basic/opengl/GL_Box.cpp

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//## begin module%3872901502F0.cm preserve=no
//        %X% %Q% %Z% %W%
//## end module%3872901502F0.cm

//## begin module%3872901502F0.cp preserve=no
//## end module%3872901502F0.cp

//## Module: GL_Box%3872901502F0; Pseudo Package body
//## Source file: C:\project\mpk\code\OpenGL\GL_Box.cpp

//## begin module%3872901502F0.additionalIncludes preserve=no
//## end module%3872901502F0.additionalIncludes

//## begin module%3872901502F0.includes preserve=yes
#include <assert.h>
#include "glos.h"
#include <gl/gl.h>
//## end module%3872901502F0.includes

// GL_Box
#include "OpenGL\GL_Box.h"
//## begin module%3872901502F0.additionalDeclarations preserve=yes
//## end module%3872901502F0.additionalDeclarations


// Class GL_Box 

GL_Box::GL_Box (FrameManager* frameManager)
  //## begin GL_Box::GL_Box%947024876.hasinit preserve=no
  //## end GL_Box::GL_Box%947024876.hasinit
  //## begin GL_Box::GL_Box%947024876.initialization preserve=yes
  :
        MPK_Box( frameManager ) 
  //## end GL_Box::GL_Box%947024876.initialization
{
  //## begin GL_Box::GL_Box%947024876.body preserve=yes
  //## end GL_Box::GL_Box%947024876.body
}

GL_Box::GL_Box (const GL_Box& right)
  //## begin GL_Box::GL_Box%947024877.hasinit preserve=no
  //## end GL_Box::GL_Box%947024877.hasinit
  //## begin GL_Box::GL_Box%947024877.initialization preserve=yes
  :
        MPK_Box( right )
  //## end GL_Box::GL_Box%947024877.initialization
{
  //## begin GL_Box::GL_Box%947024877.body preserve=yes
  //## end GL_Box::GL_Box%947024877.body
}


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



//## Other Operations (implementation)
Entity* GL_Box::Clone () const
{
  //## begin GL_Box::Clone%947024879.body preserve=yes
        return new GL_Box( *this ) ;
  //## end GL_Box::Clone%947024879.body
}

bool GL_Box::DrawExplicit () const
{
  //## begin GL_Box::DrawExplicit%950474932.body preserve=yes
        GLdouble x = length / 2.0 ;
        GLdouble y = width      / 2.0 ;
        GLdouble z = height     / 2.0 ;
        GLdouble a[ 3 ] =       {       -x,     y, -z   } ;
        GLdouble b[ 3 ] =       {       -x, y, z        } ;
        GLdouble c[ 3 ] =       {       x,      y, z    } ;
        GLdouble d[ 3 ] =       {       x, y, -z        } ;
        GLdouble e[ 3 ] =       {       -x,     -y, -z  } ;
        GLdouble f[ 3 ] =       {       -x, -y, z       } ;
        GLdouble g[ 3 ] =       {       x,      -y, z   } ;
        GLdouble h[ 3 ] =       {       x, -y, -z       } ;

        static GLfloat up[ 3 ] =        {       0,      1,      0       } ;
        static GLfloat dn[ 3 ] =        {       0,      -1,     0       } ;
        static GLfloat fr[ 3 ] =        {       0,      0,      -1      } ;
        static GLfloat ba[ 3 ] =        {       0,      0,      1       } ;
        static GLfloat le[ 3 ] =        {       -1,     0,      0       } ;
        static GLfloat ri[ 3 ] =        {       1,      0,      0       } ;


        glPushMatrix() ;
                //improve this is the wrong matrix style
                Matrix4x4 intermediate = theFrame ;
//              double oneOverRoot3 = 1.0 / sqrt( 3 ) ;
//              intermediate.Rotate( Vector4( oneOverRoot3, -oneOverRoot3, oneOverRoot3 ), -360.0 / 3.0 ) ;     //need to compensate for the axis disparity

                Matrix4x4 transpose = intermediate.Transpose() ;
                ::glMultMatrixd( ( const double* )( transpose.values ) ) ;
        
                glBegin( GL_QUADS ) ;
                        //top
                        glNormal3fv( up ) ;
                        glVertex3dv( a ) ;
                        glVertex3dv( b ) ;
                        glVertex3dv( c ) ;
                        glVertex3dv( d ) ;

                        //bottom
                        glNormal3fv( dn ) ;
                        glVertex3dv( e ) ;
                        glVertex3dv( h ) ;
                        glVertex3dv( g ) ;
                        glVertex3dv( f ) ;

                        //front
                        glNormal3fv( fr ) ;
                        glVertex3dv( a ) ;
                        glVertex3dv( d ) ;
                        glVertex3dv( h ) ;
                        glVertex3dv( e ) ;

                        //back
                        glNormal3fv( ba ) ;
                        glVertex3dv( b ) ;
                        glVertex3dv( f ) ;
                        glVertex3dv( g ) ;
                        glVertex3dv( c ) ;

                        //left
                        glNormal3fv( le ) ;
                        glVertex3dv( b ) ;
                        glVertex3dv( a ) ;
                        glVertex3dv( e ) ;
                        glVertex3dv( f ) ;

                        //right
                        glNormal3fv( ri ) ;
                        glVertex3dv( d ) ;
                        glVertex3dv( c ) ;
                        glVertex3dv( g ) ;
                        glVertex3dv( h ) ;
                glEnd() ;
        glPopMatrix() ;
        return true ;
  //## end GL_Box::DrawExplicit%950474932.body
}

bool GL_Box::Verify() const
{
        return true;
}

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