rVectori.h

#ifndef rVectorihh
#define rVectorihh
//#include <iostream.h>
#include <math.h>
//#include <malloc.h>
#include "rPointi.h"

class rVectori;
class rVector;
/*
 * Class declaration^
 */

class rVectori:public rPointi {
  protected:
  public:
    rVectori () : rPointi () {}
    rVectori (rPointi);
    rVectori (rVectori&);
    rVectori (rPointi,rPointi);
    rVectori (int i,int j,int k):rPointi(i,j,k) {}
    //~rVectori () {}
    int dot (rVectori);
    rVectori cross (rVectori);
    int len () { return sqrt (x*x+y*y+z*z); }
    int length () { return sqrt (x*x+y*y+z*z); }
    int magnitude () { return sqrt (x*x+y*y+z*z); }
    void scale (int i) {x*=i; y*=i; z*=i;}
    // normalize to 0-100.0
    void normalize () { double len = sqrt (x*x+y*y+z*z); if (len ==0) return; x = (int)((double)x/len*100.0); y = (int)((double)y/len*100.0); z = (int)((double)z/len*100.0); }
    void normal () { double len = sqrt (x*x+y*y+z*z); x = (int)((double)x/len*100.0); y = (int)((double)y/len*100.0); z = (int)((double)z/len*100.0); }
    void unit () { double len = sqrt (x*x+y*y+z*z); x = (int)((double)x/len); y = (int)((double)y/len); z = (int)((double)z/len); }
    rVectori rVector () {rVectori v(x,y,z); return v;}
    rVectori operator*(rVectori); /* Cross Product */
    rVectori operator*=(rVectori); /* Cross Product */
    int operator|(rVectori); /* Dot Product */
    rVectori operator/(rVectori); /* Division of rVectors */
    rVectori operator=(rVectori p) { x=p.x; y=p.y; z=p.z; return (*this);}
    rVectori operator=(rPointi p) { x=p.x; y=p.y; z=p.z; return (*this);}

    // the following five functions can't be handled by gcc.
    //rVectori operator*(int); 
    //rVectori operator/(int);
    //rVectori& operator!(); 
    //operator rPointi();
    
    //operator vector ();

    void rVectorize (rVectori A,rVectori B)
    {
      x = B.x-A.x; y = B.y-A.y; z = B.z-A.z; 
    } 
    friend rVectori operator+(rVectori ,rVectori );
    friend rVectori operator-(rVectori ,rVectori );
/*
    friend int operator|(rVectori ,rVectori );
    friend rVectori operator/(rVectori ,rVectori );
    friend rVectori operator*(rVectori ,rVectori );
*/

    /* gcc requires the & here, sgi /usr/bin/CC can't handle it...!!!*/
    friend rVectori operator+(int ,rVectori );
    friend rVectori operator+(rVectori ,int );
    friend rVectori operator-(int ,rVectori );
    friend rVectori operator-(rVectori ,int );
    friend rVectori operator*(int ,rVectori );
    friend rVectori operator*(rVectori ,int );
    friend rVectori operator/(int ,rVectori );
    friend rVectori operator/(rVectori ,int );

    rVectori& operator*=(int);
    rVectori& operator+=(int);
    rVectori& operator+=(rVectori);
    rVectori& operator-=(int);
    rVectori& operator-=(rVectori);
    rVectori& operator/=(int);
    int is_obtuse_with (rVectori &);
    int is_acute_with (rVectori &);
    int angle_with (rVectori &);
    int angle_with (rVectori &,rVectori &,rVectori &);
    int angle_with (rVectori &,int&,int&,int&);
};
#endif