/// <summary>
/// 해당 방향에 있는 바로 옆 퍼즐의 키 값을 리턴.
/// </summary>
public PositionModel GetKeyByAngle(PositionModel positionModel, float angle)
{
if (!AllLineModels.ContainsKey(positionModel.Column))
{
return(PositionModel.EmptyPositionModel);
}
// To upper direction.
if (Enumerable.Range(150, 60).Contains((int)angle))
{
return(new PositionModel(positionModel.Column, positionModel.Row + 1));
}
// To upper right direction.
if (Enumerable.Range(210, 60).Contains((int)angle))
{
return(GetPuzzlePosition(false));
}
// To lower right direction.
if (Enumerable.Range(270, 60).Contains((int)angle))
{
return(GetPuzzlePosition(false, false));
}
// To upper left direction.
if (Enumerable.Range(90, 60).Contains((int)angle))
{
return(GetPuzzlePosition());
}
// To lower left direction.
if (Enumerable.Range(30, 60).Contains((int)angle))
{
return(GetPuzzlePosition(toUpper: false));
}
// To lower direction.
return(new PositionModel(positionModel.Column, positionModel.Row - 1));
PositionModel GetPuzzlePosition(bool toLeft = true, bool toUpper = true)
{
var checkColumn = positionModel.Column + (toLeft ? -1 : 1);
if (!AllLineModels.ContainsKey(checkColumn))
{
return(PositionModel.EmptyPositionModel);
}
var anEvenNumberColumn = positionModel.Column % 2 == 0;
var posCoeff = anEvenNumberColumn && toUpper ? 0 : anEvenNumberColumn ? -1 : toUpper ? 1 : 0;
return(new PositionModel(checkColumn, positionModel.Row + posCoeff));
}
}
public bool ContainLineModel(PositionModel positionModel)
{
return(AllLineModels.ContainsKey(positionModel.Column) &&
AllLineModels[positionModel.Column].ContainRow(positionModel.Row));
}