Coding Challenge #28: Metaballs

Let's code some Metaballs (aka Isosurfaces) in Processing and how to control them using the Blob Detection methodology from my computer vision tutorial! Code: https://thecodingtrain.com/challenges/28-metaballs ?️ p5.js Web Editor Sketch: https://editor.p5js.org/codingtrain/sketches/ISPozOLXW ? Previous video: https://youtu.be/CKeyIbT3vXI?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH ? Next video: https://youtu.be/bGz7mv2vD6g?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH ? All videos: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH References: ? Exploring Meta-balls and Isosurfaces in 2D: https://www.gamedev.net/articles/programming/graphics/exploring-metaballs-and-isosurfaces-in-2d-r2556 Videos: ? Livestream Archive: https://youtu.be/3xNv10FglGc Related Coding Challenges: ? #C4 - Coding in the Cabana Worley Noise: https://youtu.be/4066MndcyCk ? #C5 - Coding in the Cabana Marching Squares: https://youtu.be/0ZONMNUKTfU Timestamps: 00:00 Introduction 00:46 What is an Isosurface? 01:33 Code! Working with Pixels 02:35 Make a simple Isosurface 02:58 How to make Metaballs? 04:36 Code! Create a Blob class 07:43 Make the Blob move around 09:03 Create an Array of Blobs 10:37 Color pixels using all the Blobs 12:19 Add more Blobs 13:07 Make the Blobs Rainbow colored 14:14 Example of Blob Tracking 15:12 Combine Blob Tracking with Metaballs 19:32 Making some adjustments 21:07 Other ways to Move these Metaballs 21:51 Fixing a Bug 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 #computervision #blobdetection #loadpixels #pixelanalysis #objecttracking #metaballs #isosurfaces #processing