---
title: inertiaTensors
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/forceeffectparameters/inertiatensors
---

# inertiaTensors

The inertia tensor based on the current rigid body’s orientation, or nil if inertia tensor information was not requested.

## Declaration

```swift
let inertiaTensors: UnsafeForceEffectBuffer<simd_float3x3>?
```