private bool CheckPointsAreStraight(IEnumerable <PointM> points)
{
Angle avgAngle = Angle.FromPoints(points.First().ToVector(), points.Last().ToVector());
avgAngle.Normalize();
double tolerance = Layout.ShouldHaveStraightFrets() ? 2.5 : 1;
//double maxDiff = 0;
for (int i = 1; i < points.Count() - 1; i++)
{
var curAngle = Angle.FromPoints(points.First().ToVector(), points.ElementAt(i).ToVector());
curAngle.Normalize();
var angleDiff = MathP.Abs(curAngle.Degrees - avgAngle.Degrees);
if (angleDiff > tolerance)
{
return(false);
}
//if (angleDiff > maxDiff)
// maxDiff = angleDiff;
}
return(true);
//if (maxDiff >= 1)
// Console.WriteLine(string.Format("max diff for fret {0}: {1}", FretIndex, Angle.FromDegrees(maxDiff)));
//return maxDiff <= tolerance;
}
private bool CheckForHardBreak(/*IEnumerable<PointM> points*/)
{
var points = new List <PointM>();
for (int i = 0; i < Segments.Count; i++)
{
if (i == 0)
{
points.Add(Segments[i].P2);
}
points.Add(Segments[i].PointOnString);
if (i == Segments.Count - 1)
{
points.Add(Segments[i].P1);
}
}
int straightCtr = 0;
Vector prevDir = Vector.Empty;
Angle prevAngle = Angle.Empty;
for (int i = 0; i < points.Count - 1; i++)
{
var curDir = (points[i + 1] - points[i]).Direction;
var curAngle = Angle.FromPoints(points[i].ToVector(), points[i + 1].ToVector()).Normalized();
if (!prevAngle.IsEmpty)
{
if (MathP.Abs(curAngle.Degrees - prevAngle.Degrees) > 25)
{
//hard break
SplitFret(i - 1);
return(true);
}
}
if (!prevDir.IsEmpty)
{
if ((prevDir - curDir).Length <= 0.01)
{
straightCtr++;
}
}
prevAngle = curAngle;
prevDir = curDir;
}
return(false);
}
public static bool operator ==(Angle a1, Angle a2)
{
return(MathP.Abs(a1.Degrees - a2.Degrees) <= double.Epsilon);
}