OptionalcolorOptionalfadeAlpha fade over lifetime
OptionalgravityGravity applied to particles (pixels/sec^2)
OptionallifetimeParticle lifetime in ms
OptionalmaxMax particles this emitter can have alive at once
OptionalrateEmission rate (particles per second)
OptionalsizeOptionalsizeSize range
OptionalspeedOptionalspeedInitial speed range
Color (hex)