Dogcows Code - chaz/yoink/blob - src/moof/shape.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_SHAPE_HH_
  11 #define _MOOF_SHAPE_HH_
  12
  13 #include <moof/drawable.hh>
  14 #include <moof/math.hh>
  15 #include <moof/opengl.hh>
  16 #include <moof/ray.hh>
  17
  18
  19 /**
  20  * \file shape.hh
  21  * Declares an interface for shapes.
  22  */
  23
  24 // frustum
  25 // plane (can construct from triangle2)
  26 // ray
  27 // shape<>
  28 // +- line<>
  29 // -   line2            line<2>
  30 // -   line3            line<3>
  31 // +- sphere<>
  32 // |   sphere2, circle  sphere<2>
  33 // |   sphere3          sphere<3>
  34 // +- aabb<>
  35 // |   aabb2, rectangle aabb<2>
  36 // |   aabb3            aabb<3>
  37 // +- polygon<>
  38 // |   triangle2        polygon<2,3>
  39 // |   triangle3        polygon<3,3>
  40
  41
  42 namespace moof {
  43
  44
  45 template <int D>
  46 class shape
  47 {
  48 public:
  49
  50         virtual ~shape() {}
  51
  52         /**
  53          * Checks if this shape is intersected by a given ray.  If so, returns
  54          * the distance from the start of the ray to the shape and information
  55          * about the contact via the 2nd parameter.  A negative value is
  56          * returned if there is no contact.
  57          */
  58         virtual bool intersect_ray(const ray<D>& ray,
  59                         typename moof::ray<D>::contact& hit) const
  60         {
  61                 return false;
  62         }
  63 };
  64
  65 typedef shape<2> shape2;
  66 typedef shape<3> shape3;
  67
  68
  69 } // namespace moof
  70
  71 #endif // _MOOF_SHAPE_HH_
  72