mirror of
https://github.com/nzp-team/dquakeplus.git
synced 2024-11-27 06:02:17 +00:00
55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
|
/*
|
||
|
|
Copyright (C) 2007 Peter Mackay and Chris Swindle.
|
||
|
|
|
||
|
|
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 QUAKE_MATH_HPP
|
||
|
|
#define QUAKE_MATH_HPP
|
||
|
|
|
||
|
|
#include <math.h>
|
||
|
|
#include <psptypes.h>
|
||
|
|
|
||
|
|
#ifdef PSP_VFPU
|
||
|
|
#include <pspmath.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace quake
|
||
|
|
{
|
||
|
|
namespace math
|
||
|
|
{
|
||
|
|
static inline float dot(const ScePspFVector4& a, const ScePspFVector4& b)
|
||
|
|
{
|
||
|
|
return (a.x * b.x) + (a.y * b.y) + (a.z * b.z);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void normalise(ScePspFVector4* v)
|
||
|
|
{
|
||
|
|
const float scale = 1.0f / sqrtf(dot(*v, *v));
|
||
|
|
|
||
|
|
v->x *= scale;
|
||
|
|
v->y *= scale;
|
||
|
|
v->z *= scale;
|
||
|
|
v->w *= scale;
|
||
|
|
}
|
||
|
|
|
||
|
|
void multiply(const ScePspFMatrix4& a, const ScePspFMatrix4& b, ScePspFMatrix4* out);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|