "t2,
clickon" to click the other one on.
Take advantage of the new features of MW EX.
AT
Le 08-02-29 à 15:10, Burke, Bridget - CKJH a écrit :
Please take a look at this program. The keys work great on page1 but
do not work on page2. You can just grab the turtle put it on blue if
you do not want to play the game. We can not figure out how to get
the
keys to work when you change pages.
Any suggestions?
<Maze.mwx>
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