private bool isAHexagon(MatchContext context)
{
var points = context.Coordinates.ToList();
return points[0].Position == points[2].Position
&& points[4].Position == (points[2].Position + (points[4].Level - points[2].Level))
&& points[3].Position == points[5].Position;
}
private bool isATriangle(MatchContext context)
{
var points = context.Coordinates.ToList();
return (points[0].Position == points[1].Position && points[1].Level == points[2].Level)
|| (points[1].Position == points[2].Position && points[0].Level == points[1].Level);
}
protected override bool MatchesShape(MatchContext context)
{
return hasPointCount(context, 4) && hasParallelSidesOfTheSameSize(context);
}
private bool hasParallelSidesOfTheSameSize(MatchContext context)
{
var points = context.Coordinates.ToList();
return points[1].Position - points[0].Position == points[3].Position - points[2].Position
|| points[2].Level - points[0].Level == points[3].Level - points[1].Level;
}
protected override bool MatchesShape(MatchContext context)
{
return hasPointCount(context, 6) && isAHexagon(context);
}
protected abstract bool MatchesShape(MatchContext context);
protected bool hasPointCount(MatchContext context, int count)
{
return context.Coordinates.Count() == count;
}
protected override bool MatchesShape(MatchContext context)
{
return hasPointCount(context, 3) && isATriangle(context);
}