public List <AcadDB.Region> GetRegions()
{
List <AcadDB.Region> regions = new List <AcadDB.Region>();
AcadGeo.Vector3d tmp_vec = up_vector.CrossProduct(normal_vector);
AcadDB.DBObjectCollection objs = new AcadDB.DBObjectCollection();
AcadGeo.Vector3d hf = up_vector * height * 0.5;
AcadGeo.Vector3d wf = tmp_vec * width * 0.5;
objs.Add(new AcadDB.Line(base_point + hf + wf, base_point + hf - wf));
objs.Add(new AcadDB.Line(base_point + hf - wf, base_point - hf - wf));
objs.Add(new AcadDB.Line(base_point - hf - wf, base_point - hf + wf));
objs.Add(new AcadDB.Line(base_point - hf + wf, base_point + hf + wf));
AcadDB.DBObjectCollection regs = AcadDB.Region.CreateFromCurves(objs);
foreach (var reg in regs)
{
if (reg is AcadDB.Region)
{
regions.Add(reg as AcadDB.Region);
}
}
return(regions);
}
public void Rotate(AcadGeo.Vector3d vec)
{
AcadGeo.Vector3d axe = vec.CrossProduct(normal_vector);
axe = axe.GetNormal();
if (axe.IsEqualTo(new AcadGeo.Vector3d(0.0, 0.0, 0.0)))
{
return;
}
double angle = normal_vector.GetAngleTo(vec, axe);
if (angle > AcadFuncs.kPI)
{
angle -= AcadFuncs.kPI;
}
if (angle > AcadFuncs.kPI * 0.5)
{
angle -= AcadFuncs.kPI;
}
AcadGeo.Tolerance tol = new AcadGeo.Tolerance(0.01, 0.01);
if (!up_vector.IsParallelTo(axe, tol))
{
up_vector = up_vector.RotateBy(angle, axe);
}
if (!normal_vector.IsParallelTo(axe, tol))
{
normal_vector = normal_vector.RotateBy(angle, axe);
}
}
internal static Movement4 getMoveVector(Triangle tri, Triangle adjacentTri, Edge commonEdge)
{
Movement4 r = new Movement4();
Point center = tri.Center;
Edge e = center.PerpendicularOn(commonEdge.ToLine());
if (adjacentTri == null)
{
return(r);
}
Edge e2 = adjacentTri.Center.PerpendicularOn(commonEdge.ToLine());
Autodesk.AutoCAD.Geometry.Vector3d v = MyConvert.toVector(e);
Autodesk.AutoCAD.Geometry.Vector3d v2 = MyConvert.toVector(e2);
Autodesk.AutoCAD.Geometry.Vector3d crossv = v.CrossProduct(v2);
Autodesk.AutoCAD.Geometry.Vector3d movev = crossv.CrossProduct(v);
double angle = v.GetAngleTo(v2);
if (angle < 0)
{
throw new System.Exception("angle<0");
}
if (angle > Math.PI)
{
angle = Math.PI * 2 - angle;
}
double length = e.Length;
Autodesk.AutoCAD.Geometry.Vector3d unitV = movev.GetNormal();
r.move = -unitV * (Math.PI - angle) * 1 / 16;
r.dis = length;
return(r);
}
private AcadGeo.Vector3d NormalVec()
{
AcadGeo.Vector3d v1 = AcadFuncs.GetVec(position, main_branch_position);
AcadGeo.Vector3d v2 = AcadFuncs.GetVec(branch_position, position);
return(v1.CrossProduct(v2).GetNormal());
}
