OptionalheightThe height of the rectangle.
OptionalmodeThe mode of the emitter. EmitterMode
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 rectangle, 0 is a ring with 0 radius.
OptionalwidthThe width of the rectangle.
Interface representing the parameters for a rectangle emitter.