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Significant Change: FaceCrease bit removed and added FaceEdge Selection Bit 

The Crease bit was never seriously used and in many cases we mis-used the faux edge bit at its place. Now has a more significant name  and can be used in practice to mark/select edges over a mesh (without explicitly storing them).
This commit is contained in:
Paolo Cignoni 2018-05-05 00:32:26 +02:00
parent 21d49e900e
commit 8bb8e59218
1 changed files with 11 additions and 10 deletions
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21
vcg/simplex/face/base.h
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@ -110,10 +110,11 @@ public:
NORMX = 0x00000200, NORMX = 0x00000200,
NORMY = 0x00000400, NORMY = 0x00000400,
NORMZ = 0x00000800, NORMZ = 0x00000800,
// Crease _flags, it is assumed that CREASEi = CREASE0<<i // Face-Edge Selection Flags
CREASE0 = 0x00008000, FACEEDGESEL0 = 0x00008000,
CREASE1 = 0x00010000, FACEEDGESEL1 = 0x00010000,
CREASE2 = 0x00020000, FACEEDGESEL2 = 0x00020000,
FACEEDGESEL012 = FACEEDGESEL0 | FACEEDGESEL1 | FACEEDGESEL2 ,
// Faux edges. (semantics: when a mesh is polygonal, edges which are inside a polygonal face are "faux" // Faux edges. (semantics: when a mesh is polygonal, edges which are inside a polygonal face are "faux"
FAUX0 = 0x00040000, FAUX0 = 0x00040000,
FAUX1 = 0x00080000, FAUX1 = 0x00080000,
@ -175,12 +176,12 @@ public:
/// This funcion execute the inverse operation of SetS() /// This funcion execute the inverse operation of SetS()
void ClearB(int i) {this->Flags() &= (~(BORDER0<<i));} void ClearB(int i) {this->Flags() &= (~(BORDER0<<i));}
/// This function checks if the face is selected /// This function checks if the i-th face-edge is selected
bool IsCrease(int i) const {return (this->cFlags() & (CREASE0<<i)) != 0;} bool IsFaceEdgeS(int i) const {return (this->cFlags() & (FACEEDGESEL0<<i)) != 0;}
/// This function select the face /// This function select the i-th face-edge
void SetCrease(int i){this->Flags() |=(CREASE0<<i);} void SetFaceEdgeS(int i){this->Flags() |=(FACEEDGESEL0<<i);}
/// This funcion execute the inverse operation of SetS() /// This function de-select the i-th face-edge
void ClearCrease(int i) {this->Flags() &= (~(CREASE0<<i));} void ClearFaceEdgeS(int i) {this->Flags() &= (~(FACEEDGESEL0<<i));}
/// This function checks if a given side of the face is a feature/internal edge /// This function checks if a given side of the face is a feature/internal edge
/// it is used by some importer to mark internal /// it is used by some importer to mark internal