The direction of the axis that the wheel pivots around to steer the vehicle.
- iOS 8.0+
- macOS 10.10+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
This vector is expressed in the coordinate space of the node containing the vehicle’s chassis. The default steering axis is
When you steer a wheel using the vehicle’s
set method, the wheel pivots relative to this axis. For example, you can implement a vehicle whose rear wheels steer opposite its front wheels by reversing this vector’s direction for the rear wheels and then applying the same steering angle to all wheels.