Panda3D
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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 LPlane &plane);
00035   INLINE CollisionPlane(const CollisionPlane &copy);
00036 
00037   virtual LPoint3 get_collision_origin() const;
00038 
00039 public:
00040   virtual CollisionSolid *make_copy();
00041 
00042   virtual void xform(const LMatrix4 &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 LVector3 get_normal() const;
00053   INLINE PN_stdfloat dist_to_plane(const LPoint3 &point) const;
00054 
00055   INLINE void set_plane(const LPlane &plane);
00056   INLINE const LPlane &get_plane() const;
00057 
00058   INLINE void flip();
00059 
00060 protected:
00061   virtual PT(BoundingVolume) compute_internal_bounds() const;
00062 
00063 protected:
00064   virtual PT(CollisionEntry)
00065   test_intersection_from_sphere(const CollisionEntry &entry) const;
00066   virtual PT(CollisionEntry)
00067   test_intersection_from_line(const CollisionEntry &entry) const;
00068   virtual PT(CollisionEntry)
00069   test_intersection_from_ray(const CollisionEntry &entry) const;
00070   virtual PT(CollisionEntry)
00071   test_intersection_from_segment(const CollisionEntry &entry) const;
00072   virtual PT(CollisionEntry)
00073   test_intersection_from_parabola(const CollisionEntry &entry) const;
00074 
00075   virtual void fill_viz_geom();
00076 
00077 private:
00078   LPlane _plane;
00079 
00080   static PStatCollector _volume_pcollector;
00081   static PStatCollector _test_pcollector;
00082 
00083 public:
00084   static void register_with_read_factory();
00085   virtual void write_datagram(BamWriter* manager, Datagram &me);
00086 
00087   static TypedWritable *make_CollisionPlane(const FactoryParams &params);
00088 
00089 protected:
00090   void fillin(DatagramIterator& scan, BamReader* manager);
00091 
00092 public:
00093   static TypeHandle get_class_type() {
00094     return _type_handle;
00095   }
00096   static void init_type() {
00097     CollisionSolid::init_type();
00098     register_type(_type_handle, "CollisionPlane",
00099                   CollisionSolid::get_class_type());
00100   }
00101   virtual TypeHandle get_type() const {
00102     return get_class_type();
00103   }
00104   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00105 
00106 private:
00107   static TypeHandle _type_handle;
00108 };
00109 
00110 #include "collisionPlane.I"
00111 
00112 #endif
00113 
00114 
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