Coding Challenge #56: Attraction and Repulsion Forces

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The Coding Train

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Published on February 9, 2017 4:38:07 PM ● Video Link: https://www.youtube.com/watch?v=OAcXnzRNiCY

Duration: 45:13

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In this challenge, I create a particle system and add "attractors" simulating attraction and repulsion forces. Code: https://thecodingtrain.com/challenges/56-attraction-and-repulsion-forces

🕹️ p5.js Web Editor Sketch: https://editor.p5js.org/codingtrain/sketches/6WL2O4vq0

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Videos:
🚂 Vectors Video: https://youtu.be/vqE8DMfOajk
🚂 Gravitational Attraction: https://thecodingtrain.com/tracks/the-nature-of-code-2/noc/2-forces/5-gravitational-attraction
🔴 Live Stream #76: https://youtu.be/OkkjlHTdLGI?t=4692

Timestamps:
00:00 Introduction to the Challenge!
02:31 Explanation of Gravitational Attraction
05:04 Create a particle and an attractor
07:26 Add physics to the particles
11:09 Explanation of force and Newton's Second Law
13:04 Create the attraction force vector
17:51 Fine tuning the attraction force
19:34 Drawing the trails of the particle
20:37 Adding multiple particles and other changes
23:08 Adding multiple attractors
27:13 More visual changes and emerging patterns
32:31 Creating attractors with the mouse
35:11 Add repulsion force
35:55 Create alternating attractors and repellers
37:59 Suggestions for improvement and tuning parameters
38:30 Adding repulsions when particle is close to the attractor
43:42 Wrapping up and more possibilities

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

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🔗 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

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#forces #vectors #attractionrepulsion #physics #p5js