[Plib-cvs] CVS: plib/src/ssg ssgVtxTable.cxx,1.26,1.27

[M?rten Str?m. <str...@us...>]

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) ) ;