The average initial speed of a new particle, in points per second.
SDKs
- iOS 7.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 3.0+
Framework
- Sprite
Kit
Declaration
var particleSpeed: CGFloat { get set }
Discussion
The default value is 0.
Instance Propertyparticle
particle
See Also
Controlling Particle Velocity and Acceleration
var particleThe range of allowed random values for a particle’s initial speed.
var emissionThe average initial direction of a particle, expressed as an angle in radians.
var emissionThe range of allowed random values for a particle’s initial direction, expressed as an angle in radians.
var xThe acceleration to apply to a particle’s horizontal velocity.
var yThe acceleration to apply to a particle’s vertical velocity.