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This is a recreation of the amazing Lanyard component from React Bits. I was so impressed by its implementation that I had to recreate it to understand how it works and learn from it.

Technical Implementation

Libraries Used

  • @react-three/fiber - React renderer for Three.js
  • @react-three/drei - Useful helpers for React Three Fiber
  • @react-three/rapier - Physics engine integration
  • meshline - Custom line geometry for the lanyard rope

Key Concepts

  • 3D Vector Mathematics
  • Physics-based Animation
  • Linear Interpolation (Lerp)
  • Physics Joints and Constraints