| Continuous Flow | C | If true, particles will be emitted every Rth timestep.
If false, N particles will be emitted once. | Boolean |
| Creation Rate | R | Rate at which new Quelea are created. Every Rth timestep. | Integer |
| Number of Quelea | N | The number of Quelea that are allowed to be alive in the system at once. | Integer |
| Minimum Initial Velocity | mV | The minimum initial velocity from which a random value will be taken. | Vector |
| Maximum Initial Velocity | MV | The maximum initial velocity from which a random value will be taken. | Vector |
| Point | P | Base point for Emitter. | Point |