pointToLatLng method
Converts a map point to the sphere coordinate (at a certain zoom).
Implementation
@override
LatLng pointToLatLng(Point point, double zoom) {
final (x, y) = _getTransformationByZoom(zoom).untransform(
point.x.toDouble(),
point.y.toDouble(),
scale(zoom),
);
return projection.unprojectXY(x, y);
}