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/*
* Copyright (C) 2002 Terence M. Welsh
* Ported to Linux by Tugrul Galatali <tugrul@galatali.com>
*
* rsMath is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* rsMath is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef RSVEC_H
#define RSVEC_H
#include "rsMatrix.h"
class rsMatrix;
class rsVec;
class rsVec {
public:
float v[3];
rsVec ();
rsVec (float xx, float yy, float zz);
virtual ~ rsVec ();
void set (float xx, float yy, float zz);
float length ();
float normalize ();
float dot (rsVec);
void cross (rsVec, rsVec);
void scale (float);
void transPoint (const rsMatrix & m);
void transVec (const rsMatrix & m);
int almostEqual (rsVec vec, float tolerance);
float &operator [] (int i) {
return v[i];
} const float &operator [] (int i)const {
return v[i];
} rsVec & operator = (const rsVec & vec) {
v[0] = vec[0];
v[1] = vec[1];
v[2] = vec[2];
return *this;
};
rsVec operator + (const rsVec & vec) {
return (rsVec (v[0] + vec[0], v[1] + vec[1], v[2] + vec[2]));
};
rsVec operator - (const rsVec & vec) {
return (rsVec (v[0] - vec[0], v[1] - vec[1], v[2] - vec[2]));
};
rsVec operator * (const float &mul) {
return (rsVec (v[0] * mul, v[1] * mul, v[2] * mul));
};
rsVec operator / (const float &div) {
float rec = 1.0f / div;
return (rsVec (v[0] * rec, v[1] * rec, v[2] * rec));
};
rsVec & operator += (const rsVec & vec) {
v[0] += vec[0];
v[1] += vec[1];
v[2] += vec[2];
return *this;
};
rsVec & operator -= (const rsVec & vec) {
v[0] -= vec[0];
v[1] -= vec[1];
v[2] -= vec[2];
return *this;
};
rsVec & operator *= (const rsVec & vec) {
v[0] *= vec[0];
v[1] *= vec[1];
v[2] *= vec[2];
return *this;
};
rsVec & operator *= (const float &mul) {
v[0] *= mul;
v[1] *= mul;
v[2] *= mul;
return *this;
};
};
#endif // RSVEC_H
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