-#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(Graphic3d_Group)& theGroup,
+ const gp_Pnt& theLocation,
+ const gp_Dir& theDirection,
+ const Standard_Real theAngle,
+ const Standard_Real theLength)
+{
+ Handle(Graphic3d_ArrayOfSegments) aPrimitives = Prs3d_Arrow::DrawSegments(theLocation,
+ theDirection, theAngle, theLength, 15);
+ theGroup->AddPrimitiveArray (aPrimitives);
+}
-void Prs3d_Arrow::Draw(const Handle(Prs3d_Presentation)& aPresentation,
- const gp_Pnt& aLocation,
- const gp_Dir& aDirection,
- const Quantity_PlaneAngle anAngle,
- const Quantity_Length aLength) {
-
- Quantity_Length dx,dy,dz; aDirection.Coord(dx,dy,dz);
-//
-// Point of the arrow:
- Quantity_Length xo,yo,zo; aLocation.Coord(xo,yo,zo);
-
-// Center of the base circle of the arrow:
- Quantity_Length xc = xo - dx * aLength;
- Quantity_Length yc = yo - dy * aLength;
- Quantity_Length zc = zo - dz * aLength;
-
-// Construction of i,j mark for the circle:
- Quantity_Length xn=0., yn=0., zn=0.;
+//=======================================================================
+//function : DrawSegments
+//purpose :
+//=======================================================================
+Handle(Graphic3d_ArrayOfSegments) Prs3d_Arrow::DrawSegments (const gp_Pnt& theLocation,
+ const gp_Dir& theDir,
+ const Standard_Real theAngle,
+ const Standard_Real theLength,
+ const Standard_Integer theNbSegments)
+{
+ Handle(Graphic3d_ArrayOfSegments) aSegments = new Graphic3d_ArrayOfSegments (theNbSegments + 1, 2 * (2 * theNbSegments));
- if ( Abs(dx) <= Abs(dy) && Abs(dx) <= Abs(dz)) xn=1.;
- else if ( Abs(dy) <= Abs(dz) && Abs(dy) <= Abs(dx)) yn=1.;
- else zn=1.;
- Quantity_Length xi = dy * zn - dz * yn;
- Quantity_Length yi = dz * xn - dx * zn;
- Quantity_Length zi = dx * yn - dy * xn;
+ // center of the base circle of the arrow
+ const gp_XYZ aC = theLocation.XYZ() + theDir.XYZ() * (-theLength);
- Quantity_Length Norme = sqrt ( xi*xi + yi*yi + zi*zi );
- xi = xi / Norme; yi = yi / Norme; zi = zi/Norme;
+ // construction of i,j mark for the circle
+ gp_Dir aN;
+ if (Abs(theDir.X()) <= Abs(theDir.Y())
+ && Abs(theDir.X()) <= Abs(theDir.Z()))
+ {
+ aN = gp::DX();
+ }
+ else if (Abs(theDir.Y()) <= Abs(theDir.Z())
+ && Abs(theDir.Y()) <= Abs(theDir.X()))
+ {
+ aN = gp::DY();
+ }
+ else
+ {
+ aN = gp::DZ();
+ }
- Quantity_Length xj = dy * zi - dz * yi;
- Quantity_Length yj = dz * xi - dx * zi;
- Quantity_Length zj = dx * yi - dy * xi;
+ const gp_Dir anXYZi = theDir.Crossed (aN.XYZ());
+ const gp_XYZ anXYZj = theDir.XYZ().Crossed (anXYZi.XYZ());
+ aSegments->AddVertex (theLocation);
- Standard_Integer NbPoints = 15;
+ const Standard_Real Tg = Tan (theAngle);
+ for (Standard_Integer aVertIter = 1; aVertIter <= theNbSegments; ++aVertIter)
+ {
+ const Standard_Real aCos = Cos (2.0 * M_PI / theNbSegments * (aVertIter - 1));
+ const Standard_Real aSin = Sin (2.0 * M_PI / theNbSegments * (aVertIter - 1));
- Graphic3d_Array1OfVertex VN(1,NbPoints+1);
- Graphic3d_Array1OfVertex V2(1,2);
- V2(1).SetCoord(xo,yo,zo);
+ const gp_Pnt pp(aC.X() + (aCos * anXYZi.X() + aSin * anXYZj.X()) * theLength * Tg,
+ aC.Y() + (aCos * anXYZi.Y() + aSin * anXYZj.Y()) * theLength * Tg,
+ aC.Z() + (aCos * anXYZi.Z() + aSin * anXYZj.Z()) * theLength * Tg);
- Quantity_Length x,y,z;
- Standard_Real cosinus,sinus, Tg=tan(anAngle);
+ aSegments->AddVertex (pp);
+ }
- for (Standard_Integer i = 1 ; i <= NbPoints ; i++) {
+ Standard_Integer aNbVertices = theNbSegments + 1;
+ Standard_Integer aFirstContourVertex = 2;
+ Standard_Integer anEdgeCount = 0;
+ for (Standard_Integer aVertIter = aFirstContourVertex; aVertIter <= aNbVertices; ++aVertIter)
+ {
+ aSegments->AddEdge (1);
+ aSegments->AddEdge (aVertIter);
+ ++anEdgeCount;
+ }
+ aSegments->AddEdge (aNbVertices);
+ aSegments->AddEdge (aFirstContourVertex);
+ ++anEdgeCount;
+
+ for (Standard_Integer aVertIter = aFirstContourVertex; aVertIter <= aNbVertices - 1; ++aVertIter)
+ {
+ aSegments->AddEdge (aVertIter);
+ aSegments->AddEdge (aVertIter + 1);
+ ++anEdgeCount;
+ }
+ return aSegments;
+}
- cosinus = cos ( 2 * M_PI / NbPoints * (i-1) );
- sinus = sin ( 2 * M_PI / NbPoints * (i-1) );
+// ============================================================================
+// 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)();
+ }
- x = xc + (cosinus * xi + sinus * xj) * aLength * Tg;
- y = yc + (cosinus * yi + sinus * yj) * aLength * Tg;
- z = zc + (cosinus * zi + sinus * zj) * aLength * Tg;
+ 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());
- 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);
+ Prs3d_ToolCylinder aTool (theTubeRadius, theTubeRadius, aTubeLength, theNbFacettes, 1);
+ aTool.FillArray (anArray, aTrsf);
}
- Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VN);
-}
-//=======================================================================
-//function : Fill
-//purpose :
-//=======================================================================
+ 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);
+ }
+ }
-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*/)
-{
+ return anArray;
}
projects / occt.git / blobdiff