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...

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References:
📰 Exploring Meta-balls and Isosurfaces in 2D: https://www.gamedev.net/articles/prog...

Videos:
🔴 Livestream Archive:    • Live Stream #50: Loading Animation, Metaba...  

Related Coding Challenges:
🚂 #C4 - Coding in the Cabana Worley Noise:    • Coding Worley Noise  
🚂 #C5 - Coding in the Cabana Marching Squares:    • Coding Marching Squares  

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

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#computervision #blobdetection #loadpixels #pixelanalysis #objecttracking #metaballs #isosurfaces #processing