Search  

---

C:/temp/src/j2k/Beta/Math/Vector/Vector2.hpp

Go to the documentation of this file.

#ifndef __J2K__Vector2_HPP__
#define __J2K__Vector2_HPP__

#include <j2k/Fred/Basic.hpp>
#include <j2k/Fred/Boolean.hpp>
#include <j2k/Fred/StdTypes.hpp>
#include <math.h>

#ifndef __J2K__Vector3_HPP__
  class JVector2;
  class JVector3;
#endif

class JVector2 {
public:

  JVector2() {}
  JVector2(const JVector3& obj);
  JVector2(const JVector2& obj);

  JVector2(double x, double y) {
    v[0] = x;
    v[1] = y;
  }

  virtual ~JVector2() {}

  void print();
  JVector2 rotate(double rad);
  
  void add(JVector2);
  void subtract(JVector2);
  void multiply(double);
  void divide(double);

  double dot(JVector2);
  void   cross(JVector2);
  
  void   negative();
  double length();
  void   unit();
  
  double   comp(JVector2);
  JVector2 proj(JVector2);
  
  // operators
  double   operator[](int); // return index
  JVector2 operator()(double, double); // assign doubles
  
  JVector2 operator+(JVector2); // add
  JVector2 operator-(JVector2); // subtract
  JVector2 operator*(double); // multiply
  friend JVector2 operator*(double, JVector2);
  JVector2 operator/(double); // divide
  friend JVector2 operator/(double, JVector2);
  double operator*(JVector2); // dot product
  JVector2 operator%(JVector2); // cross product 
  
  void operator+=(JVector2 val) { add(val); }
  void operator-=(JVector2 val) { subtract(val); }
  void operator*=(double val) { multiply(val); }
  void operator/=(double val) { divide(val); }
  void operator%=(JVector2 val) { cross(val); }
  
  JVector2 operator-(); // negation
  double operator!(); // absolute value, length
  JVector2 operator~(); // unit vector
  
  BOOL operator==(JVector2 val) 
  {
    if (v[0] == val.v[0])
      if (v[1] == val.v[1])
   if (v[2] == val.v[2])
     return true;
    
    return false;
  }

// protected:
  double v[2];
};

#ifndef __J2K__Vector3_HPP__
  #include <j2k/Fred/Math/Vector/Vector3.hpp>
  #include <j2k/Fred/Math/Vector/Vector3.cpp>
#endif

#endif

---