There are two objects, tiles and and controller. Tiles must hold the costumes you want to have displayed, all other stuff (initializing the map, navigating by cursor keys) is done in the controller object. V0.7: Press 'e' for edit mode V0.6: Speed improvement V0.5: Tiles now fit better together, renamed global variables V0.4:Improved scolling performance V0.3: white stripes don't appear anymore V0.2: - added 1 px overlap between tiles to avoid gaps in fullscreen mode - added some more tiles for the demo V0.1: - first version, two objects: Tiles, Controller