#ifndef __PBMSIMOBJECT_H__
#define __PBMSIMOBJECT_H__
/***************************************************************************
   File:        PBMSimObject.h                                                            
   Created:     02/06/2002                                                            
   Author:      Maxim Garber                                                
                Computer Science Department                                 
                University of North Carolina - Chapel Hill                  
                garber@cs.unc.edu                                           
                                                                            
   Description: Base class for an object in a physical simulation.                                                            
                                                                            
----------------------------------------------------------------------------.
   Copyright 2001 Maxim Garber                                              
   UNC Motion Planning Research Group                                       
                                                                            
                                                                            
*****************************************************************************/
class PBMSimObject
{
public:
  // pure virtual functions
  virtual void Update(float timeStep) = 0;
  virtual void Draw()                 = 0;
  virtual bool IsActive()             = 0;
};


/****************************************************************************
   Function   : PBMSimObjectActive                                          
   Description: predicate function to test if the object is alive                                                          
****************************************************************************/
inline bool PBMSimObjectActive(PBMSimObject* object)
{
  return object->IsActive();
}
#endif //__PBMSIMOBJECT_H__