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Diffstat (limited to 'code/splines/math_quaternion.h')
-rw-r--r-- | code/splines/math_quaternion.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/code/splines/math_quaternion.h b/code/splines/math_quaternion.h deleted file mode 100644 index 7ff7e81..0000000 --- a/code/splines/math_quaternion.h +++ /dev/null @@ -1,190 +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 Quake III Arena source code; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ -#ifndef __MATH_QUATERNION_H__ -#define __MATH_QUATERNION_H__ - -#include <assert.h> -#include <math.h> - -class idVec3_t; -class angles_t; -class mat3_t; - -class quat_t { -public: - float x; - float y; - float z; - float w; - - quat_t(); - quat_t( float x, float y, float z, float w ); - - friend void toQuat( idVec3_t &src, quat_t &dst ); - friend void toQuat( angles_t &src, quat_t &dst ); - friend void toQuat( mat3_t &src, quat_t &dst ); - - float *vec4( void ); - - float operator[]( int index ) const; - float &operator[]( int index ); - - void set( float x, float y, float z, float w ); - - void operator=( quat_t a ); - - friend quat_t operator+( quat_t a, quat_t b ); - quat_t &operator+=( quat_t a ); - - friend quat_t operator-( quat_t a, quat_t b ); - quat_t &operator-=( quat_t a ); - - friend quat_t operator*( quat_t a, float b ); - friend quat_t operator*( float a, quat_t b ); - quat_t &operator*=( float a ); - - friend int operator==( quat_t a, quat_t b ); - friend int operator!=( quat_t a, quat_t b ); - - float Length( void ); - quat_t &Normalize( void ); - - quat_t operator-(); -}; - -inline quat_t::quat_t() { -} - -inline quat_t::quat_t( float x, float y, float z, float w ) { - this->x = x; - this->y = y; - this->z = z; - this->w = w; -} - -inline float *quat_t::vec4( void ) { - return &x; -} - -inline float quat_t::operator[]( int index ) const { - assert( ( index >= 0 ) && ( index < 4 ) ); - return ( &x )[ index ]; -} - -inline float& quat_t::operator[]( int index ) { - assert( ( index >= 0 ) && ( index < 4 ) ); - return ( &x )[ index ]; -} - -inline void quat_t::set( float x, float y, float z, float w ) { - this->x = x; - this->y = y; - this->z = z; - this->w = w; -} - -inline void quat_t::operator=( quat_t a ) { - x = a.x; - y = a.y; - z = a.z; - w = a.w; -} - -inline quat_t operator+( quat_t a, quat_t b ) { - return quat_t( a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w ); -} - -inline quat_t& quat_t::operator+=( quat_t a ) { - x += a.x; - y += a.y; - z += a.z; - w += a.w; - - return *this; -} - -inline quat_t operator-( quat_t a, quat_t b ) { - return quat_t( a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w ); -} - -inline quat_t& quat_t::operator-=( quat_t a ) { - x -= a.x; - y -= a.y; - z -= a.z; - w -= a.w; - - return *this; -} - -inline quat_t operator*( quat_t a, float b ) { - return quat_t( a.x * b, a.y * b, a.z * b, a.w * b ); -} - -inline quat_t operator*( float a, quat_t b ) { - return b * a; -} - -inline quat_t& quat_t::operator*=( float a ) { - x *= a; - y *= a; - z *= a; - w *= a; - - return *this; -} - -inline int operator==( quat_t a, quat_t b ) { - return ( ( a.x == b.x ) && ( a.y == b.y ) && ( a.z == b.z ) && ( a.w == b.w ) ); -} - -inline int operator!=( quat_t a, quat_t b ) { - return ( ( a.x != b.x ) || ( a.y != b.y ) || ( a.z != b.z ) && ( a.w != b.w ) ); -} - -inline float quat_t::Length( void ) { - float length; - - length = x * x + y * y + z * z + w * w; - return ( float )sqrt( length ); -} - -inline quat_t& quat_t::Normalize( void ) { - float length; - float ilength; - - length = this->Length(); - if ( length ) { - ilength = 1 / length; - x *= ilength; - y *= ilength; - z *= ilength; - w *= ilength; - } - - return *this; -} - -inline quat_t quat_t::operator-() { - return quat_t( -x, -y, -z, -w ); -} - -#endif /* !__MATH_QUATERNION_H__ */ |