text: // Geometric Tools, LLC
  // Copyright (c) 1998-2014
  // Distributed under the Boost Software License, Version 1.0.
  // http://www.boost.org/LICENSE_1_0.txt
  // http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
  //
  // File Version: 5.0.0 (2010/01/01)
  
  #ifndef POLYHEDRONDISTANCE_H
  #define POLYHEDRONDISTANCE_H
  
  #include "Wm5WindowApplication3.h"
  using namespace Wm5;
  
  class PolyhedronDistance : public WindowApplication3
  {
      WM5_DECLARE_INITIALIZE;
      WM5_DECLARE_TERMINATE;
  
  public:
      PolyhedronDistance ();
  
      virtual bool OnInitialize ();
      virtual void OnTerminate ();
      virtual void OnIdle ();
      virtual bool OnKeyDown (unsigned char key, int x, int y);
  
  protected:
      void CreateScene ();
      TriMesh* CreateTetra (float size, bool isBlack);
      Polysegment* CreateSegment ();
      TriMesh* CreatePlane ();
      void UpdateSegments ();
      bool ApplyTransform (unsigned char key);
  
      // Representation of bodies.
      Tuple<3,int>* mFaces;
      TriMesh* mTetras[4];
  
      // Display variables.
      float mSeparation;
      float mEdgeLength;
      float mSmall;
  
      // Offsets during calculation with LCPPolyDist to ensure that all of the
      // vertices are in the first octant.
      float mOffsetMagnitude;
   
      // The scene graph.
      NodePtr mScene;
      WireStatePtr mWireState;
      PolysegmentPtr mSegments[2];
      Culler mCuller;
  
      Float4 mTextColor;
  };
  
  WM5_REGISTER_INITIALIZE(PolyhedronDistance);
  WM5_REGISTER_TERMINATE(PolyhedronDistance);
  
  #endif
  