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angularForce.h
00001 // Filename: angularForce.h
00002 // Created by:  charles (08Aug00)
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 ANGULARFORCE_H
00016 #define ANGULARFORCE_H
00017 
00018 #include "baseForce.h"
00019 
00020 ////////////////////////////////////////////////////////////////////
00021 //       Class : AngularForce
00022 // Description : pure virtual parent of all quat-based forces.
00023 ////////////////////////////////////////////////////////////////////
00024 class EXPCL_PANDAPHYSICS AngularForce : public BaseForce {
00025 PUBLISHED:
00026   virtual ~AngularForce();
00027 
00028   virtual AngularForce *make_copy() const = 0;
00029   LRotation get_quat(const PhysicsObject *po);
00030   virtual bool is_linear() const;
00031   
00032   virtual void output(ostream &out) const;
00033   virtual void write(ostream &out, unsigned int indent=0) const;
00034 
00035 protected:
00036   AngularForce();
00037   AngularForce(const AngularForce &copy);
00038 
00039 private:
00040   virtual LRotation get_child_quat(const PhysicsObject *po) = 0;
00041 
00042 public:
00043   static TypeHandle get_class_type() {
00044     return _type_handle;
00045   }
00046   static void init_type() {
00047     BaseForce::init_type();
00048     register_type(_type_handle, "AngularForce",
00049                   BaseForce::get_class_type());
00050   }
00051   virtual TypeHandle get_type() const {
00052     return get_class_type();
00053   }
00054   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00055 
00056 private:
00057   static TypeHandle _type_handle;
00058 };
00059 
00060 #endif // ANGULARFORCE_H
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