public static Direction GetNextDirection(this int[,] matrix, Direction direction, int row, int col)
{
for (int i = 0; i < NUMBERS_DIRECTIONS; i++)
{
Direction currentDirection = (Direction)(((int)direction + i) % NUMBERS_DIRECTIONS);
int currentRow = row + GetRowChange(currentDirection);
int currentCol = col + GetColChange(currentDirection);
if (matrix.CanContinueInDirection(currentRow, currentCol))
{
return currentDirection;
}
}
throw new InvalidOperationException("The matrix is filled.");
}
public static Direction FindNewPosition(this int[,] matrix, Direction direction, Position position)
{
for (int i = 0; i < DirectionCount; i++)
{
Direction currDirection = (Direction)(((int)direction + i) % DirectionCount);
int currRow = position.Row + ChangeByRow[(int)currDirection];
int currCol = position.Col + ChangeByColumn[(int)currDirection];
Position newPosition = new Position(currRow, currCol);
if (CanGoToPosition(matrix, newPosition))
{
return currDirection;
}
}
throw new InvalidOperationException("Matrix is already filled.");
}
public static int GetRowChange(Direction direction)
{
return VerticalDirection[(int)direction];
}
public static int GetColChange(Direction direction)
{
return HorizontalDirection[(int)direction];
}
public static int GetRowChange(Direction direction)
{
return RowChange[(int)direction];
}
public static int GetColChange(Direction direction)
{
return ColChange[(int)direction];
}