56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/*
|
|
Copyright (C) 2002-2007 Victor Luchits
|
|
|
|
This program 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.
|
|
|
|
This program 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
#ifndef __R_MATH_H__
|
|
#define __R_MATH_H__
|
|
|
|
// r_math.h
|
|
float CalcFov( float fov_x, float width, float height );
|
|
void AdjustFov( float *fov_x, float *fov_y, float width, float height, bool lock_x );
|
|
int BoxOnPlaneSide( const vec3_t emins, const vec3_t emaxs, const cplane_t *p );
|
|
void RotatePointAroundVector( vec3_t dst, const vec3_t dir, const vec3_t point, float degrees );
|
|
void PlaneFromPoints( vec3_t verts[3], cplane_t *plane );
|
|
void CategorizePlane( cplane_t *plane );
|
|
|
|
/*
|
|
===============
|
|
ColorNormalize
|
|
===============
|
|
*/
|
|
_inline float ColorNormalize( const float *in, vec3_t out )
|
|
{
|
|
float f = max( max( in[0], in[1] ), in[2] );
|
|
|
|
if( f > 1.0f )
|
|
{
|
|
f = 1.0f / f;
|
|
out[0] = in[0] * f;
|
|
out[1] = in[1] * f;
|
|
out[2] = in[2] * f;
|
|
}
|
|
else
|
|
{
|
|
out[0] = in[0];
|
|
out[1] = in[1];
|
|
out[2] = in[2];
|
|
}
|
|
return f;
|
|
}
|
|
|
|
#endif /*__R_MATH_H__*/
|