| Interface | Description | 
|---|---|
| Collidable | 
 Interface for Collidable objects. 
 | 
| MotionAllowedListener | 
| Class | Description | 
|---|---|
| CollisionResult | 
 A  
CollisionResult represents a single collision instance
 between two Collidable. | 
| CollisionResults | 
CollisionResults is a collection returned as a result of a 
 collision detection operation done by Collidable. | 
| Exception | Description | 
|---|---|
| UnsupportedCollisionException | 
 Thrown by  
Collidable when the requested collision query could not
 be completed because one of the collidables does not support colliding with
 the other. |