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.

1. Start by forking this repo.
2. Watch this Shiffman video about the random() function.
3. 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
4. void setup() needs to set the strokeWeight() and background() of your sketch
5. void draw() needs to do two things:
   -set the stroke()color of the lightning bolt to some random value using 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
6. void mousePressed() needs to set startX,startY,endX,endY back to their original values.
7. You will need to modify index.html to customize your website with it's own title, headline and footer. When you are finished, ask Mr. Smith to visit your desk.

Samples of Other Student Work

Michelle
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