text: //============================================================
  //============================================================
  //==														==
  //==					Dynamics Header						==
  //==														==
  //============================================================
  //============================================================
  
  
  //========================================================  Defines  
  
  #define kPersonMass				4		// purely relative & arbitrary unit 
  #define kPersonSmallMass		2		// for colliding with ball 
  #define kBallMass				1
  #define kPersonBallMass			5
  #define kPersonPersonMass		8
  
  #define kPersonDampening		2		// fraction subtracted when wall collided 
  #define kBallDampening			3		// bigger => more energy lost 
  
  #define	kLoopsImpactless		6
  #define	kFrameToDampen			5
  #define kEnergyAbsorbed			32		// fraction of velocity subtracted @ impact 
  #define kPBEnergyAbsorbed		4		// as above but for player/ball collisions 
  
  //========================================================  Prototypes  
  
  void DoPersonBallMerged (playerType *);			// catching/dropping the ball 
  void DoPersonBallParted (playerType *);
  void DoPersonBallCollided (playerType *);		// ball/person dynamics 
  void DoPersonPersonCollided (void);
  void CheckPersonBallCollision (playerType *);	// test ball/person coll. 
  void CheckPersonPersonCollision (void);
  void CheckPersonBallCollision (playerType *);
  short GetPlaceOnArena (short, short);
  void HandlePersonWallCollision (playerType *);	// handle collisions with the wall 
  void CheckUpOnBall (void);
  void HandleBallWallCollision (void);
  void HandleCollisions (void);					// handle non-wall collisions 
  
  
  //========================================================  External Variables 
  
  extern playerType		theOpponent;
  extern playerType		thePlayer;
  extern ballType			theBall;
  extern long				oldDistSquared;
  extern short			whosGotBall, loopsBallHeld, leftGoalLeague, rightGoalLeague;
  extern short			*littleForceTable, *juniorForceTable, *varsityForceTable;
  extern short			*minorForceTable, *proForceTable;
  extern short			boardForceTable[9][2];
  extern Boolean			imTheMaster, netGameInSession, drawThisFrame;
  
  