| Projection | Projection interface for Frustum, Ortho and Perspective. |
| Renderable | Renderable interface for graphics object. |
| Resettable | Reset interface for graphics object. |
| Background | Material class. |
| Camera | Camera class. |
| Frustum | Frustum class. |
| Light | Light object class. |
| Ortho | Ortho class. |
| Perspective | Perspective class. |