---
title: active
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/ikrig/joint/active
---

# active

A boolean value that sets whether the solver rotates the joint.

## Declaration

```swift
var active: Bool
```

## Discussion

Discussion Leaf hierarchies that do not need to be directly constrained can be deactivated to reduce the compute cost of the solver.