OptionalcapacityParticle pool size (shared by every vehicle). Changing it (or maxVents) rebuilds the GPU buffers.
OptionalenabledEmit at all.
The fleet (from <Fleet ref={...}>).
OptionalhumidityRelative humidity, 0…1: humid air makes it linger.
OptionalintensityOverall emission multiplier.
OptionalkindsPer vent kind.
OptionallifeParticle life range, seconds.
OptionalmaxNo smoke from vehicles farther than this from the camera, metres; it fades out over the last 40 %.
OptionalmaxMost vents emitting at once (the nearest).
OptionalrefReceives the underlying VehicleExhaust.
OptionaltemperatureAir temperature, °C: cold air makes tailpipe condensation visible.
OptionalwindWind, m/s (fleet-local).
Props of
<Exhaust>: every ExhaustInput setting plus the fleet it smokes for.