E5G4-+Make+Project+Documentation

QUESTIONS Hannah D., Jithmi W., Simone S.

** May 5, 2009 **

Today we sent in our first proposal:

[|HannahJithmiSimoneProp.doc]

Approved (for now)

Also We came up with a rough design


 * May 7th, 2009 **

 Today we made a list of things we might put on our chair and then we made a few more designs that will be our blueprint.






 * May 8th, 2009 **

 Today we looked over our designs and figured out what everyone will bring in for mondays class. We also caught Simone up on what we did since she was absent for quite a while. We are planning to bring in all the materials and at go over our plan one more time on Monday.
 * May 11th, 2009 **

Today we finally got some of our materials in. We got a chair. We made some slight edits to our design, now that we actually had the chair we would be working with in front of us. The chair wasnt as big as we had hoped, so we had to put everything a little closer together than what the design for our project implied. We also forgot to take into account that what's holding the chair up is a bunch of poles that are spread apart. We edited the design so that we have these poles as an advantage and not a disability. We plan on continuing to bring in materials throughout the rest of the week.  **May 15th, 2009 **



We are having some diffculties trying to get our project started. We have decided that we will be making something new because we need large quantites of wood and it now seems that we will not be able to finish it in time. We plan to try to bring in some wood, and cardboard.. if we fail to bring in wood we will go with our lawn chair plan...which is bringing in card board and makign a base then adding dirt and grass seeds to it. iif we fail to bring in the cardboard then we will go with the old chair plan.


 * May 18, 2009 **

Today we started a new project. we are making a codemaker on scratch. we decided to do something else because we weren't able to complete the chair idea. it was to expensive. We learned to make sure that you always check over every part of a plan before you start. our next step will be to make the opening page of our scratch game. that is our weekly goal. **May 21, 2009**

Today we made progress on our scratch project. __We planned__ to have our intro animation done on Tuesday, but we are still working on it. Hannah and Jithmi worked on new effects for the project while Simone worked on the animation. __Our next step will be__ to have a finished animationand layout. If we get a menu done by this week, we would consider that to be sucessful. We also have done some research, including reading 'The Code Book' by Simon Singh. We hope to move a little bit faster as we are falling behinde schedule. __We think__ now that we are moving and on track, the rest of the project won't be too difficult. Our goal for this project is to inform people through an interactive presentation.



<span style="color: #3ab64f; font-family: 'Arial Black', Gadget, sans-serif;">May 26, 2009 **

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Today we couldnt find our scratch project. Either we didnt save it or we just dont know where we saved it. since we couldnt find the scratch project we had to start from one of our earlier saved ones which wasnt much. But atleast it helped us start it again. We did assign homework today because there is no way we can finish our project in time if we just work in school. Our goal is to do as much as we caan for nex class so we will be caught up and on track. We learned to always save our files and double check if we did or not. we also learned that we have to know where were saving it. While we were maikng our new scratch we realized some things. it was alot easier to do it the second time because we had already done it before. This also saved us time and helped us make our project better. what happened to us today sort of helped us too.

<span style="color: #3ab64f; font-family: 'Arial Black', Gadget, sans-serif;">**May 28, 2009**

Today we continued to make our scratch project. We got as far as letting people type in what they want to be encoded. Jithmi and Simone also started making another part of our cipher. We're making the Vigenère cipher. It was used in the 1500's. We plan on finishing the ceasar cipher by monday, and the Vigenère cipher by the end of next week. We will all work on the final cipher for our scratch project next week. Jithmi and Simone waited so long to start a new cipher for our scratch project because they needed to learn about scratch from Hannah. We have enough of it figured out to start making our own part of the project now.

here is a picture of how the shift works. as you can see, when using the ceasar shift cipher, a becomes d, b becomes e, c becomes f, and so on and so forth.

