Dogcows Code - chaz/yoink/blob - src/moof/contact.hh

   1
   2 /*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
   3 **]  All rights reserved.
   4 *
   5 * vi:ts=4 sw=4 tw=75
   6 *
   7 * Distributable under the terms and conditions of the 2-clause BSD license;
   8 * see the file COPYING for a complete text of the license.
   9 *
  10 **************************************************************************/
  11
  12 #ifndef _MOOF_CONTACT_HH_
  13 #define _MOOF_CONTACT_HH_
  14
  15 /**
  16  * \file contact.hh
  17  * Represents a collision between entities.
  18  */
  19
  20 #include <moof/math.hh>
  21
  22
  23 namespace moof {
  24
  25
  26 template <int D = 3>
  27 struct contact
  28 {
  29         typedef moof::vector< scalar, fixed<D> > vector;
  30
  31         vector  point;                  // point of contact
  32         scalar  distance;               // distance of penetration
  33         vector  normal;                 // normal of surface at point of contact
  34
  35         bool operator < (const contact& rhs)
  36         {
  37                 return distance < rhs.distance;
  38         }
  39 };
  40
  41
  42 } // namespace moof
  43
  44 #endif // _MOOF_CONTACT_HH_
  45