basic/opengl/GL_Frame.cpp

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//## begin module%3731DD4E010E.cm preserve=no
//        %X% %Q% %Z% %W%
//## end module%3731DD4E010E.cm

//## begin module%3731DD4E010E.cp preserve=no
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//## Module: GL_Frame%3731DD4E010E; Pseudo Package body
//## Source file: E:\mpk\code\OpenGL\GL_Frame.cpp

//## begin module%3731DD4E010E.additionalIncludes preserve=no
//## end module%3731DD4E010E.additionalIncludes

//## begin module%3731DD4E010E.includes preserve=yes
#include "glos.h"
#include <gl\gl.h>
#include <assert.h>
//## end module%3731DD4E010E.includes

// GL_Frame
#include "OpenGL\GL_Frame.h"
//## begin module%3731DD4E010E.additionalDeclarations preserve=yes
//## end module%3731DD4E010E.additionalDeclarations


// Class GL_Frame 


GL_Frame::GL_Frame (Matrix4x4 right, bool bShow)
  //## begin GL_Frame::GL_Frame%926014531.hasinit preserve=no
      : axisLength(3.0)
  //## end GL_Frame::GL_Frame%926014531.hasinit
  //## begin GL_Frame::GL_Frame%926014531.initialization preserve=yes
  ,Matrix4x4( right )
  ,showFrame(bShow)
  //## end GL_Frame::GL_Frame%926014531.initialization
{
  //## begin GL_Frame::GL_Frame%926014531.body preserve=yes
  //## end GL_Frame::GL_Frame%926014531.body
}


GL_Frame::~GL_Frame()
{
  //## begin GL_Frame::~GL_Frame%.body preserve=yes
  //## end GL_Frame::~GL_Frame%.body
}



//## Other Operations (implementation)
void GL_Frame::GLDraw () const
{
        //## begin GL_Frame::GLDraw%926014530.body preserve=yes

        ::glLineWidth( 3.0 );

        double numbers[ 16 ] ;
        for( int i = 0; i < 16; i++ ) 
        {
                numbers[ i ] = values[ i % 4 ][ i / 4 ] ;               //IMPROVE: all this assigning could be slow
        }
        glMultMatrixd( numbers ) ;

        unsigned char lighting ;
        unsigned char blend ;
        
        glGetBooleanv( GL_LIGHTING, &lighting ) ;
        glGetBooleanv( GL_BLEND, &blend ) ;

        glDisable( GL_LIGHTING ) ;
        //glDisable( GL_BLEND ) ;

        if (showFrame)
        {
                const float alpha = float( 0.3 ) ;
                glBegin( GL_LINES ) ;
                        glColor4d( 1.0, 0.0, 0.0, alpha ) ;
                        glVertex3d( 0.0, 0.0, 0.0) ;
                        glVertex3d( axisLength, 0.0, 0.0 ) ;

                        glColor4d( 0.0, 1.0, 0.0, alpha ) ;
                        glVertex3d( 0.0, 0.0, 0.0) ;
                        glVertex3d( 0.0, axisLength, 0.0 ) ;

                        glColor4d( 0.0, 0.0, 1.0, alpha ) ;
                        glVertex3d( 0.0, 0.0, 0.0) ;
                        glVertex3d( 0.0, 0.0, axisLength ) ;
                glEnd() ;
        }
        
        if( lighting )
        {
                glEnable( GL_LIGHTING ) ;
        }
        if( blend )
        {
                glEnable( GL_BLEND ) ;
        }
  //## end GL_Frame::GLDraw%926014530.body
}

bool GL_Frame::DrawExplicit () const
{
  //## begin GL_Frame::DrawExplicit%950480123.body preserve=yes
        assert( false ) ;
        return false ;
  //## end GL_Frame::DrawExplicit%950480123.body
}

// Additional Declarations
  //## begin GL_Frame%3731DD4E010E.declarations preserve=yes
  //## end GL_Frame%3731DD4E010E.declarations

//## begin module%3731DD4E010E.epilog preserve=yes
//## end module%3731DD4E010E.epilog

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