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