new Tileset(name, firstgid, width, height, margin, spacing, properties)
A Tile set is a combination of an image containing the tiles and collision data per tile. Tilesets are normally created automatically when Tiled data is loaded.
Parameters
Name Type Argument Default Description name string The name of the tileset in the map data. firstgid integer The first tile index this tileset contains. width integer <optional> 32 Width of each tile (in pixels). height integer