text: /* Copyright (c) <2003-2019> <Julio Jerez, Newton Game Dynamics>
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
  * arising from the use of this software.
  * 
  * Permission is granted to anyone to use this software for any purpose,
  * including commercial applications, and to alter it and redistribute it
  * freely, subject to the following restrictions:
  * 
  * 1. The origin of this software must not be misrepresented; you must not
  * claim that you wrote the original software. If you use this software
  * in a product, an acknowledgment in the product documentation would be
  * appreciated but is not required.
  * 
  * 2. Altered source versions must be plainly marked as such, and must not be
  * misrepresented as being the original software.
  * 
  * 3. This notice may not be removed or altered from any source distribution.
  */
  
  #if !defined(AFX_DGUSERCONSTRAINT_H__97A0E0E3_C511_4761_9346_BAEC6E6322BA_H)
  #define AFX_DGUSERCONSTRAINT_H__97A0E0E3_C511_4761_9346_BAEC6E6322BA_H
  
  
  #include "dgBilateralConstraint.h"
  
  //class dgWorld;
  
  class dgUserConstraint: public dgBilateralConstraint  
  {
  	public:
  
  	protected:
  	virtual dgUnsigned32 JacobianDerivative (dgContraintDescritor& params) = 0; 
  	virtual void Serialize (dgSerialize serializeCallback, void* const userData) = 0;
  	dgUserConstraint (dgWorld* const manager, dgBody* const dyn0, dgBody* const dyn1, dgInt32 constraintID);
  
  	virtual void GetInfo (dgConstraintInfo* const info) const;
  
  	virtual ~dgUserConstraint();
  };
  
  #endif // !defined(AFX_DGUSERCONSTRAINT_H__97A0E0E3_C511_4761_9346_BAEC6E6322BA_H)
  
  