Dogcows Code - chaz/yoink/blob - src/moof/cullable.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_CULLABLE_HH_
  13 #define _MOOF_CULLABLE_HH_
  14
  15 /**
  16  * \file cullable.hh
  17  * Representation for an object that may or may not be visible.
  18  */
  19
  20
  21 namespace moof {
  22
  23
  24 class frustum;
  25
  26 /**
  27  * Interface for anything that can be culled.
  28  */
  29
  30 class cullable
  31 {
  32 public:
  33         virtual ~cullable() {}
  34
  35         virtual bool is_visible(const frustum& frustum) const
  36         {
  37                 // unless determined otherwise, assume visible
  38                 return true;
  39         }
  40 };
  41
  42
  43 } // namespace moof
  44
  45 #endif // _MOOF_CULLABLE_HH_
  46