OptionalarcThe arc of the donut.
OptionaldonutThe radius of the hole in the center of the donut.
OptionalmodeThe mode of the emitter. EmitterMode
OptionalradiusThe radius of the donut.
OptionalspeedThe speed of the emitter start point when mode is EmitterMode.Loop or EmitterMode.PingPong. EmitterMode
OptionalspreadThe length of the segment at which the emitter point converges at the start and end, when mode is EmitterMode.Loop or EmitterMode.PingPong. EmitterMode
OptionalthicknessThe thickness of the ring. 1 is a full donut, 0 is a ring with 0 radius.
Interface representing the parameters for a donut emitter.