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 namespace moof {
  19
  20
  21 // forward declarations
  22 class frustum;
  23
  24 /**
  25  * Interface for anything that can be culled.
  26  */
  27 class cullable
  28 {
  29 public:
  30
  31         virtual ~cullable() {}
  32
  33         virtual bool is_visible(const frustum& frustum) const
  34         {
  35                 // unless determined otherwise, assume visible
  36                 return true;
  37         }
  38 };
  39
  40
  41 } // namespace moof
  42
  43 #endif // _MOOF_CULLABLE_HH_
  44