Extra Credit: Chess board

A grad student here at UH has developed an experimental IDE for researching plagiarism reduction in intro java courses and has asked for people willing to test it to see if the method works reliably. For this assignment, you specifically have to use this IDE.

Important Note

The purpose of this research is to see if this method CAN detect plagerism. Because of this all normal plagerism rules are suspended for this assignment. Feel free to work in teams of any size, share source code, copy code directly from the internet, or any other normaly forbidden (but still legal) method for completing this assignment. This assignment is graded exclusivly on completion, and nothing you do for this assignment will effect any other assignment in this class. The data collected in this expiriment will be anonymized, and no specific information about detected plagerism methods will be shared with the TA's or the professor until after the grading window closes.

Installation

Instalation is considerably easier than other IDEs such as eclipse. Here is a video to get you started, or follow these steps

Windows

Installation on windows is easy, first download the zipped IDE Processing-windows.zip and extract it. Then launch Processing.exe. That should be all that is needed, the IDE should launch directly with no other install process

Mac

On Mac it is slightly harder, but not much. Download the zipped app Processing-mac.zip MacOs should automatically extract this for you. Find the app in your downloads folder and right click it. In this menu select open. You will see a warning asking if you trust the software, click yes and it should launch immediately with no further install.

Linux

If you are on Linux and do not have access to either of those, Email jamcd@hawaii.edu for a Linux version

If you have any other versions of processing on your computer, make sure they are closed. The IDE that pops up should have 0271 in the top corner and a small green > down in the bottom left corner. If either of these are missing you are using the wrong version.

Getting started

Processing is basically java, but the IDE handles the main class and function on its own. Instead you write a setup and draw function


void setup(){
	//setup code here   
}

void draw(){
 	//draw code here   
}

The setup function gets called exactly once at the start of the program, but the draw code gets called 60 times every second.

I highly recommend you watch the setup video for a better guide, and the processing reference will likely also be quite useful.

A few useful functions though

size(int width,int height) call this function once in setup to set the size of the window
background(int greyValue) or background(int red, int green, int blue) call this function in draw to erase the previous frame. If you don't call it, frames are persistent. Generally this will be the first line of draw.
fill(int greyValue), stroke(int greyValue), fill(int red, int green, int blue) stroke(int red, int green, int blue) These set the fill or outline (stroke) of all shapes drawn after it to a specific color. Each also supports a 4th alpha number for transparent colors
line(int x1, int y1, int x2,int y2) draws a line from (x1,y1) to (x2,y2)
rect(int x, int y, int width, int height) draws rectangle with top left corner at (x,y) that is width height. rectMode can change this to put xy in the center, or to change (width, height) to the bottom corner
ellipse(int x,int y, int radius1, int radius2) draws an ellipse centered at (x,y) with radiuses. if radius1=radius2 you get a circle
triangle(int x1, int y1, int x2, int y2, int x3, int y3) draws a triangle from with corners (x1,y1) (x2,y2), (x3,y3)
int width and int height; these are 2 built in constants you can use. They are set to the current width and height of the window
int mouseX, int mouseY not needed by this assignment, but this is the position of the mouse
println(String) shorthand for System.out.println(String)

note: (0,0) is the top left corner, and (width,height) is the bottom right corner

The Chess Board

For this assignment you must use processing to draw, color, and number an NxN "chessboard" with alternating black and white squares (you may use any 2 colors you like so long as they are distinctly differnt). You may use any method you choose to get N, it could be a global variable, or it could be determined from the window size, any method that is easily adjustable works fine. Your program should work for any number. For the numbering, any method is fine, so long as each square has a unique number from 0 to N²-1 (or 1 to N² if you would prefer) The number must contrast with the background, and numbers on black squares should be colored differnly from numbers on white squares. Here are a few examples:

Submitting

for this part, include the .PDE file you have written as regular submission to Laulima. Also include a 1-3 sentence summary of what you did to complete the assignment. Again, nothing in either part of this submission will be used in grading the normal assignments of this class.

Bug Report

If you encounter major IDE bug (i.e., couldn't save, etc.) write up a short bug report. Include what happened and what you expected to happen. If you can include what you did to cause the problem, or a step by step guide to reproducing the error. If you have them, also include instructions for bypassing the problem. Please submit this as a .txt or .pdf file

Note: There is unlikely to be a bug in the running of your program. If your code doesn't do what you expect or crashes, it is unlikely to be an IDE bug and more likely to be a bug in you code.