Dogcows Code - chaz/yoink/blob - src/moof/shape.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_SHAPE_HH_
  13 #define _MOOF_SHAPE_HH_
  14
  15 /**
  16  * \file shape.hh
  17  * Declares an interface for shapes.
  18  */
  19
  20 #include <moof/drawable.hh>
  21 #include <moof/math.hh>
  22 #include <moof/opengl.hh>
  23 #include <moof/ray.hh>
  24
  25
  26 // frustum
  27 // plane (can construct from triangle2)
  28 // ray
  29 // shape<>
  30 // +- line<>
  31 // -   line2                    line<2>
  32 // -   line3                    line<3>
  33 // +- sphere<>
  34 // |   sphere2, circle  sphere<2>
  35 // |   sphere3                  sphere<3>
  36 // +- aabb<>
  37 // |   aabb2, rectangle aabb<2>
  38 // |   aabb3                    aabb<3>
  39 // +- polygon<>
  40 // |   triangle2                polygon<2,3>
  41 // |   triangle3                polygon<3,3>
  42
  43
  44 namespace moof {
  45
  46
  47 template <int D>
  48 class shape
  49 {
  50 public:
  51
  52         virtual ~shape() {}
  53
  54         /**
  55          * Checks if this shape is intersected by a given ray.  If so, returns
  56          * the distance from the start of the ray to the shape and information
  57          * about the contact via the 2nd parameter.  A negative value is
  58          * returned if there is no contact.
  59          */
  60         virtual bool intersect_ray(const ray<D>& ray,
  61                                                            typename ray<D>::contact& hit) const
  62         {
  63                 return false;
  64         }
  65 };
  66
  67
  68 typedef shape<2>        shape2;
  69 typedef shape<3>        shape3;
  70
  71
  72 } // namespace moof
  73
  74 #endif // _MOOF_SHAPE_HH_
  75