aabb.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2015 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 */
28
29
30 #pragma once
31
32 #include "vec3.h"
33 #include "cl_math.h"
34
35 namespace clan
36 {
39
40 class AxisAlignedBoundingBox
41 {
42 public:
43 AxisAlignedBoundingBox() : aabb_min(), aabb_max() {}
44 AxisAlignedBoundingBox(const Vec3f &aabb_min, const Vec3f &aabb_max) : aabb_min(aabb_min), aabb_max(aabb_max) { }
45 AxisAlignedBoundingBox(const AxisAlignedBoundingBox &aabb, const Vec3f &barycentric_min, const Vec3f &barycentric_max)
46 : aabb_min(mix(aabb.aabb_min, aabb.aabb_max, barycentric_min)), aabb_max(mix(aabb.aabb_min, aabb.aabb_max, barycentric_max)) { }
47
48 Vec3f center() const { return (aabb_max + aabb_min) * 0.5f; }
49 Vec3f extents() const { return (aabb_max - aabb_min) * 0.5f; }
50
51 Vec3f aabb_min;
52 Vec3f aabb_max;
53 };
54
55 }
56
clan
Definition: clanapp.h:35
clan::AxisAlignedBoundingBox::aabb_min
Vec3f aabb_min
Definition: aabb.h:51
clan::AxisAlignedBoundingBox::AxisAlignedBoundingBox
AxisAlignedBoundingBox(const AxisAlignedBoundingBox &aabb, const Vec3f &barycentric_min, const Vec3f &barycentric_max)
Definition: aabb.h:45
clan::AxisAlignedBoundingBox
Definition: aabb.h:40
clan::AxisAlignedBoundingBox::AxisAlignedBoundingBox
AxisAlignedBoundingBox(const Vec3f &aabb_min, const Vec3f &aabb_max)
Definition: aabb.h:44
clan::AxisAlignedBoundingBox::AxisAlignedBoundingBox
AxisAlignedBoundingBox()
Definition: aabb.h:43
clan::Vec3< float >
clan::AxisAlignedBoundingBox::extents
Vec3f extents() const
Definition: aabb.h:49
clan::AxisAlignedBoundingBox::center
Vec3f center() const
Definition: aabb.h:48
clan::mix
A mix(A a, B b, C mix)
Definition: cl_math.h:104
clan::AxisAlignedBoundingBox::aabb_max
Vec3f aabb_max
Definition: aabb.h:52