| Current File : //usr/include/graphene-1.0/graphene-triangle.h |
/* graphene-triangle.h: A triangle
*
* 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-vec3.h"
GRAPHENE_BEGIN_DECLS
/**
* graphene_triangle_t:
*
* A triangle.
*
* Since: 1.2
*/
struct _graphene_triangle_t
{
/*< private >*/
GRAPHENE_PRIVATE_FIELD (graphene_vec3_t, a);
GRAPHENE_PRIVATE_FIELD (graphene_vec3_t, b);
GRAPHENE_PRIVATE_FIELD (graphene_vec3_t, c);
};
GRAPHENE_AVAILABLE_IN_1_2
graphene_triangle_t * graphene_triangle_alloc (void);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_triangle_free (graphene_triangle_t *t);
GRAPHENE_AVAILABLE_IN_1_2
graphene_triangle_t * graphene_triangle_init_from_point3d (graphene_triangle_t *t,
const graphene_point3d_t *a,
const graphene_point3d_t *b,
const graphene_point3d_t *c);
GRAPHENE_AVAILABLE_IN_1_2
graphene_triangle_t * graphene_triangle_init_from_vec3 (graphene_triangle_t *t,
const graphene_vec3_t *a,
const graphene_vec3_t *b,
const graphene_vec3_t *c);
GRAPHENE_AVAILABLE_IN_1_10
graphene_triangle_t * graphene_triangle_init_from_float (graphene_triangle_t *t,
const float *a,
const float *b,
const float *c);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_triangle_get_points (const graphene_triangle_t *t,
graphene_point3d_t *a,
graphene_point3d_t *b,
graphene_point3d_t *c);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_triangle_get_vertices (const graphene_triangle_t *t,
graphene_vec3_t *a,
graphene_vec3_t *b,
graphene_vec3_t *c);
GRAPHENE_AVAILABLE_IN_1_2
float graphene_triangle_get_area (const graphene_triangle_t *t);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_triangle_get_midpoint (const graphene_triangle_t *t,
graphene_point3d_t *res);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_triangle_get_normal (const graphene_triangle_t *t,
graphene_vec3_t *res);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_triangle_get_plane (const graphene_triangle_t *t,
graphene_plane_t *res);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_triangle_get_bounding_box (const graphene_triangle_t *t,
graphene_box_t *res);
GRAPHENE_AVAILABLE_IN_1_2
bool graphene_triangle_get_barycoords (const graphene_triangle_t *t,
const graphene_point3d_t *p,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_10
bool graphene_triangle_get_uv (const graphene_triangle_t *t,
const graphene_point3d_t *p,
const graphene_vec2_t *uv_a,
const graphene_vec2_t *uv_b,
const graphene_vec2_t *uv_c,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_2
bool graphene_triangle_contains_point (const graphene_triangle_t *t,
const graphene_point3d_t *p);
GRAPHENE_AVAILABLE_IN_1_2
bool graphene_triangle_equal (const graphene_triangle_t *a,
const graphene_triangle_t *b);
GRAPHENE_END_DECLS