rt300@0: /*
rt300@0:  *  lump.h
rt300@0:  *  simplespring
rt300@0:  *
rt300@0:  *  Created by Robert Tubb on 01/06/2011.
rt300@0:  *  Copyright 2011 __MyCompanyName__. All rights reserved.
rt300@0:  *
rt300@0:  */
rt300@0: #ifndef _LUMPH
rt300@0: #define _LUMPH
rt300@0: #include "2dvector.h"
rt300@0: #include "ofMain.h"
rt300@0: #include "spring.h"
rt300@0: 
rt300@0: 
rt300@0: class Spring;
rt300@0: class Lump {
rt300@0: private:
rt300@0: 	double mass, inverseMass;
rt300@0: 	bool grabbed, highlighted;
rt300@4: 
rt300@0: 	TwoVector velocity;
rt300@0: 	TwoVector accel;
rt300@0: 	double friction;
rt300@0: 
rt300@0: public:
rt300@0:     bool constrained;
rt300@4: 	vector<Spring*> attachedSprings; // pointers to all attached springs
rt300@0: 	int numAttachedSprings;
rt300@0:     
rt300@0:     enum ConstrainMode {NOT_CONSTRAINED,CONSTRAIN_X,CONSTRAIN_Y,CONSTRAIN_XY};
rt300@0:     ConstrainMode constrainMode;
rt300@0: 	
rt300@0:     bool isInScanPath;
rt300@4:     bool isScanPathEnd;
rt300@4:     bool isScanPathStart;
rt300@4:     
rt300@0: 	TwoVector position;
rt300@0:     TwoVector previousPosition;
rt300@0: 	double totalForceMag;
rt300@8: 	//double size;
rt300@8:     int myIndexInMesh;
rt300@0:     int grabID; // which touch is this lump grabbed by?
rt300@0: 		
rt300@0: 	Lump(); // default constructor
rt300@0: 	Lump(double aMass,double aFriction, double positionX, double positionY);
rt300@0: 	// also which spring is it attached to
rt300@0:     ~Lump();
rt300@5: 	double radialDisplacement;
rt300@0: 	TwoVector applyForce();
rt300@0:     void averagingFilter(double amt);
rt300@0:     void homingFilter(double amt);
rt300@0:     TwoVector averageOfConnected();
rt300@0: 
rt300@0:     TwoVector zeroRefPos;
rt300@0: 	void draw();
rt300@0: 
rt300@0: 	void attachSpring(Spring* aSpring);
rt300@0: 	void setPosition(double ax, double ay);
rt300@0:     void setVelocity(double ax, double ay);
rt300@0: 	void constrain();
rt300@0:     void constrain(ConstrainMode aconstrainMode);
rt300@0: 	void unconstrain();
rt300@0: 	
rt300@0: 	bool isGrabbed();
rt300@0: 	void grab(int aGrabID);
rt300@0: 	void drag(double ax, double ay, int aGrabID);
rt300@0: 	void unGrab();
rt300@0: 	void highlight();
rt300@0: 	void unhighlight();
rt300@0: 	void setInvMass(double aInvMass);
rt300@0: 	double getTotalForceMag();
rt300@0:     void setZeroRefPos();
rt300@0:     void setFriction(double aF);
rt300@0:     
rt300@0:     Spring * checkConnectedTo(Lump * otherLump);
rt300@0:     
rt300@0:     // interface to scan path
rt300@0:     double scanDisplacement();
rt300@0:     double scanRadialDisplacement();
rt300@0:     double scanLumpSpeed();
rt300@0:     double scanYPos();
rt300@0:      double scanXPos();
rt300@0:     void addToScanPath();
rt300@0:     void removeFromScanPath();
rt300@0: 	 
rt300@0: };
rt300@0: 
rt300@0: #endif