a_pos2.h

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/*
Copyright 2010-2011 Pierre SMARS (smars@yuntech.edu.tw)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
 
This program 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _VE_POST2_H_
#define _VE_POST2_H_
 
#include "a_mat.h"
 
// .NAME a_pos2
// .SECTION Author
// Pierre Smars
 
#include <iostream>
 
class a_pos2 : public a_mat
{
public:
        inline a_pos2() : a_mat(4,4) {for (int i = 0; i<4; i++) (*this)(i,i)=1; }
        a_pos2(const a_mat& m);
        inline void origin(double x, double y, double z)
        {
                ox_ = x; oy_ = y; oz_ = z;
                this->compute_or();
        }
        inline void angle(double x, double y, double z)
        {
                ax_ = x; ay_ = y; az_ = z;
                this->compute_rot();
        }
        inline void ox(double v) {ox_ = v; this->compute_or();}
        inline double ox() const {return ox_;}
        inline void oy(double v) {oy_ = v; this->compute_or();}
        inline double oy() const {return oy_;}
        inline void oz(double v) {oz_ = v; this->compute_or();}
        inline double oz() const {return oz_;}
        inline void ax(double v) {ax_ = v; this->compute_rot();}
        inline double ax() const {return ax_;}
        inline void ay(double v) {ay_ = v; this->compute_rot();}
        inline double ay() const {return ay_;}
        inline void az(double v) {az_ = v; this->compute_rot();}
        inline double az() const {return az_;}
 
        //: input/output
        friend   std::istream&    operator>> (std::istream& i, a_pos2& l);
 
protected:
        void compute_or();
        void compute_rot();
        void compute_or_inv();
        void compute_rot_inv();
 
        double ox_,oy_,oz_;
        double ax_,ay_,az_;
};
 
#endif