Re: MIA, Ask an Expert: fillit

Sorry, I let one of my students write to you. I will try to elaborate. I have
also attached two files game 1 and game 2. The kids are making a game similar
to fillit. That is where you draw a square and then it fills in.
http://ww3.freearcade.com/Fillit.jav/Fillit.html this is the original game. 
Game 1
They are controlling the turtle with the keyboard and have a button that has
fill as the command. They were wanting a bounce procedure that will change
direction when it hits. They are using 

to bounce

if heading = 0 seth 180

if heading = 180 seth 0

if heading = 270 seth 90

if heading = 90 seth 270

end

I know it needs to be some type of if/then procedure but, I am unsure as to
how to advise them. 

Game 2

This is a different Fillit game. When it fills the outside of the square fills
instead of the inside. How could they correct this? 

Thanks so much for your help. Jill and students  

 
Jill Lutz
Computer Technology
Pleasant Ridge Middle School
913.239.5750

________________________________

From: mwforum-admin@xxxxxxxxxxxxxxxxxxxxxxxxxxxx on behalf of Jeff Knope
Sent: Mon 4/24/2006 12:12 PM
To: mwforum@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Subject: [***SPAM*** Score/Req: 05.4/5.0] Re: MIA, Ask an Expert: fillit


Mike,
 
I'm sorry, but I can't make heads or tails of this advice.  Draw pictures of
what? Based on what? What is a "T" chart? Look for patterns in what?
 
--Jeff

	----- Original Message ----- 
	From: Menefee, Mike - OC <mailto:Mike@xxxxxxxxxxxxxxx>  
	To: mwforum@xxxxxxxxxxxxxxxxxxxxxxxxxxxx ; jlutz@xxxxxxxxxxxxxxxxx 
	Sent: Monday, April 24, 2006 8:18 AM
	Subject: RE: [MWForum] MIA, Ask an Expert: fillit

	Hi Jlutz,
	 
	The math to make a realistic looking bounce is really fun.  A good way to figure this out is to draw some pictures.  Write down the "before bounce" and "after bounce" headings in a chart, like a "T" chart.  Then look for patterns.  You'll find it!  It is not easy, but you can do it, and you will feel great about it when you solve the puzzle on your own.
	 
	If you get stuck, send along what you have, and the forum will leap greedily upon the opportunity to help.
	 
	As far as the "fill" thing goes,  get the turtle inside of the shape, set the color you want, and use the "fill" command.
	 
	Good luck!
	 
	Mike
	 
	 
	 

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	Sent: Monday, April 24, 2006 6:59 AM
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	Subject: [MWForum] MIA, Ask an Expert: fillit
	
	
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	from: jlutz@xxxxxxxxxxxxxxxxx
	date: Mon Apr 24 07:21:11 2006
	
	
	I am a middle school student trying to make a game that 
	draws boxes simular to fillit. I need a procedure that 
	bounces when it hits the edge(so it turns around). We also 
	need a procedure that will fill the area that we closed off.




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