public bool DragArc(uint eId, OpenTK.Vector2d vec)
{
if (!IsElementId(CadElementType.Edge, eId))
{
return(false);
}
if (GetEdgeCurveType(eId) != CurveType.CurveArc)
{
return(true);
}
bool oldIsLeftSide;
double oldDist;
{
Edge2D e = GetEdge(eId);
e.GetCurveArc(out oldIsLeftSide, out oldDist);
}
Edge2D edge = GetEdge(eId);
System.Diagnostics.Debug.Assert(edge.CurveType == CurveType.CurveArc);
{
OpenTK.Vector2d sPt = edge.GetVertex(true);
OpenTK.Vector2d ePt = edge.GetVertex(false);
double edgeLen = Math.Sqrt(CadUtils.SquareLength(sPt, ePt));
if (Math.Abs(CadUtils.TriHeight(vec, sPt, ePt)) > edgeLen * 0.02)
{
OpenTK.Vector2d cPt;
bool ret = CadUtils.CenterCircumcircle(sPt, ePt, vec, out cPt);
System.Diagnostics.Debug.Assert(ret);
double dist = CadUtils.TriHeight(cPt, sPt, ePt);
double distRatio = dist / edgeLen;
edge.SetCurveArc(CadUtils.TriArea(sPt, ePt, vec) > 0, distRatio);
}
else
{
return(true);
}
}
HashSet <uint> setLId = new HashSet <uint>();
for (VertexEdgeItr vItr = this.BRep.GetVertexEdgeItr(edge.GetVertexId(true)); !vItr.IsEnd(); vItr++)
{
uint tmpLId = vItr.GetLoopId();
if (!setLId.Contains(tmpLId))
{
setLId.Add(tmpLId);
}
}
for (VertexEdgeItr vItr = this.BRep.GetVertexEdgeItr(edge.GetVertexId(false)); !vItr.IsEnd(); vItr++)
{
uint tmpLId = vItr.GetLoopId();
if (!setLId.Contains(tmpLId))
{
setLId.Add(tmpLId);
}
}
foreach (uint lId in setLId)
{
if (!this.BRep.IsElementId(CadElementType.Loop, lId))
{
continue;
}
if (CheckLoop(lId) != 0)
{
// fail
edge.SetCurveArc(oldIsLeftSide, oldDist);
return(true);
}
}
return(true);
}
public bool SmoothingPolylineEdge(uint eId, uint nIter, OpenTK.Vector2d pos, double radius)
{
if (!this.IsElementId(CadElementType.Edge, eId))
{
return(false);
}
if (GetEdgeCurveType(eId) != CurveType.CurvePolyline)
{
return(true);
}
if (nIter == 0)
{
return(true);
}
Edge2D edge = GetEdge(eId);
IList <double> axys = edge.GetCurveRelPoint();
System.Diagnostics.Debug.Assert(axys.Count % 2 == 0);
uint nno = (uint)axys.Count / 2;
IList <uint> aIndNo = new List <uint>();
if (radius > 0)
{
uint[] tmp = new uint[nno];
for (int i = 0; i < nno; i++)
{
if (i < aIndNo.Count)
{
tmp[i] = aIndNo[i];
}
else
{
tmp[i] = 0;
}
}
aIndNo.Clear();
aIndNo = tmp.ToList();
OpenTK.Vector2d sPt = edge.GetVertex(true);
OpenTK.Vector2d ePt = edge.GetVertex(false);
var v0 = ePt - sPt;
OpenTK.Vector2d v1 = new OpenTK.Vector2d(-v0.Y, v0.X);
for (int ino = 0; ino < nno; ino++)
{
var p = sPt + v0 * axys[ino * 2 + 0] + v1 * axys[ino * 2 + 1];
if (CadUtils.SquareLength(p - pos) < radius * radius)
{
aIndNo.Add((uint)ino);
}
}
}
else
{
aIndNo = new List <uint>();
for (int ino = 0; ino < nno; ino++)
{
aIndNo[ino] = (uint)ino;
}
}
// strength of smoothing(0から1)
double w = 0.8;
for (uint iiter = 0; iiter < nIter; iiter++)
{
for (int iIndNo = 0; iIndNo < aIndNo.Count; iIndNo++)
{
int ino = (int)aIndNo[iIndNo];
double[] po0 = new double[2];
double[] po1 = new double[2];
double[] po2 = new double[2];
if (ino == 0)
{
po0[0] = 0;
po0[1] = 0;
}
else
{
po0[0] = axys[ino * 2 - 2];
po0[1] = axys[ino * 2 - 1];
}
po1[0] = axys[ino * 2 + 0];
po1[1] = axys[ino * 2 + 1];
if (ino == nno - 1)
{
po2[0] = 1; po2[1] = 0;
}
else
{
po2[0] = axys[ino * 2 + 2];
po2[1] = axys[ino * 2 + 3];
}
////////////////
double[] mPt = { (po0[0] + po2[0]) * 0.5, (po0[1] + po2[1]) * 0.5 };
double[] dPt = { (1.0 - w) * po1[0] + w * mPt[0], (1.0 - w) * po1[1] + w * mPt[1] };
axys[ino * 2 + 0] = dPt[0];
axys[ino * 2 + 1] = dPt[1];
}
}
edge.SetCurveRelPoint(axys);
return(true);
}
public bool MoveEdgeCtrl(uint eId, uint iCtrl, OpenTK.Vector2d deltaVec)
{
if (!IsElementId(CadElementType.Edge, eId))
{
return(false);
}
IList <double> oldRelCos = null;
{
Edge2D e = GetEdge(eId);
oldRelCos = e.GetCurveRelPoint();
}
Edge2D edge = GetEdge(eId);
if (iCtrl >= edge.GetCurvePoint().Count)
{
return(true);
}
{
OpenTK.Vector2d sPt = edge.GetVertex(true);
OpenTK.Vector2d ePt = edge.GetVertex(false);
double sqLen = CadUtils.SquareLength(ePt - sPt);
var eh = (ePt - sPt) * (1 / sqLen);
OpenTK.Vector2d ev = new OpenTK.Vector2d(-eh.Y, eh.X);
var p0 = edge.GetCurvePoint()[(int)iCtrl] + deltaVec;
IList <double> aRelCo = edge.GetCurveRelPoint();
aRelCo[(int)(iCtrl * 2 + 0)] = OpenTK.Vector2d.Dot(p0 - sPt, eh);
aRelCo[(int)(iCtrl * 2 + 1)] = OpenTK.Vector2d.Dot(p0 - sPt, ev);
edge.SetCurveRelPoint(aRelCo);
}
HashSet <uint> setLId = new HashSet <uint>();
for (VertexEdgeItr vItr = this.BRep.GetVertexEdgeItr(edge.GetVertexId(true)); !vItr.IsEnd(); vItr++)
{
uint tmpLId = vItr.GetLoopId();
if (!setLId.Contains(tmpLId))
{
setLId.Add(tmpLId);
}
}
for (VertexEdgeItr vItr = this.BRep.GetVertexEdgeItr(edge.GetVertexId(false)); !vItr.IsEnd(); vItr++)
{
uint tmpLId = vItr.GetLoopId();
if (!setLId.Contains(tmpLId))
{
setLId.Add(tmpLId);
}
}
foreach (uint lId in setLId)
{
if (!this.BRep.IsElementId(CadElementType.Loop, lId))
{
continue;
}
if (CheckLoop(lId) != 0)
{
// fail
edge.SetCurveRelPoint(oldRelCos);
return(true);
}
}
return(true);
}