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- /*
- Copyright (C) 2005 Michael Liebscher <johnnycanuck@users.sourceforge.net>
- 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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- /*
- * matrix.h: Matrix math routines.
- *
- * Author: Michael Liebscher <johnnycanuck@users.sourceforge.net>
- *
- */
- #ifndef __MATRIX_H__
- #define __MATRIX_H__
- #include "vector.h"
- typedef float mat3_t[ 9 ]; // 3x3 matrix
- typedef float mat4_t[ 16 ]; // 4x4 matrix
- extern void Matrix3x3Multiply( mat3_t in1, mat3_t in2, mat3_t out ) ;
- extern void MatrixIdentity( mat4_t matrix );
- extern void MatrixInvert( mat4_t in, mat4_t out );
- extern void VectorMatrixMultiply( vec3_t vecIn, mat4_t m, vec3_t vecOut );
- extern void VectorMatrix3x3Multiply( vec3_t vecIn, mat4_t m, vec3_t vecOut );
- #endif /* __MATRIX_H__ */
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