static public latlong_area_class calc_latlong_area_by_tile(latlong_class latlong, tile_class tile, double zoom, int resolution, Vector2 bresolution, Vector2 offset)
{
float num = Mathf.Pow(2, (float)(19 - zoom));
zoom = 19;
resolution = (int)(resolution * num);
bresolution *= num;
latlong_area_class latlong_area_class = new latlong_area_class();
map_pixel_class map_pixel_class = latlong_to_pixel2(latlong, zoom);
Vector2 vector = new Vector2(0, 0);
map_pixel_class.x += tile.x * resolution + offset.x;
map_pixel_class.y += tile.y * resolution + offset.y;
if (tile.x > 0)
{
map_pixel_class.x += num;
vector.x = num;
}
if (tile.y > 0)
{
map_pixel_class.y += num;
vector.y = num;
}
latlong_class latlong_class = pixel_to_latlong2(map_pixel_class, zoom);
latlong_area_class.latlong1 = latlong_class;
map_pixel_class.x += bresolution.x - vector.x;
map_pixel_class.y += bresolution.y - vector.y;
latlong_class = pixel_to_latlong2(map_pixel_class, zoom);
latlong_area_class.latlong2 = latlong_class;
return(latlong_area_class);
}
static public latlong_area_class calc_latlong_area_by_tile2(latlong_class latlong, tile_class tile, double zoom, int resolution, Vector2 bresolution)
{
latlong_area_class latlong_area_class = new latlong_area_class();
map_pixel_class map_pixel_class = latlong_to_pixel2(latlong, zoom);
map_pixel_class.x += tile.x * resolution;
map_pixel_class.y += tile.y * resolution;
latlong_class latlong_class = pixel_to_latlong2(map_pixel_class, zoom);
latlong_area_class.latlong1 = latlong_class;
map_pixel_class.x += bresolution.x;
map_pixel_class.y += bresolution.y;
latlong_class = pixel_to_latlong2(map_pixel_class, zoom);
latlong_area_class.latlong2 = latlong_class;
return(latlong_area_class);
}