OOPSE/libmdtools/ConstraintPair.hpp

#ifndef _CONSTRAINT_PAIR_H_
#define _CONSTRAINT_PAIR_H_

#include "ConstraintElement.hpp"

class ConstraintAlgorithm;
class ConstraintPair{
  public:
    virtual ~ConstraintPair() {}
    ConstraintElement* firstElem;
    ConstraintElement* secondElem;

    bool isMoved() {return firstElem->getMoved() || secondElem->getMoved();}
    virtual double getBondLength2() = 0;

    double getLamda() {return lamda;}
    void setLamda(double l) {lamda = l;}

    //double getDistance();
    
  protected:
    ConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2) : firstElem(ce1), secondElem(ce2){}

  private:
    double lamda;
};


//Constrain two linked rigid bodies which share the same joint
class JointConstraintPair : public ConstraintPair{
  public:
    JointConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2) : ConstraintPair(ce1, ce2){}
    double getBondLength2() {return 0;}
};

//constraint two 
class DistanceConstraintPair : public ConstraintPair{
  public:
    DistanceConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2, double bondLength2) 
                                                      : ConstraintPair(ce1, ce2), d2(bondLength2){}
    double getBondLength2() {return d2;}
  private:
    double d2;    
};

#endif //ifndef _CONSTRAINT_PAIR_H_
Revision:	1452
Committed:	Mon Aug 23 15:11:36 2004 UTC (19 years, 10 months ago) by tim
File size:	1294 byte(s)
Log Message:	* empty log message *
#	User	Rev	Content
1	tim	1232	#ifndef _CONSTRAINT_PAIR_H_
2			#define _CONSTRAINT_PAIR_H_
3
4			#include "ConstraintElement.hpp"
5
6			class ConstraintAlgorithm;
7			class ConstraintPair{
8			public:
9	gezelter	1252	virtual ~ConstraintPair() {}
10	tim	1232	ConstraintElement* firstElem;
11			ConstraintElement* secondElem;
12
13			bool isMoved() {return firstElem->getMoved() \|\| secondElem->getMoved();}
14			virtual double getBondLength2() = 0;
15	tim	1452
16			double getLamda() {return lamda;}
17			void setLamda(double l) {lamda = l;}
18
19			//double getDistance();
20	tim	1232
21			protected:
22			ConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2) : firstElem(ce1), secondElem(ce2){}
23	tim	1452
24			private:
25			double lamda;
26	tim	1232	};
27
28
29			//Constrain two linked rigid bodies which share the same joint
30			class JointConstraintPair : public ConstraintPair{
31			public:
32			JointConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2) : ConstraintPair(ce1, ce2){}
33			double getBondLength2() {return 0;}
34			};
35
36			//constraint two
37			class DistanceConstraintPair : public ConstraintPair{
38			public:
39			DistanceConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2, double bondLength2)
40			: ConstraintPair(ce1, ce2), d2(bondLength2){}
41			double getBondLength2() {return d2;}
42			private:
43			double d2;
44			};
45
46			#endif //ifndef _CONSTRAINT_PAIR_H_