Panda3D

linearVectorForce.h

00001 // Filename: linearVectorForce.h
00002 // Created by:  charles (13Jun00)
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 LINEARVECTORFORCE_H
00016 #define LINEARVECTORFORCE_H
00017 
00018 #include "linearForce.h"
00019 
00020 ////////////////////////////////////////////////////////////////
00021 //       Class : LinearVectorForce
00022 // Description : Simple directed vector force.  Suitable for
00023 //               gravity, non-turbulent wind, etc...
00024 ////////////////////////////////////////////////////////////////
00025 class EXPCL_PANDAPHYSICS LinearVectorForce : public LinearForce {
00026 PUBLISHED:
00027   LinearVectorForce(const LVector3& vec, PN_stdfloat a = 1.0f, bool mass = false);
00028   LinearVectorForce(const LinearVectorForce &copy);
00029   LinearVectorForce(PN_stdfloat x = 0.0f, PN_stdfloat y = 0.0f, PN_stdfloat z = 0.0f,
00030               PN_stdfloat a = 1.0f, bool mass = false);
00031   virtual ~LinearVectorForce();
00032 
00033   INLINE void set_vector(const LVector3& v);
00034   INLINE void set_vector(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
00035 
00036   INLINE LVector3 get_local_vector() const;
00037   
00038   virtual void output(ostream &out) const;
00039   virtual void write(ostream &out, unsigned int indent=0) const;
00040 
00041 public:
00042   INLINE LinearVectorForce& operator += (const LinearVectorForce &other);
00043 
00044 private:
00045   LVector3 _fvec;
00046 
00047   virtual LinearForce *make_copy();
00048   virtual LVector3 get_child_vector(const PhysicsObject *po);
00049 
00050 public:
00051   static TypeHandle get_class_type() {
00052     return _type_handle;
00053   }
00054   static void init_type() {
00055     LinearForce::init_type();
00056     register_type(_type_handle, "LinearVectorForce",
00057                   LinearForce::get_class_type());
00058   }
00059   virtual TypeHandle get_type() const {
00060     return get_class_type();
00061   }
00062   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00063 
00064 private:
00065   static TypeHandle _type_handle;
00066 };
00067 
00068 #include "linearVectorForce.I"
00069 
00070 #endif // LINEARVECTORFORCE_H
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