* 1. Calculate, store and update a panning info, which includes, but not limited to:\r
* combined layer information, actual map representation (reflecting real state of the game),\r
* pixel shift for smooth tile scrolling.\r
* 1. Calculate, store and update a panning info, which includes, but not limited to:\r
* combined layer information, actual map representation (reflecting real state of the game),\r
* pixel shift for smooth tile scrolling.\r