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Some minor optimizations

This commit is contained in:
Paolo Cignoni 2006-05-18 13:59:20 +00:00
parent 323c43074a
commit b24b496f50
1 changed files with 11 additions and 2 deletions
vcg/complex/trimesh
clustering.h

13
vcg/complex/trimesh/clustering.h
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@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.1 2006/05/16 21:56:06 cignoni
First working Version
****************************************************************************/ ****************************************************************************/
#ifndef __VCGLIB_CLUSTERING #ifndef __VCGLIB_CLUSTERING
@ -77,6 +80,9 @@ public:
{return Hash();} {return Hash();}
}; };
//
template<class MeshType> template<class MeshType>
class AverageCell class AverageCell
{ {
@ -86,7 +92,9 @@ class AverageCell
inline void Add(MeshType &m, FaceType &f, int i) inline void Add(MeshType &m, FaceType &f, int i)
{ {
p+=f.cV(i)->cP(); p+=f.cV(i)->cP();
n+=f.cV(i)->cN(); // we prefer to use the un-normalized face normal so small faces facing away are dropped out
// and the resulting average is weighed with the size of the faces falling here.
n+=f.cN();
cnt++; cnt++;
} }
AverageCell(): p(0,0,0), n(0,0,0),cnt(0){} AverageCell(): p(0,0,0), n(0,0,0),cnt(0){}
@ -213,8 +221,9 @@ class Clustering
if( N*(*ti).v[0]->n <0) ++badOrient; if( N*(*ti).v[0]->n <0) ++badOrient;
if( N*(*ti).v[1]->n <0) ++badOrient; if( N*(*ti).v[1]->n <0) ++badOrient;
if( N*(*ti).v[2]->n <0) ++badOrient; if( N*(*ti).v[2]->n <0) ++badOrient;
if(badOrient>=2) if(badOrient>2)
swap(m.face[i].V(0),m.face[i].V(1)); swap(m.face[i].V(0),m.face[i].V(1));
i++; i++;
} }