public static PathDirection ConnectionDirection(this PathDirection input, PathDirection other)
{
var dir = PathDirection.None;
input.GetFlags().ForEach(direction =>
{
switch (direction)
{
case PathDirection.None:
dir = PathDirection.None;
break;
case PathDirection.Bottom:
if (other.HasFlag(PathDirection.Top))
{
dir = PathDirection.Bottom;
}
break;
case PathDirection.Left:
if (other.HasFlag(PathDirection.Right))
{
dir = PathDirection.Left;
}
break;
case PathDirection.Right:
if (other.HasFlag(PathDirection.Left))
{
dir = PathDirection.Right;
}
break;
case PathDirection.Top:
if (other.HasFlag(PathDirection.Bottom))
{
dir = PathDirection.Top;
}
break;
default:
dir = PathDirection.None;
break;
}
});
return(dir);
}
public static IEnumerable <PathDirection> GetFlags(this PathDirection input)
{
return(Enum.GetValues(input.GetType()).Cast <PathDirection>().Where(value => input.HasFlag(value)));
}