/// <summary>
/// Create screw hat with extrusion operation
/// </summary>
/// "regPoly" here is abbreviation of Regular Polygon
/// Screw hat consists of base of hat (0.84 * H)
/// and rounded chamfer on the top (0.16 * H)
/// <returns>Extruded entity of hat for base part of screw</returns>
private ksEntity CreateHat()
{
// 0.1 Create muffler, which base point is (W3 / 5, W3 / 5)
var basePoint = -(_kompasApp.Parameters[0] / 5.0);
var mufflerParameters = new MufflerParameters();
mufflerParameters.Document3DPart = _kompasApp.ScrewPart;
mufflerParameters.Direction = Direction_Type.dtNormal;
mufflerParameters.BasePlaneAxis = Obj3dType.o3d_planeYOZ;
mufflerParameters.BasePlanePoint = new KompasPoint2D(basePoint, basePoint);
var mufflerManager = new Muffler(_kompasApp, mufflerParameters);
if (mufflerManager.LastErrorCode != ErrorCodes.OK)
{
LastErrorCode = mufflerManager.LastErrorCode;
return(null);
}
var mufflerExtrusion = mufflerManager.Extrusion;
if (mufflerExtrusion == null)
{
LastErrorCode = mufflerManager.LastErrorCode;
return(null);
}
// 1.1 Hat sketch
var regPolySketch = new KompasSketch(_kompasApp.ScrewPart, Obj3dType.o3d_planeYOZ);
if (regPolySketch.LastErrorCode != ErrorCodes.OK)
{
LastErrorCode = regPolySketch.LastErrorCode;
return(null);
}
var regPolySketchEdit = regPolySketch.BeginEntityEdit();
if (regPolySketchEdit == null)
{
LastErrorCode = regPolySketch.LastErrorCode;
return(null);
}
// Regular polygon center point
var regPolyPoint = new KompasPoint2D(0, 0);
// Regular polygon is base of hat
var regPolyParam = new RegularPolygonParameter(_kompasApp, 6, _kompasApp.Parameters[0] / 2.0, regPolyPoint); // W3
if (regPolySketchEdit.ksRegularPolygon(regPolyParam.FigureParam, 0) == 0)
{
LastErrorCode = ErrorCodes.Document2DRegPolyCreatingError;
return(null);
}
regPolySketch.EndEntityEdit();
// 1.2 Hat entity extrusion
// Screw hat height is equal to nut height
var extrusionParameters = new KompasExtrusionParameters(_kompasApp.ScrewPart, Obj3dType.o3d_baseExtrusion, regPolySketch.Entity, Direction_Type.dtReverse, _kompasApp.Parameters[4] * 0.84);
var regPolyExtrusion = new KompasExtrusion(extrusionParameters, ExtrusionType.ByEntity); // 0.84 * H
if (regPolyExtrusion.LastErrorCode != ErrorCodes.OK)
{
LastErrorCode = regPolyExtrusion.LastErrorCode;
return(null);
}
/* Main base face area is lower than parallel base face
* because of muffler partially overlaps main base face area,
* but not overlaps parallel base face area.
