SimpleParticle
See Also: Class SimpleParticle.
Plug-In particle systems may be derived from SimpleParticle. The main methods are:
UpdateParticles()
Update the state of the particles at the specified time.
BuildEmitter()
Constructs the particle emitter at the time passed.
InvalidateUI()
This is called if the user interface parameters needs to be updated because the user moved to a new time. The UI controls must display values for the current time.