What happens when two circles collide in a p5.js canvas? In this video, I examine the math and implement idealized elastic collisions in a JavaScript physics simulation. This video supplements the Nature of Code book series in Chapter 6 which uses 3rd party physics libraries to handle collisions rather than a direct implementation. Code: 🚀 Watch this video ad-free on Nebula p5.js Web Editor Sketches: 🕹️ Elastic Collisions: 🕹️ Elastic Collisions - Quadtree: 🎥 Previous: 🎥 All: References: 📕 The Nature of Code: 🛒 Pre-order The Nature of Code: 🔗 Elastic Collision: 📃 2-Dimensional Elastic Collisions without Trigonometry: 📃 Elastic Collisions Formula Derivation: Related Coding Challenges: 🚂 🚂 🚂 🚂 Timestamps: 0:00 Introduction 0:20 The Nature of Code book 1:22 Review background material 4:15 Collision Resolution 5:42 Start Coding 8:48 Add collide() function 10:17 Momentum and kinetic energy 14:15 Line of impact 16:44 Add the formulas 21:25 Simplify the code 22:57 Check for overlap 24:31 Check the particle's kinetic enery 25:48 Fix error 27:30 Add more particles 30:11 Optimizations 30:50 Outro Editing by Mathieu Blanchette Animations by Jason Heglund Music from Epidemic Sound 🚂 Website: 👾 Share Your Creation! 🚩 Suggest Topics: 💡 GitHub: 💬 Discord: 💖 Membership: 🛒 Store: 🖋️ Twitter: 📸 Instagram: 🎥 🎥 🔗 p5.js: 🔗 p5.js Web Editor: 🔗 Processing: 📄 Code of Conduct: This description was auto-generated. If you see a problem, please open an issue: # |
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