- in Dialog.h, make use of the PixmapEditor control







- resizable UI (offsets, centering etc, scaling etc)

- split static / dynamic vertex buffers
- bonus / coins
- better models

- camera lerp

- push notifications
- investigate instancing
- backface culling, frustum culling
- idea about a uniform 't' which is time and static buffers, mult dx by t in shaders
- accelerometer and compass support
- sound / chip tunes