public Hall(StreamReader reader, int verbose = 0)
{
_verbose = verbose;
var firstLine = reader.ReadLine().Split(' ');
_height = int.Parse(firstLine[0]);
_width = int.Parse(firstLine[1]);
Distance = int.Parse(firstLine[2]);
_hall = new Square[_height, _width];
if (_verbose >= 1)
Console.WriteLine("Distance max = " + Distance);
for (int i = 0; i < _height; ++i)
{
string curLine = reader.ReadLine();
if(_verbose >= 1)
Console.WriteLine(curLine);
for (int j = 0; j < _width; j++)
{
switch(curLine[j])
{
case '#':
_hall[i, j] = Square.Mirror;
break;
case '.':
_hall[i, j] = Square.Empty;
break;
case 'X':
_hall[i, j] = Square.Me;
Me = new Position(i, j);
break;
}
}
}
}
public Fuzzy MoveAlong(Direction direction, double step, out Position newPosition)
{
// simple case #1 : dx == 0
if ( direction.Dx == 0 )
{
newPosition = new Position(x, y + step * Fuzzy.Sign(direction.Dy));
return step;
}
// simple case #2 : dy == 0
if ( direction.Dy == 0)
{
newPosition = new Position(x + step * Fuzzy.Sign(direction.Dx), y);
return step;
}
var newXOnGrid = GetNextPositionOnGrid(x, direction.Dx, step);
var newYOnGrid = GetNextPositionOnGrid(y, direction.Dy, step);
var xMotion = newXOnGrid - x;
var yMotion = newYOnGrid - y;
Debug.Assert(Fuzzy.Abs(xMotion) > 0);
Debug.Assert(Fuzzy.Abs(xMotion) <= 0.5);
Debug.Assert(Fuzzy.Abs(yMotion) > 0);
Debug.Assert(Fuzzy.Abs(yMotion) <= 0.5);
// shorter motion on X axis
if (xMotion / direction.Dx < yMotion / direction.Dy)
{
yMotion = xMotion * direction.Dy / direction.Dx;
Debug.Assert(Fuzzy.Abs(yMotion) > 0);
Debug.Assert(Fuzzy.Abs(yMotion) <= 0.5);
}
// shorter motion on Y axis
else if (xMotion / direction.Dx > yMotion / direction.Dy)
{
xMotion = yMotion * direction.Dx / direction.Dy;
Debug.Assert(Fuzzy.Abs(xMotion) > 0);
Debug.Assert(Fuzzy.Abs(xMotion) <= 0.5);
}
Debug.Assert(yMotion / xMotion == direction.Dy / direction.Dx);
newPosition = new Position(x + xMotion, y + yMotion);
return Fuzzy.Sqrt(xMotion * xMotion + yMotion * yMotion);
}
public bool Equals(Position other)
{
return x == other.x && y == other.y;
}
public TestCase(char[,] grid, int maxDistance)
{
this.grid = grid;
this.maxDistance = maxDistance;
this.startPosition = FindStartPosition(grid);
}
