# SceneScript Class IParticleSystem
This class provides access to particle systems and lets you modify their playback state.
# Properties
# instance: IParticleSystemInstance
Access to instance modifiers, see IParticleSystemInstance for more information.
# Functions
# play(): void
Resume emission or restart particles if emission has finished.
# pause(): void
Pause emission of new particles.
# stop(): void
Stop emission and clear all existing particles immediately.
# isPlaying(): Boolean
Check if any particles are still being emitted or simulated.
# emitParticles(count: Number?): void
Emit the provided number of particles instantly, disregarding whether the system is stopped or paused.