protected override List <PathInfo> GetSweptPath()
{
AcadGeo.Point3d center = CalculateCenter();
AcadGeo.Vector3d ref_vec = AcadFuncs.GetVec(CalculateBranchPos(position, branch_positions[0], radius, angle), center);
AcadGeo.CircularArc3d arc = new AcadGeo.CircularArc3d(
center, NormalVec(), ref_vec, radius,
GetStartAngle(position, center, ref_vec, NormalVec()), GetEndAngle(position, center, ref_vec, NormalVec()));
AcadFuncs.AddNewEnt(AcadDB.Arc.CreateFromGeCurve(arc));
List <PathInfo> ents = new List <PathInfo>();
AcadGeo.Point3d bp = CalculateBranchPos(position,
profile.NormalVector.GetNormal().IsParallelTo(AcadFuncs.GetVec(position, branch_positions[1])) ? branch_positions[1] : branch_positions[0],
radius, angle);
profile.BasePoint = bp;
ents.Add(new PathInfo(profile.GetRegions().First(), profile.GetSubRegions().First(), AcadDB.Arc.CreateFromGeCurve(arc), bp));
//{
// var regs = profile.GetRegions();
// AcadFuncs.AddNewEnt(regs[0]);
//}
return(ents);
}
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());
}
protected override List <PathInfo> GetSweptPath()
{
AcadGeo.Point3d center = CalculateCenter();
AcadGeo.Vector3d ref_vec = AcadFuncs.GetVec(CalculateBranchPos(position, main_branch_position, radius), center);
AcadGeo.CircularArc3d arc = new AcadGeo.CircularArc3d(
center, NormalVec(), ref_vec, radius,
GetStartAngle(position, center, ref_vec, NormalVec()), GetEndAngle(position, center, ref_vec, NormalVec()));
//AcadFuncs.AddNewEnt(AcadDB.Arc.CreateFromGeCurve(arc));
List <PathInfo> ents = new List <PathInfo>();
AcadGeo.Point3d bp = CalculateBranchPos(position,
profile.NormalVector.GetNormal().IsParallelTo(ref_vec) ? branch_position : main_branch_position,
radius);
profile.BasePoint = new AcadGeo.Point3d(bp.X, bp.Y, bp.Z);
ents.Add(new PathInfo(profile.GetRegions().First(), profile.GetSubRegions().First(), AcadDB.Arc.CreateFromGeCurve(arc), bp));
{
AcadGeo.Plane plane = new AcadGeo.Plane(position, AcadFuncs.GetVec(position, branch_position));
AcadGeo.CircularArc3d tmp_arc = new AcadGeo.CircularArc3d(
arc.Center, arc.Normal, arc.ReferenceVector, arc.Radius, arc.StartAngle, arc.EndAngle);
tmp_arc.Mirror(plane);
AcadGeo.Point3d tmp_bp = new AcadGeo.Point3d(bp.X, bp.Y, bp.Z);
if (tmp_bp.IsEqualTo(CalculateBranchPos(position, branch_position, radius)))
{
tmp_bp += AcadFuncs.GetVec(position, branch_position) * radius * 2.0;
profile.BasePoint = tmp_bp;
}
//AcadFuncs.AddNewEnt(AcadDB.Arc.CreateFromGeCurve(tmp_arc));
ents.Add(new PathInfo(profile.GetRegions().First(), profile.GetSubRegions().First(), AcadDB.Arc.CreateFromGeCurve(tmp_arc), tmp_bp));
}
{
AcadGeo.Point3d tmp_pos = CalculateBranchPos(position, branch_position, radius);
AcadGeo.Point3d tmp_end_pos = tmp_pos + AcadFuncs.GetVec(position, branch_position) * radius * 2.0;
AcadGeo.Point3d tmp_bp = new AcadGeo.Point3d(bp.X, bp.Y, bp.Z);
if (tmp_bp.IsEqualTo(CalculateBranchPos(position, branch_position, radius)))
{
profile.BasePoint = CalculateBranchPos(position, branch_position, radius);
}
else
{
profile.BasePoint = new AcadGeo.Point3d(position.X, position.Y, position.Z);
profile.Rotate(AcadFuncs.GetVec(position, branch_position));
profile.BasePoint = CalculateBranchPos(position, branch_position, radius);
}
ents.Add(new PathInfo(profile.GetRegions().First(), profile.GetSubRegions().First(), new AcadDB.Line(tmp_pos, tmp_end_pos), tmp_bp));
}
return(ents);
}
public void Draw()
{
