Unity - スクリプティング API: ParticleSystem.Simulate

public function Simulate(t: float, withChildren: bool = true, restart: bool = true): void;

Parameters

t	Time to fastforward the particle system.
withChildren	Fastforward all child particle systems as well.
restart	Restart and start from the beginning.

Fastforwards the particle system by simulating particles over given period of time, then pauses it.