public static long part2()
{
init();
bool[,] matrixfixed = new bool[50, 50];
Stack <point> _path = new Stack <point>();
point _lastpoint = new point()
{
x = 1, y = 1
};
matrixpath[_lastpoint.y, _lastpoint.x] = true;
matrixfixed[_lastpoint.y, _lastpoint.x] = true;
_path.Push(_lastpoint);
int moves = 0;
do
{
double angle = Math.Atan2(50 - _lastpoint.y, 50 - _lastpoint.x);
_lastpoint.setDirection(angle);
point _newpoint;
if (_lastpoint.goNext(out _newpoint) && _path.Count <= 50)
{
_path.Push(_newpoint);
_lastpoint = _newpoint;
matrixpath[_lastpoint.y, _lastpoint.x] = matrixfixed[_lastpoint.y, _lastpoint.x] = true;
}
else
{
matrixpath[_lastpoint.y, _lastpoint.x] = false;
_path.Pop();
if (_path.Count > 0)
{
_lastpoint = _path.Peek();
}
}
moves++;
} while (_path.Count > 0);
draw(_lastpoint.x, _lastpoint.y, matrixfixed);
int count = 0;
for (int y = 0; y < matrix.GetLength(0); y++)
{
for (int x = 0; x < matrix.GetLength(1); x++)
{
if (matrixfixed[y, x])
{
count++;
}
}
}
Console.WriteLine("Ended in {0} moves", moves);
return(count);
}
public static int part1(bool debug)
{
init();
Stack <point> _path = new Stack <point>();
point _lastpoint = new point()
{
x = 1, y = 1
};
matrixpath[_lastpoint.y, _lastpoint.x] = true;
_path.Push(_lastpoint);
int moves = 0;
do
{
draw(_lastpoint.x, _lastpoint.y, matrixpath);
var keypressed = Console.ReadKey();
switch (keypressed.Key)
{
case ConsoleKey.Q:
return(-1);
case ConsoleKey.Enter:
double angle = Math.Atan2(pointY - _lastpoint.y, pointX - _lastpoint.x);
_lastpoint.setDirection(angle);
point _newpoint;
if (_lastpoint.goNext(out _newpoint))
{
_path.Push(_newpoint);
_lastpoint = _newpoint;
matrixpath[_lastpoint.y, _lastpoint.x] = true;
}
else
{
matrixpath[_lastpoint.y, _lastpoint.x] = false;
_path.Pop();
_lastpoint = _path.Peek();
}
moves++;
break;
case ConsoleKey.Backspace:
matrixpath[_lastpoint.y, _lastpoint.x] = false;
_path.Pop();
_lastpoint = _path.Peek();
break;
}
} while ((_lastpoint.x != pointX || _lastpoint.y != pointY) && _path.Count > 0);
Console.WriteLine("Ended in {0} moves", moves);
return(_path.Count);
}