rt300@0: /*
rt300@0:  *  mesh.h
rt300@0:  *  springstructure
rt300@0:  *
rt300@0:  *  Created by Robert Tubb on 07/06/2011.
rt300@0:  *  Copyright 2011 __MyCompanyName__. All rights reserved.
rt300@0:  *
rt300@0:  */
rt300@0: 
rt300@0: #ifndef _MESHH
rt300@0: #define _MESHH
rt300@0: 
rt300@0: #include <iostream>
rt300@0: #include "lump.h"
rt300@0: #include "scanpath.h"
rt300@0: #include "globalForces.h"
rt300@8: #include "json.h"
rt300@0: 
rt300@0: class Mesh{
rt300@0: public:
rt300@8:     int dim1, dim2;
rt300@8:     
rt300@0:     bool radial; // tells us if mesh is radial or not
rt300@0: 	// toggles
rt300@0: 	bool syrup;
rt300@0:     bool home;
rt300@0: 
rt300@0:     double propagationSpeed;
rt300@0:     
rt300@0:     double k,m,f; // for stability check and asym
rt300@0: 	
rt300@0: 	int numLumps;
rt300@0: 	int numSprings;
rt300@0:     
rt300@4: 	//Lump *lumps;
rt300@4:     vector<Lump> lumps;
rt300@3:     vector<Spring> springs;
rt300@3: 	//Spring *springs;
rt300@0:     
rt300@0:     TwoVector centre;
rt300@0: 
rt300@0: 	
rt300@0: 	// modes
rt300@0: 	enum constrainMode { CONSTRAIN_CORNERS, CONSTRAIN_EDGES,CONSTRAIN_EDGES_XY, CONSTRAIN_SINGLE_POINT, CONSTRAIN_SINGLE_POINT_X, CONSTRAIN_SINGLE_POINT_Y, CONSTRAIN_GRAB_REGION,CONSTRAIN_GRAB_REGION_X,CONSTRAIN_GRAB_REGION_Y, CONSTRAIN_ALL_X, CONSTRAIN_ALL_Y};
rt300@0: 	double GRAB_RANGE;
rt300@0: 	 
rt300@9: 	enum MeshType {SQUARE_MESH, SQUARE_CROSS_MESH, SPIDER_MESH, SPIDER_CROSS_MESH, DROPLET_MESH, LINE_MESH, TRIANGLE_MESH, GROUNDED_LINE_MESH, HOLED_SPIDER_MESH};
rt300@8:     MeshType meshType;
rt300@0: 
rt300@0:     // MEMBER FUNCTIONS
rt300@0: 	Mesh();
rt300@9:     Mesh(Json::Value& savedMesh); // contructor using saved mesh
rt300@10:     void setReasonableDefaults();
rt300@0: 	virtual ~Mesh();
rt300@0: 
rt300@0:     void draw();
rt300@0:     
rt300@0: 	// INTERACTIONS
rt300@0:     void resetAll();
rt300@0:     void resetPositions();
rt300@0:     void resetVelocities();
rt300@0:     void resetEverything();
rt300@0:     
rt300@0:      // excite via position, velocity force
rt300@0:     // using shapes : noise, hamming, sine, 
rt300@0:     void hit(double dax,double day,int velocity = 100, GlobalForces::excitationTypes aEType = GlobalForces::POSITION, 
rt300@0:              GlobalForces::excitationShapes aEShape = GlobalForces::NOISE); 
rt300@0:     void spatialHarmonic(int aharm1 = 1, int aharm2 = 0);
rt300@0:     void damp();
rt300@0:     void forceField(double dax,double day,double strength);
rt300@0:     void averagingFilter(double amt);
rt300@0:     
rt300@0: 	void grab(double x, double y,  int touchID); 
rt300@0: 	void drag(double ax,double ay, int touchID);
rt300@0: 	void unGrab(int touchID);
rt300@0:     
rt300@0: 	virtual void constrain(double x, double y, constrainMode aMode);	// diff meshes will have diff edges
rt300@0: 	void unconstrain();
rt300@0:     void unconstrain(double x, double y, constrainMode aMode);
rt300@0: 
rt300@0:     
rt300@0:     // PARAMETER SETTINGS
rt300@0:     void toggleSyrup();
rt300@0: 	void toggleSyrup(bool on);
rt300@0:     void toggleSpringForces();
rt300@0: 	void toggleSpringForces(bool on);
rt300@0:     void toggleGravity();
rt300@0:     void toggleGravity(bool on);
rt300@0:     void toggleHome(bool on);
rt300@0:     
rt300@0: 	void setRestLength();
rt300@0:     void zeroRestLength();
rt300@0:     
rt300@0:     void setPropagationSpeed(double aSpeed); // sets k and m to give a certain speed
rt300@0:     void decreasePropagationSpeed();
rt300@0:     void increasePropagationSpeed();
