rope.h

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#ifndef __MY_ROPE_HEADER__
#define __MY_ROPE_HEADER__
/*****************************************************************************/
#include "cannonball.h"
/*****************************************************************************/
/*****************************************************************************/
enum RopeAttachment {
  AttachmentNone = 0, 
  AttachmentBall,     
  AttachmentWall      
};
/*****************************************************************************/
struct stcOneTwoAttachment{
  uchar one;
  uchar two;
};

struct stcOneTwoPlaces{
  LOC one;
  LOC two;
};

struct stcOneTwoBalls{
  clsCannonball* one;
  clsCannonball* two;
};

typedef struct stcOneTwoAttachment AttachSpots;
typedef struct stcOneTwoBalls BallsSpots;
typedef struct stcOneTwoPlaces PlacesSpots;
/*****************************************************************************/
class clsRope {
    public:
      clsRope();
      ~clsRope();
      void activate(void);
      //dblXY addTension(void);

      void update(void);
      void draw(void);

      bool isActive(void);

      void setAttachment(uchar,LOC);
      void setAttachment(uchar,clsCannonball*);

      bool blncheckphysics_; 
    private:

      void update_spots(void);
      dblXY ballWallForces(dblXY, double);

      uint length_; 
      PlacesSpots spot_; 
      AttachSpots attachments_; 
      BallsSpots balls_; 
};
/*****************************************************************************/
#endif // __ROPE_HEADER__