Update of /cvsroot/plib/plib/src/ssg
In directory usw-pr-cvs1:/tmp/cvs-serv16016/src/ssg
Modified Files:
ssgVtxTable.cxx
Log Message:
Added documentation for sgClassifyMat4.
Index: ssgVtxTable.cxx
===================================================================
RCS file: /cvsroot/plib/plib/src/ssg/ssgVtxTable.cxx,v
retrieving revision 1.26
retrieving revision 1.27
diff -u -d -r1.26 -r1.27
--- ssgVtxTable.cxx 2001/12/16 18:45:45 1.26
+++ ssgVtxTable.cxx 2002/01/25 16:28:00 1.27
@@ -313,26 +313,20 @@
sgMat4 w ;
- if ( ( flags & ( SG_MIRROR | SG_UNIFORM_SCALE | SG_GENERAL_SCALE | SG_NONORTHO ) ) )
+ if ( ( flags & ( SG_SCALE | SG_MIRROR | SG_NONORTHO ) ) )
{
- if ( ( flags & ( SG_GENERAL_SCALE | SG_NONORTHO ) ) )
+ if ( ( flags & SG_NONORTHO ) )
{
// use the transposed adjoint matrix (only the upper 3x3 is needed)
- w[0][0] = m[1][1] * m[2][2] - m[1][2] * m[2][1] ;
- w[0][1] = m[1][2] * m[2][0] - m[1][0] * m[2][2] ;
- w[0][2] = m[1][0] * m[2][1] - m[1][1] * m[2][0] ;
- w[1][0] = m[2][1] * m[0][2] - m[2][2] * m[0][1] ;
- w[1][1] = m[2][2] * m[0][0] - m[2][0] * m[0][2] ;
- w[1][2] = m[2][0] * m[0][1] - m[2][1] * m[0][0] ;
- w[2][0] = m[0][1] * m[1][2] - m[0][2] * m[1][1] ;
- w[2][1] = m[0][2] * m[1][0] - m[0][0] * m[1][2] ;
- w[2][2] = m[0][0] * m[1][1] - m[0][1] * m[1][0] ;
+ sgVectorProductVec3 ( w[0], m[1], m[2] ) ;
+ sgVectorProductVec3 ( w[1], m[2], m[0] ) ;
+ sgVectorProductVec3 ( w[2], m[0], m[1] ) ;
}
else
{
SGfloat scale = SG_ONE ;
- if ( ( flags & SG_UNIFORM_SCALE ) )
+ if ( ( flags & SG_SCALE ) )
{
// prescale matrix to avoid renormalisation
scale = scale / sgLengthVec3 ( m[0] ) ;
@@ -357,7 +351,7 @@
sgXformVec3 ( normals->get(i), normals->get(i), m ) ;
- if ( ( flags & ( SG_GENERAL_SCALE | SG_NONORTHO ) ) )
+ if ( ( flags & SG_NONORTHO ) )
{
for ( i = 0 ; i < getNumNormals() ; i++ )
sgNormaliseVec3 ( normals->get(i) ) ;
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