The mass, in kilograms, of each particle in the system. Animatable.
- iOS 8.0+
- macOS 10.10+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
A particle’s mass determines its resistance to forces. The effects of the
damping property and any
SCNPhysics objects affecting each particle are proportional to its mass. You can randomize the masses of particles in the system with the
The default value is
You can animate changes to this property’s value. See Animating SceneKit Content.