diff spring.h @ 0:c667dfe12d47

OK. Ther real deal.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spring.h	Mon Nov 19 13:00:42 2012 +0000
@@ -0,0 +1,78 @@
+/*
+ *  spring.h
+ *  simplespring
+ *
+ *  Created by Robert Tubb on 02/06/2011.
+ *  Copyright 2011 __MyCompanyName__. All rights reserved.
+ *
+ */
+
+
+
+#ifndef _SPRINGH
+#define _SPRINGH
+#include "2dvector.h"
+#include "ofMain.h"
+
+class Lump;
+
+class Spring{
+protected:
+	double restLength;
+	double springConst;
+	
+	static double maxForce;
+	static double minForce;
+	
+	static int numSprings;
+
+	int myIndex;
+    
+    double csquared;
+	
+	TwoVector startPoint;
+	TwoVector endPoint;
+	
+	TwoVector force;
+	Lump * startLumpPtr;
+	Lump * endLumpPtr;
+	
+	bool isInScanPath;
+
+	
+public:
+	static bool forcesOn;
+	
+	Spring();
+	Spring(double aStartx, double aStarty, double aEndx, double aEndy, double aK);
+	void updateEndPoints();
+	void attachLump(Lump * aLump);
+    
+    void calculateForce();
+    virtual TwoVector getForce(Lump * aLump);
+
+	void draw();
+	void setRestLength();
+	void setRestLength(double aLength);
+    void setSpringConstant(double aK);
+    double getLength();
+
+	void addToScanPath();
+    void removeFromScanPath();
+    Lump * getLumpOnOtherEnd(Lump * alump);
+	//void checkStuff();
+    
+    // interface for scanner
+	double getForceMag();
+};
+
+class PressureSpring : public Spring{
+public:
+    PressureSpring();
+    TwoVector getForce(Lump * aLump);
+
+};
+
+#endif
+
+