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

   1
   2 /*]  Copyright (c) 2009-2011, Charles McGarvey  [*****************************
   3 **]  All rights reserved.
   4 *
   5 * Distributable under the terms and conditions of the 2-clause BSD license;
   6 * see the file COPYING for a complete text of the license.
   7 *
   8 *****************************************************************************/
   9
  10 #ifndef _MOOF_CULLABLE_HH_
  11 #define _MOOF_CULLABLE_HH_
  12
  13 /**
  14  * \file cullable.hh
  15  * Representation for an object that may or may not be visible.
  16  */
  17
  18
  19 namespace moof {
  20
  21
  22 // forward declarations
  23 class frustum;
  24
  25 /**
  26  * Interface for anything that can be culled.
  27  */
  28 class cullable
  29 {
  30 public:
  31
  32         virtual ~cullable() {}
  33
  34         virtual bool is_visible(const frustum& frustum) const
  35         {
  36                 // unless determined otherwise, assume visible
  37                 return true;
  38         }
  39 };
  40
  41
  42 } // namespace moof
  43
  44 #endif // _MOOF_CULLABLE_HH_
  45