| Class | Description | |
|---|---|---|
| FollowDisplayObject | The FollowDisplayObject activity causes the emitter to follow the position and rotation of a DisplayObject. | |
| FollowMouse | The FollowMouse activity causes the emitter to follow the position of the mouse pointer. | |
| MoveEmitter | The MoveEmitter activity moves the emitter at a constant velocity. | |
| RotateEmitter | The RotateEmitter activity rotates the emitter at a constant rate. |