/*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
+ Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+ For a list of contributors, see the accompanying CONTRIBUTORS file.
-This file is part of GtkRadiant.
+ This file is part of GtkRadiant.
-GtkRadiant 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.
+ GtkRadiant 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.
-GtkRadiant 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.
+ GtkRadiant 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 GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ You should have received a copy of the GNU General Public License
+ along with GtkRadiant; 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__
class quat_t {
public:
- float x;
- float y;
- float z;
- float w;
+float x;
+float y;
+float z;
+float w;
- quat_t();
- quat_t( 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 );
+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 );
+float *vec4( void );
- void set( float x, float y, float z, float w );
+float operator[]( int index ) const;
+float &operator[]( int index );
- void operator=( quat_t a );
+void set( float x, float y, float z, float w );
- friend quat_t operator+( quat_t a, quat_t b );
- quat_t &operator+=( quat_t a );
+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 quat_t operator-( quat_t a, quat_t b );
+quat_t &operator-=( quat_t a );
- friend int operator==( quat_t a, quat_t b );
- friend int operator!=( quat_t a, quat_t b );
+friend quat_t operator*( quat_t a, float b );
+friend quat_t operator*( float a, quat_t b );
+quat_t &operator*=( float a );
- float Length( void );
- quat_t &Normalize( void );
+friend int operator==( quat_t a, quat_t b );
+friend int operator!=( quat_t a, quat_t b );
- quat_t operator-();
+float Length( void );
+quat_t &Normalize( void );
+
+quat_t operator-();
};
inline quat_t::quat_t() {
inline float quat_t::Length( void ) {
float length;
-
+
length = x * x + y * y + z * z + w * w;
return ( float )sqrt( length );
}
z *= ilength;
w *= ilength;
}
-
+
return *this;
}