Current File : //usr/include/graphene-1.0/graphene-quaternion.h |
/* graphene-quaternion.h: Quaternion
*
* SPDX-License-Identifier: MIT
*
* Copyright 2014 Emmanuele Bassi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#pragma once
#if !defined(GRAPHENE_H_INSIDE) && !defined(GRAPHENE_COMPILATION)
#error "Only graphene.h can be included directly."
#endif
#include "graphene-types.h"
#include "graphene-vec4.h"
GRAPHENE_BEGIN_DECLS
/**
* graphene_quaternion_t:
*
* A quaternion.
*
* The contents of the #graphene_quaternion_t structure are private
* and should never be accessed directly.
*
* Since: 1.0
*/
struct _graphene_quaternion_t
{
/*< private >*/
GRAPHENE_PRIVATE_FIELD (float, x);
GRAPHENE_PRIVATE_FIELD (float, y);
GRAPHENE_PRIVATE_FIELD (float, z);
GRAPHENE_PRIVATE_FIELD (float, w);
};
GRAPHENE_AVAILABLE_IN_1_0
graphene_quaternion_t * graphene_quaternion_alloc (void);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_quaternion_free (graphene_quaternion_t *q);
GRAPHENE_AVAILABLE_IN_1_0
graphene_quaternion_t * graphene_quaternion_init (graphene_quaternion_t *q,
float x,
float y,
float z,
float w);
GRAPHENE_AVAILABLE_IN_1_0
graphene_quaternion_t * graphene_quaternion_init_identity (graphene_quaternion_t *q);
GRAPHENE_AVAILABLE_IN_1_0
graphene_quaternion_t * graphene_quaternion_init_from_quaternion (graphene_quaternion_t *q,
const graphene_quaternion_t *src);
GRAPHENE_AVAILABLE_IN_1_0
graphene_quaternion_t * graphene_quaternion_init_from_vec4 (graphene_quaternion_t *q,
const graphene_vec4_t *src);
GRAPHENE_AVAILABLE_IN_1_0
graphene_quaternion_t * graphene_quaternion_init_from_matrix (graphene_quaternion_t *q,
const graphene_matrix_t *m);
GRAPHENE_AVAILABLE_IN_1_0
graphene_quaternion_t * graphene_quaternion_init_from_angles (graphene_quaternion_t *q,
float deg_x,
float deg_y,
float deg_z);
GRAPHENE_AVAILABLE_IN_1_4
graphene_quaternion_t * graphene_quaternion_init_from_radians (graphene_quaternion_t *q,
float rad_x,
float rad_y,
float rad_z);
GRAPHENE_AVAILABLE_IN_1_0
graphene_quaternion_t * graphene_quaternion_init_from_angle_vec3 (graphene_quaternion_t *q,
float angle,
const graphene_vec3_t *axis);
GRAPHENE_AVAILABLE_IN_1_2
graphene_quaternion_t * graphene_quaternion_init_from_euler (graphene_quaternion_t *q,
const graphene_euler_t *e);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_quaternion_to_vec4 (const graphene_quaternion_t *q,
graphene_vec4_t *res);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_quaternion_to_matrix (const graphene_quaternion_t *q,
graphene_matrix_t *m);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_quaternion_to_angles (const graphene_quaternion_t *q,
float *deg_x,
float *deg_y,
float *deg_z);
GRAPHENE_AVAILABLE_IN_1_4
void graphene_quaternion_to_radians (const graphene_quaternion_t *q,
float *rad_x,
float *rad_y,
float *rad_z);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_quaternion_to_angle_vec3 (const graphene_quaternion_t *q,
float *angle,
graphene_vec3_t *axis);
GRAPHENE_AVAILABLE_IN_1_0
bool graphene_quaternion_equal (const graphene_quaternion_t *a,
const graphene_quaternion_t *b);
GRAPHENE_AVAILABLE_IN_1_0
float graphene_quaternion_dot (const graphene_quaternion_t *a,
const graphene_quaternion_t *b);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_quaternion_invert (const graphene_quaternion_t *q,
graphene_quaternion_t *res);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_quaternion_normalize (const graphene_quaternion_t *q,
graphene_quaternion_t *res);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_quaternion_slerp (const graphene_quaternion_t *a,
const graphene_quaternion_t *b,
float factor,
graphene_quaternion_t *res);
GRAPHENE_AVAILABLE_IN_1_10
void graphene_quaternion_multiply (const graphene_quaternion_t *a,
const graphene_quaternion_t *b,
graphene_quaternion_t *res);
GRAPHENE_AVAILABLE_IN_1_10
void graphene_quaternion_scale (const graphene_quaternion_t *q,
float factor,
graphene_quaternion_t *res);
GRAPHENE_AVAILABLE_IN_1_10
void graphene_quaternion_add (const graphene_quaternion_t *a,
const graphene_quaternion_t *b,
graphene_quaternion_t *res);
GRAPHENE_END_DECLS