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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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Copyright (C) 2005 Michael Liebscher <johnnycanuck@users.sourceforge.net>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* matrix.h: Matrix math routines.
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*
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* Author: Michael Liebscher <johnnycanuck@users.sourceforge.net>
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*
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*/
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#ifndef __MATRIX_H__
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#define __MATRIX_H__
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#include "vector.h"
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typedef float mat3_t[ 9 ]; // 3x3 matrix
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typedef float mat4_t[ 16 ]; // 4x4 matrix
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extern void Matrix3x3Multiply( mat3_t in1, mat3_t in2, mat3_t out ) ;
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extern void MatrixIdentity( mat4_t matrix );
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extern void MatrixInvert( mat4_t in, mat4_t out );
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extern void VectorMatrixMultiply( vec3_t vecIn, mat4_t m, vec3_t vecOut );
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extern void VectorMatrix3x3Multiply( vec3_t vecIn, mat4_t m, vec3_t vecOut );
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#endif /* __MATRIX_H__ */
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