OptionalcolorArray of colors to interpolate through over lifetime.
OptionalcolorNormalized age stops (0-1) for color gradient interpolation.
OptionalfadeTime in seconds to fade from 0 to full opacity.
OptionalfadeTime in seconds to fade from full to 0 opacity before death.
OptionalshrinkWhether particles shrink over their lifetime.
OptionalshrinkNormalized age (0-1) at which shrinking begins.
OptionalspinWhether particles rotate over time.
OptionalspinSpeed of rotation in radians per second.
Behavioral modifiers for particle lifecycle.