A Boolean value that determines whether audio from this source uses 3D positional mixing.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
If this value is
true (the default), SceneKit mixes audio from the source based on its position relative to the scene’s
audio node—that is, the audio source’s volume, reverb, and other parameters automatically change depending on the distance to the listener and other objects in the scene. (To position an audio source in a scene, create an
SCNAudio player from the source and attach that player to an
If you set this property to
false, the source’s audio plays with the same volume (and other mixing parameters) regardless of the listener’s position.