List <PathInfo> swept_paths = GetSweptPath();
AcadDB.SweepOptionsBuilder swept_options = new AcadDB.SweepOptionsBuilder();
swept_options.Align = AcadDB.SweepOptionsAlignOption.NoAlignment;
using (AcadDB.Transaction tr = AcadFuncs.GetActiveDB().TransactionManager.StartTransaction())
{
AcadDB.Solid3d union_sol3d = null;
AcadDB.Solid3d union_sub_sol3d = null;
foreach (var pi in swept_paths)
{
if (null != pi.sub_region)
{
AcadDB.Solid3d solid = new AcadDB.Solid3d();
swept_options.BasePoint = pi.start_position;
solid.CreateSweptSolid(pi.sub_region, pi.path, swept_options.ToSweepOptions());
if (null == union_sub_sol3d)
{
union_sub_sol3d = solid;
}
else
{
union_sub_sol3d.BooleanOperation(AcadDB.BooleanOperationType.BoolUnite, solid);
}
}
if (null != pi.region)
{
AcadDB.Solid3d solid = new AcadDB.Solid3d();
swept_options.BasePoint = pi.start_position;
solid.CreateSweptSolid(pi.region, pi.path, swept_options.ToSweepOptions());
if (null == union_sol3d)
{
union_sol3d = solid;
}
else
{
union_sol3d.BooleanOperation(AcadDB.BooleanOperationType.BoolUnite, solid);
}
}
}
union_sol3d.BooleanOperation(AcadDB.BooleanOperationType.BoolSubtract, union_sub_sol3d);
if (!(this is Straight))
{
union_sol3d.ColorIndex = 1;
}
AcadFuncs.AddNewEnt(union_sol3d);
tr.Commit();
}
}
private AcadGeo.Point3d CalculateCenter()
{
AcadGeo.Vector3d vec = AcadFuncs.GetVec(
CalculateBranchPos(position, main_branch_position, radius),
CalculateBranchPos(position, branch_position, radius));
AcadGeo.Point3d pos = position + AcadFuncs.GetVec(main_branch_position, position) * radius;
AcadGeo.Plane plane = new AcadGeo.Plane(pos, NormalVec().CrossProduct(vec));
return(position.Mirror(plane));
}
public void CalculateAngle()
{
AcadGeo.Vector3d vec1 = AcadFuncs.GetVec(branch_positions[0], position);
AcadGeo.Vector3d vec2 = AcadFuncs.GetVec(branch_positions[1], position);
if (vec1.IsParallelTo(vec2))
{
throw new Exception("Failed parse elbow");
}
angle = vec1.GetAngleTo(vec2);
}
private AcadGeo.Point3d CalculateCenter()
{
//AcadGeo.Vector3d vec = AcadFuncs.GetVec(
// CalculateBranchPos(position, branch_positions[0], radius, angle),
// CalculateBranchPos(position, branch_positions[1], radius, angle));
//AcadGeo.Point3d pos = position + AcadFuncs.GetVec(branch_positions[0], position) * (radius / Math.Sin(angle * 0.5));
//AcadGeo.Plane plane = new AcadGeo.Plane(pos, NormalVec().CrossProduct(vec));
//return position.Mirror(plane);
AcadGeo.Vector3d vec1 = AcadFuncs.GetVec(branch_positions[0], position);
AcadGeo.Vector3d vec2 = AcadFuncs.GetVec(branch_positions[1], position);
AcadGeo.Vector3d tmp_vec = new AcadGeo.Vector3d(
vec1.X + vec2.X, vec1.Y + vec2.Y, vec1.Z + vec2.Z);
tmp_vec = tmp_vec.GetNormal();
return(position + tmp_vec * (radius / Math.Sin(angle * 0.5)));
}
private double GetEndAngle(AcadGeo.Point3d pos, AcadGeo.Point3d center, AcadGeo.Vector3d ref_vec, AcadGeo.Vector3d up_vec)
{
AcadGeo.Vector3d vec = AcadFuncs.GetVec(CalculateBranchPos(pos, branch_position, radius), center);
return(ref_vec.GetAngleTo(vec, up_vec));
}
private static AcadGeo.Point3d CalculateBranchPos(AcadGeo.Point3d pos, AcadGeo.Point3d tmp_bp, double radius)
{
return(pos + AcadFuncs.GetVec(tmp_bp, pos) * radius);
}
private static AcadGeo.Point3d CalculateBranchPos(AcadGeo.Point3d pos, AcadGeo.Point3d tmp_bp, double radius, double angle)
{
double len = radius / Math.Tan(angle * 0.5);
return(pos + AcadFuncs.GetVec(tmp_bp, pos) * len);
}