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 * May 29, 2009**

Today we finished making the “Ceasar Shift Cipher” part of our project. The ceasar shift is a very simple cipher made by the roman king Julius Ceasar around the year 50 B.C. so that letters of military significance could not be read by the enemy. This cipher is very simple. You just take each letter of the code and replace it with a letter that is a certain amount of letters down the alphabet. If you had a shift of 3, the coded alphabet would look like this: <span style="font-size: 10pt; color: #000000; font-family: 'Courier New'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN; msoansilanguage: EN; msofareastfontfamily: 'Times New Roman';">Plain Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ Cipher Alphabet: DEFGHIJKLMNOPQRSTUVWXYZABC here is an example of an encoded sentence that has a shift of 5: <span style="font-size: 10pt; color: #000000; font-family: 'Courier New'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN; msoansilanguage: EN; msofareastfontfamily: 'Times New Roman';">Plaintext: MEETMEATMIDNIGHTATDAWSONSBRIDGE Cipher text: RJJYRJFYRNISNLMYFYIFBWTSXGWNILJ

We use the ceasar shift in our project by letting people type in the code they want to encode, then let the person using the scratch project choose how many letters they want the coded alphabet to be shifted over. Then they click the encipher button, and the code is formed.

Now we are starting to work on the Vigenère cipher. As you may already know, a ceasar cipher consists of each letter of the alphabet shifted over by a certain amount of letters. The Vigenère cipher consists of several ceasar ciphers in sequence with different shift values. This table is used in the Vigenère cipher. Let’s say we wanted to encode the phrase “attackatdawn.” We would need to start out with a codeword. In this scenario, it will be “lemon.” The first letter of the text we are encoding, A, is enciphered using the alphabet in row L, which is the first letter of the key. This is done by looking at the letter in row L and column A of the Vigenère square, namely L. Similarly, for the second letter of the text we are enciphering, the second letter of the code is used; the letter at row E and Column T is X. The rest of the text is enciphered in a similar fashion. We plan on finishing the Vigenère cipher by next week.
 * <span style="font-size: 12pt; color: #000000; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman'; msofareastfontfamily: 'Times New Roman';">Plaintext: || <span style="font-size: 10pt; font-family: 'Courier New'; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-size: 11.0pt;">ATTACKATDAWN <span style="font-size: 12pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';"> ||
 * <span style="font-size: 12pt; color: #000000; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman'; msofareastfontfamily: 'Times New Roman';">Key: || <span style="font-size: 10pt; font-family: 'Courier New'; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-size: 11.0pt;">LEMONLEMONLE <span style="font-size: 12pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';"> ||
 * <span style="font-size: 12pt; color: #000000; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman'; msofareastfontfamily: 'Times New Roman';">Ciphertext: || <span style="font-size: 10pt; font-family: 'Courier New'; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-size: 11.0pt;">LXFOPVEFRNHR <span style="font-size: 12pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman';"> ||

June 1st, 2009

<span style="font-family: Georgia, serif;">Today we worked more on our project. We found out there was a few problems in one of our project. sometimes the words were all mashed up together so we had to solve that issue by setting the x and y coordinates. Another problem we had was that when we would type somethign in, there would be time delay and the words we type would be shown on the screen a few moments after we type it. we fixed this by changing the wait variable to a lower number. We used the method of trial and error for this. We also finished the cesar shift part of our scratch project, all thats left for us to do now is the index and vigenere cipher. unfurtunately simone was not in class todaybut we did manage to work in a timely manner and we stayed on task. We feel that the interactive cesar shift part of our project was the hardest part and the most tiem consumeing becuase we had to weigh out all the variables and we had many scripts in it. Today we also started to work on our index with a little help from Hannahs book about codes. We also ended up finisheing the vigenere part of our project. We also relatively close to finshing our project. all we have left to do is a little bit of cleaning up and making it more colorful. <<This is Hannah and Simone's book that we used as a resource.

<span style="color: #3ab64f; font-family: 'Arial Black', Gadget, sans-serif;">**June 2, 2009**

Today we continued to work on our project. We are definitely going to finish by grading time. All we really have left to do is fix some glitches.

<span style="color: #3ab64f; font-family: 'Arial Black', Gadget, sans-serif;">**June 8, 2009- Our Final Game media type="custom" key="3943839"**