triangle.hh

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// -*- mode:c++;tab-width:2;indent-tabs-mode:t;show-trailing-whitespace:t;rm-trailing-spaces:t -*-
// vi: set ts=2 noet:
//
// (c) Copyright Rosetta Commons Member Institutions.
// (c) This file is part of the Rosetta software suite and is made available under license.
// (c) The Rosetta software is developed by the contributing members of the Rosetta Commons.
// (c) For more information, see http://www.rosettacommons.org. Questions about this can be
// (c) addressed to University of Washington UW TechTransfer, email: license@u.washington.edu.

/// @file
/// @brief
/// @author


#ifndef INCLUDED_protocols_viewer_triangle_hh
#define INCLUDED_protocols_viewer_triangle_hh

#include <numeric/xyzMatrix.fwd.hh>
// AUTO-REMOVED #include <numeric/xyzVector.io.hh>
#include <numeric/xyzVector.hh>



namespace protocols {
namespace viewer {


// 88 bytes
class triangle {
public:
  triangle() {
    depth_ = 0;
  }

  triangle( const numeric::xyzVector<float> vertices[], const numeric::xyzVector<float> normals[] ) {
    for (int i=0; i<3; ++i) {
      for (int j=0; j<3; ++j) {
        vertices_[i][j] = (float)vertices[i][j];
        normals_[i][j] = (float)normals[i][j];
      }
    }
    center_ = 0.33333f * (vertices_[0]+vertices_[1]+vertices_[2]);
    depth_ = 0;

  }

  triangle( const numeric::xyzVector<double> vertices[], const numeric::xyzVector<double> normals[] ) {
    for (int i=0; i<3; ++i) {
      for (int j=0; j<3; ++j) {
        vertices_[i][j] = (float)vertices[i][j];
        normals_[i][j] = (float)normals[i][j];
      }
    }
    center_ = 0.33333f * (vertices_[0]+vertices_[1]+vertices_[2]);
    depth_ = 0;
  }

  // ASSUMES zdir IS NORMALIZED!!!!!!!
  void update( const numeric::xyzVector_float &zdir ) {
    //depth_ = numeric::dot( center_, zdir );
    depth_ = center_.x() * zdir.x() + center_.y()*zdir.y() + center_.z()*zdir.z();
  }

  float depth_;
  numeric::xyzVector_float center_;
  numeric::xyzVector_float vertices_[3], normals_[3];
};

}
}

#endif