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C:/temp/src/j2k/Beta/Math/Vector/Vector3.hpp

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#ifndef __J2K__Vector3_HPP__
#define __J2K__Vector3_HPP__

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

#ifndef __J2K__Vector2_HPP__
  class JVector2;
  class JVector3;
#endif

class JVector3
{
 public:
  double v[3]; // vector array
  
  // constructors
        JVector3() {}

  JVector3(const JVector3& obj);

  JVector3(const JVector2& obj);
  
  JVector3(double x, double y, double z){
     v[0] = x;
     v[1] = y;
     v[2] = z;
  }
  
  virtual ~JVector3() {}
  
  void print();
  void add(JVector3);
  void subtract(JVector3);
  void multiply(double);
  void divide(double);
  double dot(JVector3);
  void cross(JVector3);
  
  void negative();
  double length();
  void unit();
  
  double comp(JVector3);
  JVector3 proj(JVector3);
  
  // operators
  double&  operator[](int); // return index
  JVector3 operator()(double, double, double); // assign doubles
  
  JVector3 operator+(JVector3); // add
  JVector3 operator-(JVector3); // subtract
  JVector3 operator*(double); // multiply
  friend JVector3 operator*(double, JVector3);
  JVector3 operator/(double); // divide
  friend JVector3 operator/(double, JVector3);
  double operator*(JVector3); // dot product
  JVector3 operator%(JVector3); // cross product 
  
  void operator+=(JVector3 val) { add(val); }
  void operator-=(JVector3 val) { subtract(val); }
  void operator*=(double val) { multiply(val); }
  void operator/=(double val) { divide(val); }
  void operator%=(JVector3 val) { cross(val); }
  
  JVector3 operator-(); // negation
  double operator!(); // absolute value, length
  JVector3 operator~(); // unit vector
  
  BOOL operator==(JVector3 val) 
  {
    if (v[0] == val.v[0])
      if (v[1] == val.v[1])
   if (v[2] == val.v[2])
          return TRUE;
    
    return FALSE;
  }
};

#ifndef __J2K__Vector2_HPP__
  #include <j2k/Fred/Math/Vector/Vector2.hpp>
  #include <j2k/Fred/Math/Vector/Vector2.cpp>
#endif

#endif

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