Parameters
| index | The index of the sub-emitter being modified. | |
| properties | The new properties to assign to this sub-emitter. |
Description 描述
Set the properties of the sub-emitter at the given index.
| index | The index of the sub-emitter being modified. | |
| properties | The new properties to assign to this sub-emitter. |
Set the properties of the sub-emitter at the given index.