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);
}
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 static int CheckEdgeIntersection(IList <Edge2D> edges)
{
uint edgeCnt = (uint)edges.Count;
for (int iedge = 0; iedge < edgeCnt; iedge++)
{
Edge2D iE = edges[iedge];
if (iE.IsCrossEdgeSelf())
{
return(1);
}
uint iPt0 = iE.GetVertexId(true);
uint iPt1 = iE.GetVertexId(false);
BoundingBox2D iBB = iE.GetBoundingBox();
for (int jedge = iedge + 1; jedge < edgeCnt; jedge++)
{
Edge2D jE = edges[jedge];
uint jPt0 = jE.GetVertexId(true);
uint jPt1 = jE.GetVertexId(false);
if ((iPt0 - jPt0) * (iPt0 - jPt1) * (iPt1 - jPt0) * (iPt1 - jPt1) != 0)
{
BoundingBox2D jBB = jE.GetBoundingBox();
if (jBB.MinX > iBB.MaxX || jBB.MaxX < iBB.MinX)
{
continue;
}
if (jBB.MinY > iBB.MaxY || jBB.MaxY < iBB.MinY)
{
continue;
}
if (!iE.IsCrossEdge(jE))
{
continue;
}
return(1);
}
if (iPt0 == jPt0 && iPt1 == jPt1)
{
if (iE.IsCrossEdgeShareBothPoints(jE, true))
{
return(1);
}
}
else if (iPt0 == jPt1 && iPt1 == jPt0)
{
if (iE.IsCrossEdgeShareBothPoints(jE, false))
{
return(1);
}
}
else if (iPt0 == jPt0)
{
if (iE.IsCrossEdgeShareOnePoint(jE, true, true))
{
return(1);
}
}
else if (iPt0 == jPt1)
{
if (iE.IsCrossEdgeShareOnePoint(jE, true, false))
{
return(1);
}
}
else if (iPt1 == jPt0)
{
if (iE.IsCrossEdgeShareOnePoint(jE, false, true))
{
return(1);
}
}
else if (iPt1 == jPt1)
{
if (iE.IsCrossEdgeShareOnePoint(jE, false, false))
{
return(1);
}
}
continue;
}
}
return(0);
}