/// <summary>
/// Converts a <see cref="MapSpan"/> to a <see cref="LatLngBounds"/>
/// </summary>
/// <param name="self">Self instance</param>
/// <returns>The <see cref="LatLngBounds"/></returns>
public static LatLngBounds ToBounds(this MapSpan self)
{
var southWest = GmsSphericalUtil.ComputeOffset(self.Center, self.Radius.Meters * Math.Sqrt(2), 225).ToLatLng();
var northEast = GmsSphericalUtil.ComputeOffset(self.Center, self.Radius.Meters * Math.Sqrt(2), 45).ToLatLng();
return(new LatLngBounds(southWest, northEast));
}
/// <summary>
/// Creates a <see cref="LatLngBounds"/> from a collection of <see cref="MapSpan"/>
/// </summary>
/// <param name="spans">The spans to get calculate the bounds from</param>
/// <returns>The bounds</returns>
private LatLngBounds BoundsFromMapSpans(params MapSpan[] spans)
{
LatLngBounds.Builder builder = new LatLngBounds.Builder();
foreach (var region in spans)
{
builder
.Include(GmsSphericalUtil.ComputeOffset(region.Center, region.Radius.Meters, 0).ToLatLng())
.Include(GmsSphericalUtil.ComputeOffset(region.Center, region.Radius.Meters, 90).ToLatLng())
.Include(GmsSphericalUtil.ComputeOffset(region.Center, region.Radius.Meters, 180).ToLatLng())
.Include(GmsSphericalUtil.ComputeOffset(region.Center, region.Radius.Meters, 270).ToLatLng());
}
return(builder.Build());
}
