SCNParticleOrientationMode.free
Particle orientations are not restricted; they may rotate freely in all axes.
Declaration
case freeDiscussion
When using this mode, you can modify the rotation axis of each particle with the rotationAxis key.
Particle orientations are not restricted; they may rotate freely in all axes.
case freeWhen using this mode, you can modify the rotation axis of each particle with the rotationAxis key.