protected internal override xyz Cross(LineType ViewLine)
{
//if (PolygonMode == PolygonMode.Line)
// Path = PrimId;
//else
// Path = -1;
xyArray A = null;
if (Path >= 0)
{
A = PolyPoly[Path];
double Dummy = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out Lam, out Dummy);
if (di < 2 * Snapdist)
{
return(PolyPoly[Path].Value(Lam).toXYZ());
}
else
{
Lam = -1;
}
}
else
{
for (int i = 0; i < PolyPoly.Count; i++)
{
A = PolyPoly[i];
double Dummy = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out Lam, out Dummy);
if (di <= 2 * Snapdist)
{
// Path = i;
return(PolyPoly[i].Value(Lam).toXYZ());
}
//else
// Path = -1;
}
}
xyz Result = new xyz(0, 0, 0);
double LineLam = -1;
new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1)).Cross(ViewLine, out LineLam, out Result);
return(Result);
}
/// <summary>
///
/// This method calculates the distance of a LineType to this Curve only in case, when the distance is
/// smaller then MaxDist, otherwise <see cref="Utils.big"/> will be returned.
/// You can imagine a cylinders with radius MaxDist around the Curve. If the line goes through the
/// "curved" cylinder, then the distance will be calculated and returned.
/// </summary>
/// <param name="L">Line, which will be checked</param>
/// <param name="MaxDist">Maximal distance</param>
/// <param name="param">paramter fo the nearest point in the curve</param>
/// <returns>distance</returns>
public double Distance(LineType L, double MaxDist, out double param)
{
double lam;
double result = Utils.big;
xyArray a = new xyArray(Resolution + 1);
this.ToArray(a, 0);
double di = a.Distance(L, MaxDist, out param, out lam);
if (!Utils.Less(MaxDist, di))
{
param = this.fromParam + param * toParam / Resolution;
result = di;
}
return(result);
}
public override Base GetBase()
{
Base B = Base.UnitBase;
B.BaseO = Point;
int id = -1;
xyArray A = null;
LineType ViewLine = Device.FromScr(Device.MousePos);
xyz P = ModelMatrix * ViewLine.P;
xyz Q = ModelMatrix * ViewLine.Q;
ViewLine = new LineType(P, Q);
for (int i = 1; i < Loca.Count; i++)
{
A = Loca[i].getxyArray();
A = ModelMatrix * A;
double Dummy = -1;
double di = A.Distance(ViewLine, Snapdist * 8, out Lam, out Dummy);
if (di <= Snapdist)
{
id = i;
// break;
}
}
if (id >= 0)
{
if (id == 1)
{
}
if (Lam >= 0)
{
double L = Lam;
Lam = Loca[id].xyArrayIndexToCurveArrayIndex(Lam);
xyz D = Loca[id].Direction(Lam).toXYZ();
B = Base.DoComplete(A.Value(L).toXYZ(), D, new xyz(0, 0, 1) & D);
}
}
else
{
B = ModelMatrix.toBase();
B.BaseO = Point;
}
return(B);
}
protected internal override xyz Cross(LineType ViewLine)
{
double Dummy = -1;
double di = Poly.Distance(ViewLine, 2 * Snapdist, out Lam, out Dummy);
if (di <= 2 * Snapdist)
{
return(Poly.Value(Lam).toXYZ());
}
else
{
Lam = -1;
}
xyz Result = new xyz(0, 0, 0);
double LineLam = -1;
new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1)).Cross(ViewLine, out LineLam, out Result);
return(Result);
}
public override Base GetBase()
{
Base B = ModelMatrix.toBase();;
B.BaseO = Point;
int id = -1;
for (int i = 0; i < PolyPoly.Count; i++)
{
xyArray A = PolyPoly[i];
LineType ViewLine = Device.FromScr(Device.MousePos);
double Dummy = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out Lam, out Dummy);
if (di <= 2 * Snapdist)
{
id = i;
break;
}
}
if (id >= 0)
{
xyzArray A = ModelMatrix * PolyPoly[id].ToxyzArray();
if (Lam >= 0)
{
xyz D = ModelMatrix * PolyPoly[id].Direction(Lam).toXYZ() - ModelMatrix * new xyz(0, 0, 0);
B = Base.DoComplete(Point, D, new xyz(0, 0, 1) & D);
}
}
else
{
xyzArray A = ModelMatrix * PolyPoly[0].ToxyzArray();
xyz D = A.cross();
B = Base.DoComplete(Point, D, new xyz(0, 0, 1) & D);
}
return(B);
}
protected internal override xyz Cross(LineType ViewLine)
{
xyArray A = this.CurveArray.getxyArray();
double Dummy = -1;
double _Lam = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out _Lam, out Dummy);
if (di <= 2 * Snapdist)
{
Lam = this.CurveArray.xyArrayIndexToCurveArrayIndex(_Lam);
doExchange = true;
return(this.CurveArray.Value(Lam).toXYZ());
}
else
{
Lam = -1;
}
xyz Result = new xyz(0, 0, 0);
double LineLam = -1;
new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1)).Cross(ViewLine, out LineLam, out Result);
return(Result);
}
protected internal override xyz Cross(LineType ViewLine)
{
//if (PolygonMode == PolygonMode.Line)
// Path = PrimId;
//else
// Path = -1;
xyArray A = null;
if (Path >= 0)
{
A = Loca[Path].getxyArray();
double Dummy = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out Lam, out Dummy);
if (di <= 2 * Snapdist)
{
Lam = Loca[Path].xyArrayIndexToCurveArrayIndex(Lam);
return(Loca[Path].Value(Lam).toXYZ());
}
else
{
Lam = -1;
}
}
else
{
double Distance = 1e10;
double _Lam = -1;
for (int i = 0; i < Loca.Count; i++)
{
A = Loca[i].getxyArray();
double Dummy = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out _Lam, out Dummy);
if (di <= 2 * Distance)
{
Distance = di;
Lam = Loca[i].xyArrayIndexToCurveArrayIndex(_Lam);
//Path = i;
if ((Path >= 0) && (Lam >= 0))
{
return(Loca[Path].Value(Lam).toXYZ());
}
continue;
}
else
{
Lam = -1;
}
}
if (Distance <= Snapdist)
{
if ((Path >= 0) && (Lam >= 0))
{
return(Loca[Path].Value(Lam).toXYZ());
}
}
}
xyz Result = new xyz(0, 0, 0);
double LineLam = -1;
new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1)).Cross(ViewLine, out LineLam, out Result);
return(Result);
}
