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Lightning

One way to simulate lightning is with a random walk. In this assignment you will create a program that uses a random walk to seemingly shoot lightning from one side of the screen to the other every time the mouse is pressed. You may find the PowerPoint sides 142 to 170 of the apjava1.pptx presentation and the Math.random worksheet helpful. Here are some steps to get you started:

  1. Start by forking this repository.
  2. Open the Lightning.pde file. You'll need to add some code At the top of the program, declare 4 int variables startX, startY, endX and endY. Initialize startX to 0, startY to 150, endX to 0 and endY to 150
  3. void setup() needs to set the strokeWeight() and background() of your applet
  4. void draw() needs to do two things:
    -set the stroke()color of the lightning bolt to some random value using Math.random()
    -a while loop that repeats the following until the endX is off the screen:
    1. set endX to startX plus a random integer from 0 to 9
    2. set endY to startY plus a random integer from -9 to 9
    3. draw a line() with endpoints startX,startY,endX,endY
    4. set startX equal to endX
    5. set startY equal to endY
  5. void mousePressed() needs to set startX,startY,endX,endY back to their original values.
  6. You will need to modify index.html to customize your website with it's own title, headline and footer. When you are happy with your program, push your finished project up to GitHub
  7. The final step is to submit the URL for your website to google classroom. Don't hesitate to ask for help if your aren't sure how something is suppose to work.

Program requirements

Your program needs to create a random walk using Math.random() for all random numbers in the assignment. Other than that, your lightning program doesn't have to work or look like any other. Have fun and be creative!

Samples of Student Work

Michelle
Janet
Elton
Clovis
Wilson
Edmund
Gina
Gordon
Sophie
Brandon
Amanda
Kevin
Robert
Jenny
Eric
Darren
Sam
Maxwell
Desmond
Michelle
Vivian
Brandon
Jenna
Otto
Lydia
Victor
Ben
Elias
Steven
Andrea
Nicolas
Kenneth
Schuyler
Nghi
Jonathan
Erica
Aaron
Kendra
Heath
Brandon
Oliva
Emily
Joanna
Kirby
Michael
Jun
Makoi
Emma
Andrew
Nicolas
Kyle
Dean
Nathan
Hannah
Yolanda
Colin
Samantha
Jenny
Preston
Thanawat
Ryan
Kenny
Bryan
Andrew
Felix
Steven
Yev
Andrew
Mike
Jalen
Jessica
Kelly
Raymond
Wilson
Bryce
Garvin
Mi-Ka
Tatiana
Karen
Mikayla
Eric
Katie
Joshua