threejs-impl-physics

Integrate and optimize cannon-es and Rapier physics in Three.js scenes.

2|Updated Apr 12, 2026
One-click install
npx skills add https://github.com/adryanmoldokkr32-pixel/threejs-skill-package --skill threejs-impl-physics-adryanmoldokkr32-pixel
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: threejs-impl-physics
Source: https://github.com/adryanmoldokkr32-pixel/threejs-skill-package/tree/main/skills/source/threejs-impl/threejs-impl-physics
Command: npx skills add https://github.com/adryanmoldokkr32-pixel/threejs-skill-package --skill threejs-impl-physics-adryanmoldokkr32-pixel

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires cannon-es, rapier3d-compat, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers optimize and troubleshoot physics simulations in Three.js applications, ensuring realistic and efficient interactions between objects.

Core Features & Use Cases

  • Physics Simulation: Offers guidance on integrating and using cannon-es and Rapier for physics simulations in Three.js.
  • Performance Optimization: Provides best practices for improving performance in physics-heavy scenes.
  • Use Case: If you're developing a game or application with complex physics interactions, this Skill can help you implement realistic collisions, forces, and constraints efficiently.

Quick Start

Use the threejs-impl-physics skill to set up a basic physics simulation with cannon-es in your Three.js project.

Frequently Asked Questions about threejs-impl-physics

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I optimize physics simulations in Three.js to prevent lag?

Optimizing Three.js physics simulations involves applying performance best practices for rigid body dynamics and collision detection using cannon-es and Rapier. This reduces computational overhead and maintains smooth frame rates in physics-heavy scenes.

What is the best way to integrate Rapier for collision detection in a Three.js scene?

The best way to integrate Rapier for collision detection in a Three.js scene is to sync Rapier rigid body transforms with Three.js meshes. This skill guides you through setting up that physics pipeline efficiently using the rapier3d-compat package.

Should I use cannon-es or Rapier for my Three.js physics engine?

Choosing between cannon-es and Rapier for Three.js physics depends on your scene complexity. This skill helps you integrate and optimize both libraries, focusing on rigid body dynamics, forces, and constraints to achieve the most efficient physics interactions.

Do I need advanced Three.js knowledge to implement rigid body dynamics?

Yes, implementing rigid body dynamics requires existing knowledge of Three.js and basic physics concepts. This skill builds on that foundation to help you troubleshoot and optimize complex physics interactions like realistic collisions and applied forces.

Why does my Three.js physics simulation break when rendering complex collisions?

Complex collisions in Three.js physics simulations often break due to inefficient rigid body constraints or unoptimized collision detection. You can troubleshoot these issues by applying performance optimization best practices using cannon-es and Rapier.