HasGravityBase.h

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// $Id$
//==============================================================================
//==============================================================================
 
#ifndef _HAS_GRAVITY_BASE_H
#define _HAS_GRAVITY_BASE_H
 
#include "IntegrandBase.h"
#include "Vec3.h"
 
 
class HasGravityBase : public IntegrandBase
{
protected:
  explicit HasGravityBase(unsigned char n = 0) : IntegrandBase(n) {}
 
public:
  virtual bool parse(const tinyxml2::XMLElement* elem);
 
  void setGravity(double gx, double gy = 0.0, double gz = 0.0)
  { gravity.x = gx; gravity.y = gy; gravity.z = gz; }
  void setGravity(const Vec3& g) { gravity = g; }
 
  const Vec3& getGravity() const { return gravity; }
 
protected:
  Vec3 gravity; 
};
 
#endif