UnityEngine.ParticlesLegacyModule Class used to allow GameObject.AddComponent / GameObject.GetComponent to be used. Class used to allow GameObject.AddComponent / GameObject.GetComponent to be used. (Legacy Particles) Particle animators move your particles over time, you use them to apply wind, drag & color cycling to your particle emitters. (Legacy Particles) Script interface for particle emitters. (Legacy Particles) Renders particles on to the screen. The ParticlesLegacy module implements the legacy particle system in Unity.