Coding Challenge #53: Random Walker with Vectors and Lévy Flight

Channel:
United States The Coding Train
Subscribers:
1,740,000
Published on ● Video Link: https://www.youtube.com/watch?v=bqF9w9TTfeo


Duration: 16:18
60,832 views
1,277

In this coding challenge, I simulate a "random walk" with vectors in p5.js, varying the distance of each step size. This is known as a "Lévy Flight" (named after french mathematician Paul Lévy.) Code: https://thecodingtrain.com/challenges/53-random-walker-with-vectors-and-levy-flight

🕹️ p5.js Web Editor Sketch: https://editor.p5js.org/codingtrain/sketches/L24X90MBH

🎥 Previous video: https://youtu.be/l__fEY1xanY?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH
🎥 Next video: https://youtu.be/sJ6pMLp_IaI?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH
🎥 All videos: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH

References:
🏛 Lévy Flight on Wikipedia: https://en.wikipedia.org/wiki/L%C3%A9vy_flight
5️⃣ createVector p5.js Reference: https://p5js.org/reference/#/p5/createVector
5️⃣ p5.Vector p5.js Reference: https://p5js.org/reference/#/p5/p5.Vector
📕 My NOC class on Kadenze: https://www.kadenze.com/courses/the-nature-of-code/info
📕 The Nature of Code GitHub (Spring 2017): https://github.com/nature-of-code/NOC-S17-1-Physics-Animation

Videos:
📽 My Videos on Vectors: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZwSmtE13iJBcoI-r4y7iEc
🔴 Live Stream Archive #74: https://youtu.be/mrAeK43YDgw

Related Coding Challenges:
🚂 #52 Random Walker: https://youtu.be/l__fEY1xanY
🚂 #162 Self Avoiding Walk: https://youtu.be/m6-cm6GZ1iw

Timestamps:
0:00 Introduction to the Coding Challenge - vectors and Lévy Flight
2:05 Whiteboard - vectors
4:40 Into the code...create the pos variable (createVector) and use it
6:42 Use the p5.Vector.random2D function to choose a random vector to travel in
8:51 Math with vectors
10:39 Playing with step size and adding in some lines
13:26 Adding in Lévy Flight
15:30 What can you do with this?

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

🚂 Website: http://thecodingtrain.com/
👾 Share Your Creation! https://thecodingtrain.com/guides/passenger-showcase-guide
🚩 Suggest Topics: https://github.com/CodingTrain/Suggestion-Box
💡 GitHub: https://github.com/CodingTrain
💬 Discord: https://discord.gg/hPuGy2g
💖 Membership: http://youtube.com/thecodingtrain/join
🛒 Store: https://standard.tv/codingtrain
🖋️ Twitter: https://twitter.com/thecodingtrain
📸 Instagram: https://www.instagram.com/the.coding.train/

🎥 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

📄 Code of Conduct: https://github.com/CodingTrain/Code-of-Conduct

This description was auto-generated. If you see a problem, please open an issue: https://github.com/CodingTrain/thecodingtrain.com/issues/new

#randomwalker #levyflight #randomwalk #vectors #probability #p5js #javascript #processing #java



Other Videos By The Coding Train


2017-02-119.18: p5.js with OpenProcessing and Processing IDE - p5.js Tutorial
2017-02-101.2: p5.js with Brackets - p5.js Tutorial
2017-02-09Coding Challenge #56: Attraction and Repulsion Forces
2017-02-08Coding Challenge #55: Mathematical Rose Patterns
2017-02-07Live Stream #76: Attractors, Algorithmic Roses and p5.js Coding Setups
2017-02-03Q&A #7.3: Comparing p5.js and Processing - Part 3
2017-02-02Q&A #7.2: Comparing p5.js and Processing - Part 2
2017-02-01Q&A #7.1: Comparing p5.js and Processing - Part 1
2017-02-01Coding Challenge #54.1: Islamic Star Patterns
2017-02-01Coding Train Live 75: Islamic Star Patterns
2017-01-31Coding Challenge #53: Random Walker with Vectors and Lévy Flight
2017-01-30Live Stream #74: Processing, p5.js and more Random Walks
2017-01-27Coding Challenge #52: Random Walker
2017-01-26Live Stream #73: Random Walk
2017-01-18Coding Challenge 51.3: A* Pathfinding Algorithm - Part 3
2017-01-17Coding Challenge 51.2: A* Pathfinding Algorithm - Part 2
2017-01-16Coding Challenge 51.1: A* Pathfinding Algorithm - Part 1
2017-01-13Live Stream #72: A* Pathfinding Algorithm
2017-01-10Coding Challenge #50.2: Animated Circle Packing - Part 2 (Kitten Addendum)
2017-01-09Coding Challenge #50.1: Animated Circle Packing - Part 1
2017-01-06Coding Challenge #49: Photo Mosaic with White House Social Media Images


Tags:
JavaScript (Programming Language)
live
programming
daniel shiffman
creative coding
p5.js
coding challenge
p5.js tutorial
p5js
javascript (programming language)
tutorial
javascript
coding
challenges
nature of code
nature of code p5js
nature of code p5.js
random walk
random walker
random walk p5.js
random walk p5js
random walker p5js
random walk javascript
levy flight
levy flight js
levy flight javascript
random walk vectors
p5js vector
javascript vectors