rt300@0:     void setSpringConstant(double aK);
rt300@0:     void setMass(double aM);
rt300@0:     void setFriction(double aF);
rt300@0:     
rt300@0:     // create varying constants
rt300@0:     void setSpringConstantAsym(double aAsym);
rt300@0:     void setMassAsym(double aAsym);
rt300@0:     void setFrictionAsym(double aAsym);	
rt300@0:     void setZeroAudioLine();
rt300@0: 
rt300@0:     // only for mouse cursor
rt300@0: 	void checkHover(double x, double y);
rt300@0: 
rt300@0: //	SCANPATH STUFF
rt300@0: 	void clearScanPath();
rt300@0:     void disconnectDraw(); // enables you to draw scanpths anywhere
rt300@0: 	int inscribeScanPath(double ax, double ay);
rt300@8:     
rt300@8:     // inscribeScanPathFromJson
rt300@8:     
rt300@0:     // called by scanpath.update wavetables
rt300@0: 	double getNextSample();
rt300@0:     
rt300@0:     virtual void update();
rt300@8:     
rt300@8: // save stuff
rt300@8:     Json::Value convertToJsonForSaving();
rt300@9:     Json::Value saveConnectionsAsJson();
rt300@10:     // UTILS
rt300@10:     TwoVector calculateCentre();
rt300@10: 	void connect(int springnum,int lumpnum);
rt300@10:     void connect(int springnum,int lumpnum,int alumpnum2);
rt300@10: 	int getNearestLump(double ax,double ay);
rt300@0: protected:
rt300@0: 
rt300@0:     int prevLump;
rt300@0:     
rt300@0: 	// specific mesh shapes override these:
rt300@0: 
rt300@0: 	virtual void makeComponents(int adimension1, int adimension2);
rt300@0: 	virtual void setLumpPositions();
rt300@0: 	virtual void makeConnections();
rt300@0: 	virtual void makeDefaultScanPath();
rt300@9:     
rt300@9:     // alternatively get from saved:
rt300@9:     
rt300@13: 	void setLumpPositionsFromJson(Json::Value lumpPositions, Json::Value lumpRestPositions);
rt300@9: 	void makeConnectionsFromJson(Json::Value connections);
rt300@9: 	void makeScanPathFromJson(Json::Value scanPathElements);
rt300@9:     void constrainFromJson(Json::Value constrainedLumps);
rt300@10: 
rt300@0: 	
rt300@0: };
rt300@0: //---------------------------------------------------------
rt300@0: class SpiderMesh : public Mesh{
rt300@0: public:
rt300@0: 	int numSpokes, numRings;
rt300@0: 	
rt300@0: 	SpiderMesh(int aNumSpokes,int aNumRings);
rt300@0: 	
rt300@0: 	virtual void constrain(double x, double y, constrainMode aMode);
rt300@0: 	virtual void makeComponents(int adimension1, int adimension2);
rt300@0: 	virtual void setLumpPositions();
rt300@0: 	virtual void makeConnections();
rt300@0: 	virtual void makeDefaultScanPath();
rt300@0: };
rt300@0: //---------------------------------------------------------
rt300@0: class HoledSpiderMesh : public Mesh{
rt300@0: public:
rt300@0:     int numSpokes, numRings;
rt300@0: 	
rt300@0:     HoledSpiderMesh(int aNumSpokes,int aNumRings);
rt300@0: 	void constrain(double x, double y, constrainMode aMode);
rt300@0: 	void makeComponents(int adimension1, int adimension2);
rt300@0: 	void setLumpPositions();
rt300@0: 	void makeConnections();
rt300@0: 	void makeDefaultScanPath();
rt300@0: };
rt300@0: //---------------------------------------------------------
rt300@0: class SpiderCrossMesh : public Mesh{
rt300@0: public:
rt300@0: 	int numSpokes, numRings;
rt300@0: 	
rt300@0: 	SpiderCrossMesh(int aNumSpokes,int aNumRings);
rt300@0: 	
rt300@0: 	void constrain(double x, double y, constrainMode aMode);
rt300@0: 	void makeComponents(int adimension1, int adimension2); // override
rt300@0: 	void setLumpPositions(); // same
rt300@0: 	void makeConnections(); // overrride
