-#include <Prs3d_Arrow.ixx>
+// Copyright (c) 1995-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <Prs3d_Arrow.hxx>
+
+#include <gp_Ax3.hxx>
+#include <gp_Dir.hxx>
+#include <gp_Pnt.hxx>
+#include <gp_Trsf.hxx>
+#include <Graphic3d_ArrayOfPolylines.hxx>
+#include <Graphic3d_ArrayOfSegments.hxx>
#include <Graphic3d_Group.hxx>
-#include <Graphic3d_Array1OfVertex.hxx>
+#include <Prs3d_Presentation.hxx>
+#include <Prs3d_ToolCylinder.hxx>
+#include <Prs3d_ToolDisk.hxx>
+#include <Prs3d_ToolSphere.hxx>
//=======================================================================
//function : Draw
//purpose :
//=======================================================================
-
-void Prs3d_Arrow::Draw(const Handle(Prs3d_Presentation)& aPresentation,
+void Prs3d_Arrow::Draw(const Handle(Graphic3d_Group)& theGroup,
const gp_Pnt& aLocation,
- const gp_Dir& aDirection,
+ const gp_Dir& aDirection,
const Quantity_PlaneAngle anAngle,
- const Quantity_Length aLength) {
-
+ const Quantity_Length aLength)
+{
Quantity_Length dx,dy,dz; aDirection.Coord(dx,dy,dz);
//
// Point of the arrow:
Quantity_Length Norme = sqrt ( xi*xi + yi*yi + zi*zi );
xi = xi / Norme; yi = yi / Norme; zi = zi/Norme;
- Quantity_Length xj = dy * zi - dz * yi;
- Quantity_Length yj = dz * xi - dx * zi;
- Quantity_Length zj = dx * yi - dy * xi;
-
- Standard_Integer NbPoints = 15;
+ const Quantity_Length xj = dy * zi - dz * yi;
+ const Quantity_Length yj = dz * xi - dx * zi;
+ const Quantity_Length zj = dx * yi - dy * xi;
- Graphic3d_Array1OfVertex VN(1,NbPoints+1);
- Graphic3d_Array1OfVertex V2(1,2);
- V2(1).SetCoord(xo,yo,zo);
+ const Standard_Integer NbPoints = 15;
- Quantity_Length x,y,z;
- Standard_Real cosinus,sinus, Tg=tan(anAngle);
+ Handle(Graphic3d_ArrayOfSegments) aPrims1 = new Graphic3d_ArrayOfSegments(2*NbPoints);
+ Handle(Graphic3d_ArrayOfPolylines) aPrims2 = new Graphic3d_ArrayOfPolylines(NbPoints+1);
- for (Standard_Integer i = 1 ; i <= NbPoints ; i++) {
+ gp_Pnt p1;
+ const Standard_Real Tg=tan(anAngle);
- cosinus = cos ( 2 * M_PI / NbPoints * (i-1) );
- sinus = sin ( 2 * M_PI / NbPoints * (i-1) );
+ for (Standard_Integer i = 1; i <= NbPoints ; i++)
+ {
+ const Standard_Real cosinus = cos ( 2 * M_PI / NbPoints * (i-1) );
+ const Standard_Real sinus = sin ( 2 * M_PI / NbPoints * (i-1) );
- x = xc + (cosinus * xi + sinus * xj) * aLength * Tg;
- y = yc + (cosinus * yi + sinus * yj) * aLength * Tg;
- z = zc + (cosinus * zi + sinus * zj) * aLength * Tg;
+ const gp_Pnt pp(xc + (cosinus * xi + sinus * xj) * aLength * Tg,
+ yc + (cosinus * yi + sinus * yj) * aLength * Tg,
+ zc + (cosinus * zi + sinus * zj) * aLength * Tg);
- VN(i).SetCoord(x,y,z);
- if(i==1) VN(NbPoints+1).SetCoord(x,y,z);
- V2(2).SetCoord(x,y,z);
- Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V2);
+ aPrims1->AddVertex(aLocation);
+ aPrims1->AddVertex(pp);
+ if(i==1) p1 = pp;
+ aPrims2->AddVertex(pp);
}
- Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VN);
-}
+ aPrims2->AddVertex(p1);
-//=======================================================================
-//function : Fill
-//purpose :
-//=======================================================================
+ theGroup->AddPrimitiveArray (aPrims1);
+ theGroup->AddPrimitiveArray (aPrims2);
+}
-void Prs3d_Arrow::Fill(const Handle(Prs3d_Presentation)& /*aPresentation*/,
- const gp_Pnt& /*aLocation*/,
- const gp_Dir& /*aDirection*/,
- const Quantity_PlaneAngle /*anAngle*/,
- const Quantity_Length /*aLength*/)
+// ============================================================================
+// function : DrawShaded
+// purpose :
+// ============================================================================
+Handle(Graphic3d_ArrayOfTriangles) Prs3d_Arrow::DrawShaded (const gp_Ax1& theAxis,
+ const Standard_Real theTubeRadius,
+ const Standard_Real theAxisLength,
+ const Standard_Real theConeRadius,
+ const Standard_Real theConeLength,
+ const Standard_Integer theNbFacettes)
{
+ const Standard_Real aTubeLength = Max (0.0, theAxisLength - theConeLength);
+ const Standard_Integer aNbTrisTube = (theTubeRadius > 0.0 && aTubeLength > 0.0)
+ ? Prs3d_ToolCylinder::TrianglesNb (theNbFacettes, 1)
+ : 0;
+ const Standard_Integer aNbTrisCone = (theConeRadius > 0.0 && theConeLength > 0.0)
+ ? (Prs3d_ToolDisk ::TrianglesNb (theNbFacettes, 1)
+ + Prs3d_ToolCylinder::TrianglesNb (theNbFacettes, 1))
+ : 0;
+
+ const Standard_Integer aNbTris = aNbTrisTube + aNbTrisCone;
+ if (aNbTris == 0)
+ {
+ return Handle(Graphic3d_ArrayOfTriangles)();
+ }
+
+ Handle(Graphic3d_ArrayOfTriangles) anArray = new Graphic3d_ArrayOfTriangles (aNbTris * 3, 0, Standard_True);
+ if (aNbTrisTube != 0)
+ {
+ gp_Ax3 aSystem (theAxis.Location(), theAxis.Direction());
+ gp_Trsf aTrsf;
+ aTrsf.SetTransformation (aSystem, gp_Ax3());
+
+ Prs3d_ToolCylinder aTool (theTubeRadius, theTubeRadius, aTubeLength, theNbFacettes, 1);
+ aTool.FillArray (anArray, aTrsf);
+ }
+
+ if (aNbTrisCone != 0)
+ {
+ gp_Pnt aConeOrigin = theAxis.Location().Translated (gp_Vec (theAxis.Direction().X() * aTubeLength,
+ theAxis.Direction().Y() * aTubeLength,
+ theAxis.Direction().Z() * aTubeLength));
+ gp_Ax3 aSystem (aConeOrigin, theAxis.Direction());
+ gp_Trsf aTrsf;
+ aTrsf.SetTransformation (aSystem, gp_Ax3());
+ {
+ Prs3d_ToolDisk aTool (0.0, theConeRadius, theNbFacettes, 1);
+ aTool.FillArray (anArray, aTrsf);
+ }
+ {
+ Prs3d_ToolCylinder aTool (theConeRadius, 0.0, theConeLength, theNbFacettes, 1);
+ aTool.FillArray (anArray, aTrsf);
+ }
+ }
+
+ return anArray;
}
projects / occt.git / blobdiff