public static List <HandCurve> Combine(HandCurve handCurve1, HandCurve handCurve2)
{
if (!(handCurve1.curve is OpenCurve))
{
throw new System.Exception("handCurve1 must be open");
}
if (!(handCurve2.curve is OpenCurve))
{
throw new System.Exception("handCurve2 must be open");
}
(OpenCurve curve1, OpenCurve curve2) = AdjustOrientation((OpenCurve)handCurve1.curve, (OpenCurve)handCurve2.curve);
List <HandCurve> newHandCurves = new List <HandCurve>();
IReadOnlyList <Vector3> points1 = curve1.GetPoints();
IReadOnlyList <Vector3> points2 = curve2.GetPoints();
if (Vector3.Distance(points1.Last(), points2.First()) < collision)
{
OpenCurve newCurve = curve1.Concat(curve2);
bool closed = newCurve.DistanceOfFirstAndLast() < collision;
newHandCurves.Add(new HandCurve(newCurve.ChangeClosed(closed), selected: true));
}
return(newHandCurves);
}
public HandCurve DeepCopy()
{
IReadOnlyList <Vector3> points = ListVector3Copy(this.curve.GetPoints());
HandCurve curve = new HandCurve(Curve.Create(this.closed, points), segment: this.segment);
curve.selected = this.selected;
curve.position = Vector3Copy(this.position);
curve.rotation = QuaternionCopy(this.rotation);
return(curve);
}
private HandCurve CutKnot(int num)
{
IReadOnlyList <Vector3> points = this.curve.GetPoints();
List <Vector3> newPoints = new List <Vector3>();
for (int i = num + 1; i < Length(); i++)
{
newPoints.Add(points[i]);
}
for (int i = 0; i < num; i++)
{
newPoints.Add(points[i]);
}
HandCurve cutKnot = new HandCurve(new OpenCurve(newPoints), selected: true);
return(cutKnot);
}
private (HandCurve, HandCurve) CutCurve(int num)
{
IReadOnlyList <Vector3> points = this.curve.GetPoints();
List <Vector3> newPoints1 = new List <Vector3>();
List <Vector3> newPoints2 = new List <Vector3>();
for (int i = 0; i < num; i++)
{
newPoints1.Add(points[i]);
}
for (int i = num + 1; i < Length(); i++)
{
newPoints2.Add(points[i]);
}
HandCurve newCurve1 = new HandCurve(new OpenCurve(newPoints1), selected: true);
HandCurve newCurve2 = new HandCurve(new OpenCurve(newPoints2), selected: true);
return(newCurve1, newCurve2);
}
public float CurveDistance(HandCurve other)
{
IReadOnlyList <Vector3> thisPoints = this.curve.GetPoints();
IReadOnlyList <Vector3> otherPoints = other.curve.GetPoints();
float min = float.PositiveInfinity;
int n1 = this.Length();
int n2 = other.Length();
int end1 = this.closed ? n1 - 1 : n1 - 2;
int end2 = other.closed ? n2 - 1 : n2 - 2;
for (int i = 0; i <= end1; i++)
{
for (int j = 0; j <= end2; j++)
{
float dist = SegmentDist.SSDist(thisPoints[i], thisPoints[(i + 1) % n1], otherPoints[j], otherPoints[(j + 1) % n2]);
if (dist < min)
{
min = dist;
}
}
}
return(min);
}