*/
regPolyExtrusion.BaseFaceAreaState = KompasFaces.BaseFaceAreaState.BaseFaceAreaLower;
var extruded = regPolyExtrusion.ExtrudedEntity;
if (extruded == null)
{
LastErrorCode = regPolyExtrusion.LastErrorCode;
return(null);
}
// 0.2 Delete muffler
if (!mufflerManager.DeleteDetail())
{
LastErrorCode = mufflerManager.LastErrorCode;
return(null);
}
// 1.3 Rounded chamfer in hat
var roundedChamferParameters = new RoundedChamferParameters();
roundedChamferParameters.Document3DPart = _kompasApp.ScrewPart;
roundedChamferParameters.RegularPolygonSketch = regPolySketch.Entity;
roundedChamferParameters.RegularPolygonParameters = regPolyParam;
roundedChamferParameters.BasePlanePoint = new KompasPoint2D(0.0, 0.0);
roundedChamferParameters.Direction = Direction_Type.dtNormal;
var roundedChamferManager = new RoundedChamfer(_kompasApp, roundedChamferParameters);
if (!roundedChamferManager.CreateDetail())
{
LastErrorCode = roundedChamferManager.LastErrorCode;
return(null);
}
return(extruded);
}
/// <summary>
/// Create rounded chamfers inside nut
/// </summary>
/// <param name="nutBasePoint">Nut base point</param>
/// <param name="regPolyParam">Regular polygon parameters</param>
/// <param name="nutBaseEntities">Nut base entities: sketch and extrusion</param>
/// <returns>Chamfers entities from left and right sides of nut</returns>
private ksEntity[] CreateNutChamferEntities(KompasPoint3D nutBasePoint, RegularPolygonParameter regPolyParam, ksEntity[] nutBaseEntities)
{
// 1.3 Nut rounded chamfers creation:
// 1.3.1 Right rounded chamfer
var rightChamferPoint = new KompasPoint2D(Math.Abs(nutBasePoint.Y), Math.Abs(nutBasePoint.Z));
// Nut width is equal to W3 (screw hat width)
var rightChamferRegPoly = new RegularPolygonParameter(_kompasApp, 6, _kompasApp.Parameters[0] / 2.0, rightChamferPoint);
if (rightChamferRegPoly == null)
{
LastErrorCode = rightChamferRegPoly.LastErrorCode;
return(null);
}
var rightChamferSketch = new KompasSketch(_kompasApp.NutPart, nutBaseEntities[1]);
if (rightChamferSketch.LastErrorCode != ErrorCodes.OK)
{
LastErrorCode = rightChamferSketch.LastErrorCode;
return(null);
}
var rightChamferParameters = new RoundedChamferParameters();
rightChamferParameters.Document3DPart = _kompasApp.NutPart;
rightChamferParameters.RegularPolygonSketch = rightChamferSketch.Entity;
rightChamferParameters.RegularPolygonParameters = rightChamferRegPoly;
rightChamferParameters.BasePlanePoint = rightChamferPoint;
rightChamferParameters.Direction = Direction_Type.dtNormal;
var rightChamferManager = new RoundedChamfer(_kompasApp, rightChamferParameters);
if (!rightChamferManager.CreateDetail())
{
LastErrorCode = rightChamferManager.LastErrorCode;
return(null);
}
if (rightChamferManager.LastErrorCode != ErrorCodes.OK)
{
LastErrorCode = rightChamferManager.LastErrorCode;
return(null);
}
var rightChamferEntity = rightChamferManager.Entity;
if (rightChamferEntity == null)
{
LastErrorCode = rightChamferManager.LastErrorCode;
return(null);
}
// 1.3.2 Left rounded chamfer
var leftChamferParameters = new RoundedChamferParameters();
leftChamferParameters.Document3DPart = _kompasApp.NutPart;
leftChamferParameters.RegularPolygonSketch = nutBaseEntities[0];
leftChamferParameters.RegularPolygonParameters = regPolyParam;
leftChamferParameters.BasePlanePoint = new KompasPoint2D(nutBasePoint.Y, nutBasePoint.Z);
leftChamferParameters.Direction = Direction_Type.dtNormal;
var leftChamferManager = new RoundedChamfer(_kompasApp, leftChamferParameters);
if (!leftChamferManager.CreateDetail())
{
LastErrorCode = leftChamferManager.LastErrorCode;
return(null);
}
if (leftChamferManager.LastErrorCode != ErrorCodes.OK)
{
LastErrorCode = leftChamferManager.LastErrorCode;
return(null);
}
var leftChamferEntity = leftChamferManager.Entity;
if (leftChamferEntity == null)
{
LastErrorCode = leftChamferManager.LastErrorCode;
return(null);
}
return(new ksEntity[2] {
leftChamferEntity, rightChamferEntity
});
}