public static void ChangeDirection(CurrentDirection currentDirection)
{
Directions direction = new Directions();
int currentDirectionCount = 0;
int DIRECTIONS_COUNT = 8;
for (int i = 0; i < DIRECTIONS_COUNT; i++)
{
if (direction.X[i] == currentDirection.X && direction.Y[i] == currentDirection.Y)
{
currentDirectionCount = i;
break;
}
}
if (currentDirectionCount == (DIRECTIONS_COUNT - 1))
{
currentDirection.X = direction.X[0];
currentDirection.Y = direction.Y[0];
return;
}
currentDirection.X = direction.X[currentDirectionCount + 1];
currentDirection.Y = direction.Y[currentDirectionCount + 1];
}
public static void ChangeDirection(CurrentDirection currentDirection)
{
Directions direction = new Directions();
int currentDirectionCount = 0;
int DIRECTIONS_COUNT = 8;
for (int i = 0; i < DIRECTIONS_COUNT; i++)
{
if (direction.X[i] == currentDirection.X && direction.Y[i] == currentDirection.Y)
{
currentDirectionCount = i;
break;
}
}
if (currentDirectionCount == (DIRECTIONS_COUNT - 1))
{
currentDirection.X = direction.X[0];
currentDirection.Y = direction.Y[0];
return;
}
currentDirection.X = direction.X[currentDirectionCount + 1];
currentDirection.Y = direction.Y[currentDirectionCount + 1];
}
public void ChangeDirection_Direction11_ShouldReturnNextDirection()
{
// Arrange
CurrentDirection direction = new CurrentDirection(1, 1);
// Act
Directions.ChangeDirection(direction);
CurrentDirection expectedDirection = new CurrentDirection(1, 0);
// Assert
Assert.IsTrue(expectedDirection.X == direction.X && expectedDirection.Y == direction.Y);
}
public static int[,] FillMatrix(int matrixDimension)
{
int[,] matrix = new int[matrixDimension, matrixDimension];
int fillingNumber = 1;
CurrentPosition currentPosition = new CurrentPosition(0, 0);
CurrentDirection currentDirection = new CurrentDirection(1, 1);
while (true)
{
matrix[currentPosition.X, currentPosition.Y] = fillingNumber;
if (!CheckForEmptyCellInCurrentDirection(matrix, currentPosition))
{
FindEmptyCell(matrix, currentPosition);
// Break if no more empty cells
if (currentPosition.X == 0 && currentPosition.Y == 0)
{
return(matrix);
}
// Will be positioned in the empty cell after the update
currentPosition.X--;
currentPosition.Y--;
currentDirection.X = 1;
currentDirection.Y = 1;
}
bool isInBoundariesX = 0 <= currentPosition.X + currentDirection.X && currentPosition.X + currentDirection.X < matrixDimension;
bool isInBoundariesY = 0 <= currentPosition.Y + currentDirection.Y && currentPosition.Y + currentDirection.Y < matrixDimension;
while (!isInBoundariesX || !isInBoundariesY || matrix[currentPosition.X + currentDirection.X, currentPosition.Y + currentDirection.Y] != 0)
{
Directions.ChangeDirection(currentDirection);
isInBoundariesX = 0 <= currentPosition.X + currentDirection.X && currentPosition.X + currentDirection.X < matrixDimension;
isInBoundariesY = 0 <= currentPosition.Y + currentDirection.Y && currentPosition.Y + currentDirection.Y < matrixDimension;
}
currentPosition.X += currentDirection.X;
currentPosition.Y += currentDirection.Y;
fillingNumber++;
}
}
public static int[,] FillMatrix(int matrixDimension)
{
int[,] matrix = new int[matrixDimension, matrixDimension];
int fillingNumber = 1;
CurrentPosition currentPosition = new CurrentPosition(0, 0);
CurrentDirection currentDirection = new CurrentDirection(1, 1);
while (true)
{
matrix[currentPosition.X, currentPosition.Y] = fillingNumber;
if (!CheckForEmptyCellInCurrentDirection(matrix, currentPosition))
{
FindEmptyCell(matrix, currentPosition);
// Break if no more empty cells
if (currentPosition.X == 0 && currentPosition.Y == 0)
{
return matrix;
}
// Will be positioned in the empty cell after the update
currentPosition.X--;
currentPosition.Y--;
currentDirection.X = 1;
currentDirection.Y = 1;
}
bool isInBoundariesX = 0 <= currentPosition.X + currentDirection.X && currentPosition.X + currentDirection.X < matrixDimension;
bool isInBoundariesY = 0 <= currentPosition.Y + currentDirection.Y && currentPosition.Y + currentDirection.Y < matrixDimension;
while (!isInBoundariesX || !isInBoundariesY || matrix[currentPosition.X + currentDirection.X, currentPosition.Y + currentDirection.Y] != 0)
{
Directions.ChangeDirection(currentDirection);
isInBoundariesX = 0 <= currentPosition.X + currentDirection.X && currentPosition.X + currentDirection.X < matrixDimension;
isInBoundariesY = 0 <= currentPosition.Y + currentDirection.Y && currentPosition.Y + currentDirection.Y < matrixDimension;
}
currentPosition.X += currentDirection.X;
currentPosition.Y += currentDirection.Y;
fillingNumber++;
}
}
public void CurrentDirection_InValidInputY_ShouldTrowException()
{
CurrentDirection currentDirection = new CurrentDirection(1, 2);
}
