Coding Challenge #12: The Lorenz Attractor in Processing

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Published on May 6, 2016 3:45:22 PM ● Video Link: https://www.youtube.com/watch?v=f0lkz2gSsIk

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In this coding challenge, I show you how to visualization the Lorenz Attractor in Processing. Code: https://thecodingtrain.com/challenges/12-lorenz-attractor

🕹️ p5.js Web Editor Sketch: https://editor.p5js.org/codingtrain/sketches/pwr_7FUUq

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References:
📑 Lorenz System on Wikipedia: https://en.wikipedia.org/wiki/Lorenz_system
📖 Lorenz Attractor: http://paulbourke.net/fractals/lorenz/
📚 PeasyCam library: http://mrfeinberg.com/peasycam
💻 beginShape(): https://processing.org/reference/beginShape_.html
🧾 What is a differential equation?: https://www.myphysicslab.com/explain/what-is-a-diff-eq-en.html
📕 My NOC class on Kadenze: https://www.kadenze.com/courses/the-nature-of-code/info

Videos:
🔴 Livestream Archive: https://youtu.be/gw_TR1tycWQ?t=2202s

Related Coding Challenges:
🚂 #13 Reaction Diffusion Algorithm: https://youtu.be/BV9ny785UNc
🚂 #160 Spring Forces: https://youtu.be/Rr-5HiXquhw

Timestamps:
0:00 Introducing today's topic
0:55 Differential Equations
2:30 Lorenz systems
3:36 Non-linear, chaotic systems
4:30 Start Coding!
6:07 Every cycle through draw is 1 unit of time
6:30 Add formulas to code
8:19 Change of time per frame
10:10 Modify the inputs
12:48 Plot the system
14:08 Scale the scene
14:42 Add an array list to store the data
16:00 Write an enhanced loop
17:00 Add beginShape() and endShape() to connect the points
17:52 Change to HSB mode and add color
19:07 Add an offset
20:06 Conclusion and design possiblities

Editing by Mathieu Blanchette
Animations by Jason Heglund
Music from Epidemic Sound

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🎥 Coding Challenges: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH
🎥 Intro to Programming: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6Zy51Q-x9tMWIv9cueOFTFA

🔗 p5.js: https://p5js.org
🔗 p5.js Web Editor: https://editor.p5js.org/
🔗 Processing: https://processing.org

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#math #lorenzattractor #processing #java