JoltPhysics

A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.

4 articles 11k View on GitHub ↗

4 articles

How to Migrate from Older Jolt Physics Versions Using APIChanges Documentation

Easily migrate Jolt Physics versions by using APIChanges documentation. Update symbols, re-cook assets, and implement double precision for a smooth transition.

migration-guide

Jul 17, 2026

How Jolt Physics Implements the ContactListener for Collision Callbacks

Discover how Jolt Physics uses the ContactListener for collision callbacks. Learn about OnContactValidate, OnContactAdded, OnContactPersisted, and OnContactRemoved with detailed explanations.

internals

Jul 17, 2026

How to Configure Double Precision Mode for Large Worlds in Jolt Physics

Configure double precision mode in Jolt Physics for large worlds. Define JPH_DOUBLE_PRECISION before including headers and rebuild for enhanced accuracy.

how-to-guide

Jul 17, 2026

How to Implement Ragdoll Physics with Soft Keying in Jolt Physics

Implement ragdoll physics with soft keying in Jolt Physics. Keep characters dynamic and responsive to collisions while following animations. Learn to drive bodies toward animation poses using velocities.

how-to-guide

Jul 17, 2026

Have a question about this repo?

These articles cover the highlights, but your codebase questions are specific. Give your agent direct access to the source. Share this with your agent to get started:

Share the following with your agent to get started:

curl -s "https://instagit.com/install.md"

Add to your MCP client configuration:

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}

Ask your agent:

"Use Instagit MCP to understand how jrouwe/JoltPhysics works."

Works with

Claude Codex Cursor VS Code OpenClaw Any MCP Client

Maintain an open-source project? Get it listed too →