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 #include <Moof/Drawable.hh>
  16 #include <Moof/Math.hh>
  17 #include <Moof/OpenGL.hh>
  18 #include <Moof/Ray.hh>
  19
  20
  21 // Frustum
  22 // Plane (can construct from Triangle<3>)
  23 // Ray
  24 // Shape<>
  25 // +- Line<>
  26 // +- Ball<>
  27 // |  Circle            <- Ball<2>
  28 // |  Sphere            <- Ball<3>
  29 // +- Box<>
  30 // |  Rectangle         <- Box<2>
  31 // |  Aabb                      <- Box<3>
  32 // +- Polygon<>
  33 // |  Triangle          <- Polygon<3>
  34 // +- Cylinder
  35 // +- Cone
  36
  37
  38 namespace Mf {
  39
  40
  41 template <int D>
  42 class Shape
  43 {
  44 public:
  45
  46         virtual ~Shape() {}
  47
  48         /**
  49          * Checks if this shape is intersected by a given ray.  If so, returns
  50          * the distance from the start of the ray to the shape and information
  51          * about the intersection via the 2nd parameter.  A negative value is
  52          * returned if there is no intersection.
  53          */
  54         virtual bool intersectRay(const Ray<D>& ray,
  55                                                           typename Ray<D>::Intersection& hit)
  56         {
  57                 return SCALAR(-1.0);
  58         }
  59 };
  60
  61
  62 } // namespace Mf
  63
  64 #endif // _MOOF_SHAPE_HH_
  65