private void CreateMap()
{
var size = GameConstants.StartingPlatformSize;
_gemLogic.Init(-size * size, GameConstants.GemGenerationBlock, GameConstants.RandomGems);
_lastTileX = size - 1;
_lastTileY = size - 1;
CreateBlock(_lastTileX, _lastTileY, size, size);
FillField();
}