Creates an action that animates a change of a physics field’s falloff.
- iOS 8.0+
- macOS 10.10+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The new falloff for the field.
The duration of the animation, in seconds.
A new action object.
When the action runs, the field node’s
falloff property animates from its current value to its new value. This action is not reversible.