public void Add(Position4D p4)
{
if (_positions.None())
{
for (int i = 0; i < 4; i++)
{
_min[i] = p4.Coordinates[i];
_max[i] = p4.Coordinates[i];
}
}
else
{
for (int i = 0; i < 4; i++)
{
if (_min[i] > p4.Coordinates[i])
{
_min[i] = p4.Coordinates[i];
}
if (_max[i] < p4.Coordinates[i])
{
_max[i] = p4.Coordinates[i];
}
}
}
_positions.Add(p4);
}
public int Distance(Position4D other)
{
int distance = 0;
for (int i = 0; i < 4; i++)
{
distance += Math.Abs(Coordinates[i] - other.Coordinates[i]);
}
return(distance);
}
public IEnumerable <Position4D> ParseInput(string filename)
{
foreach (var line in File.ReadAllLines(filename))
{
if (string.IsNullOrEmpty(line))
{
continue;
}
var p4 = new Position4D();
var coords = line.Split(",", StringSplitOptions.RemoveEmptyEntries).Select(x => x.Trim()).ToList();
for (int i = 0; i < 4; i++)
{
p4.Coordinates[i] = int.Parse(coords[i]);
}
yield return(p4);
}
}
public bool ShouldConnect(Position4D p4)
{
int offset = 3;
bool allMinInRange = true;
bool allMaxInRange = true;
for (int i = 0; i < 4; i++)
{
if (_min[i] - offset > p4.Coordinates[i])
{
allMinInRange = false;
}
if (_max[i] + offset < p4.Coordinates[i])
{
allMinInRange = false;
}
}
// Outside bounding box
if (!allMaxInRange || !allMinInRange)
{
return(false);
}
foreach (var p in _positions)
{
// Found one position close enough, connect
if (p4.Distance(p) <= offset)
{
return(true);
}
}
// No existing position was close enough
return(false);
}
