bool WillBeActive(Tools.Coordination cube)
{
bool isActive = IsActive(cube);
int numActiveNeighbours = NumActiveNeighbours(cube);
if (isActive)
{
if (numActiveNeighbours == 2 || numActiveNeighbours == 3)
{
return(true);
}
else
{
return(false);
}
}
else
{
if (numActiveNeighbours == 3)
{
return(true);
}
else
{
return(false);
}
}
}
DirectionsEx(int dim)
{
_actual = new Coordination(dim);
for (int i = 0; i < _actual.Dim(); i++)
{
_actual[i] = -1;
}
}
bool IsInList(Tools.Coordination cube, List <Tools.Coordination> list)
{
foreach (var coord in list)
{
if (coord.Equals(cube))
{
return(true);
}
}
return(false);
}
int NumActiveNeighbours(Tools.Coordination cube)
{
int num = 0;
foreach (var direction in _directions)
{
var coord = cube + direction;
//Console.WriteLine("{0}, {1}, {2}", direction[0], direction[1], direction[2]);
if (IsActive(coord))
{
num++;
}
}
return(num);
}
void ReadInput(int dim)
{
_directions = Tools.DirectionsEx.Generate(dim);
var lines = Tools.Common.ReadLines("input17.txt");
_active = new List <Tools.Coordination>();
for (int y = 0; y < lines.Length; y++)
{
for (int x = 0; x < lines[y].Length; x++)
{
if (lines[y][x] == '#')
{
var coord = new Tools.Coordination(dim);
for (int i = 0; i < dim; i++)
{
coord[i] = 0;
}
coord[0] = x;
coord[1] = y;
_active.Add(coord);
}
}
}
}
bool IsActive(Tools.Coordination cube)
{
return(IsInList(cube, _active));
}