rt300@0: 	void makeDefaultScanPath(); // same
rt300@0: };
rt300@0: //---------------------------------------------------------
rt300@9: // square grid 
rt300@9: class SquareMesh : public Mesh{
rt300@0: public:
rt300@0: 	// square specific
rt300@0: 	int height;
rt300@0: 	int width;
rt300@9: 	SquareMesh();
rt300@9: 	SquareMesh(int height, int width);
rt300@9:     ~SquareMesh();
rt300@9: 	void constrain(double x, double y, constrainMode aMode);
rt300@9:     void makeComponents(int adimension1, int adimension2);
rt300@9:     void setLumpPositions();
rt300@9:     void makeConnections();
rt300@9:     void makeDefaultScanPath();
rt300@9: };
rt300@9: //---------------------------------------------------------
rt300@9: // square grid with all diagonals connected i.e. we override makeConnections
rt300@9: class SquareCrossMesh : public SquareMesh{
rt300@9: public:
rt300@9:     SquareCrossMesh(){};
rt300@9: 	SquareCrossMesh(int height, int width);
rt300@0:     ~SquareCrossMesh();
rt300@0: 	 void makeConnections();
rt300@9: 
rt300@0: };
rt300@0: //---------------------------------------------------------
rt300@0: // simple 1d line
rt300@0: class LineMesh : public Mesh{
rt300@0: public:
rt300@0: 	// square specific
rt300@0: 	int numSegments;
rt300@0: 	
rt300@0: 	LineMesh(int aNumSegments);	
rt300@0: 	void constrain(double x, double y, constrainMode aMode);
rt300@0:     void makeComponents(int adimension1, int adimension2);
rt300@0:     void setLumpPositions();
rt300@0:     void makeConnections();
rt300@0:     void makeDefaultScanPath();
rt300@0: };
rt300@0: //---------------------------------------------------------
rt300@0: // simple 1d line attached to 'ground' (constrained lumps) by other springs...
rt300@0: class GroundedLineMesh : public Mesh{
rt300@0: public:
rt300@0:     int numSegments;
rt300@0: 	
rt300@0: 	GroundedLineMesh(int aNumSegments);	
rt300@0: 	void constrain(double x, double y, constrainMode aMode);
rt300@0:     void makeComponents(int adimension1, int adimension2);
rt300@0:     void setLumpPositions();
rt300@0:     void makeConnections();
rt300@0:     void makeDefaultScanPath();
rt300@0: };
rt300@0: 
rt300@0: //----------------------------------------------------------
rt300@0: //---------------------------------------------------------
rt300@0: // circular spring with internal pressure
rt300@0: class DropletMesh : public Mesh{
rt300@0: public:
rt300@0: 	// specific
rt300@0: 	int numSegments;
rt300@0:     double restArea;
rt300@0: 	
rt300@0: 	DropletMesh(int aNumSegments);	
rt300@0: 	void constrain(double x, double y, constrainMode aMode);
rt300@0:     void makeComponents(int adimension1, int adimension2);
rt300@0:     void setLumpPositions();
rt300@0:     void makeConnections();
rt300@0:     void makeDefaultScanPath();
rt300@0:     double calculatePressure();
rt300@0:     double calculateArea();
rt300@0:     void update();
rt300@0: };
rt300@0: //---------------------------------------------------------
rt300@0: // trangular mesh
rt300@0: class TriangleMesh : public Mesh{
rt300@0: public:
rt300@0: 	// square specific
rt300@0: 	int height;
rt300@0: 	int width;
rt300@0: 	
rt300@0: 	TriangleMesh(int height, int width);	
rt300@0: 	void constrain(double x, double y, constrainMode aMode);
rt300@0:     void makeComponents(int adimension1, int adimension2);
rt300@0:     void setLumpPositions();
rt300@0:     void makeConnections();
rt300@0:     void makeDefaultScanPath();
rt300@0: };
rt300@0: //----------------------------------------------------------
rt300@0: 
rt300@0: #endif