[Tutor] subject changed to Tkinter arrow event

Teresa Stanton tms43 at clearwire.net
Sat May 19 00:53:40 CEST 2007

Thanks.  Eventually, one will be able to take a picture of oneself and that
will be the gif that chases around the maze.  I'm trying to avoid any 'copy
write'  infringement. I have a little alien that I am trying to incorporate
into the maze that will try to find the gif.  But as it stands, it's not
very interactive which is why I'm hoping someone has the ability to guide me
in the direction I need to finish the interactive part with the keyboard


I am sorry for not putting a subject line the first time.  I suppose I was a
little hasty when sending the first post.




From: tutor-bounces at python.org [mailto:tutor-bounces at python.org] On Behalf
Of Tom Tucker
Sent: Friday, May 18, 2007 3:27 PM
To: tutor at python.org
Subject: Re: [Tutor] (no subject)


Very cool! Where is Inky, Blinky, Pinky, and Clyde? ;-) Maybe dog catchers
would be better foes for Dusty. 

On 5/18/07, Teresa Stanton <tms43 at clearwire.net> wrote:

Hi all: 

Remember when I was having problems moving my .gif around my Tkinter maze?
Well, I was going about it all wrong (as some pointed out).  What REALLY
works is a graph.  I used a dictionary, the keys are main coordinates that 
are a path that the .gif follows using a greedy algorithm that finds all the
paths to a determined location.  The definition of the keys are all the
possible directions the .gif can go.  Not all paths are covered on purpose. 
In any case, here is the updated code, for those who asked me to post it.
I'm hoping to have it completed next week, without the gif of my dog (lol)
and a bad guy or two to follow the gif that will be used in the maze. 

The next thing I have to do is bind an event to the arrow keys that will
update the current x and y position.. I haven't quite worked that out yet.
Right now the gif moves through the maze based on the path.  Now the event 
(an keyboard arrow) should tell it to go to that direction at the next turn.
The function that defines the move is called move_gif().  I could use some
ideas because I keep getting stuck on the details. How does the event effect

the current course through the maze? Does it somehow update the current call
to find_all_paths?
Or some sort of Helper function that interrupts the current path at a vertex
giving it a new path?  That one seems most likely, but I'm still stuck on 
how to stop at the vertex and move to the new location.  Any help would be



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