/usr/include/obs/graphics/matrix3.h is in libobs-dev 21.0.2+dfsg1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | /******************************************************************************
Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
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, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#pragma once
#include "vec3.h"
#include "axisang.h"
/* 3x4 Matrix */
#ifdef __cplusplus
extern "C" {
#endif
struct matrix4;
struct matrix3 {
struct vec3 x;
struct vec3 y;
struct vec3 z;
struct vec3 t;
};
static inline void matrix3_copy(struct matrix3 *dst, const struct matrix3 *m)
{
vec3_copy(&dst->x, &m->x);
vec3_copy(&dst->y, &m->y);
vec3_copy(&dst->z, &m->z);
vec3_copy(&dst->t, &m->t);
}
static inline void matrix3_identity(struct matrix3 *dst)
{
vec3_zero(&dst->x);
vec3_zero(&dst->y);
vec3_zero(&dst->z);
vec3_zero(&dst->t);
dst->x.x = dst->y.y = dst->z.z = 1.0f;
}
EXPORT void matrix3_from_quat(struct matrix3 *dst, const struct quat *q);
EXPORT void matrix3_from_axisang(struct matrix3 *dst,
const struct axisang *aa);
EXPORT void matrix3_from_matrix4(struct matrix3 *dst, const struct matrix4 *m);
EXPORT void matrix3_mul(struct matrix3 *dst, const struct matrix3 *m1,
const struct matrix3 *m2);
static inline void matrix3_translate(struct matrix3 *dst,
const struct matrix3 *m, const struct vec3 *v)
{
vec3_sub(&dst->t, &m->t, v);
}
EXPORT void matrix3_rotate(struct matrix3 *dst, const struct matrix3 *m,
const struct quat *q);
EXPORT void matrix3_rotate_aa(struct matrix3 *dst, const struct matrix3 *m,
const struct axisang *aa);
EXPORT void matrix3_scale(struct matrix3 *dst, const struct matrix3 *m,
const struct vec3 *v);
EXPORT void matrix3_transpose(struct matrix3 *dst, const struct matrix3 *m);
EXPORT void matrix3_inv(struct matrix3 *dst, const struct matrix3 *m);
EXPORT void matrix3_mirror(struct matrix3 *dst, const struct matrix3 *m,
const struct plane *p);
EXPORT void matrix3_mirrorv(struct matrix3 *dst, const struct matrix3 *m,
const struct vec3 *v);
static inline void matrix3_translate3f(struct matrix3 *dst,
const struct matrix3 *m, float x, float y, float z)
{
struct vec3 v;
vec3_set(&v, x, y, z);
matrix3_translate(dst, m, &v);
}
static inline void matrix3_rotate_aa4f(struct matrix3 *dst,
const struct matrix3 *m, float x, float y, float z, float rot)
{
struct axisang aa;
axisang_set(&aa, x, y, z, rot);
matrix3_rotate_aa(dst, m, &aa);
}
static inline void matrix3_scale3f(struct matrix3 *dst,
const struct matrix3 *m, float x, float y, float z)
{
struct vec3 v;
vec3_set(&v, x, y, z);
matrix3_scale(dst, m, &v);
}
#ifdef __cplusplus
}
#endif
|