Coding Challenge 180: Falling Sand

It's Genuary 2024! Watch as I attempt to build a falling sand simulation in p5.js using a grid of pixels and simple rules. Code: https://thecodingtrain.com/challenges/180-falling-sand 🚀 Watch this video ad-free on Nebula https://nebula.tv/videos/codingtrain-coding-challenge-180-falling-sand p5.js Web Editor Sketches: 🕹️ Falling Sand: https://editor.p5js.org/codingtrain/sketches/AoH40T6fV 🕹️ Falling Sand with Gravity: https://editor.p5js.org/codingtrain/sketches/Ij5i7a3w4 🎥 Previous: https://youtu.be/Ggxt06qSAe4?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH 🎥 All: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH References: 🔗 Genuary: https://genuary.art/ 🔗 Sandspiel by Max Bittker: https://sandspiel.club/ 🔗 Making a falling sand simulator: https://jason.today/falling-sand 📕 The Nature of Code by Daniel Shiffman: https://natureofcode.com/ Videos: 🎥 Noita 1.0 Launch Trailer by Nolla Games: https://www.youtube.com/watch?v=0cDkmQ0F0Jw 🚂 Wolfram CA: https://youtu.be/Ggxt06qSAe4 🚂 The Game of Life: https://youtu.be/FWSR_7kZuYg Related Coding Challenges: 🚂 179 Wolfram CA: https://youtu.be/Ggxt06qSAe4 🚂 85 The Game of Life: https://youtu.be/FWSR_7kZuYg 🚂 107 Sandpiles: https://youtu.be/diGjw5tghYU 🚂 132 Fluid Simulation: https://youtu.be/alhpH6ECFvQ 🚂 102 2D Water Ripple: https://youtu.be/BZUdGqeOD0w Timestamps: 0:00 Introduction and references 2:10 About cellular automata 2:47 The rules for a sand simulation 3:36 Code! Creating a grid 5:04 Animating a falling grain of sand 7:32 About matrix columns and rows 8:04 Let's account for the bottom edge 9:09 Adding mouse interaction 9:42 More sophisticated sand behavior 10:43 Oops! Some errors to fix 11:30 Adding randomness 12:26 Handling left and right edges 14:00 Checking if mouse is within the canvas 14:40 Making it more efficient 14:56 More space and more sand 16:55 Adding some color! 18:54 Challenge complete! Let's do some refactoring 20:58 How could we add gravity? 21:57 Wrapping up Editing by Mathieu Blanchette Animations by Jason Heglund Music from Epidemic Sound 🚂 Website: https://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://thecodingtrain.com/discord 💖 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 #pixels #simulation #fallingsand #fluidsimulation #sandpilemodel #generativeart #p5js #javascript