Panda3D
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00001 // Filename: CollisionDSSolid.h 00002 // Created by: Dave Schuyler (05Apr06) 00003 // Based on collision tube by: drose 00004 // 00005 //////////////////////////////////////////////////////////////////// 00006 // 00007 // PANDA 3D SOFTWARE 00008 // Copyright (c) Carnegie Mellon University. All rights reserved. 00009 // 00010 // All use of this software is subject to the terms of the revised BSD 00011 // license. You should have received a copy of this license along 00012 // with this source code in a file named "LICENSE." 00013 // 00014 //////////////////////////////////////////////////////////////////// 00015 00016 #ifndef COLLISIONDSSOLID_H 00017 #define COLLISIONDSSOLID_H 00018 00019 #include "pandabase.h" 00020 #include "plane.h" 00021 #include "collisionSolid.h" 00022 00023 //////////////////////////////////////////////////////////////////// 00024 // Class : CollisionDSSolid 00025 // Description : A collision volume or object made up of the intersection 00026 // of two spheres (potentially a lens) and two half-spaces 00027 // (planes). 00028 //////////////////////////////////////////////////////////////////// 00029 class EXPCL_PANDA_COLLIDE CollisionDSSolid: public CollisionSolid { 00030 PUBLISHED: 00031 INLINE CollisionDSSolid( 00032 const LPoint3f ¢er_a, float radius_a, 00033 const LPoint3f ¢er_b, float radius_b, 00034 const Planef &plane_a, const Planef &plane_b); 00035 INLINE CollisionDSSolid( 00036 float ax, float ay, float az, float radius_a, 00037 float bx, float by, float bz, float radius_b, 00038 const Planef &plane_a, const Planef &plane_b); 00039 00040 virtual LPoint3f get_collision_origin() const; 00041 00042 protected: 00043 INLINE CollisionDSSolid(); 00044 00045 public: 00046 INLINE CollisionDSSolid(const CollisionDSSolid ©); 00047 virtual CollisionSolid *make_copy(); 00048 00049 virtual PT(CollisionEntry) 00050 test_intersection(const CollisionEntry &entry) const; 00051 00052 INLINE float get_lens_radius() const; 00053 00054 virtual void xform(const LMatrix4f &mat); 00055 00056 virtual PStatCollector &get_volume_pcollector(); 00057 virtual PStatCollector &get_test_pcollector(); 00058 00059 virtual void output(ostream &out) const; 00060 00061 PUBLISHED: 00062 // Sphere a 00063 INLINE void set_center_a(const LPoint3f ¢er); 00064 INLINE void set_center_a(float x, float y, float z); 00065 INLINE const LPoint3f &get_center_a() const; 00066 00067 INLINE void set_radius_a(float radius); 00068 INLINE float get_radius_a() const; 00069 00070 // Sphere b 00071 INLINE void set_center_b(const LPoint3f ¢er); 00072 INLINE void set_center_b(float x, float y, float z); 00073 INLINE const LPoint3f &get_center_b() const; 00074 00075 INLINE void set_radius_b(float radius); 00076 INLINE float get_radius_b() const; 00077 00078 // Plane a 00079 INLINE LVector3f get_normal_a() const; 00080 INLINE float dist_to_plane_a(const LPoint3f &point) const; 00081 00082 INLINE void set_plane_a(const Planef &plane); 00083 INLINE const Planef &get_plane_a() const; 00084 00085 // Plane b 00086 INLINE LVector3f get_normal_b() const; 00087 INLINE float dist_to_plane_b(const LPoint3f &point) const; 00088 00089 INLINE void set_plane_b(const Planef &plane); 00090 INLINE const Planef &get_plane_b() const; 00091 00092 protected: 00093 virtual PT(BoundingVolume) compute_internal_bounds() const; 00094 00095 virtual PT(CollisionEntry) 00096 test_intersection_from_sphere(const CollisionEntry &entry) const; 00097 00098 virtual void fill_viz_geom(); 00099 00100 protected: 00101 void recalc_internals(); 00102 Vertexf compute_point(float latitude, float longitude) const; 00103 00104 private: 00105 LPoint3f _center_a; 00106 float _radius_a; 00107 LPoint3f _center_b; 00108 float _radius_b; 00109 Planef _plane_a; 00110 Planef _plane_b; 00111 00112 mutable float _lens_radius; 00113 00114 static PStatCollector _volume_pcollector; 00115 static PStatCollector _test_pcollector; 00116 00117 void calc_plane(const Planef &plane); 00118 Vertexf calc_sphere1_vertex( 00119 int ri, int si, int num_rings, int num_slices, float length, 00120 float angle); 00121 Vertexf calc_sphere2_vertex( 00122 int ri, int si, int num_rings, int num_slices, float length, 00123 float angle); 00124 00125 public: 00126 static void register_with_read_factory(); 00127 virtual void write_datagram(BamWriter *manager, Datagram &me); 00128 00129 protected: 00130 static TypedWritable *make_CollisionSphere(const FactoryParams ¶ms); 00131 static TypedWritable *make_from_bam(const FactoryParams ¶ms); 00132 void fillin(DatagramIterator &scan, BamReader *manager); 00133 00134 public: 00135 static TypeHandle get_class_type() { 00136 return _type_handle; 00137 } 00138 static void init_type() { 00139 CollisionSolid::init_type(); 00140 register_type(_type_handle, "CollisionDSSolid", 00141 CollisionSolid::get_class_type()); 00142 } 00143 virtual TypeHandle get_type() const { 00144 return get_class_type(); 00145 } 00146 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00147 00148 private: 00149 static TypeHandle _type_handle; 00150 }; 00151 00152 #include "collisionDSSolid.I" 00153 00154 #endif