OptionalarcThe arc of the circle.
OptionalmodeThe mode of the emitter. EmitterMode
OptionalradiusThe radius of the circle.
OptionalspeedThe speed of the emitter start point travels when mode is EmitterMode.Loop or EmitterMode.PingPong. EmitterMode
OptionalspreadThe length of segment of which 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 circle, 0 is a ring with 0 radius.
Interface representing the parameters for a circle emitter.