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

65.9K views
Jan 31, 2017
16:17

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

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