hytopia/docs/server.rigidbody.principalangularinertialocalframe.md

The HYTOPIA SDK makes it easy for developers to create massively multiplayer games using JavaScript or TypeScript.

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[Home](./index.md) &gt; [server](./server.md) &gt; [RigidBody](./server.rigidbody.md) &gt; [principalAngularInertiaLocalFrame](./server.rigidbody.principalangularinertialocalframe.md)

## RigidBody.principalAngularInertiaLocalFrame property

The principal angular inertia local frame of the rigid body.

\*\*Category:\*\* Physics

**Signature:**

```typescript
get principalAngularInertiaLocalFrame(): QuaternionLike | undefined;
```