| Interface | Description | 
|---|---|
| Motion | 
 Represents a running motion. 
 | 
| MotionFactory | 
 A motion factory creates a standard motion. 
 | 
| MotionManager | 
 A motion manager groups the 3 derivations of the same effect: ease in, ease out, ease in out. 
 | 
| Class | Description | 
|---|---|
| AbstractMotion | 
 Common abstract implementation of a motion. 
 |