Changeset 319 for experimental/distortionNG

Timestamp:

Sep 8, 2011, 7:19:51 PM (13 years ago)

Author:

Torben Dannhauer

Message:

 

File:

• experimental/distortionNG/extViewer.cpp (modified) (2 diffs)

experimental/distortionNG/extViewer.cpp

@@ -187 +187 @@
         geom->getOrCreateStateSet()->setMode(GL_CULL_FACE, osg::StateAttribute::OFF | osg::StateAttribute::PROTECTED);
 
-        for ( unsigned int row=0; row<rows; ++row )
+        for ( unsigned int row=0; row<rows; row++ )
         {
-                for ( unsigned int col=0; col<columns; ++col )
+                for ( unsigned int col=0; col<columns; col++ )
                 {
                         vertices->push_back( origin+dy*row+dx*col );
@@ -223 +223 @@
  //   geometry->addPrimitiveSet(elements);
 
-        for ( unsigned int row=0; row<rows; ++row )
+        for ( unsigned int row=0; row<rows-1; row++ )   // each strip consists of two affected vertex rows, so we need only row-1 strips.
         {
-                osg::ref_ptr<osg::DrawElementsUInt> de = new osg::DrawElementsUInt(GL_QUAD_STRIP, columns*2);
-                for ( unsigned int col=0; col<columns; ++col )
+                osg::ref_ptr<osg::DrawElementsUInt> de = new osg::DrawElementsUInt(GL_QUAD_STRIP, columns*2);   // columns*2 = number of involved vertices for this strip.
+                for ( unsigned int col=0; col<columns; col++ )
                 {
                         (*de)[col*2 + 0] = row*columns + col;