| playbackState | The PlaybackState to apply to the Particle System. |
Use this method with the results of an earlier call to ParticleSystem.GetPlaybackState, in order to restore the Particle System to the state stored in the playbackState object.
To fully restore a Particle System to a previous state, use this method along with ParticleSystem.SetParticles and ParticleSystem.SetTrails.
Additional resources: GetPlaybackState, SetParticles, SetTrails.