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Diffstat (limited to 'code/splines/math_matrix.cpp')
-rw-r--r-- | code/splines/math_matrix.cpp | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/code/splines/math_matrix.cpp b/code/splines/math_matrix.cpp deleted file mode 100644 index 5f8181a..0000000 --- a/code/splines/math_matrix.cpp +++ /dev/null @@ -1,134 +0,0 @@ -/* -=========================================================================== -Copyright (C) 1999-2005 Id Software, Inc. - -This file is part of Quake III Arena source code. - -Quake III Arena source code 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. - -Quake III Arena source code 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 Foobar; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ -#include "q_shared.h" - -mat3_t mat3_default( idVec3_t( 1, 0, 0 ), idVec3_t( 0, 1, 0 ), idVec3_t( 0, 0, 1 ) ); - -void toMatrix( quat_t const &src, mat3_t &dst ) { - float wx, wy, wz; - float xx, yy, yz; - float xy, xz, zz; - float x2, y2, z2; - - x2 = src.x + src.x; - y2 = src.y + src.y; - z2 = src.z + src.z; - - xx = src.x * x2; - xy = src.x * y2; - xz = src.x * z2; - - yy = src.y * y2; - yz = src.y * z2; - zz = src.z * z2; - - wx = src.w * x2; - wy = src.w * y2; - wz = src.w * z2; - - dst[ 0 ][ 0 ] = 1.0f - ( yy + zz ); - dst[ 0 ][ 1 ] = xy - wz; - dst[ 0 ][ 2 ] = xz + wy; - - dst[ 1 ][ 0 ] = xy + wz; - dst[ 1 ][ 1 ] = 1.0f - ( xx + zz ); - dst[ 1 ][ 2 ] = yz - wx; - - dst[ 2 ][ 0 ] = xz - wy; - dst[ 2 ][ 1 ] = yz + wx; - dst[ 2 ][ 2 ] = 1.0f - ( xx + yy ); -} - -void toMatrix( angles_t const &src, mat3_t &dst ) { - float angle; - static float sr, sp, sy, cr, cp, cy; // static to help MS compiler fp bugs - - angle = src.yaw * ( M_PI * 2.0f / 360.0f ); - sy = sin( angle ); - cy = cos( angle ); - - angle = src.pitch * ( M_PI * 2.0f / 360.0f ); - sp = sin( angle ); - cp = cos( angle ); - - angle = src.roll * ( M_PI * 2.0f / 360.0f ); - sr = sin( angle ); - cr = cos( angle ); - - dst[ 0 ].set( cp * cy, cp * sy, -sp ); - dst[ 1 ].set( sr * sp * cy + cr * -sy, sr * sp * sy + cr * cy, sr * cp ); - dst[ 2 ].set( cr * sp * cy + -sr * -sy, cr * sp * sy + -sr * cy, cr * cp ); -} - -void toMatrix( idVec3_t const &src, mat3_t &dst ) { - angles_t sup = src; - toMatrix(sup, dst); -} - -void mat3_t::ProjectVector( const idVec3_t &src, idVec3_t &dst ) const { - dst.x = src * mat[ 0 ]; - dst.y = src * mat[ 1 ]; - dst.z = src * mat[ 2 ]; -} - -void mat3_t::UnprojectVector( const idVec3_t &src, idVec3_t &dst ) const { - dst = mat[ 0 ] * src.x + mat[ 1 ] * src.y + mat[ 2 ] * src.z; -} - -void mat3_t::Transpose( mat3_t &matrix ) { - int i; - int j; - - for( i = 0; i < 3; i++ ) { - for( j = 0; j < 3; j++ ) { - matrix[ i ][ j ] = mat[ j ][ i ]; - } - } -} - -void mat3_t::Transpose( void ) { - float temp; - int i; - int j; - - for( i = 0; i < 3; i++ ) { - for( j = i + 1; j < 3; j++ ) { - temp = mat[ i ][ j ]; - mat[ i ][ j ] = mat[ j ][ i ]; - mat[ j ][ i ] = temp; - } - } -} - -mat3_t mat3_t::Inverse( void ) const { - mat3_t inv( *this ); - - inv.Transpose(); - - return inv; -} - -void mat3_t::Clear( void ) { - mat[0].set( 1, 0, 0 ); - mat[1].set( 0, 1, 0 ); - mat[2].set( 0, 0, 1 ); -} |