private void DrawDim(
DrawContext dc,
CadVertex a,
CadVertex b,
CadVertex p,
DrawPen pen)
{
CadSegment seg = CadUtil.PerpSeg(a, b, p);
dc.Drawing.DrawLine(pen, a.vector, seg.P0.vector);
dc.Drawing.DrawLine(pen, b.vector, seg.P1.vector);
Vector3d cp = CadMath.CenterPoint(seg.P0.vector, seg.P1.vector);
double arrowW = ARROW_W;
double arrowL = ARROW_LEN;
dc.Drawing.DrawArrow(pen, cp, seg.P0.vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
dc.Drawing.DrawArrow(pen, cp, seg.P1.vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
}
private void DrawDim(DrawContext dc, DrawPen linePen, DrawBrush textBrush)
{
dc.Drawing.DrawLine(linePen, PointList[0].vector, PointList[3].vector);
dc.Drawing.DrawLine(linePen, PointList[1].vector, PointList[2].vector);
Vector3d cp = CadMath.CenterPoint(PointList[3].vector, PointList[2].vector);
double arrowW = ARROW_W;
double arrowL = ARROW_LEN;
double ww = (PointList[1] - PointList[0]).Norm() / 4.0;
if (ww > arrowL)
{
dc.Drawing.DrawArrow(linePen, cp, PointList[3].vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
dc.Drawing.DrawArrow(linePen, cp, PointList[2].vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
}
else
{
Vector3d v0 = cp - PointList[3].vector;
Vector3d v1 = cp - PointList[2].vector;
v0 = -(v0.Normalized() * (arrowL * 1.5)) / dc.WorldScale + PointList[3].vector;
v1 = -(v1.Normalized() * (arrowL * 1.5)) / dc.WorldScale + PointList[2].vector;
dc.Drawing.DrawArrow(linePen, v0, PointList[3].vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
dc.Drawing.DrawArrow(linePen, v1, PointList[2].vector, ArrowTypes.CROSS, ArrowPos.END, arrowL, arrowW);
dc.Drawing.DrawLine(linePen, PointList[2].vector, PointList[3].vector);
}
CadVertex lineV = PointList[2] - PointList[3];
double len = lineV.Norm();
string lenStr = CadUtil.ValToString(len);
CadVertex p = PointList[3] + (lineV / 2);
p += (PointList[3] - PointList[0]).UnitVector() * (arrowW);
CadVertex up = PointList[3] - PointList[0];
// 裏返しになる場合は、反転する
// If it turns over, reverse it
Vector3d normal = CadMath.Normal(lineV.vector, up.vector);
double scala = CadMath.InnerProduct(normal, dc.ViewDir);
if (scala > 0)
{
lineV = -lineV;
}
// --- lineV --->
// 3<------------ p ----------->2
// ^ | |
// | | |
// up 0 1
//
dc.Drawing.DrawText(FontID, textBrush, p.vector, lineV.vector, up.vector,
new DrawTextOption(DrawTextOption.H_CENTER),
lenStr);
}
private void CheckSeg(DrawContext dc, CadLayer layer, FigureSegment fseg)
{
CadFigure fig = fseg.Figure;
int idxA = fseg.Index0;
int idxB = fseg.Index1;
Vector3d a = fseg.Point0.vector;
Vector3d b = fseg.Point1.vector;
if (fig.StoreList != null && fig.StoreList.Count > 1)
{
if (!CheckStorePoint)
{
return;
}
a = fseg.StoredPoint0.vector;
b = fseg.StoredPoint1.vector;
}
Vector3d cwp = dc.DevPointToWorldPoint(Target.Pos);
Vector3d xfaceNormal = dc.DevVectorToWorldVector(Target.DirX);
Vector3d yfaceNormal = dc.DevVectorToWorldVector(Target.DirY);
Vector3d cx = CadMath.CrossSegPlane(a, b, cwp, xfaceNormal);
Vector3d cy = CadMath.CrossSegPlane(a, b, cwp, yfaceNormal);
if (!cx.IsValid() && !cy.IsValid())
{
return;
}
Vector3d p = VectorExt.InvalidVector3d;
double mind = double.MaxValue;
Vector3d dcenter = dc.WorldPointToDevPoint(CadMath.CenterPoint(a, b));
double centerDist = (dcenter - Target.Pos).Norm();
if (CheckPriority == Priority.NONE || centerDist < Range)
{
StackArray <Vector3d> vtbl = default;
vtbl[0] = cx;
vtbl[1] = cy;
vtbl.Length = 2;
for (int i = 0; i < vtbl.Length; i++)
{
Vector3d v = vtbl[i];
if (!v.IsValid())
{
continue;
}
Vector3d devv = dc.WorldPointToDevPoint(v);
double td = (devv - Target.Pos).Norm();
if (td < mind)
{
mind = td;
p = v;
}
}
}
else
{
if (CheckPriority == Priority.PRIORITY_X)
{
p = cx;
}
else if (CheckPriority == Priority.PRIORITY_Y)
{
p = cy;
}
if (p.IsInvalid())
{
return;
}
Vector3d devv = dc.WorldPointToDevPoint(p);
mind = (devv - Target.Pos).Norm();
}
if (!p.IsValid())
{
return;
}
if (mind > Range)
{
return;
}
if (mind < MinDist)
{
MarkSeg.Layer = layer;
MarkSeg.FigSeg = fseg;
MarkSeg.CrossPoint = p;
MarkSeg.CrossPointScrn = dc.WorldPointToDevPoint(p);
MarkSeg.Distance = mind;
MinDist = mind;
}
}