jp9000
/
obs-studio
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
obs-studio/libobs/graphics/vec2.h

164 lines
3.9 KiB
C
Raw Normal View History

first commit
2013-09-30 19:37:13 -07:00
/******************************************************************************
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
With the permission of my fellow contributors, I'm switching obs-studio back to GPL v2+ to prevent issues between this project and the original OBS project, and for personal reasons to avoid legal ambiguity (not political reasons, I admittedly would prefer GPL v3+)
2013-12-02 21:24:38 -08:00
the Free Software Foundation, either version 2 of the License, or
first commit
2013-09-30 19:37:13 -07:00
(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/>.
******************************************************************************/
modernize header guards to #pragma once
2013-10-14 04:21:15 -07:00
#pragma once
first commit
2013-09-30 19:37:13 -07:00
#include "../util/c99defs.h"
#include <math.h>
#ifdef __cplusplus
extern "C" {
#endif
struct vec2 {
union {
struct {
float x, y;
};
float ptr[2];
};
};
static inline void vec2_zero(struct vec2 *dst)
{
dst->x = 0.0f;
dst->y = 0.0f;
}
static inline void vec2_set(struct vec2 *dst, float x, float y)
{
dst->x = x;
dst->y = y;
}
static inline void vec2_copy(struct vec2 *dst, const struct vec2 *v)
{
dst->x = v->x;
dst->y = v->y;
}
static inline void vec2_add(struct vec2 *dst, const struct vec2 *v1,
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
const struct vec2 *v2)
first commit
2013-09-30 19:37:13 -07:00
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
vec2_set(dst, v1->x + v2->x, v1->y + v2->y);
first commit
2013-09-30 19:37:13 -07:00
}
static inline void vec2_sub(struct vec2 *dst, const struct vec2 *v1,
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
const struct vec2 *v2)
first commit
2013-09-30 19:37:13 -07:00
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
vec2_set(dst, v1->x - v2->x, v1->y - v2->y);
first commit
2013-09-30 19:37:13 -07:00
}
static inline void vec2_mul(struct vec2 *dst, const struct vec2 *v1,
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
const struct vec2 *v2)
first commit
2013-09-30 19:37:13 -07:00
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
vec2_set(dst, v1->x * v2->x, v1->y * v2->y);
first commit
2013-09-30 19:37:13 -07:00
}
static inline void vec2_div(struct vec2 *dst, const struct vec2 *v1,
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
const struct vec2 *v2)
first commit
2013-09-30 19:37:13 -07:00
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
vec2_set(dst, v1->x / v2->x, v1->y / v2->y);
first commit
2013-09-30 19:37:13 -07:00
}
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
static inline void vec2_addf(struct vec2 *dst, const struct vec2 *v, float f)
first commit
2013-09-30 19:37:13 -07:00
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
vec2_set(dst, v->x + f, v->y + f);
first commit
2013-09-30 19:37:13 -07:00
}
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
static inline void vec2_subf(struct vec2 *dst, const struct vec2 *v, float f)
first commit
2013-09-30 19:37:13 -07:00
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
vec2_set(dst, v->x - f, v->y - f);
first commit
2013-09-30 19:37:13 -07:00
}
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
static inline void vec2_mulf(struct vec2 *dst, const struct vec2 *v, float f)
first commit
2013-09-30 19:37:13 -07:00
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
vec2_set(dst, v->x * f, v->y * f);
first commit
2013-09-30 19:37:13 -07:00
}
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
static inline void vec2_divf(struct vec2 *dst, const struct vec2 *v, float f)
first commit
2013-09-30 19:37:13 -07:00
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
vec2_set(dst, v->x / f, v->y / f);
first commit
2013-09-30 19:37:13 -07:00
}
static inline void vec2_neg(struct vec2 *dst, const struct vec2 *v)
{
vec2_set(dst, -v->x, -v->y);
}
static inline float vec2_dot(const struct vec2 *v1, const struct vec2 *v2)
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
return v1->x * v2->x + v1->y * v2->y;
first commit
2013-09-30 19:37:13 -07:00
}
static inline float vec2_len(const struct vec2 *v)
{
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
return sqrtf(v->x * v->x + v->y * v->y);
first commit
2013-09-30 19:37:13 -07:00
}
static inline float vec2_dist(const struct vec2 *v1, const struct vec2 *v2)
{
struct vec2 temp;
vec2_sub(&temp, v1, v2);
return vec2_len(&temp);
}
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
static inline void vec2_minf(struct vec2 *dst, const struct vec2 *v, float val)
first commit
2013-09-30 19:37:13 -07:00
{
if (v->x < val)
dst->x = val;
if (v->y < val)
dst->y = val;
}
static inline void vec2_min(struct vec2 *dst, const struct vec2 *v,
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
const struct vec2 *min_v)
first commit
2013-09-30 19:37:13 -07:00
{
if (v->x < min_v->x)
dst->x = min_v->x;
if (v->y < min_v->y)
dst->y = min_v->y;
}
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
static inline void vec2_maxf(struct vec2 *dst, const struct vec2 *v, float val)
first commit
2013-09-30 19:37:13 -07:00
{
if (v->x > val)
dst->x = val;
if (v->y > val)
dst->y = val;
}
static inline void vec2_max(struct vec2 *dst, const struct vec2 *v,
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
const struct vec2 *max_v)
first commit
2013-09-30 19:37:13 -07:00
{
if (v->x > max_v->x)
dst->x = max_v->x;
if (v->y > max_v->y)
dst->y = max_v->y;
}
EXPORT void vec2_abs(struct vec2 *dst, const struct vec2 *v);
EXPORT void vec2_floor(struct vec2 *dst, const struct vec2 *v);
EXPORT void vec2_ceil(struct vec2 *dst, const struct vec2 *v);
EXPORT int vec2_close(const struct vec2 *v1, const struct vec2 *v2,
clang-format: Apply formatting Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
2019-06-22 22:13:45 -07:00
float epsilon);
first commit
2013-09-30 19:37:13 -07:00
EXPORT void vec2_norm(struct vec2 *dst, const struct vec2 *v);
#ifdef __cplusplus
}
#endif