void
MakeTwistedCubeFaces(ON_Brep& brep)
{
MakeTwistedCubeFace(brep,
ABCD, // index of surface geometry
+1, // orientation of surface w.r.t. brep
A, B, C, D, // indices of vertices listed in order
AB, +1, // south edge, orientation w.r.t. trimming curve?
BC, +1, // east edge, orientation w.r.t. trimming curve?
CD, +1,
AD, -1);
MakeTwistedCubeFace(brep,
BFGC, // index of surface geometry
+1, // orientation of surface w.r.t. brep
B, F, G, C, // indices of vertices listed in order
BF, +1, // south edge, orientation w.r.t. trimming curve?
FG, +1, // east edge, orientation w.r.t. trimming curve?
CG, -1,
BC, -1);
// ok, i think I understand the trimming curve orientation
// thingie. maybe. since the edge "directions" are arbitrary
// (e.g. AD instead of DA (which would be more appropriate)) one
// must indicate that the direction with relation to the trimming
// curve (which only goes in ONE direction) - 1="in the same
// direction" and -1="in the opposite direction"
MakeTwistedCubeFace(brep,
FEHG, // index of surface geometry
+1, // orientation of surface w.r.t. brep
F, E, H, G, // indices of vertices listed in order
EF, -1, // south edge, orientation w.r.t. trimming curve?
EH, +1, // east edge, orientation w.r.t. trimming curve?
GH, -1,
FG, -1);
MakeTwistedCubeFace(brep,
EADH, // index of surface geometry
+1, // orientation of surface w.r.t. brep
E, A, D, H, // indices of vertices listed in order
AE, -1, // south edge, orientation w.r.t. trimming curve?
AD, +1, // east edge, orientation w.r.t. trimming curve?
DH, +1,
EH, -1);
MakeTwistedCubeFace(brep,
EFBA, // index of surface geometry
+1, // orientation of surface w.r.t. brep
E, F, B, A, // indices of vertices listed in order
EF, +1, // south edge, orientation w.r.t. trimming curve?
BF, -1, // east edge, orientation w.r.t. trimming curve?
AB, -1,
AE, +1);
MakeTwistedCubeFace(brep,
DCGH, // index of surface geometry
+1, // orientation of surface w.r.t. brep
D, C, G, H, // indices of vertices listed in order
CD, -1, // south edge, orientation w.r.t. trimming curve?
CG, +1, // east edge, orientation w.r.t. trimming curve?
GH, +1,
DH, -1);
}
static void MakeTwistedCubeFaces( ON_Brep& brep )
{
MakeTwistedCubeFace( brep,
ABCD, // Index of surface ABCD
+1, // orientation of surface with respect to brep
//A, B, C, D, // Indices of vertices listed in SW,SE,NW,NE order
AB,+1, // South side edge and its orientation with respect to
// to the trimming curve. (AB)
BC,+1, // South side edge and its orientation with respect to
// to the trimming curve. (BC)
CD,+1, // South side edge and its orientation with respect to
// to the trimming curve (CD)
AD,-1 // South side edge and its orientation with respect to
// to the trimming curve (AD)
);
MakeTwistedCubeFace( brep,
BCGF, // Index of surface BCGF
-1, // orientation of surface with respect to brep
//B, C, G, F, // Indices of vertices listed in SW,SE,NW,NE order
BC,+1, // South side edge and its orientation with respect to
// to the trimming curve. (BC)
CG,+1, // South side edge and its orientation with respect to
// to the trimming curve. (CG)
FG,-1, // South side edge and its orientation with respect to
// to the trimming curve (FG)
BF,-1 // South side edge and its orientation with respect to
// to the trimming curve (BF)
);
MakeTwistedCubeFace( brep,
CDHG, // Index of surface CDHG
-1, // orientation of surface with respect to brep
//C, D, H, G, // Indices of vertices listed in SW,SE,NW,NE order
CD,+1, // South side edge and its orientation with respect to
// to the trimming curve. (CD)
DH,+1, // South side edge and its orientation with respect to
// to the trimming curve. (DH)
GH,-1, // South side edge and its orientation with respect to
// to the trimming curve (GH)
CG,-1 // South side edge and its orientation with respect to
// to the trimming curve (CG)
);
MakeTwistedCubeFace( brep,
ADHE, // Index of surface ADHE
+1, // orientation of surface with respect to brep
//A, D, H, E, // Indices of vertices listed in SW,SE,NW,NE order
AD,+1, // South side edge and its orientation with respect to
// to the trimming curve. (AD)
DH,+1, // South side edge and its orientation with respect to
// to the trimming curve. (DH)
EH,-1, // South side edge and its orientation with respect to
// to the trimming curve (EH)
AE,-1 // South side edge and its orientation with respect to
// to the trimming curve (AE)
);
MakeTwistedCubeFace( brep,
ABFE, // Index of surface ABFE
-1, // orientation of surface with respect to brep
//A, B, F, E, // Indices of vertices listed in SW,SE,NW,NE order
AB,+1, // South side edge and its orientation with respect to
// to the trimming curve. (AB)
BF,+1, // South side edge and its orientation with respect to
// to the trimming curve. (BF)
EF,-1, // South side edge and its orientation with respect to
// to the trimming curve (EF)
AE,-1 // South side edge and its orientation with respect to
// to the trimming curve (AE)
);
MakeTwistedCubeFace( brep,
EFGH, // Index of surface EFGH
-1, // orientation of surface with respect to brep
//E, F, G, H, // Indices of vertices listed in SW,SE,NW,NE order
EF,+1, // South side edge and its orientation with respect to
// to the trimming curve. (EF)
FG,+1, // South side edge and its orientation with respect to
// to the trimming curve. (FG)
GH,+1, // South side edge and its orientation with respect to
// to the trimming curve (GH)
EH,-1 // South side edge and its orientation with respect to
// to the trimming curve (EH)
);
}
