rt300@0: /*
rt300@0:  *  2dvector.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 _2DVECTORH
rt300@0: #define _2DVECTORH
rt300@0: 
rt300@0: class TwoVector{
rt300@0: public:
rt300@0: 	double x, y;
rt300@0: 	TwoVector();
rt300@0: 	TwoVector(double ax, double ay);
rt300@0: 
rt300@0: // public methods	
rt300@0: 	double norm();
rt300@0: 	void setCoord(double ax, double ay);
rt300@0: 	TwoVector minus(TwoVector otherPoint);
rt300@0:     TwoVector operator-(TwoVector otherPoint);
rt300@0:     TwoVector operator+(TwoVector otherPoint);
rt300@0:     
rt300@0:     TwoVector operator*(TwoVector otherPoint);
rt300@0:     TwoVector operator*(double scalar); // scalar is right operand
rt300@0:     TwoVector unitDir();
rt300@0:     double distanceTo(TwoVector otherPoint);
rt300@0: 	
rt300@0: 
rt300@0: };
rt300@0: 
rt300@0: #endif // #ifndef _2DVECTORH