public PointM GetRelativePoint(StringLine str, PointM pos)
{
//if (!(str == Left || str == Right))
// return PointM.Empty;
var strPosRatio = PointM.Distance(pos, str.P2) / PointM.Distance(str.FretZero, str.P2);
var dist = PointM.Distance(P0, P2);
return(P2 + (Direction * -1 * (dist * strPosRatio)));
}
public StringCenter(StringLine left, StringLine right)
{
Left = left;
Right = right;
P1 = PointM.Average(left.P1, right.P1);
P2 = PointM.Average(left.P2, right.P2);
P0 = PointM.Average(left.FretZero, right.FretZero);
//P1 = PointM.FromVector(Equation.GetPointForY(Math.Min(left.P1.Y.NormalizedValue, right.P1.Y.NormalizedValue)), P1.Unit);
//P1 = PointM.Average(left.FretZero, right.FretZero);
//P2 = PointM.Average(left.P2, right.P2);
//var nutLine = Line.FromPoints((Vector)left.P1, (Vector)right.P1);
//P1 = PointM.FromVector(Equation.GetIntersection(nutLine), P1.Unit ?? P2.Unit);
}
public PointM GetRelativePoint(StringLine str, PointM pos)
{
PointM startPt = PointM.Empty;
if (str.Index == 0)
{
startPt = Side == FingerboardSide.Treble ? str.P1 : str.FretZero;
}
else if (str.Index == Layout.NumberOfStrings - 1)
{
startPt = Side == FingerboardSide.Bass ? str.P1 : str.FretZero;
}
var strPosRatio = PointM.Distance(pos, str.P2) / PointM.Distance(startPt, str.P2);
var endPt = RealEnd.IsEmpty ? P2 : RealEnd;
var dist = PointM.Distance(P1, endPt);
return(endPt + (Direction * -1 * (dist * strPosRatio)));
}