A Boolean value that determines whether the field’s effect is enabled.
- iOS 8.0+
- macOS 10.10+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
If this value is
NO, the field does not apply forces to physics bodies in its area of effect. The default value is
Use this property, for example, to switch fields on and off as a gameplay mechanic.