Instance Property

scaleSpeed

The speed at which the scale changes over the lifetime of the cell. Animatable.

Declaration

@property CGFloat scaleSpeed;

Discussion

The speed change is defined as the rate of change per second.

The default value of this property is 0.0.

See Also

Setting Emitter Cell Temporal Attributes

lifetime

The lifetime of the cell, in seconds. Animatable.

lifetimeRange

The mean value by which the lifetime of the cell can vary. Animatable.

birthRate

The number of emitted objects created every second. Animatable.

velocity

The initial velocity of the cell. Animatable.

velocityRange

The amount by which the velocity of the cell can vary. Animatable.

xAcceleration

The x component of an acceleration vector applied to cell.

yAcceleration

The y component of an acceleration vector applied to cell.

zAcceleration

The z component of an acceleration vector applied to cell.