mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-11-29 07:02:26 +00:00
75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/*
|
|
Copyright (C) 1999-2007 id Software, Inc. and contributors.
|
|
For a list of contributors, see the accompanying CONTRIBUTORS file.
|
|
|
|
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 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
|
|
*/
|
|
#ifndef __MATHLIB__
|
|
#define __MATHLIB__
|
|
|
|
// mathlib.h
|
|
|
|
#include <math.h>
|
|
|
|
#ifdef DOUBLEVEC_T
|
|
typedef double vec_t;
|
|
#else
|
|
typedef float vec_t;
|
|
#endif
|
|
typedef vec_t vec3_t[3];
|
|
|
|
#define SIDE_FRONT 0
|
|
#define SIDE_ON 2
|
|
#define SIDE_BACK 1
|
|
#define SIDE_CROSS -2
|
|
|
|
#define Q_PI 3.14159265358979323846
|
|
|
|
extern vec3_t vec3_origin;
|
|
|
|
#define EQUAL_EPSILON 0.001
|
|
|
|
qboolean VectorCompare( vec3_t v1, vec3_t v2 );
|
|
|
|
#define DotProduct( x,y ) ( x[0] * y[0] + x[1] * y[1] + x[2] * y[2] )
|
|
#define VectorSubtract( a,b,c ) {c[0] = a[0] - b[0]; c[1] = a[1] - b[1]; c[2] = a[2] - b[2]; }
|
|
#define VectorAdd( a,b,c ) {c[0] = a[0] + b[0]; c[1] = a[1] + b[1]; c[2] = a[2] + b[2]; }
|
|
#define VectorCopy( a,b ) {b[0] = a[0]; b[1] = a[1]; b[2] = a[2]; }
|
|
#define VectorScale( a,b,c ) {c[0] = b * a[0]; c[1] = b * a[1]; c[2] = b * a[2]; }
|
|
#define VectorClear( x ) {x[0] = x[1] = x[2] = 0; }
|
|
#define VectorNegate( x ) {x[0] = -x[0]; x[1] = -x[1]; x[2] = -x[2]; }
|
|
|
|
vec_t Q_rint( vec_t in );
|
|
vec_t _DotProduct( vec3_t v1, vec3_t v2 );
|
|
void _VectorSubtract( vec3_t va, vec3_t vb, vec3_t out );
|
|
void _VectorAdd( vec3_t va, vec3_t vb, vec3_t out );
|
|
void _VectorCopy( vec3_t in, vec3_t out );
|
|
void _VectorScale( vec3_t v, vec_t scale, vec3_t out );
|
|
|
|
double VectorLength( vec3_t v );
|
|
|
|
void VectorMA( vec3_t va, double scale, vec3_t vb, vec3_t vc );
|
|
|
|
void CrossProduct( vec3_t v1, vec3_t v2, vec3_t cross );
|
|
vec_t VectorNormalize( vec3_t in, vec3_t out );
|
|
vec_t ColorNormalize( vec3_t in, vec3_t out );
|
|
void VectorInverse( vec3_t v );
|
|
|
|
void ClearBounds( vec3_t mins, vec3_t maxs );
|
|
void AddPointToBounds( vec3_t v, vec3_t mins, vec3_t maxs );
|
|
|
|
#endif
|