G4OpenGLTransform3D.cc

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// Andrew Walkden  24th October 1996
// G4OpenGLTransform3D provides OpenGL style transformation matrix
// from G4Transform3D.
 
#include "G4OpenGLTransform3D.hh"
 
G4OpenGLTransform3D::G4OpenGLTransform3D (const G4Transform3D &t)
{
  GLdouble *p = m;
  for (size_t i=0; i<4; i++)
  { 
    for (size_t k=0; k<3; k++)
    {
      *p++ = t(k,i);
    }
    *p++ = 0.; 
  } 
  m[15] = 1.; 
}