public void RotateClockWise(int times)
{
var finalMatrix = Figures;
for (int i = 0; i < times; i++)
{
var newMatrix = new TrackingFieldState[finalMatrix.GetLength(1), finalMatrix.GetLength(0)];
int newRow = 0;
for (int oldColumn = finalMatrix.GetLength(1) - 1; oldColumn >= 0; oldColumn--)
{
var newColumn = 0;
for (int oldRow = 0; oldRow < finalMatrix.GetLength(0); oldRow++)
{
newMatrix[newRow, newColumn] = finalMatrix[oldRow, oldColumn];
newColumn++;
}
newRow++;
}
finalMatrix = newMatrix;
}
Figures = finalMatrix;
}
/// <summary>
/// Gets tracking states of given chessboard
/// </summary>
/// <returns>Tracking states of given chessboard</returns>
public TrackingState GetTrackingStates()
{
var figures = new TrackingFieldState[8, 8];
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
if (Figures[x, y] == null)
{
figures[x, y] = TrackingFieldState.None;
}
else if (Figures[x, y].Color == PlayerColor.White)
{
figures[x, y] = TrackingFieldState.White;
}
else
{
figures[x, y] = TrackingFieldState.Black;
}
}
}
var state = new TrackingState(figures);
return(state);
}
/// <summary>
/// Performs vertical flip of tracking state
/// </summary>
public void VerticalFlip()
{
var newMatrix = new TrackingFieldState[Figures.GetLength(1), Figures.GetLength(0)];
for (int column = 0; column < 0; column++)
{
for (int row = 0; row < Figures.GetLength(0); row++)
{
newMatrix[row, column] = Figures[row, (Figures.GetLength(0) - 1) - column];
}
}
Figures = newMatrix;
}
/// <summary>
/// Decides which fields contain figure and decides its color
/// -> if there are more points over field than threshold, the figure is considered as present
/// -> color is decided by thresholding average fitness of points over field
/// </summary>
/// <param name="inputColorsData">Colors of points over individual fields</param>
/// <param name="userParameters">User defined parameters</param>
/// <returns>Tracking state of chessboard</returns>
private TrackingState DetectPresenceAndColorOfFiguresOnFields(List <Point2DWithColor>[,] inputColorsData, TrackingState gameTrackingState, UserDefinedParameters userParameters)
{
var figures = new TrackingFieldState[8, 8];
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
int presenceInfluence = 0;
float colorInfluence = 0;
if (gameTrackingState != null)
{
presenceInfluence =
gameTrackingState.Figures[x, y] != TrackingFieldState.None
? userParameters.GameStateInfluenceOnPresence
: 0;
colorInfluence =
(userParameters.GameStateInfluenceOnColor / 100f) *
(gameTrackingState.Figures[x, y] == TrackingFieldState.None
? 0
: gameTrackingState.Figures[x, y] == TrackingFieldState.White
? 1
: -1
);
}
if ((inputColorsData[x, y].Count + presenceInfluence) < userParameters.NumberOfPointsIndicatingFigure)
{
figures[x, y] = TrackingFieldState.None;
}
else
{
if (gameTrackingState != null && inputColorsData[x, y].Count == 0)
{
figures[x, y] = gameTrackingState.Figures[x, y];
continue;;
}
double averageBrightnessInField;
if (userParameters.IsFiguresColorMetricExperimental)
{
averageBrightnessInField =
inputColorsData[x, y].Sum(f => 1 - Math.Pow(-2.5f * (Color.FromArgb(f.Color.R, f.Color.G, f.Color.B).CustomBrightness() - 0.5f), 2) + colorInfluence)
/ inputColorsData[x, y].Count;
}
else
{
averageBrightnessInField =
inputColorsData[x, y].Sum(f => Color.FromArgb(f.Color.R, f.Color.G, f.Color.B).GetBrightness() + colorInfluence)
/ inputColorsData[x, y].Count;
}
figures[x, y] =
averageBrightnessInField > 0.5 + userParameters.ColorCalibrationAdditiveConstant
? TrackingFieldState.White
: TrackingFieldState.Black;
}
}
}
return(new TrackingState(figures));
}
