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 MoveEdge(uint eId, OpenTK.Vector2d vecDelta)
{
System.Diagnostics.Debug.Assert(IsElementId(CadElementType.Edge, eId));
uint sVId = GetEdgeVertexId(eId, true);
uint eVId = GetEdgeVertexId(eId, false);
OpenTK.Vector2d preSVec;
{
// 点を動かす→駄目だったら元に戻す
Vertex2D vertex = VertexArray.GetObject(sVId);
preSVec = vertex.Point;
{
double oldX = vertex.Point.X;
double oldY = vertex.Point.Y;
vertex.Point = new OpenTK.Vector2d(oldX + vecDelta.X, oldY + vecDelta.Y);
}
}
OpenTK.Vector2d preEVec;
{ // 点を動かす→駄目だったら元に戻す
Vertex2D ver = VertexArray.GetObject(eVId);
preEVec = ver.Point;
{
double oldX = ver.Point.X;
double oldY = ver.Point.Y;
ver.Point = new OpenTK.Vector2d(oldX + vecDelta.X, oldY + vecDelta.Y);
}
}
try
{
// Check Interfarance
HashSet <uint> lIds = new HashSet <uint>();
for (VertexEdgeItr vItr = this.BRep.GetVertexEdgeItr(sVId); !vItr.IsEnd(); vItr++)
{
uint lId = vItr.GetLoopId();
if (IsElementId(CadElementType.Loop, lId))
{
if (!lIds.Contains(lId))
{
lIds.Add(lId);
}
else
{
continue;
}
if (CheckLoop(lId) != 0)
{
throw new InvalidOperationException();
}
}
}
for (VertexEdgeItr vItr = this.BRep.GetVertexEdgeItr(eVId); !vItr.IsEnd(); vItr++)
{
uint lId = vItr.GetLoopId();
if (IsElementId(CadElementType.Loop, lId))
{
if (!lIds.Contains(lId))
{
lIds.Add(lId);
}
else
{
continue;
}
if (CheckLoop(lId) != 0)
{
throw new InvalidOperationException();
}
}
}
}
catch (Exception exception)
{
////////////////////////////////
//if the operation fails
{ // 動かした点を元に戻す
Vertex2D vertex = VertexArray.GetObject(sVId);
vertex.Point = preSVec;
}
{ // 動かした点を元に戻す
Vertex2D vertex = VertexArray.GetObject(eVId);
vertex.Point = preEVec;
}
return(false);
}
return(true);
}
public bool MoveVertex(uint vId, OpenTK.Vector2d vec)
{
if (!VertexArray.IsObjectId(vId))
{
return(false);
}
OpenTK.Vector2d preVec;
{
// store point to move point back in case it fails
Vertex2D vertex = VertexArray.GetObject(vId);
preVec = vertex.Point;
}
OpenTK.Vector2d dist = vec;
{
// move point
Vertex2D vertex = VertexArray.GetObject(vId);
vertex.Point = dist;
}
try
{
VertexEdgeItr vItr = this.BRep.GetVertexEdgeItr(vId);
if (vItr.GetEdgeCount() == 0)
{
// move point inside loop
uint lId = vItr.GetLoopId();
if (IsElementId(CadElementType.Loop, lId))
{
// ignore vtx(id_v) in the signd distance computation
double distance = SignedDistancePointLoop(lId, vec, vId);
if (distance < this.MinClearance)
{
throw new InvalidOperationException();
}
}
}
else
{
// move point adjacent to loop
HashSet <uint> lIds = new HashSet <uint>();
for (; !vItr.IsEnd(); vItr++)
{
uint lId = vItr.GetLoopId();
if (IsElementId(CadElementType.Loop, lId))
{
if (!lIds.Contains(lId))
{
lIds.Add(lId);
}
else
{
continue;
}
if (CheckLoop(lId) != 0)
{
throw new InvalidOperationException();
}
}
}
}
}
catch (Exception exception)
{
////////////////////////////////
// fail
{ // reset the moved point
Vertex2D vertex = VertexArray.GetObject(vId);
vertex.Point = preVec;
}
return(false);
}
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);
}