p5.js Coding Tutorial | Flocking Simulation with Quadtree 🐤🐤🐤
🌴 Watch this first if you have no idea what a quadtree is: • p5.js Coding Tutorial | Quadtree 🌴 (how no...
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CODE UPDATE:
🖋️ Inside sketch.js — draw() function:
Created two for loops, instead of one, to separate inserting and querying points in the quadtree. With just one for loop, all the boids did not have the chance to interact with a fully updated quadtree.
🖋️ Inside boid.js — Boid's class & update() method:
Switched the order of this.velocity.add(this.acceleration) and this.position.add(this.velocity). Velocity should be updated first, then apply to the position vector.
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Links:
🔗 p5.js editor: https://editor.p5js.org/
🔗 Quadtree (Part 2 of 2) Code: https://editor.p5js.org/pattvira/sket...
🔗 Introduction to Creative Coding Playlist: • START HERE: Creative Coding for Beginners
References:
🔗 Boids by Craig Reynolds: https://red3d.com/cwr/boids/
🔗 Nature of Code - Chapter 5: Autonomous Agents: https://natureofcode.com/autonomous-a...
Credits:
🔗 Thumbnail: https://raw.githack.com/mrdoob/three....
Timestamps:
0:00 Intro
0:23 Quadtree quick recap
0:51 What is a flocking simulation?
02:20 Agenda and approach
05:05 Create a Boid class
16:16 Write an Alignment method
24:39 Write a Cohesion method
32:37 Write a Separation method
40:30 Change from p5.js. to p5.min.js to improve performance
41:59 Create a QuadTree class
45:55 This is where the magic happens ✨
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