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transfo.h

/*
    XBlockOut a 3D Tetris

    Copyright (C) 1992,1993,1994  Thierry EXCOFFIER

    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 1, 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, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    Contact: Thierry.EXCOFFIER@liris.univ-lyon1.fr
*/

#ifndef ROTX

#define ROTX 0
#define ROTY 1
#define ROTZ 2
#define DILX 3
#define DILY 4
#define DILZ 5
#define HOMO 6
#define UNIT 7

struct transfo
      {
      float mat[3][3] ;
      float vec[3] ;
      } ;

void createtransfo(int typ, struct transfo *t, float val, float tx, float ty, float tz) ;
void traXtra(struct transfo *tg,struct transfo *td,struct transfo *tr) ;
void printtra(struct transfo *t) ;
void traXvec(struct transfo *t,float v[3],float r[3]) ;
void matXmat(float a[3][3],float b[3][3],float c[3][3]) ;
void matXvec(float a[3][3],float b[3],float c[3]) ;
void trapXtrap(struct transfo *tg,struct transfo *td,struct transfo *tr) ;


#endif

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