1 | /* graphene-box.h: An axis aligned bounding box |
2 | * |
3 | * SPDX-License-Identifier: MIT |
4 | * |
5 | * Copyright 2014 Emmanuele Bassi |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
8 | * of this software and associated documentation files (the "Software"), to deal |
9 | * in the Software without restriction, including without limitation the rights |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
11 | * copies of the Software, and to permit persons to whom the Software is |
12 | * furnished to do so, subject to the following conditions: |
13 | * |
14 | * The above copyright notice and this permission notice shall be included in |
15 | * all copies or substantial portions of the Software. |
16 | * |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
23 | * THE SOFTWARE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #if !defined(GRAPHENE_H_INSIDE) && !defined(GRAPHENE_COMPILATION) |
29 | #error "Only graphene.h can be included directly." |
30 | #endif |
31 | |
32 | #include "graphene-types.h" |
33 | #include "graphene-vec3.h" |
34 | |
35 | GRAPHENE_BEGIN_DECLS |
36 | |
37 | /** |
38 | * graphene_box_t: |
39 | * |
40 | * A 3D box, described as the volume between a minimum and |
41 | * a maximum vertices. |
42 | * |
43 | * Since: 1.2 |
44 | */ |
45 | struct _graphene_box_t |
46 | { |
47 | /*< private >*/ |
48 | GRAPHENE_PRIVATE_FIELD (graphene_vec3_t, min); |
49 | GRAPHENE_PRIVATE_FIELD (graphene_vec3_t, max); |
50 | }; |
51 | |
52 | GRAPHENE_AVAILABLE_IN_1_2 |
53 | graphene_box_t * graphene_box_alloc (void); |
54 | GRAPHENE_AVAILABLE_IN_1_2 |
55 | void graphene_box_free (graphene_box_t *box); |
56 | |
57 | GRAPHENE_AVAILABLE_IN_1_2 |
58 | graphene_box_t * graphene_box_init (graphene_box_t *box, |
59 | const graphene_point3d_t *min, |
60 | const graphene_point3d_t *max); |
61 | GRAPHENE_AVAILABLE_IN_1_2 |
62 | graphene_box_t * graphene_box_init_from_points (graphene_box_t *box, |
63 | unsigned int n_points, |
64 | const graphene_point3d_t *points); |
65 | GRAPHENE_AVAILABLE_IN_1_2 |
66 | graphene_box_t * graphene_box_init_from_vectors (graphene_box_t *box, |
67 | unsigned int n_vectors, |
68 | const graphene_vec3_t *vectors); |
69 | GRAPHENE_AVAILABLE_IN_1_2 |
70 | graphene_box_t * graphene_box_init_from_box (graphene_box_t *box, |
71 | const graphene_box_t *src); |
72 | GRAPHENE_AVAILABLE_IN_1_2 |
73 | graphene_box_t * graphene_box_init_from_vec3 (graphene_box_t *box, |
74 | const graphene_vec3_t *min, |
75 | const graphene_vec3_t *max); |
76 | |
77 | GRAPHENE_AVAILABLE_IN_1_2 |
78 | void graphene_box_expand (const graphene_box_t *box, |
79 | const graphene_point3d_t *point, |
80 | graphene_box_t *res); |
81 | GRAPHENE_AVAILABLE_IN_1_2 |
82 | void graphene_box_expand_vec3 (const graphene_box_t *box, |
83 | const graphene_vec3_t *vec, |
84 | graphene_box_t *res); |
85 | GRAPHENE_AVAILABLE_IN_1_2 |
86 | void graphene_box_expand_scalar (const graphene_box_t *box, |
87 | float scalar, |
88 | graphene_box_t *res); |
89 | GRAPHENE_AVAILABLE_IN_1_2 |
90 | void graphene_box_union (const graphene_box_t *a, |
91 | const graphene_box_t *b, |
92 | graphene_box_t *res); |
93 | GRAPHENE_AVAILABLE_IN_1_2 |
94 | bool graphene_box_intersection (const graphene_box_t *a, |
95 | const graphene_box_t *b, |
96 | graphene_box_t *res); |
97 | |
98 | GRAPHENE_AVAILABLE_IN_1_2 |
99 | float graphene_box_get_width (const graphene_box_t *box); |
100 | GRAPHENE_AVAILABLE_IN_1_2 |
101 | float graphene_box_get_height (const graphene_box_t *box); |
102 | GRAPHENE_AVAILABLE_IN_1_2 |
103 | float graphene_box_get_depth (const graphene_box_t *box); |
104 | GRAPHENE_AVAILABLE_IN_1_2 |
105 | void graphene_box_get_size (const graphene_box_t *box, |
106 | graphene_vec3_t *size); |
107 | GRAPHENE_AVAILABLE_IN_1_2 |
108 | void graphene_box_get_center (const graphene_box_t *box, |
109 | graphene_point3d_t *center); |
110 | GRAPHENE_AVAILABLE_IN_1_2 |
111 | void graphene_box_get_min (const graphene_box_t *box, |
112 | graphene_point3d_t *min); |
113 | GRAPHENE_AVAILABLE_IN_1_2 |
114 | void graphene_box_get_max (const graphene_box_t *box, |
115 | graphene_point3d_t *max); |
116 | GRAPHENE_AVAILABLE_IN_1_2 |
117 | void graphene_box_get_vertices (const graphene_box_t *box, |
118 | graphene_vec3_t vertices[]); |
119 | GRAPHENE_AVAILABLE_IN_1_2 |
120 | void graphene_box_get_bounding_sphere (const graphene_box_t *box, |
121 | graphene_sphere_t *sphere); |
122 | |
123 | GRAPHENE_AVAILABLE_IN_1_2 |
124 | bool graphene_box_contains_point (const graphene_box_t *box, |
125 | const graphene_point3d_t *point); |
126 | GRAPHENE_AVAILABLE_IN_1_2 |
127 | bool graphene_box_contains_box (const graphene_box_t *a, |
128 | const graphene_box_t *b); |
129 | |
130 | GRAPHENE_AVAILABLE_IN_1_2 |
131 | bool graphene_box_equal (const graphene_box_t *a, |
132 | const graphene_box_t *b); |
133 | |
134 | GRAPHENE_AVAILABLE_IN_1_2 |
135 | const graphene_box_t * graphene_box_zero (void); |
136 | GRAPHENE_AVAILABLE_IN_1_2 |
137 | const graphene_box_t * graphene_box_one (void); |
138 | GRAPHENE_AVAILABLE_IN_1_2 |
139 | const graphene_box_t * graphene_box_minus_one (void); |
140 | GRAPHENE_AVAILABLE_IN_1_2 |
141 | const graphene_box_t * graphene_box_one_minus_one (void); |
142 | GRAPHENE_AVAILABLE_IN_1_2 |
143 | const graphene_box_t * graphene_box_infinite (void); |
144 | GRAPHENE_AVAILABLE_IN_1_2 |
145 | const graphene_box_t * graphene_box_empty (void); |
146 | |
147 | GRAPHENE_END_DECLS |
148 | |