Panda3D

collisionPlane.h

00001 // Filename: collisionPlane.h
00002 // Created by:  drose (25Apr00)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef COLLISIONPLANE_H
00016 #define COLLISIONPLANE_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "collisionSolid.h"
00021 
00022 #include "luse.h"
00023 #include "plane.h"
00024 
00025 ////////////////////////////////////////////////////////////////////
00026 //       Class : CollisionPlane
00027 // Description :
00028 ////////////////////////////////////////////////////////////////////
00029 class EXPCL_PANDA_COLLIDE CollisionPlane : public CollisionSolid {
00030 protected:
00031   INLINE CollisionPlane();
00032 
00033 PUBLISHED:
00034   INLINE CollisionPlane(const Planef &plane);
00035   INLINE CollisionPlane(const CollisionPlane &copy);
00036 
00037   virtual LPoint3f get_collision_origin() const;
00038 
00039 public:
00040   virtual CollisionSolid *make_copy();
00041 
00042   virtual void xform(const LMatrix4f &mat);
00043 
00044   virtual PStatCollector &get_volume_pcollector();
00045   virtual PStatCollector &get_test_pcollector();
00046 
00047   virtual void output(ostream &out) const;
00048 
00049   INLINE static void flush_level();
00050 
00051 PUBLISHED:
00052   INLINE LVector3f get_normal() const;
00053   INLINE float dist_to_plane(const LPoint3f &point) const;
00054 
00055   INLINE void set_plane(const Planef &plane);
00056   INLINE const Planef &get_plane() const;
00057 
00058 protected:
00059   virtual PT(BoundingVolume) compute_internal_bounds() const;
00060 
00061 protected:
00062   virtual PT(CollisionEntry)
00063   test_intersection_from_sphere(const CollisionEntry &entry) const;
00064   virtual PT(CollisionEntry)
00065   test_intersection_from_line(const CollisionEntry &entry) const;
00066   virtual PT(CollisionEntry)
00067   test_intersection_from_ray(const CollisionEntry &entry) const;
00068   virtual PT(CollisionEntry)
00069   test_intersection_from_segment(const CollisionEntry &entry) const;
00070   virtual PT(CollisionEntry)
00071   test_intersection_from_parabola(const CollisionEntry &entry) const;
00072 
00073   virtual void fill_viz_geom();
00074 
00075 private:
00076   Planef _plane;
00077 
00078   static PStatCollector _volume_pcollector;
00079   static PStatCollector _test_pcollector;
00080 
00081 public:
00082   static void register_with_read_factory();
00083   virtual void write_datagram(BamWriter* manager, Datagram &me);
00084 
00085   static TypedWritable *make_CollisionPlane(const FactoryParams &params);
00086 
00087 protected:
00088   void fillin(DatagramIterator& scan, BamReader* manager);
00089 
00090 public:
00091   static TypeHandle get_class_type() {
00092     return _type_handle;
00093   }
00094   static void init_type() {
00095     CollisionSolid::init_type();
00096     register_type(_type_handle, "CollisionPlane",
00097                   CollisionSolid::get_class_type());
00098   }
00099   virtual TypeHandle get_type() const {
00100     return get_class_type();
00101   }
00102   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00103 
00104 private:
00105   static TypeHandle _type_handle;
00106 };
00107 
00108 #include "collisionPlane.I"
00109 
00110 #endif
00111 
00112 
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