public Map GenerateRandomMap()
{
while (true)
{
var mapBuilder = CreateMapBuilder();
var directions = new List <Direction>();
var seenPoints = new HashSet <Point>();
var repeatedFailureCount = 0;
var currentDirection = Direction.Top;
while (repeatedFailureCount < 100)
{
var previousDirection = currentDirection;
var newDirection = directionHelper.GetRandomDirectionOtherThan(
previousDirection,
DirectionHelper.GetOppositeDirection(
previousDirection));
mapBuilder.MoveInDirection(newDirection);
repeatedFailureCount = 0;
var currentPoint = mapBuilder.CurrentPoint;
currentDirection = newDirection;
directions.Add(newDirection);
seenPoints.Add(currentPoint);
if (currentPoint.X == 0 && currentPoint.Y == 0)
{
if (directions.Count == 4)
{
break;
}
return(mapBuilder.Build());
}
}
}
throw new NotImplementedException();
}
