obs-studio/libobs/graphics/axisang.h

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/******************************************************************************
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 3 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
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#include "../util/c99defs.h"
#ifdef __cplusplus
extern "C" {
#endif
struct quat;
struct axisang {
union {
struct {float x, y, z, w;};
float ptr[4];
};
};
static inline void axisang_zero(struct axisang *dst)
{
dst->x = 0.0f;
dst->y = 0.0f;
dst->z = 0.0f;
dst->w = 0.0f;
}
static inline void axisang_copy(struct axisang *dst, struct axisang *aa)
{
dst->x = aa->x;
dst->y = aa->y;
dst->z = aa->z;
dst->w = aa->w;
}
static inline void axisang_set(struct axisang *dst, float x, float y, float z,
float w)
{
dst->x = x;
dst->y = y;
dst->z = z;
dst->w = w;
}
EXPORT void axisang_from_quat(struct axisang *dst, const struct quat *q);
#ifdef __cplusplus
}
#endif