Instance Property

birthRate

Defines a multiplier that is applied to the cell-defined birth rate. Animatable

Declaration

var birthRate: Float { get set }

Discussion

The birth rate of each cell is multiplied by this number to give the actual number of particles created every second. Default value is 1.0.

See Also

Emitter Cell Attribute Multipliers

var scale: Float

Defines a multiplier applied to the cell-defined particle scale.

var seed: UInt32

Specifies the seed used to initialize the random number generator.

var spin: Float

Defines a multiplier applied to the cell-defined particle spin. Animatable.

var velocity: Float

Defines a multiplier applied to the cell-defined particle velocity. Animatable.

var lifetime: Float

Defines a multiplier applied to the cell-defined lifetime range when particles are created. Animatable.

var preservesDepth: Bool

Defines whether the layer flattens the particles into its plane.