Coding Challenge #50.1: Animated Circle Packing - Part 1

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The Coding Train

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Published on January 9, 2017 4:29:57 PM ● Video Link: https://www.youtube.com/watch?v=QHEQuoIKgNE

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Tutorial

Duration: 28:32

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In this multi-part coding challenge, I demonstrate how to use a circle packing algorithm. Code: https://thecodingtrain.com/challenges/50-animated-circle-packing

p5.js Web Editor Sketches:
🕹️ Animated Circle Packing - Text: https://editor.p5js.org/codingtrain/sketches/wxGRAd4I-
🕹️ Animated Circle Packing - Image: https://editor.p5js.org/codingtrain/sketches/tRpryH_um

🎥 Previous video: https://youtu.be/nnlAH1zDBDE?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH
🎥 Next video: https://youtu.be/aKYlikFAV4k?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH
🎥 All videos: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH

References:
💻 Various Circle Packing Tutorials: http://julienleonard.com/tutorials.html
🗄 Circle Packing on Wikipedia: https://en.wikipedia.org/wiki/Circle_packing

Videos:
🎥 Part 2: https://youtu.be/ERQcYaaZ6F0
🎥 Livestream Archive: https://youtu.be/pF0cadg2mg0

Related Coding Challenges:
🚂 #47 Pixel Sorting in Processing: https://youtu.be/JUDYkxU6J0o

Timestamps:
0:00 Introduction
0:47 Circle Packing by Marius Watz
1:09 Create a Circle class
3:06 Add show()
4:22 Create an ArrayList
5:34 Null pointer exception
6:26 Add a grow() function
6:52 Add an edges() function
9:25 Add new circles at random x, y
10:07 Only add valid circles
14:03 Check for overlapping circles
16:02 Make sure circle is not checking itself
20:53 Seed circles based on pixel color
22:06 Read the pixels of an image
23:30 Add circles based on brightness of pixel

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

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🎥 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

#loadpixels #circlepacking #processingpixels #processing